CN201236255Y

CN201236255Y - Hand-hold packer

Info

Publication number: CN201236255Y
Application number: CNU2008201218329U
Authority: CN
Inventors: 黄居民
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-21
Filing date: 2008-07-21
Publication date: 2009-05-13
Anticipated expiration: 2018-07-21

Abstract

The utility model relates to a portable bag closer which mainly comprises a motor, a bearded needle mechanism, a needle mechanism and a feed mechanism. The bearded needle mechanism comprises a dish-shaped grooved cam, a crank, a bearded needle shaft and a bearded needle; the dish-shaped grooved cam is mounted on a main shaft in the feed mechanism; the dish-shaped grooved cam and the main shaft are driven by the motor to rotate; a cam groove is formed at one side of the wheel body of the dish-shaped grooved cam; one end of the bearded needle shaft is fixedly connected with the bearded needle, and the other end of bearded needle shaft is fixedly connected with the crank; an included angle of 10 degrees to 30 degrees is formed between the axial lines of the main shaft and the bearded needle shaft; the movable end of the crank is arranged in the cam groove; the rotation of the dish-shaped grooved cam ensures that the movable end of the crank moves along with the track of the cam groove; the cam groove drives the crank to swing around the bearded needle shaft; and the swing of the crank ensures that the bearded needle swings through the bearded needle shaft. The technical proposal can ensure that the portable bag closer has the advantages of accurately positioning the action of linear definition.

Description

Portable closer

Technical field

The utility model relates to a kind of sewing apparatus, relates in particular to portable closer.

Background technology

Portable closer is mainly used in the stitching to the packaging bag of bulk, graininess and powder, locates to be extensive use of in factory, harbour, warehouse etc.Portable closer mainly comprises motor, eedle mechanism, feed mechanism, latch needle mechanism etc., the line action of colluding of portable closer is mainly finished by latch needle mechanism, the latch needle mechanism part of existing portable closer as shown in Figure 1, mainly comprise main shaft 6, crochet hook 5, torsion spring 16, crochet hook running orbit cam 17, axis of traction 18 and crochet hook pendulum post 19, be provided with grooved cylinder cam in the crochet hook running orbit cam 17, crochet hook 5 is installed on the crochet hook pendulum post 19, torsion spring 16 connects crochet hook pendulum post 19, holding crochet hook pendulum post 19 by torsion spring 16 contacts it all the time with crochet hook running orbit cam 17 holding points, main shaft 6 rotates and drives 17 motions of crochet hook running orbit cam, drive crochet hook pendulum post 19 left and right sides reciprocally swingings by crochet hook running orbit cam 17 again, axis of traction 18 fixes with crochet hook pendulum post 19, the end end of axis of traction 18 1 ends is arranged in the grooved cylinder cam and contacts with grooved cylinder cam point all the time, thereby make crochet hook running orbit cam 17 by grooved cylinder cam drive crochet hook pendulum post 19 axially reciprocatings, crochet hook 5 dependence are finished with crochet hook pendulum post about 19 and the formed spatial movement of axially-movable and are colluded the line action, but aforementioned structure often exists that the position easily misplaces when colluding line, especially the defective of easier dislocation during high-speed motion.

Summary of the invention

For overcoming above-mentioned defective, the utility model provides a kind of accurate portable closer in line action location that colludes.

The technical solution of the utility model provides a kind of portable closer, mainly comprise motor, latch needle mechanism, eedle mechanism and feed mechanism, feed mechanism comprises main shaft, latch needle mechanism comprises the dish-type grooved cam, crank, hooked needle shaft and crochet hook, the dish-type grooved cam is installed on the main shaft in the feed mechanism, by driven by motor dish-type grooved cam and main axis rotation, wheel body one side of dish-type grooved cam is provided with cam groove, the fixedly connected crochet hook of one end of hooked needle shaft, the fixedly connected crank of the hooked needle shaft other end, main-shaft axis and hooked needle shaft axis are 10 °～30 ° angles, the movable end of crank is arranged in the cam groove, the rotation of dish-type grooved cam makes the orbiting motion of the movable end of crank with cam groove, and cam groove drives crank and swings around hooked needle shaft, and the swing of crank makes the crochet hook swing by hooked needle shaft.

To collude line action location more accurate in order to allow, can be in technique scheme preferred main-shaft axis and hooked needle shaft axis be 19 °～22 ° angles.

To collude line action location more accurate in order to allow, can be in technique scheme preferred main-shaft axis and hooked needle shaft axis be 20 ° of angles.

The utility model further technical scheme is based on above-mentioned each technical scheme, also comprise eccentric shaft in the feed mechanism, the feeding slide block, the feeding tooth, vertical limit shaft, spacing axle sleeve of level and horizontal fixed are to axle, horizontal fixed is two to axle and is parallel to each other and simultaneously perpendicular to the slip shaft of eedle in the eedle mechanism and the main shaft in the feed mechanism, the feeding slide block is provided with the vertical through hole of slide block, eccentric shaft and spindle eccentricity setting, eccentric shaft is arranged in the feeding slide block installing hole rotationally, the feeding tooth is installed on the feeding slide block, eccentric shaft drives feeding slide block and the motion of feeding tooth, horizontal limit shaft cover is enclosed within horizontal fixed to slidably reciprocating on the axle and along the horizontal direction of horizontal fixed to axle, vertically limit shaft one end be fixedly mounted on that horizontal limit shaft puts and perpendicular to horizontal fixed to plane, axle place, vertically the limit shaft other end penetrates the vertical through hole of described slide block.

The rotation of hooked needle shaft is to cooperate crank to be driven by the cam groove in the dish-type grooved cam in the technique scheme, the rotation precision of hooked needle shaft can be guaranteed by the path accuracy that improves cam groove, hooked needle shaft and main shaft are the tilting of 10 °～30 ° of angles simultaneously, the crochet hook that the energy assurance is fixed on the hooked needle shaft is made specific spatial movement, therefore can bring to make portable closer collude the accurate beneficial effect in line action location.

Above-mentioned further technical scheme, drive the feeding slide block movement by eccentric shaft, the stopping means of axle being formed by vertical limit shaft, the spacing axle sleeve of level and horizontal fixed makes the feeding slide block can only do translational motion up and down again, the feeding slide block contacts with the secondary face of harmonic motion that vertical limit shaft is sliding friction, can reduce the wearing and tearing that feed mechanism partly produces in the portable closer greatly, and feed mechanism is operated steadily, thereby the service life of further improving portable closer.

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Description of drawings

Fig. 1 is the structure chart of the latch needle mechanism part of existing portable closer.

Fig. 2 is the cutaway view of the embodiment of portable closer of the present utility model.

Fig. 3 is the left side structure chart of Fig. 2.

Fig. 4 is the face upwarding assumption diagram of a certain duty of latch needle mechanism part among Fig. 2.

Fig. 5 is the structure chart of the dish-type grooved cam among Fig. 4.

Fig. 6 is the partial sectional view of the feeding slide block among Fig. 2.

Fig. 7 is the left view of Fig. 6.

Each label is respectively among the figure:

1, motor, 2, the dish-type grooved cam, 2a, cam groove, 3, connect spin, 4, hooked needle shaft, 5, crochet hook, 6, main shaft, 7, eccentric shaft, 8, feeding slide block, 8a, the vertical through hole of slide block, 9, the feeding tooth, 10, vertical limit shaft, 11, the spacing axle sleeve of level, 12, horizontal fixed is to axle, 13, crank, 14, eedle, 16, torsion spring, 17, crochet hook running orbit cam, 18, axis of traction, 19, crochet hook pendulum post.

The specific embodiment

As Fig. 2, Fig. 3, shown in Figure 4, the embodiment of portable closer of the present utility model, comprise motor 1, latch needle mechanism, eedle mechanism and feed mechanism, eedle mechanism comprises eedle 14, feed mechanism comprises main shaft 6, latch needle mechanism comprises dish-type grooved cam 2, crank 13, hooked needle shaft 4 and crochet hook 5, dish-type grooved cam 2 is installed on the main shaft 6 in the feed mechanism, drive dish-type grooved cam 2 and main shaft 6 rotations by motor 1, wheel body one side of dish-type grooved cam 2 is provided with cam groove 2a shown in Figure 5, the fixedly connected crochet hook 5 of the left end of hooked needle shaft 4, the fixedly connected crank 13 of hooked needle shaft 4 right-hand members, hooked needle shaft 4 is tilting with main shaft 6, hooked needle shaft 4 axis and main shaft 6 axis are 10 °～30 ° angles, can further preferred 19 °～22 ° angles to collude line action location more accurate so that allow, further preferred hooked needle shaft 4 axis of present embodiment are 20 ° of angles with main shaft 6 axis and collude the line action and locate more accurate so that allow, the movable end of crank 13 is arranged in the cam groove 2a, the movable end of the crank 13 of present embodiment is equipped with and connects spin 3, the connection spin 3 of crank 13 movable ends is installed among the cam groove 2a, when present embodiment starts, the rotation of dish-type grooved cam 2 makes the orbiting motion of the connection spin 3 of crank 13 movable ends with cam groove 2a, cam groove 2a drives crank 13 around hooked needle shaft 4 swings, and the swing of crank 13 makes crochet hook 5 swings by hooked needle shaft 4.Because the rotation of hooked needle shaft 4 is to cooperate crank 13 to be driven by the cam groove 2a in the dish-type grooved cam 2, the rotation precision of hooked needle shaft 4 can be guaranteed by the path accuracy that improves cam groove 2a, hooked needle shaft 4 is the tilting of 10 °～30 ° of angles with main shaft 6 simultaneously, the crochet hook 5 that the energy assurance is fixed on the hooked needle shaft 4 is made specific spatial movement, therefore can bring to make portable closer collude the accurate beneficial effect in line action location.

As Fig. 2, Fig. 3, Fig. 6, shown in Figure 7, the feed mechanism of embodiment of the present utility model also comprises eccentric shaft 7, feeding slide block 8, feeding tooth 9, vertical limit shaft 10, spacing axle sleeve 11 of level and horizontal fixed are to axle 12, horizontal fixed is two to axle 12 and is parallel to each other and simultaneously perpendicular to the slip shaft of the main shaft in eedle in the eedle mechanism 14 and the feed mechanism 6, feeding slide block 8 is provided with the vertical through hole 8a of slide block, eccentric shaft 7 and main shaft 6 eccentric settings, eccentric shaft 7 is formed in one with main shaft 6 in the present embodiment, eccentric shaft 7 is arranged in feeding slide block 8 installing holes rotationally, feeding tooth 9 is installed on the feeding slide block 8, eccentric shaft 7 drives feeding slide block 8 and 9 motions of feeding tooth, the spacing axle sleeve 11 of level is enclosed within horizontal fixed to slidably reciprocating on the axle 12 and along the horizontal direction of horizontal fixed to axle 12, vertically the lower end of limit shaft 10 be fixedly mounted on the spacing axle sleeve 11 of level and perpendicular to horizontal fixed to plane, axle 12 place, vertically limit shaft 10 upper ends penetrate the vertical through hole 8a of described slide block.Aforementioned structure drives 8 motions of feeding slide block by eccentric shaft 7, the stopping means of axle 12 being formed by vertical limit shaft 10, the spacing axle sleeve 11 of level and horizontal fixed makes feeding slide block 8 can only do translational motion up and down again, feeding slide block 8 contacts for the secondary face of the harmonic motion of sliding friction with vertical limit shaft 10, can reduce the wearing and tearing of feed mechanism part in the portable closer greatly, and feed mechanism is operated steadily, thereby the service life of further improving portable closer.

Claims

1, a kind of portable closer, mainly comprise motor (1), latch needle mechanism, eedle mechanism and feed mechanism, it is characterized in that: feed mechanism comprises main shaft (6), latch needle mechanism comprises dish-type grooved cam (2), crank (13), hooked needle shaft (4) and crochet hook (5), dish-type grooved cam (2) is installed on the main shaft (6) in the feed mechanism, drive dish-type grooved cam (2) and main shaft (6) rotation by motor (1), wheel body one side of dish-type grooved cam (2) is provided with cam groove (2a), the fixedly connected crochet hook of one end (5) of hooked needle shaft (4), the fixedly connected crank of hooked needle shaft (4) other end (13), main shaft (6) axis and hooked needle shaft (4) axis are 10 °～30 ° angles, the movable end of crank (13) is arranged in the cam groove (2a), the rotation of dish-type grooved cam (2) makes the orbiting motion of the movable end of crank (13) with cam groove (2a), cam groove (2a) drives crank (13) around hooked needle shaft (4) swing, and the swing of crank (13) makes crochet hook (5) swing by hooked needle shaft (4).

2, portable closer according to claim 1 is characterized in that: the angle of main shaft (6) axis and hooked needle shaft (4) axis is 19 °～22 °.

3, portable closer according to claim 2 is characterized in that: the angle of main shaft (6) axis and hooked needle shaft (4) axis is 20 °.

4, according to the described portable closer of claim 1 to 3, it is characterized in that: the movable end of crank (13) is provided with and connects spin (3).

5, according to the described portable closer of claim 1 to 3, it is characterized in that: feed mechanism also comprises eccentric shaft (7), feeding slide block (8), feeding tooth (9), vertical limit shaft (10), spacing axle sleeve of level (11) and horizontal fixed are to axle (12), horizontal fixed is two to axle (12) and is parallel to each other and simultaneously perpendicular to the slip shaft of the main shaft (6) in eedle in the eedle mechanism (14) and the feed mechanism, feeding slide block (8) is provided with the vertical through hole of slide block (8a), eccentric shaft (7) is provided with main shaft (6) is eccentric, eccentric shaft (7) is arranged in feeding slide block (8) installing hole rotationally, feeding tooth (9) is installed on the feeding slide block (8), eccentric shaft (7) drives feeding slide block (8) and feeding tooth (9) motion, the horizontal fixed that is enclosed within the spacing axle sleeve of level (11) goes up axle (12) and slidably reciprocates along the horizontal direction of horizontal fixed to axle (12), vertically limit shaft (10) one ends be fixedly mounted on that the spacing axle sleeve of level (11) is gone up and perpendicular to horizontal fixed to axle (12) plane, place, vertically limit shaft (10) other end penetrates the vertical through hole of described slide block (8a).

6, portable closer according to claim 4, it is characterized in that: feed mechanism also comprises eccentric shaft (7), feeding slide block (8), feeding tooth (9), vertical limit shaft (10), spacing axle sleeve of level (11) and horizontal fixed are to axle (12), horizontal fixed is two to axle (12) and is parallel to each other and simultaneously perpendicular to the slip shaft of the main shaft (6) in eedle in the eedle mechanism (14) and the feed mechanism, feeding slide block (8) is provided with the vertical through hole of slide block (8a), eccentric shaft (7) is provided with main shaft (6) is eccentric, eccentric shaft (7) is arranged in feeding slide block (8) installing hole rotationally, feeding tooth (9) is installed on the feeding slide block (8), eccentric shaft (7) drives feeding slide block (8) and feeding tooth (9) motion, the horizontal fixed that is enclosed within the spacing axle sleeve of level (11) goes up axle (12) and slidably reciprocates along the horizontal direction of horizontal fixed to axle (12), vertically limit shaft (10) one ends be fixedly mounted on that the spacing axle sleeve of level (11) is gone up and perpendicular to horizontal fixed to axle (12) plane, place, vertically limit shaft (10) other end penetrates the vertical through hole of described slide block (8a).