CN113862909B - Automatic sewing machine of shoes surface fabric - Google Patents
Automatic sewing machine of shoes surface fabric Download PDFInfo
- Publication number
- CN113862909B CN113862909B CN202111289274.3A CN202111289274A CN113862909B CN 113862909 B CN113862909 B CN 113862909B CN 202111289274 A CN202111289274 A CN 202111289274A CN 113862909 B CN113862909 B CN 113862909B
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- cylinder
- fabric
- base plate
- threading
- pattern
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B25/00—Sewing units consisting of combinations of several sewing machines
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B33/00—Devices incorporated in sewing machines for supplying or removing the work
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B37/00—Devices incorporated in sewing machines for slitting, grooving, or cutting
- D05B37/04—Cutting devices
Abstract
An automatic shoe fabric sewing machine comprises a rack, wherein a first feeding mechanism is installed on the rack through a first linear sliding table and used for feeding fabric; the pattern threading base plate is arranged on the rack through two horizontal guide posts and is used for placing a fabric to be sewn; a rectangular long hole is formed in the middle of the flower-penetrating base plate along the longitudinal direction of the flower-penetrating base plate; the pressing mechanism is arranged on the pattern-penetrating base plate and used for pressing the fabric to be sewn; the servo transmission mechanism is arranged on the frame and is in transmission connection with the flower penetrating base plate; the second feeding mechanism is arranged on the pattern-penetrating base plate and corresponds to the front end of the rectangular long hole and is used for feeding leather strips; the leather strip upward-pulling mechanism is arranged on the pattern-passing base plate and is positioned on one side of the front end of the rectangular long hole; the upper needle threading mechanism is arranged on the frame through an upper support arm and is positioned above the flower threading base plate; the lower needle threading mechanism is arranged on the frame through the lower support arm, is positioned below the flower threading base plate and corresponds to the upper needle threading mechanism. The machine can realize automatic sewing of the fabric, and has the advantages of high automation degree, high manufacturing efficiency and good product consistency.
Description
Technical Field
The invention relates to shoemaking equipment, in particular to an automatic sewing machine for shoe fabric.
Background
In order to improve the aesthetic property of shoes in the field of shoe making, decorative knots are often arranged on the shoe fabric as decorations. The common pattern is formed by inserting leather strips into the surfaces of two sides of the shoe fabric in a reciprocating manner through inserting holes uniformly distributed on the shoe fabric, and is used on shoes, hats or clothes to achieve the effect of attractive decoration. At present, no special equipment for processing the patterns is available in the market, the manufacturing of most patterns is still finished manually, the manufacturing efficiency is low, the labor intensity is high, the patterns of the manufactured fabric are uneven in shape, and the specifications are difficult to unify.
Disclosure of Invention
The invention aims to solve the technical problem of providing the automatic shoe fabric sewing machine which can realize automatic sewing of fabric, and has the advantages of high automation degree, high manufacturing efficiency and good product consistency.
In order to solve the problems, the invention adopts the following technical scheme:
an automatic sewing machine for shoe fabric comprises a frame,
the first feeding mechanism is arranged on the rack through a first linear sliding table and used for feeding the fabric;
the pattern threading base plate is arranged on the rack through two horizontal guide pillars and is used for placing the fabric to be sewn and picked up through the first feeding mechanism; a rectangular long hole is formed in the middle of the pattern threading substrate along the longitudinal direction of the pattern threading substrate and is used for realizing the up-and-down threading of leather strips;
the pressing mechanism is arranged on the pattern-penetrating base plate and used for pressing the fabric to be sewn;
the servo transmission mechanism is arranged on the rack, is in transmission connection with the pattern threading base plate and is used for driving the pattern threading base plate to intermittently slide along the horizontal guide post so as to realize automatic feeding when the fabric is sewed;
the second feeding mechanism is arranged on the pattern-through base plate and corresponds to the front end of the rectangular long hole, and is used for feeding leather strips;
the leather strip upward-pulling mechanism is arranged on the pattern-passing base plate and positioned on one side of the front end of the rectangular long hole, and is used for clamping the leather strips sent out by the second feeding mechanism and sending the leather strips to the upper side of the fabric;
the upper needle penetrating mechanism is arranged on the rack through an upper support arm and positioned above the pattern penetrating base plate and is used for clamping the leather strips conveyed to the upper part of the fabric by the leather strip upper pulling mechanism and inserting the leather strips into the uniformly distributed sockets on the fabric from top to bottom;
and the lower needle penetrating mechanism is arranged on the frame through a lower support arm, is positioned below the pattern penetrating base plate and corresponds to the upper needle penetrating mechanism, and is used for clamping leather strips conveyed to the lower part of the fabric by the upper needle penetrating mechanism and inserting the leather strips into the uniformly distributed slots in the fabric from bottom to top, so that the upper needle penetrating mechanism is matched to realize the reciprocating penetration of the leather strips on the fabric.
Preferably, the pressing mechanism comprises two pressing frames which are symmetrically hinged on the flower-penetrating base plate and located on two sides of the rectangular long hole, a pressing cylinder is arranged at one end of the flower-penetrating base plate along the vertical direction, and the upper ends of cylinder rods of the pressing cylinder are in transmission connection with hinge shafts at one ends of the two pressing frames through symmetrically arranged link mechanisms respectively and used for driving the two pressing frames to open, close and turn over simultaneously.
Preferably, the first feeding mechanism comprises a first linear sliding table and a sliding support arm arranged on the first linear sliding table, a feeding cylinder is arranged at the cantilever end of the sliding support arm, and a feeding sucker is fixed at the lower end of a cylinder rod of the feeding cylinder and used for sucking the fabric and placing the fabric on the pattern-through substrate through the sliding of the first linear sliding table.
Preferably, the second feeding mechanism comprises a feeding frame, a lifting cylinder and a rotatable driven roller are arranged on the feeding frame, a driving motor is supported at the upper end of a cylinder rod of the lifting cylinder, a driving roller is arranged on an output shaft of the driving motor, and the driving roller and the driven roller are arranged up and down and are used for clamping leather strips to realize feeding; be located driven voller both sides on last work or material rest and be equipped with the direction slot hole respectively for pass the leather strap and realize the direction.
Preferably, an upper blade and a lower blade which are vertically matched are arranged at one end, located at the outlet, of the feeding frame, and the upper blade is installed on the feeding frame through a cutting cylinder and a guide pillar which are arranged on the feeding frame and used for cutting off the leather strips after the patterns are sewn on the fabric.
Preferably, the leather strip upward-pulling mechanism comprises a swinging cylinder arranged on the pattern threading substrate, one end of a cylinder rod of the swinging cylinder is connected with an L-shaped swinging arm, the free end of the swinging arm is connected with a movable support arm through a first adjusting cylinder and two guide pillars, the front end of the movable support arm is provided with a second adjusting cylinder, and the lower end of the cylinder rod of the second adjusting cylinder is connected with a first needle threading manipulator.
Preferably, the upper needle threading mechanism comprises a first needle threading cylinder arranged at the cantilever end of the upper support arm, the lower end of a cylinder rod of the first needle threading cylinder is connected with a second needle threading cylinder which is vertically arranged through an upper suspension, the lower end of a cylinder rod of the second needle threading cylinder is hoisted with a rotary cylinder through a lower suspension, the front end of the cylinder rod of the rotary cylinder is fixedly provided with a rotary frame, and a second needle threading manipulator is arranged on the rotary frame.
Preferably, the lower suspension is formed by mutually lapping an L-shaped upper connecting plate and a lower connecting plate, two guide pillars are fixed on the lower connecting plate along the horizontal direction and penetrate through the upper connecting plate in a sliding fit manner, an upper push-pull air cylinder is fixed on the lower surface of the upper connecting plate along the horizontal direction, and the front end of a cylinder rod of the upper push-pull air cylinder is fixedly connected with the lower connecting plate and used for driving a second needle threading manipulator to slide left and right along the transverse direction.
Preferably, the lower needle threading mechanism comprises a third needle threading cylinder vertically fixed on the bottom surface of the rack through a lower support arm, a lower support is connected to the upper end of a cylinder rod of the third needle threading cylinder, a fourth needle threading cylinder is arranged on the lower support along the vertical direction, an upper support is connected to the upper end of a cylinder rod of the fourth needle threading cylinder, a rotating frame is arranged at the upper end of the upper support, a rotating shaft at the rear end of the rotating frame is in transmission connection with a rotating cylinder arranged on the upper support, a third needle threading manipulator is arranged at the front end of the rotating frame, and the needle threading manipulator corresponds to the middle of a rectangular long hole in the flower base plate.
Preferably, the needle threading manipulator comprises a clamping cylinder and a clamping jaw slideway arranged in front of the clamping cylinder, two movable clamping jaws are arranged on the clamping jaw slideway in a sliding fit manner, a cylinder rod of the clamping cylinder penetrates through the clamping jaw slideway and is connected with a V-shaped support arm, and two front ends of the V-shaped support arm are respectively clamped in clamping grooves of the two movable clamping jaws and are used for driving the two movable clamping jaws to be closed under the pushing of the clamping cylinder so as to clamp the leather strips; and a return spring is arranged between the two movable clamping jaws and is used for realizing the automatic opening and resetting of the two movable clamping jaws.
Preferably, the upper support arm is arranged on a second linear sliding table on the rack so as to adjust the position of the upper needle threading mechanism.
The beneficial effects of the invention are:
1. the first feeding mechanism is arranged on the rack through the first linear sliding table, the pattern threading base plate is arranged through the two horizontal guide posts, and the fabric to be stitched can be picked up through the first feeding mechanism and placed on the pattern threading base plate, so that the fabric can be automatically fed; the second feeding mechanism is arranged at the front end of the rectangular long hole corresponding to the middle part of the pattern-penetrating base plate, so that the leather strips can be automatically fed;
2. the pattern-threading base plate is provided with the material pressing mechanism, so that the fabric to be sewn can be pressed through the material pressing mechanism, and the position of the fabric is ensured to be fixed during pattern threading; because the servo transmission mechanism is arranged on the frame and is in transmission connection with the pattern-penetrating base plate, the pattern-penetrating base plate can be driven to intermittently slide along the horizontal guide post through the servo transmission mechanism, and the automatic feeding of the fabric during pattern sewing is realized;
3. because the leather strip upward-pulling mechanism is arranged on the flower-passing substrate and positioned on one side of the front end of the rectangular long hole, the leather strips sent out by the second feeding mechanism can be clamped and sent to the position above the fabric through the leather strip upward-pulling mechanism, and therefore the leather strips can be sent to the position of the second needle-threading manipulator of the upward needle-threading mechanism for preparing for flower threading; the upper needle threading mechanism is arranged on the frame through the upper support arm and is positioned above the pattern threading base plate, so that the upper needle threading mechanism can clamp the leather strips which are sent to the upper part of the fabric by the leather strip pull-up mechanism and insert the leather strips into the uniformly distributed sockets on the fabric from top to bottom; the lower needle threading mechanism is arranged on the rack through a lower support arm, is positioned below the pattern threading base plate and corresponds to the upper needle threading mechanism, and can clamp and take the leather strips sent to the lower part of the fabric by the upper needle threading mechanism and insert the leather strips into the uniformly distributed sockets on the fabric from bottom to top; consequently through lower threading mechanism cooperation last threading mechanism alright realize the reciprocal interlude of leather strap on the surface fabric to the realization is to the automatic seam flower of surface fabric, and degree of automation is high, the preparation is efficient, and the product uniformity is good.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a right side view of fig. 1.
Fig. 5 isbase:Sub>A partial sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Fig. 6 is a perspective view of the present invention.
Fig. 7 is a schematic structural view of the second feeding mechanism in fig. 1.
Fig. 8 is a perspective view of fig. 7.
Fig. 9 is a schematic structural view of the needle threading robot of the present invention.
Fig. 10 is a partially enlarged view of fig. 3.
Fig. 11 is a partially enlarged view of fig. 6.
FIG. 12 is a schematic view of the first needle threading robot flipped up and mated with the second needle threading robot in accordance with the present invention.
Fig. 13 is a partially enlarged view of the second needle threading robot of the present invention as it descends through the fabric.
FIG. 14 is a partially enlarged view of the third needle threading manipulator moving upward to drive the leather strips to thread out of the fabric.
In the figure: the device comprises a frame 1, a first feeding mechanism 2, a link mechanism 3, a hinge shaft 4, a sliding support arm 5, a material pressing frame 6, a feeding sucker 7, a guide rod 8, a feeding air cylinder 9, an upper needle penetrating mechanism 10, an upper support arm 11, a lead screw transmission mechanism 12, a servo motor 13, a second feeding mechanism 14, a lower needle penetrating mechanism 15, a leather strip pulling mechanism 16, a horizontal guide pillar 17, a flower penetrating base plate 18, a rectangular long hole 181, a material pressing air cylinder 19, a first linear sliding table 20, a feeding groove 21, a second linear sliding table 22, a second adjusting air cylinder 23, a movable support arm 24, a first adjusting air cylinder 25, a swing arm 26, a swing air cylinder 27, a first needle penetrating manipulator 28, a cross beam 29, a rotating air cylinder 30, an upper push-pull air cylinder 31 and a first needle penetrating air cylinder 32, the device comprises an upper suspension 33, a second needle threading cylinder 34, an upper connecting plate 35, a lower connecting plate 36, a second needle threading manipulator 37, a rotating frame 38, a rotating cylinder 39, a lower support arm 40, a third needle threading cylinder 41, a lower support 42, a fourth needle threading cylinder 43, an upper support 44, a rotating frame 45, a third needle threading manipulator 46, a lower push-pull cylinder 47, a lifting cylinder 48, a driven roller 49, an upper material frame 50, a guide long hole 501, a cutting cylinder 51, a lower blade 52, an upper tool frame 53, a driving motor 54, a driving roller 55, a motor base 56, an upper blade 57, a clamping cylinder 58, a clamping jaw slide way 59, a movable clamping jaw 60, a clamping piece 601, a trapezoid groove 602, a sliding block 603, a V-shaped support arm 61, a pin shaft 62, a return spring 63, a fabric 64, a leather strap 65 and a guide pillar 66.
Detailed Description
As shown in figures 1-6, the automatic sewing machine for shoe fabric comprises a frame 1, wherein a feeding groove 21 is arranged on one side of the upper surface of the frame 1 and used for placing shoe fabric to be sewn; one end of the frame 1 is provided with a first feeding mechanism 2 for realizing the automatic feeding of the fabric.
First feed mechanism 2 is including adopting cylinder driven first straight line slip table 20, be fixed with L type slip support arm 5 on first straight line slip table 20, cantilever end at slip support arm 5 is fixed with material loading cylinder 9 along vertical direction, be fixed with material loading sucking disc 7 at the jar pole lower extreme of material loading cylinder 9, material loading sucking disc 7 runs through slip support arm 5 through a guide bar 8, be equipped with the negative pressure chamber in material loading sucking disc 7 and be equipped with a plurality of suction holes in the bottom surface, be used for external air pump to absorb surface fabric 64 and place surface fabric 64 on wearing colored base plate 18 through the slip of first straight line slip table 20.
The pattern-passing substrate 18 is slidably mounted on the frame 1 through two horizontal guide posts 17 and used for placing the fabric 64 to be sewn, which is picked up by the first feeding mechanism 2; a rectangular long hole 181 is arranged in the middle of the flower-passing substrate 18 along the longitudinal direction thereof for realizing the up-and-down penetration of the leather strips. The machine frame 1 is provided with a servo transmission mechanism and is in transmission connection with the flower-penetrating base plate 18, and the servo transmission mechanism is used for driving the flower-penetrating base plate 18 to intermittently slide along the horizontal guide post so as to realize automatic feeding when the fabric 64 is sewn. The servo transmission mechanism is composed of a servo motor 13 and a lead screw transmission mechanism 12 connected with an output shaft of the servo motor 13, a screw nut of the lead screw transmission mechanism 12 is fixedly connected with one side of the pattern-penetrating base plate 18, and a lead screw of the lead screw transmission mechanism 12 is arranged on one side of the pattern-penetrating base plate 18 in parallel through two shaft seats.
A pressing mechanism is arranged on the pattern-through substrate 18 and used for pressing the fabric 64 to be sewn. The pressing mechanism comprises two pressing frames 6 which are symmetrically hinged on the pattern-penetrating base plate 18 and located on two sides of the rectangular long hole 181, a pressing cylinder 19 is fixed at one end of the pattern-penetrating base plate 18 along the vertical direction, a cross beam 29 is fixed at the upper end of a cylinder rod of the pressing cylinder 19, two connecting rod mechanisms 3 are symmetrically hinged at two ends of the cross beam 29, and the upper ends of the two connecting rod mechanisms 3 are respectively in transmission connection with hinge shafts 4 at one ends of the two pressing frames 6 and used for driving the two pressing frames 6 to open, close and turn over simultaneously. The link mechanism 3 is formed by hinging two connecting rods, wherein the lower connecting rod is V-shaped.
The second feeding mechanism 14 is arranged on the pattern-penetrating base plate 18 corresponding to the front end of the rectangular long hole 181 and used for feeding the leather strips 65 for sewing patterns. As shown in fig. 7-8, the second feeding mechanism 14 includes a feeding frame 50, a lifting cylinder 48 and a rotatable driven roller 49 are mounted on the feeding frame 50, a driving motor 54 is fixedly supported at the upper end of a cylinder rod of the lifting cylinder 48 through a motor base 56, the lower surface of the motor base 56 penetrates through the bottom surface of the feeding frame 50 through a guide pillar, a driving roller 55 is arranged on an output shaft of the driving motor 54, and the driving roller 55 and the driven roller 49 are arranged up and down for clamping a leather strap 65 to realize feeding; two sides of the driven roller 49 on the loading frame 50 are respectively provided with a guiding long hole 501 for penetrating the leather strips 65 to realize guiding.
An upper blade 57 and a lower blade 52 which are vertically matched are arranged at one end of an outlet of the feeding frame 50, the upper blade 57 is fixed on an L-shaped upper blade frame 53, and the upper blade frame 53 is arranged on the feeding frame 50 through a cutting cylinder 51 and a guide post which are arranged on the feeding frame and is used for cutting off the leather strips 65 after sewing patterns on the fabric 64.
A leather strip pulling-up mechanism 16 is arranged on the pattern-passing base plate 18 at one side of the front end of the rectangular long hole 181 and used for clamping the leather strips 65 sent out by the second feeding mechanism 14 and sending the leather strips above the front end of the fabric 64.
As shown in fig. 11, the leather strap pulling-up mechanism 16 includes a swing cylinder 27 fixed on the base plate 18, an L-shaped swing arm 26 is connected to one end of a cylinder rod of the swing cylinder 27, a movable support arm 24 is connected to a free end of the swing arm 26 through a first adjusting cylinder 25 and two guide posts 66, and the guide posts 66 are inserted into the free end of the swing arm 26 through sliding clearance fit; a second adjusting cylinder 23 is fixed at the front end of the movable support arm 24, and a first needle threading manipulator 28 is connected with the lower end of the cylinder rod of the second adjusting cylinder 23 through a slide block.
An upper needle threading mechanism 10 is arranged on the frame 1 through an upper support arm 11, and the upper needle threading mechanism 10 is positioned above the pattern threading base plate 18 and is used for clamping a leather strip which is sent to the upper side of the fabric by the leather strip upper pulling mechanism 16 and inserting the leather strip into the uniformly distributed slots on the fabric 64 from top to bottom. The upper support arm 11 is fixed on a second linear sliding table 22 on one side of the upper surface of the machine frame 1, and the second linear sliding table 22 is driven by a cylinder so as to adjust the position of the upper needle threading mechanism 10.
As shown in fig. 10, the upper needle threading mechanism 10 includes a first needle threading cylinder 32 fixed to the cantilever end of the upper arm 11 in the vertical direction, a second needle threading cylinder 34 vertically arranged is fixedly mounted to the lower end of the cylinder rod of the first needle threading cylinder 32 through an upper suspension 33, a horizontally arranged rotary cylinder 30 is suspended to the lower end of the cylinder rod of the second needle threading cylinder 34 through a lower suspension, a rotary frame 38 is fixed to the front end of the cylinder rod of the rotary cylinder 30, and a second needle threading manipulator 37 is provided on the rotary frame 38.
The lower suspension is formed by mutually lapping an L-shaped upper connecting plate 35 and a lower connecting plate 36, two guide pillars are fixed on the lower connecting plate 36 along the horizontal direction and penetrate through the upper connecting plate 35 in a sliding fit manner, an upper push-pull air cylinder 31 is fixed below the upper connecting plate 35 along the horizontal direction, and the front end of a cylinder rod of the upper push-pull air cylinder 31 is fixedly connected with the lower connecting plate 36 and used for driving a second needle threading mechanical arm 37 to slide left and right along the transverse direction.
A lower needle threading mechanism 15 is fixed below the pattern threading base plate 18 on the bottom surface of the frame 1 through a lower support arm, the lower needle threading mechanism 15 corresponds to the upper needle threading mechanism 10 and is used for clamping the leather strips sent to the lower part of the fabric 64 by the upper needle threading mechanism 10 and inserting the leather strips into the uniformly distributed slots on the fabric 64 from bottom to top, so that the reciprocating threading of the leather strips on the fabric 64 is realized by matching with the upper needle threading mechanism 10.
The lower needle threading mechanism 15 comprises a third needle threading cylinder 41 vertically fixed on the bottom surface of the frame 1 through a lower support arm 40, a lower support 42 is connected to the upper end of a cylinder rod of the third needle threading cylinder 41, a fourth needle threading cylinder 43 is arranged on the lower support 42 along the vertical direction, an upper support 44 is connected to the upper end of a cylinder rod of the fourth needle threading cylinder 43, the upper support 44 is inserted into the lower support 42 through two guide rods, a rotating frame 45 is rotatably mounted on the upper end of the upper support 44, a rotating shaft at the rear end of the rotating frame 45 is in transmission connection with a rotating cylinder 39 fixed on the upper support 44 through a pair of bevel gear pairs, and a third needle threading manipulator 46 is arranged at the front end of the rotating frame 45 and corresponds to the middle part of a rectangular long hole 181 on the pattern base plate 18.
The upper bracket 44 is symmetrically arranged with the same structure as the lower suspension, and is formed by overlapping an upper connecting plate and an L-shaped lower connecting plate, two guide pillars are fixed on the upper connecting plate along the horizontal direction, the guide pillars pass through the lower connecting plate through sliding fit, a lower push-pull cylinder 47 is fixed on the upper connecting plate along the horizontal direction, the front end of a cylinder rod of the lower push-pull cylinder 47 is fixedly connected with the upper connecting plate, and the lower push-pull cylinder is used for driving a third needle-threading manipulator 46 to slide left and right along the horizontal direction.
As shown in fig. 9, the first, second and third needle threading manipulators have the same structure, each needle threading manipulator comprises a clamping cylinder 58 and a clamping jaw slide way 59 arranged in front of the clamping cylinder 58, two movable clamping jaws 60 are respectively installed on the clamping jaw slide way 59 through a slide block 603 in a sliding fit manner, the movable clamping jaws 60 are respectively welded on the corresponding slide blocks 603, a cylinder rod of the clamping cylinder 58 passes through the clamping jaw slide way 59 and is connected with a V-shaped support arm 61, and two front ends of the V-shaped support arm 61 are respectively clamped on a pin shaft 62 in the clamping grooves of the two movable clamping jaws 60, so that the two movable clamping jaws 60 are driven to slide and close under the pushing of the clamping cylinder 58 to clamp the leather strips; a return spring 63 is clamped between the two movable clamping jaws 60 and is used for realizing the automatic opening and return of the two movable clamping jaws 60. The front ends of the movable clamping jaws 60 are fixedly connected with dovetail-shaped clamping pieces 601 respectively, the front ends of the clamping pieces 601 are in a round-head-shaped blade shape, and the rear ends of the clamping pieces 601 are provided with trapezoidal grooves 602 which are matched with the taper of the front parts of the clamping pieces 601 so as to realize the mutual matching of the needle threading manipulators.
When in use, the operation process is as follows:
1. cutting shoe fabric 64 to be sewn into a uniform specification, placing the cut shoe fabric into a feeding groove 21, starting an air pump externally connected with a feeding cylinder 9 and a feeding sucker 7, sucking the fabric through the feeding sucker 7, starting an air cylinder of a first linear sliding table 20 to retract to drive a sliding support arm 5 to slide, placing the sucked fabric 64 on a pattern-passing base plate 18 in cooperation with the feeding cylinder 9, and enabling jacks uniformly distributed on the fabric 64 to correspond to the centers of rectangular long holes; controlling the first linear sliding table 20 and the feeding cylinder 9 to reset simultaneously for sucking the fabric next time;
2. starting the material pressing cylinder 19, driving the two material pressing frames 6 to rotate oppositely through the cross beam and the two link mechanisms 3, and pressing the fabric to be sewn on the pattern threading substrate 18 through the free edges of the two material pressing frames 6;
3. the leather strips for sewing flowers sequentially pass through the guiding long holes on the two sides of the driven roller and penetrate out from the space between the upper blade 57 and the lower blade; the lifting cylinder 48 is started to retract, the driving roller 55 of the output shaft of the driving motor 54 is driven to move downwards, and the leather strips are clamped between the driving roller 55 and the driven roller;
4. at the moment, the swing arm 26 is in a horizontal state, the first adjusting cylinder 25 is in an extending state, and the two movable clamping jaws 60 of the first needle threading manipulator 28 are positioned at the upper side and the lower side of the leather strips; the clamping cylinder 58 is started to extend out, the two movable clamping jaws 60 are driven to slide and close through the V-shaped support arm 61, and the front end of the leather strip is clamped between the clamping pieces 601 of the two movable clamping jaws 60; starting the swing cylinder 27 to drive the swing arm 26 and the first needle threading manipulator 28 to turn upwards by 90 degrees, and simultaneously starting the driving motor 54 to drive the driving roller 55 to rotate, so that the front end of the leather strip is pulled out to the upper part of the fabric along with the movable clamping jaw 60 of the first needle threading manipulator 28 and corresponds to the second needle threading manipulator 37;
5. as shown in fig. 12, the upper push-pull cylinder 31 is started to extend, and the lower connecting plate drives the two movable clamping jaws 60 of the second needle threading manipulator 37 to extend forwards and slide to the two sides of the movable clamping jaw 60 of the first needle threading manipulator; the second adjusting cylinder 23 is started to extend out to drive the first needle threading manipulator 28 to move downwards, so that the trapezoidal grooves 602 at the rear ends of the clamping pieces 601 of the two movable clamping jaws 60 on the first needle threading manipulator 28 correspond to the front parts of the clamping pieces 601 of the two movable clamping jaws 60 of the second needle threading manipulator 37; then the clamping cylinder 58 of the second needle threading manipulator 37 is controlled to start to extend, so that the front parts of the two clamping pieces 601 of the second needle threading manipulator 37 are inserted into the trapezoidal grooves 602 at the rear ends of the clamping pieces 601 of the first needle threading manipulator 28, and the front ends of the leather strips are clamped;
6. controlling the clamping cylinder 58 of the first needle threading manipulator to reset so as to open the two movable clamping jaws 60 of the first needle threading manipulator; the first adjusting cylinder 25 is controlled to retract to drive the first needle threading manipulator to retreat, the second adjusting cylinder 23 is controlled to retract and reset, and the swing cylinder 27 is controlled to rotate and reset;
7. as shown in fig. 13, the first needle threading cylinder 32 and the second needle threading cylinder 34 are sequentially started to drive the second needle threading manipulator 37 to vertically descend, and the second needle threading manipulator 37 clamps the front end of the leather strip and penetrates through a first corresponding socket on the fabric; at the moment, the third needle threading cylinder and the fourth needle threading cylinder are both in an extending state, the third needle threading manipulator 46 is started, and the front end of the leather strip is clamped by the two movable clamping jaws 60;
8. controlling a clamping cylinder of the second needle threading manipulator 37 to be opened, starting the second needle threading cylinder 34 to retract and reset at the same time, driving two movable clamping jaws 60 of the second needle threading manipulator 37 to move upwards to withdraw from a socket corresponding to the fabric, controlling the upper push-pull cylinder 31 to reset after withdrawing, and driving the second needle threading manipulator 37 to retreat to leave the leather strips through the lower connecting plate; starting the rotary cylinder 30 of the upper needle threading mechanism 10 to drive the second needle threading manipulator 37 to rotate 180 degrees, so that the trapezoidal grooves 602 of the two movable clamping jaws 60 of the second needle threading manipulator 37 face downwards; meanwhile, the fourth needle threading cylinder 43 is controlled to retract and reset, and the leather strips are pulled down for a certain distance;
9. controlling the two movable clamping jaws 60 of the third needle threading manipulator 46 to be opened, starting the fourth needle threading cylinder 43 to extend out, and driving the third needle threading manipulator 46 to move upwards to the bottom surface of the fabric; controlling the two movable clamping jaws 60 of the third needle threading manipulator 46 to close again, and clamping the leather strips between the front ends of the clamping pieces 601 of the two movable clamping jaws 60; the fourth needle threading cylinder 43 is controlled to retract and reset again, and the leather strips are pulled down for a certain distance;
10. starting a servo motor 13, and driving the pattern-penetrating substrate 18 and the fabric to move forward by the distance of a socket through a lead screw transmission mechanism 12; starting the upper push-pull cylinder 31 and the second needle threading cylinder 34 to extend out, and driving the two movable clamping jaws 60 of the second needle threading manipulator 37 to move to the upper surface of the next socket; meanwhile, a rotary cylinder of the lower needle threading mechanism 15 is started to drive the bevel gear pair to drive the third needle threading manipulator 46 to rotate 180 degrees, so that the front ends of clamping pieces 601 of two movable clamping jaws 60 of the third needle threading manipulator 46 are upward;
11. as shown in fig. 14, the fourth needle threading cylinder 43 is started to extend out again, and the third needle threading manipulator 46 moves upwards to drive the leather strips to penetrate out from the next corresponding socket from bottom to top; controlling the two movable clamping jaws 60 of the second needle threading manipulator 37 to be closed to clamp the leather strips which penetrate out of the corresponding inserting ports; controlling the two movable clamping jaws 60 of the third needle threading manipulator 46 to be opened, controlling the second needle threading cylinder 34 to retract, driving the second needle threading manipulator 37 to move upwards, and pulling the leather strips upwards for a certain distance;
12. controlling the two movable clamping jaws 60 of the third needle threading manipulator 46 to be closed to clamp the leather strips, controlling the two movable clamping jaws 60 of the second needle threading manipulator 37 to be opened, repeatedly starting the second needle threading cylinder 34 to extend out, driving the second needle threading manipulator 37 to move downwards, controlling the two movable clamping jaws 60 of the second needle threading manipulator 37 to be closed again, and clamping the leather strips between the front ends of the clamping pieces 601 of the two movable clamping jaws 60;
13. controlling the two movable clamping jaws 60 of the third needle threading manipulator 46 to be opened and controlling the fourth needle threading cylinder 43 to retract and reset so as to withdraw the movable clamping jaws 60 of the third needle threading manipulator 46 out of the corresponding sockets; meanwhile, the lower push-pull air cylinder 47 is controlled to retract and reset, and the third needle threading manipulator 46 is driven to retreat away from the leather strips;
14. meanwhile, the second needle threading cylinder 34 is controlled to retract to drive the second needle threading manipulator 37 to move upwards to pull the leather strips upwards for a certain distance; completing the threading of the second jack; then, a rotating cylinder of the upper needle threading mechanism 10 is started to drive the second needle threading manipulator 37 to clamp the front end of the leather strip and rotate 180 degrees, so that the front ends of the clamping pieces of the two movable clamping jaws 60 face downwards; and restarting the servo motor 13, driving the pattern threading substrate 18 and the fabric to move forward by the distance of one socket through the lead screw transmission mechanism 12, enabling the second needle threading manipulator 37 to correspond to a third socket, restarting the second needle threading cylinder 34 to extend out, and threading the pattern of the third socket through the cooperation of the third needle threading manipulator 46 and the second needle threading manipulator 37. And circulating the steps until the flower penetration of all the sockets is completed.
15. The cutting cylinder 51 is started to retract, and the upper blade 57 is driven to move downwards by the upper tool rest to be matched with the lower blade to cut off the leather strips; the material pressing cylinder 19 is started, the two material pressing frames 6 are driven to simultaneously turn outwards and open through the connecting rod mechanism 3, and then the stitched shoe fabric can be taken out.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides an automatic sewing machine of shoes surface fabric, includes the frame, its characterized in that:
the first feeding mechanism is arranged on the rack through a first linear sliding table and used for feeding the fabric;
the pattern-through base plate is arranged on the rack through two horizontal guide pillars and is used for placing the fabric to be sewn and picked up through the first feeding mechanism; a rectangular long hole is formed in the middle of the pattern threading base plate along the longitudinal direction of the pattern threading base plate and used for realizing the vertical threading of the leather strips;
the pressing mechanism is arranged on the pattern-penetrating base plate and used for pressing the fabric to be sewn;
the servo transmission mechanism is arranged on the rack, is in transmission connection with the pattern threading base plate, and is used for driving the pattern threading base plate to intermittently slide along the horizontal guide post so as to realize automatic feeding when the pattern is sewn on the fabric;
the second feeding mechanism is arranged on the pattern-through base plate and corresponds to the front end of the rectangular long hole, and is used for feeding leather strips;
the leather strip upward-pulling mechanism is arranged on the pattern-passing base plate and positioned on one side of the front end of the rectangular long hole, and is used for clamping the leather strips sent out by the second feeding mechanism and sending the leather strips to the upper side of the fabric;
the upper needle threading mechanism is arranged on the frame through an upper support arm and positioned above the pattern threading base plate and is used for clamping the leather strips which are sent to the upper part of the fabric by the leather strip upper pulling mechanism and inserting the leather strips into the inserting ports which are uniformly distributed on the fabric from top to bottom;
and the lower needle penetrating mechanism is arranged on the frame through a lower support arm, is positioned below the pattern penetrating base plate and corresponds to the upper needle penetrating mechanism, and is used for clamping the leather strips sent to the lower part of the fabric by the upper needle penetrating mechanism and inserting the leather strips into the uniformly distributed slots in the fabric from bottom to top, so that the upper needle penetrating mechanism is matched to realize the reciprocating penetration of the leather strips on the fabric.
2. The automatic sewing machine of shoe fabric according to claim 1, characterized in that: the pressing mechanism comprises two pressing frames which are symmetrically hinged on the flower penetrating base plate and located on two sides of the rectangular long hole, a pressing air cylinder is arranged at one end of the flower penetrating base plate along the vertical direction, a cross beam is fixedly arranged at the upper end of a cylinder rod of the pressing air cylinder, two connecting rod mechanisms are symmetrically hinged at two ends of the cross beam, and the upper ends of the two connecting rod mechanisms are respectively in transmission connection with hinge shafts at one ends of the two pressing frames and used for driving the two pressing frames to open, close and turn over simultaneously.
3. The automatic sewing machine of shoe fabric according to claim 1, characterized in that: the first feeding mechanism comprises a first linear sliding table and a sliding support arm arranged on the first linear sliding table, a feeding cylinder is arranged at the cantilever end of the sliding support arm, and a feeding sucker is fixed at the lower end of a cylinder rod of the feeding cylinder and used for sucking fabric and placing the fabric on the pattern-through substrate through the sliding of the first linear sliding table.
4. The automatic sewing machine of shoe fabric according to claim 1, characterized in that: the second feeding mechanism comprises a feeding frame, a lifting cylinder and a rotatable driven roller are arranged on the feeding frame, a driving motor is supported at the upper end of a cylinder rod of the lifting cylinder, a driving roller is arranged on an output shaft of the driving motor, and the driving roller and the driven roller are arranged up and down and are used for clamping leather strips to realize feeding; be located driven voller both sides on last work or material rest and be equipped with the direction slot hole respectively for pass the leather strap and realize the direction.
5. The automatic sewing machine of shoe fabric according to claim 4, characterized in that: the upper blade and the lower blade which are matched up and down are arranged at one end, located at the outlet, of the upper material rack, and the upper blade is installed on the upper material rack through a cutting cylinder and a guide pillar which are arranged on the upper material rack and used for completing cutting of leather strips after pattern sewing on the fabric.
6. The automatic sewing machine of shoe fabric according to claim 1, characterized in that: the leather strip upward-pulling mechanism comprises a swinging cylinder arranged on the pattern-penetrating base plate, one end of a cylinder rod of the swinging cylinder is connected with an L-shaped swinging arm, the free end of the swinging arm is connected with a movable supporting arm through a first adjusting cylinder and two guide pillars, the front end of the movable supporting arm is provided with a second adjusting cylinder, and the lower end of the cylinder rod of the second adjusting cylinder is connected with a first needle-penetrating manipulator.
7. The automatic sewing machine of shoe fabric according to claim 1, characterized in that: the upper needle threading mechanism comprises a first needle threading cylinder arranged at the cantilever end of the upper support arm, the lower end of a cylinder rod of the first needle threading cylinder is connected with a second needle threading cylinder which is vertically arranged through an upper suspension, the lower end of a cylinder rod of the second needle threading cylinder is hoisted with a rotary cylinder through a lower suspension, the front end of the cylinder rod of the rotary cylinder is fixedly provided with a rotary frame, and a second needle threading manipulator is arranged on the rotary frame.
8. The automatic sewing machine of shoe fabric according to claim 7, characterized in that: the lower suspension is formed by mutually lapping an L-shaped upper connecting plate and a lower connecting plate, two guide pillars are fixed on the lower connecting plate along the horizontal direction and penetrate through the upper connecting plate in a sliding fit manner, an upper push-pull air cylinder is fixed below the upper connecting plate along the horizontal direction, and the front end of a cylinder rod of the upper push-pull air cylinder is fixedly connected with the lower connecting plate and used for driving a second needle threading manipulator to slide left and right along the horizontal direction.
9. The automatic sewing machine of shoe fabric according to claim 1, characterized in that: the lower needle threading mechanism comprises a third needle threading cylinder which is vertically fixed on the bottom surface of the rack through a lower support arm, a lower support is connected to the upper end of a cylinder rod of the third needle threading cylinder, a fourth needle threading cylinder is arranged on the lower support along the vertical direction, an upper support is connected to the upper end of the cylinder rod of the fourth needle threading cylinder, a rotating frame is arranged on the upper support, a rotating shaft at the rear end of the rotating frame is in transmission connection with a rotating cylinder arranged on the upper support, a third needle threading manipulator is arranged at the front end of the rotating frame, and the needle threading manipulator correspondingly penetrates through the middle of a rectangular long hole in the flower base plate.
10. The automatic shoe fabric stitching machine according to any one of claims 6 to 9, characterized in that: the needle threading manipulator comprises a clamping cylinder and a clamping jaw slideway arranged in front of the clamping cylinder, two movable clamping jaws are arranged on the clamping jaw slideway in a sliding fit manner, a cylinder rod of the clamping cylinder penetrates through the clamping jaw slideway and is connected with a V-shaped support arm, and the two front ends of the V-shaped support arm are respectively clamped in clamping grooves of the two movable clamping jaws and are used for driving the two movable clamping jaws to be closed under the pushing of the clamping cylinder so as to clamp the leather strips; and a return spring is arranged between the two movable clamping jaws and is used for realizing the automatic opening and resetting of the two movable clamping jaws.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111289274.3A CN113862909B (en) | 2021-11-02 | 2021-11-02 | Automatic sewing machine of shoes surface fabric |
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| CN202111289274.3A CN113862909B (en) | 2021-11-02 | 2021-11-02 | Automatic sewing machine of shoes surface fabric |
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| CN113862909A CN113862909A (en) | 2021-12-31 |
| CN113862909B true CN113862909B (en) | 2022-12-13 |
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| CN113862909A (en) | 2021-12-31 |
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Effective date of registration: 20221121 Address after: 516000 Building B, Antai District D, Haibin Industrial Zone, Huangbu Town, Huidong County, Huizhou City, Guangdong Province Applicant after: Huizhou Shengyuan Shoes Co.,Ltd. Address before: 325000 No. 481, Xinjiang road, Puzhou street, Longwan District, Wenzhou City, Zhejiang Province Applicant before: Ji Xuekai |
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