CN217499611U - Steering wheel cover splicing machine capable of automatically splicing leather - Google Patents

Abstract

The utility model discloses a steering wheel cover seam splicing machine capable of automatically splicing leather materials, which comprises a frame, a material placing plate and a sewing machine head which are arranged on the frame, wherein a feeding splicing mechanism is arranged above the material placing plate and comprises a mechanical arm and a control module; the execution end of the mechanical arm is provided with a feeding mounting plate, and the body of the feeding mounting plate is provided with a plurality of feeding suckers for grabbing leather; a second lifting feeding connecting plate is arranged at the front end of the feeding mounting plate, and two ends of the second feeding connecting plate are provided with first clamping jaws which can transversely and horizontally move and are used for clamping the overlapped edges of the two leather materials; the control module comprises a visual identification module for detecting the position of the leather, a calculation module for calculating the position coordinate and the moving stroke of the leather, a grabbing control module for controlling the feeding sucker to work, and a material clamping control module for controlling the first clamping and grabbing.

Description

Steering wheel cover splicing machine capable of automatically splicing leather

Technical Field

The utility model belongs to the technical field of steering wheel cover sewing processing technique and specifically relates to a splice machine is overlapped to steering wheel cover with a plurality of steering wheel cladding head and the tail concatenation and make steering wheel cover.

Background

The steering wheel cover refers to a cover sleeved on a steering wheel. The existing steering wheel cover is formed by sewing a piece of sheet leather material, the existing technology is to sew and splice the leather by manpower, however, the labor intensity is high, the working efficiency is lower, and the automation degree is lower.

Disclosure of Invention

The utility model discloses to prior art problem, and provide a steering wheel cover splicing machine of ability automatic concatenation cladding, the automatic alignment concatenation that realizes two claddings improves work efficiency.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a steering wheel sleeve seam splicing machine capable of automatically splicing leather materials comprises a rack, a material placing plate and a sewing machine head, wherein the material placing plate and the sewing machine head are arranged on the rack; the execution end of the mechanical arm is provided with a feeding mounting plate, and the body of the feeding mounting plate is provided with a plurality of feeding suckers for grabbing leather; a second lifting feeding connecting plate is arranged at the front end of the feeding mounting plate, and two ends of the second feeding connecting plate are provided with first clamping jaws which can transversely and horizontally move and are used for clamping the overlapped edges of the two leather materials; the control module comprises a visual identification module for detecting the position of the leather, a calculation module for calculating the position coordinate and the moving stroke of the leather, a grabbing control module for controlling the feeding sucker to work, and a material clamping control module for controlling the first clamping and grabbing.

In order to optimize the technical proposal, the utility model discloses still include following modified technical proposal.

The second feeding connecting plate is provided with two third feeding connecting plates capable of sliding transversely and a first cylinder used for driving the third feeding connecting plates to move, and the first clamping jaw is connected with the third feeding connecting plates.

Foretell first clamping jaw includes the clamping jaw connecting seat with third pay-off connecting plate fixed connection, is used for first splint and the second splint at centre gripping cladding material edge to and be used for controlling first splint and the first clamping jaw cylinder of second splint clamp material.

The feeding mounting plate is fixedly provided with a feeding cylinder through a feeding cylinder mounting seat; the piston rod of the feeding cylinder is vertically arranged and is connected with the middle part of the second feeding connecting plate through the first feeding connecting plate.

The front end of the first feeding connecting plate is provided with a calibration plate for positioning.

The sewing machine head is positioned at one end of the feeding plate, and the other end of the feeding plate is provided with a lifting material supporting plate; a material sucking mechanism and a rotary material clamping mechanism which are connected with the frame are arranged on one side of the discharging plate; the material suction mechanism comprises a first linear module arranged transversely, a first material suction connecting plate moving along the first linear module, and a second material suction connecting plate capable of moving up and down relative to the first material suction connecting plate; the second material suction connecting plate is provided with a second section of lifting cylinder and a material suction mounting plate capable of lifting, and the material suction mounting plate is provided with a material suction sucker.

The rotary clamping mechanism comprises a module mounting plate arranged on the rack, a second linear module is fixed on the module mounting plate, and the second linear module is provided with a first clamping connecting plate capable of moving linearly; the first clamping connecting plate is provided with a second lifting clamping connecting plate, and the second clamping connecting plate is provided with a fourth clamping connecting plate capable of moving horizontally; the fourth clamping connecting plate is provided with a rotating motor, and a power output shaft of the rotating motor is connected with the second clamping jaw.

Compared with the prior art, the utility model discloses a steering wheel cover sewing machine through the position of vision identification module discernment cladding, snatchs the cladding and splice to next cladding through robotic arm is automatic, utilizes the fixed cladding concatenation position of first clamping jaw then to be delivered to sewing machine head department sewing by robotic arm fixed, improves cladding concatenation sewing's work efficiency. After two adjacent leather materials are spliced, the tail end of the leather material to be turned is sucked by the material sucking mechanism, and the tail end of the first leather material is clamped by the rotary material clamping mechanism and then pulled to assist the turning action of the leather material. In addition, the rotary material clamping mechanism can clamp the tail end of the first leather material and pull the tail end of the first leather material to the position of the last leather material after rotating 180 degrees, and the feeding splicing mechanism grabs the last leather material and splices the last leather material and the first leather material to form a complete steering wheel sleeve.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a material grabbing component in the feeding splicing mechanism.

Fig. 3 is an assembled exploded view of fig. 2.

Fig. 4 is a schematic partial structural diagram of an embodiment of the present invention.

Fig. 5 is a schematic structural view of the suction mechanism in fig. 4.

Fig. 6 is an assembled exploded view of fig. 5.

Fig. 7 is a schematic structural view of the rotary material clamping mechanism in fig. 4.

Fig. 8 is an assembled exploded view of fig. 7.

Fig. 9 is a schematic structural view of the material holding mechanism in fig. 4.

Fig. 10 is a schematic structural view of the receiving mechanism in fig. 1.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 to 10 are schematic structural views of the present invention.

Wherein the reference numerals are: the device comprises a rack 1, a mechanical arm 2, a feeding mounting plate 3, a feeding sucker 4, a feeding cylinder mounting seat 5, a feeding cylinder 6, a first feeding connecting plate 7, a second feeding connecting plate 8, a first cylinder 9, a first feeding connecting block 10, a third feeding connecting plate 11, a second feeding connecting block 12, a feeding slide rail 13, a feeding slide block 14, a clamping jaw connecting seat 15, a first clamping plate 16, a second clamping plate 17, a first clamping jaw cylinder 18, a discharging plate 19, a camera 20, a calibration plate 21, a first linear module 22, a first module motor 23, a first section lifting cylinder 24, a first material suction connecting plate 25, a second material suction connecting plate 26, a first lifting slide rail 27, a first lifting slide block 28, a second section lifting cylinder 29, a material suction mounting plate 30, a second lifting slide rail 31, a second lifting slide block 32, a rodless cylinder 33, a rodless slide block 34, a sucker connecting block 35, a first slide rail 36, a first lifting slide rail 36, a second lifting slide block 28, a second lifting slide block 29, a second lifting slide block 21, a second linear guide rail, a rodless cylinder, a rodless slide block 32, a rodless slide rail, a second linear guide rail, a third linear guide rail, a second linear guide rail, a third linear guide rail, A first slider 37, a third material sucking connecting plate 38, a sucker connecting plate 39, a sucker mounting seat 40, a material sucking sucker 41, a second linear module 42, a second module motor 43, a first clamping connecting plate 44, a second clamping connecting plate 45, a third clamping connecting plate 46, a fourth clamping connecting plate 47, a fifth clamping connecting plate 48, a sixth clamping connecting plate 49, a first clamping slider 50, a first clamping slide rail 51, a second clamping slider 52, a second clamping slide rail 53, a second cylinder 54, a clamping mounting plate 55, a third cylinder 56, a third cylinder mounting seat 57, a rotating motor 58, a second clamping jaw cylinder 59, a third clamping plate 60, a fourth clamping plate 61, a material supporting plate 62, a material supporting motor 63, a material supporting synchronous belt 64, a screw rod 65, a material supporting mounting seat 66, a guide rod 67, a material supporting connecting plate 68, a fixing plate 69, a third linear module 70, a third module motor 71, a third module 72, a third module synchronous belt 72, a material sucking sucker connecting plate 45, a third clamping connecting plate 46, a second clamping synchronous belt 64, a lead screw rod and a lead screw rod, A material receiving cylinder 73, a material receiving connecting seat 74, a material receiving sucker 75, a sucker connecting seat 76, a sewing machine head 77, a material grabbing connecting seat 78 and a module mounting plate 79.

The utility model discloses a steering wheel cover piece machine, include pay-off concatenation mechanism, rotatory material mechanism that presss from both sides, inhale material mechanism, support material mechanism, receiving agencies.

The feeding splicing mechanism comprises a rack 1, a mechanical arm 2 connected with the rack 1, a material grabbing component arranged below the mechanical arm 2 and a control module. According to the position of the leather on the material placing plate 19, the mechanical arm 2 drives the material grabbing component to grab the leather on the material placing plate 19 and send the leather to the sewing machine head 77. The robot arm 2 in this embodiment is a three-axis robot arm. The control module comprises a visual identification module for detecting the position of the leather, a calculation module for calculating the position coordinate and the moving stroke of the leather, a grabbing control module for controlling the feeding sucker 4 to work, and a material clamping control module for controlling the first clamping and grabbing.

The material grabbing component comprises a feeding mounting plate 3 connected with the mechanical arm 2 through a material grabbing connecting seat 78, and six feeding suckers 4 used for sucking leather materials are uniformly distributed on the feeding mounting plate 3. The feeding mounting plate 3 is fixedly connected with the feeding cylinder 6 through the feeding cylinder mounting seat 5, and a piston rod of the feeding cylinder 6 is connected with the first feeding connecting plate 7. The first feeding connecting plate 7 is connected with the middle part of the second feeding connecting plate 8. The feeding cylinder 6 drives the first clamping jaw to move upwards through the second feeding connecting plate 8, and the position is kept away so that the feeding sucker 4 can conveniently suck leather; the feeding cylinder 6 drives the first clamping jaw to move downwards through the second feeding connecting plate 8, so that the first clamping jaw can conveniently grab the leather materials.

Two sides of the second feeding connecting plate 8 are provided with a first cylinder 9, and a piston rod of the first cylinder 9 is connected with a third feeding connecting plate 11 through a first feeding connecting block 10. The lower surface of the second feeding connecting plate 8 is provided with a feeding slide rail 13 and a feeding slide block 14 which guide the third feeding connecting plate 11 to slide. The third feeding connecting plate 11 is connected with the first clamping jaw through a second feeding connecting block 12. The two first air cylinders 9 drive the two first clamping jaws to get close to or away from each other along the feeding slide rail 13, so that the first clamping jaws can grab the leather materials conveniently.

The first clamping jaw comprises a clamping jaw connecting seat 15, a first clamping plate 16, a second clamping plate 17 and a first clamping jaw air cylinder 18. The second feeding connecting block 12 is connected with the back of the clamping jaw connecting seat 15, and a first clamping plate 16 is fixed at the lower end of the clamping jaw connecting seat 15. The cylinder body of the first clamping jaw air cylinder 18 is arranged on the front end face of the clamping jaw connecting seat 15, and the piston rod of the first clamping jaw air cylinder 18 is connected with the second clamping plate 17. The first clamping jaw air cylinder 18 drives the second clamping plate 17 to move downwards, and the first clamping plate 16 and the second clamping plate 17 are matched to clamp two pieces of overlapped leather.

A material discharging plate 19 arranged on the frame 1 is arranged below the feeding splicing mechanism, and a plurality of air suction holes are arranged on the material discharging plate 19 and used for sucking the leather material and preventing the leather material from sliding.

The camera 20 is installed on the frame 1 above the material discharging plate 19, the camera 20 shoots leather materials on the material discharging plate 19, and the camera 20 transmits shot images to the system. The system identifies and determines the position information of the leather on the discharging plate 19, and controls the mechanical arm 2 to accurately grab the leather.

One end of the first feeding connecting plate 7 is provided with a calibration plate 21, a camera 20 shoots the light and shadow of the calibration plate 21 on the discharging plate 19, and the system determines the moving coordinate system of the material grabbing component by a nine-point calibration method.

The material suction mechanism comprises a first linear module 22 arranged on the rack 1 on one side of the material discharge plate 19, and a first module motor 23 is arranged at one end of the first linear module 22. The first linear module 22 is provided with a first module sliding block, and the middle part of the first module sliding block is fixedly connected with the first synchronous belt. The first module motor 23 drives the first timing belt to rotate, thereby driving the first module slider to slide along the first linear module 22.

A first material suction connecting plate 25 is arranged on the first module sliding block, a first section of lifting cylinder 24 is arranged on the first material suction connecting plate 25, and a piston rod of the first section of lifting cylinder 24 is connected with a second material suction connecting plate 26. The first material sucking connecting plate 25 is provided with a first lifting slide rail 27, the second material sucking connecting plate 26 is arranged on a first lifting slide block 28, and the first lifting slide rail 27 and the first lifting slide block 28 slide in a matching manner. The first section of lifting cylinder 24 drives the second material suction connecting plate 26 to move upwards along the first lifting slide rail 27, and the position is set aside so as to facilitate the operation of the second linear module 42.

The second material suction connecting plate 26 is provided with a second section of lifting cylinder 29, a piston rod of the second section of lifting cylinder 29 is fixedly connected with the material suction mounting plate 30, and the upper surface of the material suction mounting plate 30 is fixedly provided with a sucker connecting block 35. The second lifting slide rail 31 is arranged on the suction cup connecting block 35, the second lifting slide rail 32 is arranged on the second lifting slide rail 31, and the second lifting slide block 32 is fixedly connected with the second material suction connecting plate 26. The second section of lifting cylinder 29 drives the material sucking mounting plate 30 to move downwards along the second lifting slide rail 31, and drives the material sucking suction cup 41 to suck the leather material downwards.

The material suction mounting plate 30 is provided with a rodless cylinder 33, a rodless slide block 34 is sleeved on the rodless cylinder 33, and the rodless slide block 34 is fixedly connected with a third material suction connecting plate 38. The lower surface of the suction mounting plate 30 is provided with a first slide rail 36 and a first slide block 37 for guiding the third suction connecting plate 38 to slide. The third material sucking connecting plate 38 is fixedly connected with the sucker connecting plate 39 through a sucker connecting seat 76, a sucker mounting seat 40 is arranged on the upper surface of the sucker connecting plate 39, and two material sucking suckers 41 are arranged on the sucker mounting seat 40. The rodless cylinder 33 drives the sucker connecting plate 39 to move along the direction of the first slide rail 36, so as to drive the material sucking sucker 41 to move to the upper part of the leather, and then the second section lifting cylinder 29 drives the material sucking sucker 41 to move downwards so as to suck the leather.

The rotary material clamping mechanism is positioned below the material sucking mechanism. The rotary clamping mechanism comprises a module mounting plate 79 arranged on the frame 1, a second linear module 42 is arranged on the module mounting plate 79, and a second module motor 43 is arranged at one end of the second linear module 42. The second linear module 42 is provided with a second module sliding block, and the middle part of the second module sliding block is fixedly connected with a second synchronous belt. The second module motor 43 drives the second timing belt to rotate, and drives the second module slider to slide along the second linear module 42.

The second module slider is provided with a first clamping connecting plate 44, a second air cylinder 54 is fixed on the first clamping connecting plate 44, and a piston rod of the second air cylinder 54 is connected with a second clamping connecting plate 45. The first clamping connecting plate 44 is provided with a first clamping slide rail 51 and a first clamping slide block 50 which guide the second clamping connecting plate 45 to lift. The upper end of the second clamping connecting plate 45 is connected with a clamping mounting plate 55. The second cylinder 54 drives the clamping mounting plate 55 to move up and down along the first clamping slide rail 51 through the second clamping connecting plate 45, so as to facilitate the leather processing.

The material clamping mounting plate 55 is fixedly connected with the third cylinder 56 through the third cylinder mounting seat 57, the piston rod of the third cylinder 56 is connected with the third material clamping connecting plate 46, and the third material clamping connecting plate 46 is connected with the fourth material clamping connecting plate 47. The third clamping connecting plate 46 and the fourth clamping connecting plate 47 are respectively installed on the two second clamping sliding blocks 52, each second clamping sliding block 52 is provided with a second clamping sliding rail 53, and the two second clamping sliding rails 53 are installed on two sides of the clamping installation plate 55. The third cylinder 56 drives the second clamping jaw to move along the second clamping slide rail 53, so that the second clamping jaw can clamp the leather material conveniently.

The lower end face of the fourth clamping connecting plate 47 is provided with a fifth clamping connecting plate 48, and the back face of the fifth clamping connecting plate 48 is provided with a rotating motor 58 for driving the second clamping jaw to rotate. The second clamping jaw comprises a sixth clamping material connecting plate 49, a third clamping plate 60, a fourth clamping plate 61 and a second clamping jaw air cylinder 59. An output shaft of the rotating motor 58 is fixedly connected with the back of the sixth clamping connecting plate 49, and a fourth clamping plate 61 is fixed at the lower end of the sixth clamping connecting plate 49. The front end face of the sixth clamping connecting plate 49 is fixedly provided with a second clamping jaw air cylinder 59, and a piston rod of the second clamping jaw air cylinder 59 is connected with a third clamping plate 60. The second clamping jaw air cylinder 59 drives the third clamping plate 60 to move downwards, and the third clamping plate 60 and the fourth clamping plate 61 are matched to clamp the first piece of leather. When the second linear module 42 drives the second clamping jaw to move to the discharging plate 19, the rotating motor 58 drives the second clamping jaw to rotate 180 degrees, and the captured first leather is turned over.

The material supporting mechanism comprises a fixed plate 69 connected with the frame 1, and a material supporting mounting seat 66 is arranged below the fixed plate 69. The material supporting motor 63 is arranged on the lower side of the material supporting mounting seat 66, and the material supporting motor 63 drives the screw rod 65 to rotate through the material supporting synchronous belt 64. The screw rod 65 is sleeved with a screw nut, and the screw nut is connected with the material supporting plate 62 through a material supporting connecting plate 68. The material supporting motor 63 drives the screw rod 65 to rotate through the material supporting synchronous belt 64, and the screw rod nut drives the material supporting plate 62 to move downwards. The retainer plate 62 is lower than the material discharge plate 19, so that the leather material on the material discharge plate 19 is more flat, and two leather materials can be stacked together flatly.

Two guide rods 67 are arranged on the material supporting mounting seat 66 and are positioned on two sides of the screw rod 65, the guide rods 67 penetrate through the material supporting connecting plate 68, and the guide rods 67 play a role in guiding the material supporting connecting plate 68.

The material receiving mechanism comprises a third linear module 70 connected with the frame 1 above the sewing machine head 77, and one end of the third linear module 70 is provided with a third module motor 71. And a third module sliding block 72 is arranged on the third linear module 70, and the middle part of the third module sliding block 72 is fixedly connected with a third synchronous belt. The third module sliding block 72 is provided with a material receiving cylinder 73, a piston rod of the material receiving cylinder 73 is connected with a material receiving connecting seat 74, and two material receiving suckers 75 are arranged on the material receiving connecting seat 74. The material receiving cylinder 73 drives the material receiving sucker 75 to move downwards to suck the finished product, and the third linear module 70 drives the finished product sucked by the material receiving sucker 75 to be conveyed to a material receiving position.

During processing, the camera 20 shoots the leather on the discharging plate 19, and the system identifies and determines the position information of the leather on the discharging plate 19. The system controls the mechanical arm 2 to drive the feeding mounting plate 3 to move downwards, the feeding sucker 4 is driven to suck the leather materials at the feeding position downwards, and the mechanical arm 2 sends the leather materials sucked by the feeding sucker 4 to the discharging position. When the first piece of leather material and the second piece of leather material are overlapped together, the feeding air cylinder 6 and the first air cylinder 9 drive the first clamping jaw to move, the first clamping jaw clamps the overlapped first piece of leather material and second piece of leather material, and the mechanical arm 2 sends the first piece of leather material and the second piece of leather material clamped by the first clamping jaw to the sewing machine head 77.

After the first piece of leather and the second piece of leather are sewn, the first linear module 22 and the rodless cylinder 33 enable the material suction cup 41 to move to the position above the first piece of leather, and then the second section of lifting cylinder 29 drives the material suction cup 41 to move downwards to suck the first piece of leather. The second linear module 42 and the third air cylinder 56 drive the second clamping jaw to move, and the second clamping jaw grasps the first piece of leather material. The first linear module 22 and the rodless cylinder 33 drive the material suction sucker 41 to move to the position above the second piece of leather, and the second section of lifting cylinder 29 drives the material suction sucker 41 to move downwards to suck the second piece of leather. The first linear module 22 drives the first leather sheet grabbed by the second clamping jaw to be dragged to the material supporting plate 62, and the material sucking suction cup 41 loosens the second leather sheet and turns over the second leather sheet. The material supporting motor 63 drives the material supporting plate 62 to move downwards, so that a third piece of leather can be flatly stacked on a second piece of leather.

The first clamping jaw clamps the second leather sheet and the third leather sheet which are overlapped together, then the leather sheets are conveyed to the sewing machine head 77 through the mechanical arm 2 to be sewn, and the second section of lifting cylinder 29 drives the material suction cup 41 to move downwards to suck up the third leather sheet. The first linear module 22 drives the first leather material grabbed by the second clamping jaw to be dragged to the material supporting plate 62, and the material sucking suction cup 41 loosens the third leather material to turn over the third leather material. The subsequent sewing of the third panel and the fourth panel was the same as described above.

After the third piece of leather and the fourth piece of leather are sewn, the second linear module 42 drives the second clamping jaw to grab the first piece of leather and send the first piece of leather to the last piece of leather. The rotating motor 58 drives the second clamping jaw to rotate, so that the first piece of leather is turned over and placed on the discharging plate 19. The mechanical arm 2 drives the material grabbing component to fold the first piece of leather material and the fourth piece of leather material together and send the first piece of leather material and the fourth piece of leather material to the sewing machine head 77, and the first piece of leather material and the fourth piece of leather material are sewn. Finally, the material receiving cylinder 73 drives the material receiving sucker 75 to move downwards to suck the finished product, and the third linear module 70 delivers the finished product sucked by the material receiving sucker 75 to the material receiving position.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by those skilled in the art without departing from the scope of the present invention.

Claims (7)

1. The utility model provides a can splice steering wheel cover collator of cladding automatically, includes frame (1), installs blowing board (19) and sewing machine head (77) in frame (1), characterized by: a feeding splicing mechanism is arranged above the material placing plate (19), and comprises a mechanical arm (2) and a control module; a feeding mounting plate (3) is mounted at the execution end of the mechanical arm (2), and a plurality of feeding suckers (4) for grabbing leather are mounted on the body of the feeding mounting plate (3); a second feeding connecting plate (8) capable of lifting is arranged at the front end of the feeding mounting plate (3), and first clamping jaws capable of horizontally moving transversely and used for clamping the overlapped edges of two leather materials are arranged at two ends of the second feeding connecting plate (8); the control module comprises a visual identification module for detecting the position of the leather, a calculation module for calculating the position coordinate and the moving stroke of the leather, a grabbing control module for controlling the feeding sucker (4) to work, and a material clamping control module for controlling the first clamping and grabbing.

2. The steering wheel cover sewing machine of claim 1, wherein: two third feeding connecting plates (11) capable of sliding transversely and a first air cylinder (9) used for driving the corresponding third feeding connecting plates (11) to move are mounted on the second feeding connecting plates (8), and the first clamping jaws are connected with the third feeding connecting plates (11).

3. The steering wheel cover sewing machine according to claim 2, characterized in that: the first clamping jaw comprises a clamping jaw connecting seat (15) fixedly connected with a third feeding connecting plate (11), a first clamping plate (16) and a second clamping plate (17) used for clamping the edges of leather, and a first clamping jaw air cylinder (18) used for controlling the clamping of the first clamping plate (16) and the second clamping plate (17).

4. The steering wheel cover sewing machine of claim 3, wherein: the feeding mounting plate (3) is fixedly provided with a feeding cylinder (6) through a feeding cylinder mounting seat (5); and a piston rod of the feeding cylinder (6) is vertically arranged and is connected with the middle part of the second feeding connecting plate (8) through a first feeding connecting plate (7).

5. The steering wheel cover sewing machine of claim 4, wherein: and a calibration plate (21) for positioning is arranged at the front end of the first feeding connecting plate (7).

6. The steering wheel cover sewing machine of claim 1, wherein: the sewing machine head (77) is positioned at one end of the material placing plate (19), and the other end of the material placing plate (19) is provided with a lifting material supporting plate (62); a material sucking mechanism and a rotary material clamping mechanism which are connected with the rack (1) are arranged on one side of the material discharging plate (19); the material suction mechanism comprises a first linear module (22) which is transversely arranged, a first material suction connecting plate (25) which moves along the first linear module (22), and a second material suction connecting plate (26) which can move up and down relative to the first material suction connecting plate (25); the second is inhaled material connecting plate (26) and is installed second section lift cylinder (29) and can go up and down inhale material mounting panel (30), inhale material mounting panel (30) and install and inhale material sucking disc (41).

7. The steering wheel cover sewing machine of claim 6, wherein: the rotary clamping mechanism comprises a module mounting plate (79) arranged on the rack (1), a second linear module (42) is fixed on the module mounting plate (79), and the second linear module (42) is provided with a first clamping connecting plate (44) capable of moving linearly; the first clamping connecting plate (44) is provided with a second lifting clamping connecting plate (45), and the second clamping connecting plate (45) is provided with a fourth clamping connecting plate (47) capable of moving horizontally; the fourth material clamping connecting plate (47) is provided with a rotating motor (58), and a power output shaft of the rotating motor (58) is connected with a second clamping jaw.

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