CN213389181U - Comprehensive feeding sewing machine with liftable machine head - Google Patents

Abstract

The utility model provides a comprehensive feeding sewing machine of aircraft nose liftable, including frame, aircraft nose, the needle bar frame of being connected with the aircraft nose, needle and presser foot of needle bar frame below are equipped with the guide rail between aircraft nose and the frame, and aircraft nose elevating system drives the aircraft nose along the guide rail up-and-down motion, frame are equipped with the swing mechanism fixed part, and the aircraft nose is equipped with swing mechanism motion portion, and motion portion is connected with the fixed part and can be along the fixed part up-and-down motion, and the fixed part drives the motion portion swing. When the fluffy material is sewn, the machine head is lifted firstly, in the process of lifting the machine head, the moving part of the swing mechanism moves upwards relative to the fixed part of the swing mechanism of the machine base, so that the distance between the machine needle and the presser foot as well as the needle plate is increased, a user can smoothly place the fluffy material between the machine needle and the presser foot as well as the needle plate, then the moving part of the swing mechanism moves downwards relative to the fixed part of the swing mechanism of the machine base by driving the machine head to descend, and therefore the fluffy material is discharged.

Description

Comprehensive feeding sewing machine with liftable machine head

Technical Field

The utility model belongs to the technical field of the mechanical skill and specifically relates to a but synthesis pay-off sewing machine of aircraft nose liftable.

Background

When the common sewing machine is used for sewing, the needle moves up and down to sew materials, and the swinging mechanism pushes the materials to move through swinging, so that the materials are sewn while moving. However, because the machine base and the machine head are usually fixed, when encountering fluffy materials, the distance between the presser foot and the needle plate is limited when the presser foot and the machine needle are at the highest due to the high height of the fluffy materials, so that the fluffy thick materials cannot be placed and cannot be sewn. Or the sewing machine is put in the sewing machine after being compressed by external force and then adjusted, the operation is very troublesome, and the defective rate after sewing is very high.

In order to solve the sewing problem of fluffy materials, a sewing machine with a liftable machine head is provided, the machine head is lifted firstly, fluffy materials are put in, then the machine head is lowered, and the fluffy materials are sewn. However, the swinging mechanism extends from the machine base to the machine head, so that the swinging mechanism is not arranged in order to be matched with the lifting of the machine head, the swinging function is not existed due to the deletion of the swinging mechanism, and the sewing of fluffy materials is still inconvenient due to the lack of swinging feeding.

SUMMERY OF THE UTILITY MODEL

The utility model provides a comprehensive feeding lockstitch sewing machine of aircraft nose liftable, it not only can effectively solve the pay-off problem of fluffy pine material, can swing the pay-off moreover when the fluffy pine material of sewing for the sewing of fluffy pine material is just as convenient with the sewing of ordinary material.

The utility model provides a comprehensive feeding sewing machine of aircraft nose liftable, includes frame, aircraft nose, the needle bar frame of being connected with the aircraft nose, eedle and presser foot of needle bar frame below, be equipped with the guide rail between aircraft nose and the frame, aircraft nose elevating system drive aircraft nose along the guide rail up-and-down motion, the frame is equipped with the swing mechanism fixed part, the aircraft nose is equipped with swing mechanism motion portion, the motion portion is connected with the fixed part and can be along the fixed part up-and-down motion, the fixed part drives the motion portion swing.

Further, the fixed part includes that frame needle bar swing crank is left, and the motion part includes that frame needle bar swing crank is right, frame needle bar swing crank is left to be equipped with spout or through-hole, be equipped with first slider in spout or the through-hole, frame needle bar swing crank is right to be equipped with first slider slightly, first slider can slide from top to bottom in spout or through-hole.

Further, the first slider profile is cuboid or square, and spout or through-hole are rectangular shape.

Further, a machine base needle rod swing shaft is arranged in the machine base, one end of the left side of the machine base needle rod swing crank is connected with the machine base needle rod swing shaft, one end of the right side of the machine head needle rod swing crank is connected with the machine head needle rod swing shaft, and the machine base needle rod swing right side drives the machine head needle rod swing crank to swing left through the machine base needle rod swing shaft, the machine base needle rod swing crank left side, the machine head needle rod swing crank right side and the machine head swing shaft.

Further, be equipped with needle bar frame oscillating axle on the aircraft nose, the upper end hole cup joints on needle bar frame oscillating axle upper portion and can swing along needle bar frame oscillating axle, be equipped with the swing groove on the needle bar frame, be equipped with the second slider of band-pass hole in the swing groove, aircraft nose needle bar swing crank left side is equipped with the second slider slightly, the second slider slightly stretches into in the through-hole of second slider, aircraft nose swing crank left side drives needle bar frame along the swing axle swings.

Further, the one end of frame is equipped with the guide rail mounting panel, the guide rail is fixed on the guide rail mounting panel, be equipped with the aircraft nose mounting panel relative with the guide rail mounting panel on the aircraft nose, set up between guide rail mounting panel and aircraft nose mounting panel on the left of frame needle bar swing crank and the aircraft nose needle bar swing crank right side.

Furthermore, a first synchronous belt assembly is arranged in the machine base, a second synchronous belt assembly is arranged in the machine head, and one end of the first synchronous belt assembly is connected with one end of the second synchronous belt assembly through a first synchronous belt wheel shaft.

Further, the first synchronous pulley shaft is positioned between the machine base and the machine head.

Furthermore, a needle bar joint is arranged on the needle bar frame, and the motor drives the needle bar joint to move up and down through the first synchronous belt component and the second synchronous belt component.

Adopt the technical scheme of the utility model, following technological effect has:

1. when the fluffy material is sewn, the machine head is lifted firstly, in the process of lifting the machine head, the moving part of the swing mechanism moves upwards relative to the fixed part of the swing mechanism of the machine base, so that the distance between the machine needle and the presser foot as well as the needle plate is increased, a user can smoothly place the fluffy material between the machine needle and the presser foot as well as the needle plate, then the moving part of the swing mechanism moves downwards relative to the fixed part of the swing mechanism of the machine base by driving the machine head to descend, and therefore the fluffy material is discharged. When sewing is carried out, the fixed part drives the moving part to swing, so that swinging feeding is realized. Through the utility model discloses a structure has effectively realized the swing pay-off of the comprehensive pay-off sewing machine of aircraft nose liftable for the sewing of fluffy pine material is convenient equally with ordinary material.

2. The matching of the fixed part and the movable part of the swing mechanism in the lifting process of the machine head is realized by adopting the matching of the swing crank of the machine head needle rod right side and the swing crank of the machine base needle rod left side and the first sliding block, and the swing force is transmitted through the swing crank of the machine head needle rod right side and the swing crank of the machine base needle rod left side, so that the structure is simple and reliable, and the stability is higher.

3. Adopt hold in range wheel axle to connect first hold in range subassembly and the one end of second hold in range subassembly to be connected, when the aircraft nose promotes, the second hold in range subassembly passes through hold in range wheel axle and rotates one end distance to realize the improvement of first hold in range subassembly. When the aircraft nose descends, the second synchronous belt subassembly passes through the synchronous belt wheel axle and rotates a section distance to realize the decline of second synchronous belt subassembly, and when first synchronous belt subassembly rotated, it took second synchronous belt subassembly to rotate through synchronous belt wheel axle drive, thereby drove the eedle up-and-down motion through the crank. The needle movement of the comprehensive feeding sewing machine with the liftable head is effectively realized, and the sewing of fluffy materials is realized.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an embodiment.

Fig. 2 is another angle structure diagram of the embodiment.

FIG. 3 is a schematic view of a lifting portion of an embodiment.

FIG. 4 is a schematic diagram of a needle driving mechanism according to an embodiment.

FIG. 5 is a schematic diagram of a needle carriage swing mechanism according to an embodiment.

A-a fixed part, B-a moving part, 1-a bottom plate, 2-a machine base, 3-a motor, 4-a cylinder mounting plate, 5-a cylinder, 6-a machine head lifting plate, 7-a machine head, 8-a needle bar frame, 9-a presser foot, 10-a machine needle, 11-a cloth feeding tooth, 12-a needle plate, 13-a needle clamp, 14-a needle bar, 15-a machine head mounting frame front, 16-a machine head, 17-a slider mounting plate, 18-a slider, 19-a guide rail mounting plate, 20-a guide rail, 21-a guide rail mounting plate connecting frame front, 22-a guide rail mounting plate connecting frame rear, 23-a machine head mounting frame rear, 24-a screw, 25-a screw, 26-a screw, 27-a screw 28-a screw, 29-a, 30-screw, 31-screw, 32-screw, 33-screw, 34-needle bar joint, 35-needle bar link, 36-handpiece joint, 37-needle bar crank hinge shaft, 38-needle bar crank, 39-handpiece upper shaft sleeve, 40-synchronous pulley, 41-synchronous belt, 42-synchronous pulley, 43-handpiece upper shaft, 44-bearing assembly, 45-bearing assembly, 46-bearing mounting plate, 47-bearing assembly, 48-synchronous pulley shaft, 49-bearing mounting plate, 50-bearing assembly, 51-bearing assembly, 52-bearing assembly, 53-synchronous pulley, 54-synchronous pulley, 55-synchronous belt, 56-handpiece upper shaft, 57-coupling, 58-bearing assembly, 58-needle bar joint, and the like, 59-screw, 60-second slide block, 61-second slide block pin, 62-left head needle bar swinging crank, 63-left head needle bar swinging shaft sleeve, 64-left head needle bar swinging shaft, 65-bearing assembly, 66-right head needle bar swinging crank, 67-first slide block, 68-first slide block pin, 69-left machine base needle bar swinging crank, 70-bearing assembly, 71-left machine base needle bar swinging shaft, 72-right machine base needle bar swinging shaft sleeve, 73-right machine base needle bar swinging crank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-5, the present embodiment is illustrated as a flat bed sewing machine, although the scope of the present application is not limited to flat bed sewing machines. The utility model provides a flush joint machine, includes that bottom plate 1, bottom plate 1's top connect frame 2, and the one end of frame 2 is equipped with motor 3, and the top of frame 2 is equipped with cylinder mounting panel 4, and the top of cylinder mounting panel 4 is equipped with cylinder 5, and the top of aircraft nose 7 is equipped with aircraft nose lifting plate 6, and the expansion end and the 6 fixed connection of aircraft nose lifting plate of cylinder 5, when 5 during operation of cylinder, cylinder 5 can drive 7 up-and-down motion of aircraft nose through aircraft nose lifting plate 6. The machine head 7 is provided with a needle bar frame 8, and the lower end of the needle bar frame 8 is provided with a presser foot 10 and a needle 11. Be equipped with swing mechanism fixed part A and first synchronous belt subassembly on the frame 2, be equipped with swing mechanism movable part B and the synchronous belt subassembly of second in the aircraft nose 7, when needs are made up fluffy material, promote aircraft nose 7 earlier, aircraft nose 7 is promoting the in-process, swing mechanism movable part B is moving up fixed part A now, the synchronous belt subassembly of second is for first synchronous belt subassembly upward movement to swing mechanism and eedle drive mechanism's promotion problem has effectively been solved. When the machine head 7 is lifted, the machine needle 11 and the presser foot 10 move upwards along with the machine head 7, so that the distance between the machine needle 11 and the presser foot 10 and the needle plate 12 is increased, fluffy materials can be easily placed between the machine needle and the presser foot and the needle plate, after the materials are placed, the machine head is driven to move downwards through the air cylinder 5, the movable part B of the swing mechanism moves downwards relative to the fixed part A, and the first synchronous belt component moves downwards relative to the second synchronous belt component. During the downward movement of the head, the needle 11 and the presser foot 10 move downward with the head 7, pressing the material, so that the presser foot is effective to press the material. After the machine head moves downwards in place, the motor drives the first synchronous belt component to rotate, the second synchronous belt component is driven to rotate through the synchronous belt wheel shaft, then the rotation of the second synchronous belt component is converted into the up-and-down movement of the machine needle, sewing of fluffy materials can be achieved, in the sewing process, the driving element drives the swing mechanism fixing portion to swing through the transmission mechanism, the swinging force drives the machine head needle rod swing crank to swing right through the machine base needle rod swing crank left side, the first sliding block slightly and the first sliding block, and therefore the machine needle frame is driven to swing, and therefore swing feeding is achieved. Through the utility model discloses a structure has effectively realized the swing pay-off of the comprehensive pay-off sewing machine of aircraft nose liftable for the sewing of fluffy pine material is convenient equally with ordinary material. The mechanism elevating portion, the needle transmission mechanism, and the needle holder swing mechanism will be described in detail below.

FIG. 3 is a schematic structural view of a head lifting part, a guide rail mounting plate link front 21 and a guide rail mounting plate link rear 22 are fixed to the front and rear of a machine base 2 by screws 24, a guide rail mounting plate 19 connects the guide rail mounting plate link front 21 and the guide rail mounting plate link rear 22 by screws 25, two guide rails 20 are fixed to the guide rail mounting plate 19 by screws 26, four sliders 18 are fitted over the two guide rails 20, four sliders 18 are fixed to a slider mounting plate 17 by screws 27, a head mounting plate 16 is connected to the slider mounting plate by screws 28, a head mounting plate front 15 and a head mounting plate rear 23 are connected to the head mounting plate 16 by screws 30, a head mounting plate front 15 and a head mounting plate rear 23 are fixed to the front and rear of a head 7 by screws 29, a head lifting plate 6 is fixed to the upper ends of the head mounting plate front 15 and the head mounting plate rear 23 by screws 31, the air cylinder 5 is fixed on the air cylinder mounting plate 4 by a screw 32, the external screw thread at the shaft end of the air cylinder 5 is connected with the internal screw thread on the machine head lifting plate 6, the air cylinder mounting plate 4 is fixed at the upper ends of the front 21 of the guide rail mounting plate connecting frame and the rear 22 of the guide rail mounting plate connecting frame by a screw 33, and the machine head 7 is driven by the air cylinder 5 to lift along the two guide rails 20 under the action of compressed air. It will be appreciated that the drive assembly of the present application is not limited to a gas cylinder and may be a liquid pump, electric motor or other alternative.

Fig. 4 is a schematic structural diagram of the needle transmission mechanism, in which a head joint 36 is fixed on a head 7, an upper end hole of a needle bar frame 8 is sleeved on the head joint 36, a needle 10 is fixed on a needle clamp 13, the needle clamp 13 is fixed on a lower end of a needle bar 14, the needle bar joint 34 is fixed on the needle bar 14, the needle bar 14 is inserted into a first hole of the needle bar frame 8, a shaft of the needle bar joint 34 is inserted into a lower hole of a needle bar connecting rod 35, an upper hole of the needle bar connecting rod 35 is sleeved on a needle bar crank hinge shaft 37, the needle bar crank hinge shaft 37 is fixed in a small hole of a needle bar crank 38, and the needle bar crank 38 is fixed. The machine needle transmission mechanism further comprises a first synchronous belt component and a second synchronous belt component, the first synchronous belt component is arranged on the side of the machine base, the second synchronous belt component is arranged on the side of the machine head, the first synchronous belt component comprises a first synchronous belt driving wheel 53 and a first synchronous belt driven wheel 54, and the first synchronous belt driving wheel 53 is connected with the motor 3 through an upper shaft of the machine base. The second synchronous belt component comprises a second synchronous belt driving wheel 40 and a second synchronous belt driven wheel 41, the first synchronous belt driven wheel 54 is connected with the second synchronous belt driving wheel 42 through a synchronous belt shaft, the second synchronous belt driven wheel is connected with the upper shaft sleeve 39 of the machine head, when the motor 3 rotates, the upper shaft sleeve 39 of the machine head can be driven to rotate through the first synchronous belt component and the second synchronous belt component, then the rotary motion is converted into the up-and-down motion of the machine needle through the needle rod crank 38, and the sewing can be realized. When fluffy material is placed to needs, because the aircraft nose upwards moves, the second hold-in range subassembly is along with the aircraft nose upwards motion, the second hold-in range subassembly uses second hold-in range action wheel 45 as the centre of a circle this moment, use second hold-in range action wheel 45 and second hold-in range 44 as one section distance of radius motion, after fluffy material is placed, aircraft nose downwards motion resets, use second hold-in range action wheel 45 and second hold-in range 44 to reset for one section distance of radius motion, can rotate through motor 3 this moment, can be through first hold-in range subassembly, the second hold-in range subassembly drives the sewing that the needle up-and-down motion carried out fluffy material.

Adopt hold in range wheel axle to connect first hold in range subassembly and the one end of second hold in range subassembly to be connected, when the aircraft nose promotes, the second hold in range subassembly passes through hold in range wheel axle and rotates one end distance to realize the improvement of first hold in range subassembly. When the aircraft nose descends, the second synchronous belt subassembly passes through the synchronous belt wheel axle and rotates a section distance to realize the decline of second synchronous belt subassembly, and when first synchronous belt subassembly rotated, it took second synchronous belt subassembly to rotate through synchronous belt wheel axle drive, thereby drove the eedle up-and-down motion through the crank. The needle movement of the comprehensive feeding sewing machine with the liftable head is effectively realized, and the sewing of fluffy materials is realized.

It will be appreciated that the foregoing describes the primary construction of the first and second timing belt assemblies, the first and second timing belt assemblies further comprising other components, the specific construction being as follows: the head upper bushing 39 is fixed in the upper shaft hole of the head 7, and the bearing assembly 47 is fixed in the upper hole of the head mounting plate 16. The upper handpiece shaft 43 is inserted into the holes of the upper handpiece shaft sleeve 39 and the bearing assembly 47, the bearing assembly 44 and the bearing assembly 45 are fixed in the hole of the bearing mounting plate 46, the synchronous pulley 42 is sleeved on and fixed on the upper handpiece shaft 43, the bearing assembly 44 is sleeved on the upper handpiece shaft 43, the synchronous pulley 40 and the bearing assembly 45 are sleeved on the synchronous pulley shaft 48, the synchronous pulley 40 is fixed at the left end of the synchronous pulley shaft 48, the bearing assembly 50 is fixed in the upper hole of the guide rail mounting plate 19, the bearing assembly 58 is fixed in the upper shaft hole of the machine base 2, the bearing assembly 51 and the bearing assembly 52 are fixed in the hole of the bearing mounting plate 49, the upper machine base shaft 56 is inserted into the holes of the bearing assembly 50, the bearing assembly 51, the same frequency band wheel 53 and the coupling 57, the synchronous pulley 53 is fixed on the upper machine base shaft 56, the upper machine base 56 is connected, the synchronous pulley 54 is fixed at the right end of the synchronous pulley shaft 48, and the motor 3 is fixed at the right end surface of the machine base 2 by a screw 59. When the motor 3 rotates, the needle rod crank 38 is driven to rotate by the coupler 57, the synchronous belt pulley 53, the synchronous belt 55, the synchronous belt pulley 54, the synchronous belt pulley 48, the base upper shaft 56, the synchronous belt pulley 40, the synchronous belt 41, the synchronous belt pulley 42 and the handpiece upper shaft 43, and because the small hole of the needle rod crank 38 is eccentric, the rotation of the needle rod crank 38 drives the needle 10 to move up and down along the first hole of the needle rod frame 8 by the needle rod crank hinge shaft 37, the needle rod upper connecting rod 35, the needle rod connector 34, the needle rod 14 and the needle clamp 13.

Fig. 5 is a schematic structural diagram of a needle frame swinging mechanism, the swinging mechanism comprises a fixed part a and a moving part B, the fixed part a is arranged in the machine base 2, and the moving part B is arranged in the machine head 7 and can move up and down along with the machine head. The fixed part A comprises a machine base needle rod swinging crank left 69, a machine base needle rod swinging shaft 71 and a machine base needle rod swinging crank right 73, the moving part B comprises a machine head needle rod swinging crank left 66, a machine head needle rod swinging shaft 64 and a machine head needle rod swinging shaft 63, the machine head needle rod swinging shaft 63 is connected with the needle rod frame 8 through the machine head needle rod swinging crank left 62, the machine head joint 36 is fixed on the machine head 7, a hole at the upper end of the needle rod frame 8 is sleeved on the needle rod hinge shaft 36, and the machine needle 10 and the presser foot 9 are arranged on the needle rod frame 8. The driving system drives the machine base needle rod swinging crank to swing rightwards 73, namely, the fixed part A and the moving part B drive the machine head needle rod swinging shaft 63 to swing, so that the machine needle 10 and the presser foot 9 are driven to swing by taking the needle rod hinge shaft 36 as an axis to realize feeding.

A first sliding block tip 68 is arranged at one end of the left 69 of the swinging crank of the machine base needle rod, a long strip-shaped through hole 661 is arranged at the right 66 of the swinging crank of the machine head needle rod, the first sliding block 67 is arranged in the long strip-shaped through hole 661 and can move along the long strip-shaped through hole 661, and the first sliding block tip 68 extends into the through hole of the first sliding block 67. When the machine head moves upwards, the moving part B moves upwards along with the machine head, and the fixing part is fixed with the machine base, so that the strip-shaped through hole 661 slides upwards relative to the first sliding block, the machine needle and the presser foot move upwards along with the machine head, fluffy materials can be easily placed, then the machine head moves downwards to reset, the strip-shaped through hole 661 also moves downwards relative to the first sliding block 67 to reset, and then the machine head needle rod swinging crank right 73 drives the fixing part and the moving part B to swing, so that the machine needle and the presser foot are driven to swing for feeding.

The sliding structure is not fixed, for example, the through hole 661 can be a long strip sliding slot, and the first sliding block 67 is disposed in the sliding slot. Or the first slider is arranged at the right side of the head needle rod swinging crank, and the through hole or the sliding groove is arranged at the left side of the machine base needle rod swinging crank. Or the sliding block and the sliding block are slightly integrally formed. In summary, the scheme that the moving part B moves relative to the fixed part during the lifting process of the handpiece is all considered to be within the protection scope of the present application.

When the fluffy material is sewn, the machine head is lifted firstly, in the lifting process of the machine head, the moving part B of the swing mechanism moves upwards relative to the fixed part of the swing mechanism of the machine base, so that the distance between the machine needle and the presser foot as well as the needle plate is increased, a user can smoothly place the fluffy material between the machine needle and the presser foot as well as the needle plate, then the machine head is driven to descend, and the moving part B of the swing mechanism moves downwards relative to the fixed part of the swing mechanism of the machine base, so that the fluffy material is placed. When sewing is carried out, the fixed part drives the moving part B to swing, so that swinging feeding is realized. Through the utility model discloses a structure has effectively realized the swing pay-off of the comprehensive pay-off sewing machine of aircraft nose liftable for the sewing of fluffy pine material is convenient equally with ordinary material. The matching of the fixed part and the movable part of the swing mechanism in the lifting process of the machine head is realized by adopting the matching of the swing crank of the machine head needle rod right side and the swing crank of the machine base needle rod left side and the first sliding block, and the swing force is transmitted through the swing crank of the machine head needle rod right side and the swing crank of the machine base needle rod left side, so that the structure is simple and reliable, and the stability is higher.

It will be appreciated that the above description describes the main structure of the fixed part and the moving part, and the first and second timing belt assemblies further comprise other elements, and the specific structure is as follows: the head joint 36 is fixed on the head 7, and the hole at the upper end of the needle bar frame 8 is sleeved on the needle bar hinge shaft 36. The needle 10 is fixed to a needle holder 13, the needle holder 13 is fixed to a lower end of a needle bar 14, the needle bar 14 is inserted into a first hole of the needle bar holder 8, and the presser foot 9 is also inserted into a second hole of the needle bar holder 8, which is generally smaller in diameter than the first hole. The head needle bar swing shaft sleeve 63 is fixed in the needle bar swing shaft hole of the head 7, and the bearing assembly 65 is fixed in the lower hole of the head mounting plate 16. The head needle bar swing shaft 64 is inserted into the holes of the head needle bar swing sleeve 63 and the bearing assembly 65, and the head needle bar swing crank left 62 and the head needle bar swing crank right 66 are fixed to the left end and the right end of the head needle bar swing shaft 64, respectively. The second slider pin 61 is fixed in the small hole of the left 62 of the head needle bar swing crank, the second slider 60 is sleeved on the second slider pin 61, and the second slider 60 is inserted into the slider groove of the needle bar frame 8. Bearing assembly 70 is secured in the lower bore of rail mounting plate 19. The base needle bar swing bearing 72 is fixed in the needle bar swing shaft hole of the base 2. The base needle bar swing shaft 71 is inserted into the bearing assembly 70 and the holes of the base needle bar swing sleeve 72, and the base needle bar swing crank left 69 and the base needle bar swing crank right 73 are fixed to the left end and the right end of the base needle bar swing shaft 71, respectively. The first slide block pin 68 is fixed in the small hole at the upper end of the left 69 of the machine base needle rod swinging crank, the first slide block 67 is sleeved on the first slide block pin 68, and the first slide block 67 is inserted into the groove of the right 66 of the machine head needle rod swinging crank. The swinging of the frame needle rod swinging crank right 73 is driven by the original transmission mechanism. When the machine base needle rod swing crank swings right 73. The needle bar frame 8 is driven by the machine base needle bar swinging shaft 71, the machine base needle bar swinging crank left 69, the sliding block pin 68, the first sliding block 67, the machine head needle bar swinging crank right 66, the machine head needle bar swinging shaft 64, the machine head needle bar swinging crank left 62, the sliding block pin 61 and the second sliding block 60 to swing by taking the machine head joint 36 as the center, so that the swinging feeding of the presser foot 9 and the needle 10 is realized.

In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention.

Claims (10)

1. The utility model provides a synthesis pay-off sewing machine of aircraft nose liftable, includes frame (2), aircraft nose (7), needle bar frame (8) be connected with the aircraft nose, eedle (10) and presser foot (9) of needle bar frame below, its characterized in that, be equipped with guide rail (20) between aircraft nose (7) and frame (2), aircraft nose elevating system drive aircraft nose (7) along guide rail (20) up-and-down motion, the frame is equipped with the swing mechanism fixed part, the aircraft nose is equipped with swing mechanism motion portion, motion portion is connected with the fixed part and can be along the fixed part up-and-down motion, the fixed part drives the motion portion swing.

2. The machine head liftable comprehensive feeding sewing machine according to claim 1, wherein the fixed part comprises a machine base needle rod swinging crank left (69), the moving part comprises a machine head needle rod swinging crank right (66), the machine base needle rod swinging crank left is provided with a sliding groove or a through hole, a first sliding block is arranged in the sliding groove or the through hole, the machine head needle rod swinging crank right is provided with a first sliding block tip, and the first sliding block can slide up and down in the sliding groove or the through hole.

3. The machine head liftable synthesize feeding sewing machine of claim 1, wherein the fixed part comprises a machine base needle rod swing crank left, the moving part comprises a machine head needle rod swing crank right, the machine head needle rod swing crank right is provided with a chute or a through hole, a first slide block is arranged in the chute or the through hole, the machine base needle rod swing crank left is provided with a first slide block tip, and the first slide block can slide up and down in the chute or the through hole.

4. The machine head-lifting comprehensive feeding sewing machine according to claim 2 or 3, wherein the first sliding block is rectangular or square in outline, and the sliding groove or the through hole is long-strip-shaped.

5. The machine head liftable synthesize the pay-off sewing machine of claim 2 or 3, characterized in that, be equipped with frame needle bar swing axle in the frame, the one end and the frame needle bar swing axle of frame needle bar swing crank left side are connected, be equipped with aircraft nose needle bar swing axle in the aircraft nose, the one end and the aircraft nose needle bar swing axle of aircraft nose needle bar swing crank right side are connected, the aircraft nose needle bar swing right side is through frame needle bar swing axle, frame needle bar swing crank left side, aircraft nose needle bar swing crank right side, aircraft nose swing axle drive aircraft nose needle bar swing crank left side swing.

6. The machine head liftable comprehensive feeding sewing machine according to claim 2 or 3, wherein a needle bar frame swing shaft is arranged on the machine head, an upper end hole of the needle bar frame is sleeved on the upper portion of the needle bar frame swing shaft and can swing along the needle bar frame swing shaft, a swing groove is arranged on the needle bar frame, a second sliding block with a through hole is arranged in the swing groove, a second sliding block tip is arranged on the left side of a machine head needle bar swing crank, the second sliding block tip extends into the through hole of the second sliding block, and the machine head swing crank left side drives the needle bar frame to swing along the swing shaft.

7. The machine head liftable synthesize pay-off sewing machine of claim 2 or 3, characterized in that, the one end of frame is equipped with the guide rail mounting panel, the guide rail is fixed on the guide rail mounting panel, be equipped with the aircraft nose mounting panel relative with the guide rail mounting panel on the aircraft nose, frame needle bar swing crank left and aircraft nose needle bar swing crank right side set up between guide rail mounting panel and aircraft nose mounting panel.

8. The integrated feeding sewing machine with the liftable machine head according to claim 1, wherein a first synchronous belt component is arranged in the machine base, a second synchronous belt component is arranged in the machine head, and one end of the first synchronous belt component is connected with one end of the second synchronous belt component through a first synchronous belt wheel shaft.

9. The integrated feed sewing machine with a liftable head as claimed in claim 8, wherein the first synchronous pulley shaft is located between the bed and the head.

10. The integrated feeding sewing machine with the liftable machine head as claimed in claim 6, wherein the needle bar frame is provided with a needle bar joint, and the motor drives the needle bar joint to move up and down through the first synchronous belt component and the second synchronous belt component.

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