CN113622095A - Lower hem sewing machine - Google Patents
Lower hem sewing machine Download PDFInfo
- Publication number
- CN113622095A CN113622095A CN202111056014.1A CN202111056014A CN113622095A CN 113622095 A CN113622095 A CN 113622095A CN 202111056014 A CN202111056014 A CN 202111056014A CN 113622095 A CN113622095 A CN 113622095A
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- China
- Prior art keywords
- rotating roller
- sewing machine
- lower hem
- air blowing
- mobile station
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- 238000009958 sewing Methods 0.000 title claims abstract description 67
- 230000001737 promoting Effects 0.000 claims abstract description 3
- 238000007664 blowing Methods 0.000 claims description 47
- 230000005484 gravity Effects 0.000 claims description 25
- 230000000875 corresponding Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 210000001331 Nose Anatomy 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- D05B33/00—Devices incorporated in sewing machines for supplying or removing the work
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
- D05B35/08—Work-feeding or -handling elements not otherwise provided for for ruching, gathering, casing, or filling lace, ribbons, or bindings; Pleating devices; Cuttlers; Gathering feet; Crimpers; Curlers; Rufflers
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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
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B75/00—Frames, stands, tables, or other furniture adapted to carry sewing machines
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2207/00—Use of special elements
- D05D2207/02—Pneumatic or hydraulic devices
- D05D2207/04—Suction or blowing devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2305/00—Operations on the work before or after sewing
- D05D2305/02—Folding
Abstract
The invention discloses a lower hem sewing machine, which comprises a machine table, a sewing machine head, a blanking mechanism, a folding mechanism, a workbench, a mobile table assembly and a clothes supporting mechanism, wherein the sewing machine head, the blanking mechanism, the folding mechanism, the workbench and the mobile table assembly are arranged on the machine table; sliding connection has the mobile device on the board, unloading mechanism is including fixing thing board, fixed connection are put on the mobile device swing arm on the mobile device rotates to be connected be used for on the mobile device to drive swing arm pivoted second drive arrangement, sliding connection are in be used for on the board to the roof with fix be used for promoting on the board to the third drive arrangement of roof. Through setting up unloading mechanism, avoided artifical manual going to take off the clothes from propping clothing mechanism, improved work efficiency.
Description
Technical Field
The invention relates to the field of sewing machines, in particular to a lower hem sewing machine.
Background
The existing lower hem sewing machine needs to fold the lower hem of the clothes to be sewn manually, then the clothes are sleeved on the lower hem sewing machine, and the clothes are taken down manually after sewing is finished. The lower hem can not be folded and leveled by manually folding the lower hem, the folded part is easily staggered on the lower hem sewing machine after folding, the clothes are manually taken down after being folded and sewn, time and labor are wasted, and the work efficiency is low.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
Disclosure of Invention
The invention aims to provide a lower hem sewing machine which can ensure that a lower hem is folded smoothly and can improve the working efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a lower hem sewing machine comprises a machine table, a sewing machine head, a blanking mechanism, a folding mechanism, a workbench, a moving table assembly and a clothes supporting mechanism, wherein the sewing machine head, the blanking mechanism, the folding mechanism, the workbench and the clothes supporting mechanism are arranged on a table board of the machine table;
the clothes supporting mechanism comprises a first rotating roller, a second rotating roller, a first sliding block and a second sliding block, the first sliding block and the second sliding block are respectively connected onto the table board in a sliding mode, the first rotating roller is connected onto the first sliding block in a rotating mode, the second rotating roller is connected onto the second sliding block in a rotating mode, the moving table component is connected onto the position, corresponding to the position between the first rotating roller and the second rotating roller, of the table board in a sliding mode, the workbench is fixedly connected onto the position, corresponding to the position between the first rotating roller and the moving table component, of the table board, and the workbench and the moving table component are located on the same horizontal plane;
the folding mechanism comprises a distance sensor, an air pump and at least three air blowing pipes, wherein the three air blowing pipes are respectively a first air blowing pipe, a second air blowing pipe and a third air blowing pipe, the first air blowing pipe is fixed on one side of the first rotating roller far away from the mobile station component, the air outlet of the first air blowing pipe faces towards the first rotating roller, the second air blowing pipe is fixed between the first rotating roller and the mobile station component, the air outlet of the second air blowing pipe faces towards the lower end face of the mobile station component, the third air blowing pipe is fixed below the mobile station component, the air outlet of the third air blowing pipe faces towards the mobile station component, the distance sensor is fixed on the position of the machine table corresponding to the upper part of the mobile station component, and the sensing end of the distance sensor faces towards the mobile station component, each air blowing pipe is respectively communicated with the air pump;
the machine table is connected with a moving device in a sliding manner, a first driving device for pushing the moving device to slide is fixed on the machine table, and the sliding direction of the moving device is perpendicular to the axial direction of the first rotating roller;
unloading mechanism is including fixing thing board, fixed connection are put on the mobile device swing arm on the mobile device rotates to be connected be used for on the mobile device to drive swing arm wobbling second drive arrangement, sliding connection are in be used for promoting on the board to the roof with fix be used for on the board to the third drive arrangement of roof, to the roof the slip direction with the axial of first rotation roller is parallel to each other, to the roof with put the thing board and be located same horizontal plane, the swing arm is located first rotation roller with to between the roof.
Preferably, the lower hem sewing machine further comprises a support plate rotatably connected to the machine table and a fourth driving device fixed to the machine table and used for driving the support plate to rotate, and the support plate is located below the top abutting plate.
Preferably, the lower hem sewing machine further comprises a deviation rectifying mechanism, the deviation rectifying mechanism comprises a fifth driving device and a plurality of groups of deviation rectifying devices which are rotatably connected to the first rotating roller, the deviation rectifying devices close to the outer surface of the first rotating roller protrude out of the outer surface of the first rotating roller, and the deviation rectifying devices are respectively in transmission connection with the fifth driving device.
Preferably, the deviation correcting mechanism further comprises a reflector arranged close to the first rotating roller and at least three photoelectric switches fixed on the rack, and each photoelectric switch is arranged towards the first rotating roller.
Preferably, the mobile station assembly comprises a first telescopic device fixed on the machine table, a second telescopic device fixed on the machine table, a first mobile station fixedly connected with a telescopic end of the first telescopic device, and a second mobile station fixedly connected with a telescopic end of the second telescopic device, and the first mobile station and the second mobile station both slide along the width direction of the machine table.
Preferably, prop clothing mechanism and still include contact switch, contact strip and gravity strip, contact strip is located contact switch's below, the gravity strip rotates to be connected on the workstation, contact switch fixes on the workstation, the one end fixed connection of contact strip is in on the lower terminal surface of gravity strip, the other end of contact strip with contact switch's response end sets up relatively, just the contact strip is kept away from the one end of gravity strip is worn out the lower terminal surface of workstation.
Preferably, the lower hem sewing machine further comprises a cutter mechanism, wherein the cutter mechanism comprises a cutter body and a cutter driving mechanism, the cutter driving mechanism is fixedly connected to the machine table, the cutter body is fixedly connected to the working end of the cutter driving mechanism, the cutter body is located below the moving table assembly, and the cutting edge of the cutter body faces towards the moving table assembly.
Preferably, prop clothing mechanism still includes first slide rail, first slide rail is followed the length direction of board is fixed on the board, first slider sliding connection is in on the first slide rail.
Preferably, prop clothing mechanism still includes the second slide rail, the second slide rail is followed the length direction of board is fixed on the board, second slider sliding connection is in on the second slide rail.
Preferably, the lower hem sewing machine further comprises a limiting mechanism, and the limiting mechanism is detachably connected to one side, far away from the first rotating roller, of the second sliding rail.
By adopting the design scheme, the invention has the beneficial effects that: the machine table is provided with a first rotating roller and a second rotating roller, the lower hem of clothes to be sewn can be sleeved on the first rotating roller and the second rotating roller, through the arrangement of an air pump and an air blowing pipe, when the first rotating roller and the second rotating roller drive the lower hem of the clothes to rotate, the air blowing pipe which is positioned on one side, away from the moving table assembly, of the first rotating roller blows air towards the first rotating roller, the lower hem of the clothes is unfolded, then the lower hem of the clothes is blown towards the lower part of the moving table assembly through the air blowing pipe between the first rotating roller and the moving table assembly, then the lower hem of the clothes is kept to be tightly attached to the lower end face of the moving table assembly through the air blowing pipe positioned below the moving table assembly, under the driving of the first rotating roller and the second rotating roller, the folded lower hem is moved to the working table to be sewn, through the arrangement of a distance sensor, when the thickness of the clothes above the distance sensor moving table assembly is increased, the lower hem of the clothes on the moving table assembly is sensed After sewing is finished, the moving table assembly can stop supporting the lower hem of the clothes, and the lower hem sewing machine can automatically fold the lower hem of the clothes through the matching of the air pipe, so that the lower hem of the clothes can be folded smoothly; the rack is provided with an object placing plate, a swinging rod and a propping plate, the object placing plate and the propping plate are positioned on the same horizontal plane, the propping plate is used for propping clothes below the first rotating roller against the object placing plate, the clothes sleeved on the first rotating roller and the second rotating roller are separated from the clothes supporting mechanism and placed on the object placing plate through the swinging of the swinging rod, and the propping plate is arranged for ensuring that the clothes fall on the object placing plate; through setting up unloading mechanism, avoided artifical manual going to take off the clothes from propping clothing mechanism, improved work efficiency.
Drawings
FIG. 1 is a schematic view of a lower hem sewing machine according to the present invention;
FIG. 2 is a schematic view of another angle of the lower hem sewing machine of the present invention;
FIG. 3 is a schematic view showing the construction of a second rotating roller of the lower hem sewing machine of the present invention (the outer shell of the second rotating roller is omitted);
FIG. 4 is a partial schematic view of the lower hem sewing machine of the present invention;
FIG. 5 is a schematic structural view of a stop pin of the lower hem sewing machine of the present invention;
in the figure: 10. a machine table 11, a table top 12, a column 13, a cross bar 14, a support plate 20 and a sewing machine head,
30. a workbench 31, a contact switch 32, a contact strip 33, a gravity strip 34, a connecting sheet 35 and a gravity block,
40. a mobile station assembly, 41, a first mobile station, 42, a second mobile station,
51. a first rotating roller 511, a first slide block 52, a second rotating roller 521, a second slide block 53, a deviation rectifying wheel,
61. a gas-blowing pipe is arranged on the upper portion of the air-blowing pipe,
71. an object placing plate 72, a swinging rod 73, a second driving device 74, a propping plate 75, a sliding plate 76 and a supporting rod,
81. external threads 82, a rotating block 83, a clamping block 84, a clamping groove,
a. a photoelectric switch.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The up-down orientation of the present embodiment takes the orientation in which the lower hem sewing machine is placed on a horizontal floor as a reference orientation.
In this embodiment, the position of the first rotating roller is taken as the right side, and the position of the second rotating roller is taken as the left side.
As shown in fig. 1 to 5, a lower hem sewing machine includes a machine table 10, a sewing machine head 20, a blanking mechanism, a folding mechanism, a workbench 30, a moving table assembly 40 and a clothes supporting mechanism arranged on a table top 11 of the machine table 10 for supporting clothes. The sewing machine head 20 is positioned above the workbench 30, the blanking mechanism is positioned at one side of the table top 11, and the folding mechanism is arranged towards the clothes supporting mechanism.
The machine table 10 comprises four upright columns 12, the four upright columns 12 are respectively fixed on the lower end face of the table top 11, a cross rod 13 is connected between every two adjacent upright columns 12, and two ends of the cross rod 13 are respectively and fixedly connected with the two corresponding upright columns 12 in a one-to-one correspondence mode so as to increase the stability of the machine table.
The clothes supporting mechanism comprises a first rotating roller 51, a second rotating roller 52, a first sliding block 511 and a second sliding block 521, wherein the first sliding block 511 and the second sliding block 521 are respectively connected on the table board 11 in a sliding manner, the first rotating roller 51 is connected on the first sliding block 511 in a rotating manner, and the second rotating roller 52 is connected on the second sliding block 521 in a rotating manner.
In this embodiment, the direction perpendicular to the axial direction of the first rotating roller 51 is taken as the longitudinal direction of the machine 10, and the direction parallel to the axial direction of the first rotating roller 51 is taken as the width direction of the machine 10.
The clothes supporting mechanism of the embodiment further comprises a first slide rail, the first slide rail is fixed on the table top 11 along the length direction of the machine table 10, the first slide block 512 is connected to the first slide rail in a sliding manner, and a first motor for driving the first rotating roller 51 to rotate is arranged in the first slide block 512. The first sliding block 512 is slidably connected to the first sliding rail, and the first sliding block 512 can slide through the first sliding rail to change the distance between the first rotating roller 51 and the second rotating roller 52, so that the clothes supporting mechanism can be suitable for clothes with different sizes, and the applicability of the lower hem sewing machine is improved.
The clothes supporting mechanism of the embodiment further comprises a second slide rail, the second slide rail is fixed on the table top 11 along the length direction of the machine table 10, the first slide rail and the second slide rail 521 are on the same straight line, and the second rotating roller 52 is rotatably connected to the second slide block 521. The second slider 521 of the present embodiment is provided with a second motor for driving the second rotating roller 52 to rotate, and the rotating directions of the first motor and the second motor are the same. In this embodiment, a driving motor for driving the second sliding block 521 to slide is further disposed on a side of the second sliding rail 521 away from the second rotating roller 52, and the driving motor is in transmission connection with the second sliding block 521 through a belt.
The second sliding block 521 is driven by the driving motor to slide on the second sliding rail, so that the distance between the first rotating roller 51 and the second rotating roller 52 is changed, the clothes supporting mechanism can be suitable for clothes with different sizes, and the applicability of the lower hem sewing machine is improved.
The movable table assembly 40 is slidably connected to the machine table 10 at a position corresponding to a position between the first rotating roller 51 and the second rotating roller 52, the work table 30 is fixedly connected to the machine table 10 at a position corresponding to a position between the second rotating roller 52 and the movable table assembly 40, and the work table 30 and the movable table assembly 40 are located on the same horizontal plane. In this embodiment, the first rotating roller 51, the table 30, the moving table assembly 40, and the second rotating roller 52 are linearly arranged along the length of the table top 11.
The folding mechanism comprises a distance sensor, an air pump and at least three air blowing pipes 61, wherein the three air blowing pipes 61 are respectively a first air blowing pipe, a second air blowing pipe and a third air blowing pipe, the first air blowing pipe is fixed on one side of the first rotating roller 51 far away from the moving table assembly 40, the air outlet of the first air blowing pipe faces towards the first rotating roller 51, the second air blowing pipe is fixed between the first rotating roller 51 and the moving table assembly 40, the air outlet of the second air blowing pipe faces towards the lower end face of the moving table assembly 40, the third air blowing pipe is located below the moving table assembly 40, and the air outlet of the third air blowing pipe faces towards the moving table assembly 40. In addition to the three blow pipes 61 described above, in this embodiment, one blow pipe 61 is provided above the first rotating roller 51, and the air outlet of the blow pipe 61 is provided toward the first rotating roller 51. The distance sensor is fixed at a position of the machine station 10 corresponding to the upper part of the mobile station assembly 40, and each air blowing pipe 61 is respectively communicated with the air pump.
The folding principle of the folding mechanism is as follows: when the first rotating roller 51 and the second rotating roller 52 drive the lower hem of the clothes to rotate, the first air blowing pipe blows air towards the first rotating roller 51 to unfold the lower hem of the clothes on the first rotating roller, then the air blowing pipe 61 above the first rotating roller 51 blows the lower hem of the clothes downwards, then the second air blowing pipe blows the lower hem of the clothes towards the lower end surface of the moving table assembly 40, finally the third air blowing pipe keeps the lower hem of the clothes tightly attached to the lower end surface of the moving table assembly 40, the moving table assembly 40 can stop supporting the lower hem of the clothes under the driving of the first rotating roller 51 and the second rotating roller 52, the lower hem sewing machine automatically folds the lower hem of the clothes through the matching of the air pipe 61, can ensure that the lower hem of the clothes is folded and leveled.
In this embodiment, the side of the second slide rail away from the first rotating roller 51 is taken as the left side, and the side of the second slide rail away from the second rotating roller 52 is taken as the right side.
The machine table 10 is slidably connected with a moving device, a first driving device for pushing the moving device to slide is fixed on the machine table 10, and the sliding direction of the moving device is perpendicular to the axial direction of the first rotating roller 51.
The blanking mechanism comprises a placing plate 71 fixed on the moving device, a swing rod 72 fixedly connected to the moving device, a second driving device 73 rotatably connected to the moving device and used for driving the swing rod 72 to swing, a top abutting plate 74 slidably connected to the machine table 10 and a third driving device fixed on the lower end face of the table top 11 and used for pushing the top abutting plate 74, the sliding direction of the top abutting plate 74 is parallel to the axial direction of the first rotating roller 51, the top abutting plate 74 and the placing plate 71 are located on the same horizontal plane, the placing plate 71 is located on the left side of the top abutting plate 74 before the blanking mechanism starts to work, and the swing rod 72 is located between the first rotating roller 51 and the top abutting plate 74.
The first, second and third driving means of the present embodiment are all conventional cylinder means.
In the present embodiment, the machine 10 uses one side provided with the object placing plate 71 as the front side and the other side as the rear side.
The moving means in this embodiment comprises a sliding plate 75, a support bar 76 and a vertical bar.
The cross rod 13 located on one side in front of the machine station 10 and arranged along the length direction of the machine station 10 is provided with a conventional slide rail, the sliding plate 75 is connected to the slide rail in a sliding manner, the support rod 76 is fixedly connected to the upper end surface of the sliding plate 75, the lower end surface of the object placing plate 71 is fixedly connected to the upper end of the support rod 76, and a cylinder piston rod of the first driving device is rotatably connected to the lower end surface of the sliding plate 75. The second driving device 73 is rotatably connected to the sliding plate 75, the vertical rod is fixedly connected to the sliding plate 75, the vertical rod is rotatably connected to a first transmission rod, a cylinder piston rod of the second driving device is rotatably connected to one end of the first transmission rod, the swinging rod 72 is fixedly connected to the other end of the first transmission rod, the swinging rod 72 is located below the first rotating roller 51, the first transmission rod is driven to rotate through the second driving device, and the swinging rod 72 is driven to rotate around the first transmission rod through the first transmission rod in the radial direction. The third driving device is fixed on the lower end surface of the table top 11, and a cylinder piston rod of the third driving device is rotatably connected with the abutting plate 74.
The working principle of the blanking mechanism is as follows: one end of the clothes sleeved on the clothes supporting mechanism sags to the lower side of the abutting plate 74, the first driving device drives the sliding plate 75 and the swinging rod 72 to slide towards the abutting plate 74 until the article placing plate 71 is located right ahead of the abutting plate 74, at the moment, the swinging rod 72 is just located on one side, close to the first rotating roller 51, of the clothes, the third driving device drives the abutting plate 74 to move towards the direction away from the machine station 10 until the abutting plate 74 abuts against one end of the clothes on the article placing plate 71, the swinging rod 72 swings towards the direction away from the table board 11, so that the clothes sleeved on the clothes supporting mechanism are separated from the clothes supporting mechanism and placed on the article placing plate 71, and the abutting plate 74 is arranged to abut against one end of the clothes on one side of the article placing plate 71 to ensure that the blanking mechanism can accurately separate the clothes from the clothes supporting mechanism and place the article placing plate 71.
The blanking mechanism of the embodiment can also be applied to other conventional sewing machines.
In a preferred mode of this embodiment, the lower hem sewing machine further includes a supporting plate 14 rotatably connected to the machine table 10 and a fourth driving device fixed on the machine table 10 for driving the supporting plate 14 to rotate, and the supporting plate 14 is located below the top-abutting plate 74. The fourth drive arrangement of this embodiment can adopt conventional cylinder, the piston rod of cylinder rotates with the one end of a swing piece to be connected, the middle part of swing piece is rotated and is connected on the lower terminal surface of mesa 11, the other end that the swing is fast is fixed with the second transfer line, the both ends of second transfer line respectively with one side fixed connection of backup pad 14, set up backup pad 14 through the below at second live-rollers 52, so that the cover is established and can be arranged in backup pad 14 in the one end of the clothes of propping the clothing mechanism, avoid the clothes because of gravity from propping the clothing mechanism and landing. When the blanking mechanism is activated, the support plate 14 rotates away from the table top 11 to make the clothes naturally droop, so that the top plate 74 can support the clothes on the object placing plate 71.
In a preferred mode of this embodiment, the lower hem sewing machine further comprises a deviation rectifying mechanism, the deviation rectifying mechanism comprises a fifth driving device and a plurality of groups of deviation rectifying devices rotatably connected to the first rotating roller 51, the deviation rectifying devices close to the outer surface of the first rotating roller 51 protrude out of the outer surface of the first rotating roller 51, and the deviation rectifying devices are respectively in transmission connection with the fifth driving device; each group of the deviation rectifying devices of this embodiment comprises 5 deviation rectifying wheel groups sequentially arranged along the length direction of the second rotating roller 52, each group of the deviation rectifying wheel groups comprises two deviation rectifying wheels 53 engaged with each other, one of the deviation rectifying wheels 53 is positioned inside the second rotating roller 52 and engaged with the worm of the fifth driving device, and the other deviation rectifying wheel 53 close to the outer surface of the first rotating roller 51 protrudes out of the outer surface of the first rotating roller 51. The second rotating roller 52 is provided with the deviation rectifying wheel 53, so that the lower hem of the clothes can be driven to move on the second rotating roller 52 through the rotation of the deviation rectifying wheel 53, and the relative position of the lower hem of the clothes and the second rotating roller 52 can be conveniently adjusted according to sewing requirements. The fifth driving means of the present embodiment may employ a conventional worm motor.
The embodiment also provides another deviation rectifying mechanism, which comprises a fifth driving device, and a plurality of deviation rectifying belts and rotating wheels which are rotatably connected to the first rotating roller 51, wherein the deviation rectifying belts which are close to the outer surface of the first rotating roller 51 protrude out of the outer surface of the first rotating roller 51, and the deviation rectifying belts are respectively in transmission connection with the fifth driving device. The transmission connection mode of each deviation correcting belt and the fifth driving device is as follows: the deviation correcting belt is sleeved on the two rotating connecting rods, two gears are fixedly connected to two ends of each rotating connecting rod respectively, the two gears are meshed with the two rotating wheels in a one-to-one corresponding mode, and the two rotating wheels are meshed with the worm of the fifth driving device respectively.
In a preferred mode of this embodiment, the deviation correcting mechanism further includes a reflector (not shown in the figure) disposed near the first rotating roller 51 and at least three photoelectric switches a fixed on the frame, and each photoelectric switch a is disposed opposite to the reflector; the reflective plate of this embodiment is fixed to the first slider 512. The deviation rectifying mechanism of the embodiment comprises four photoelectric switches a, wherein one photoelectric switch a is fixed on one side of the first sliding block 512 close to the first rotating roller 51, the other three photoelectric switches a are fixed on the second sliding block 521, one photoelectric switch a irradiates on the position of the reflecting plate close to the first sliding block 512, and when the clothes swings downwards to the position, the photoelectric switch a is blocked, and then the deviation rectifying mechanism is started to rotate towards the direction far away from the first sliding block 512; one of the photoelectric switches a irradiates on the position of the reflector close to the first rotating roller 51, and when the lower hem of the garment moves out of the position, the photoelectric switch a irradiates on the reflector, and then the deviation correcting mechanism is started to rotate towards the direction close to the first sliding block 512; the other two photoelectric switches are irradiated on the middle position of the light-emitting plate a corresponding to the irradiation positions of the other two photoelectric switches a and used for adjusting the deviation rectifying distance according to the sewing requirement of the lower hem of the clothes; the dotted line shown in the figure is a virtual irradiation line of the photoelectric switch a and the distance sensor, and does not exist in reality. The embodiment further comprises a control end, and each photoelectric switch a is respectively and electrically or wirelessly connected with the control end. The four photoelectric switches a are arranged, so that the positions of the clothes sleeved on the second rotating roller 52 can be detected through the photoelectric switches a, a detection signal is sent to the control end, and the deviation rectifying mechanism is controlled to work through the control end. The control terminal here refers to a conventional control chip, a conventional computer terminal, etc.
In a preferred mode of this embodiment, the mobile station assembly 40 includes a first telescopic device fixed on the machine station 10, a second telescopic device fixed on the machine station 10, a first mobile station 41 fixedly connected to a telescopic end of the first telescopic device, and a second mobile station 42 fixedly connected to a telescopic end of the second telescopic device, where the first mobile station 41 and the second mobile station 42 both slide along a width direction of the machine station 10; the first and second expansion devices of the present embodiment may employ conventional air cylinders. Manner of use of the mobile station assembly 40: after the distance sensor detects that the lower hem of the clothes changes, the first moving table 41 moves in the direction away from the object placing plate 71, the second moving table 42 continues to support the clothes, and when the abutting plate 74 abuts the clothes on the object placing plate 71, the second moving table 42 moves in the direction away from the object placing plate 71.
In a preferred mode of this embodiment, the clothes-supporting mechanism further includes a contact switch 31, a contact bar 32 and a gravity bar 33, wherein the contact bar 32 is located below the contact switch 31, and the gravity bar is rotatably connected to the worktable 30.
The workstation 30 of this embodiment is including fixing the connection piece 34 in the below of the workstation of sewing machine aircraft nose 20, and the one end of gravity strip 33 is rotated and is connected on connection piece 34, and contact switch 31 fixed connection is on the connection piece 34 of workstation 30, and the one end fixed connection of contact strip 32 is on gravity strip 33, and the other end of contact strip 32 sets up with contact switch 31's response end relatively, and contact strip 32 keeps away from the lower terminal surface that the workstation 30 was worn out to the one end of gravity strip 33. The connecting piece 34 of this embodiment is further rotatably connected with a gravity block 35 above the gravity bar 33, one end of the gravity block 35 is rotatably connected to the connecting piece 34, the other end of the gravity block 35 abuts against the gravity bar 33, the connecting piece 34 is provided with a notch through which the contact bar 32 penetrates, one end of the contact bar 32, which is far away from the gravity bar 33, is located below the notch, the gravity block 35 abuts against the gravity bar 33 so that the gravity bar 33 drives the contact bar 32 to penetrate through the notch of the connecting piece 34 downwards, when the clothes are gradually unfolded by the clothes unfolding mechanism, the lower hem of the clothes drives the contact strip 32 below the gap to move upwards, when the contact bar 32 touches the contact switch 31, the second rotating roller 52 stops sliding, and when the contact bar 32 and the contact switch 31 are arranged to sleeve clothes with different sizes on the clothes supporting mechanism, the contact switch 31 is touched by the contact strip 32 to enable the clothes supporting mechanism to support the clothes to a degree suitable for hem sewing.
The clothes supporting mechanism of the embodiment can also be applied to other conventional sewing machines.
The preferred mode of this embodiment, this lower hem sewing machine still includes stop gear, stop gear can dismantle the connection and keep away from one side of second live-rollers 52 at first slide rail 511, stop gear includes spacer pin and a plurality of connecting holes (not shown in the figure) that distribute along the length direction of first slide rail 511, the spacer pin is connected on the connecting hole that corresponds according to the fixed position of first slider 512, be equipped with interior screw thread section on the pore wall of each connecting hole, be equipped with on the outer wall of the lower extreme of spacer pin and be used for dismantling external screw thread 81 of connection on the connecting hole, the middle part interlude of spacer pin has the slip member, sliding connection has turning block 82 on the slip member, the lower extreme integrated into one piece of turning block 82 has two fixture blocks 83, the below fixedly connected with of turning block 82 supports the kicking block, it is formed with two draw-in grooves 84 to support the kicking block, turning block 82 can rotate on the slip member and make two fixture blocks 83 and two draw-in groove 84 one-to-one joint. When the first sliding block 512 slides to a position required by production, the limiting pin is connected to the corresponding connecting hole, the rotating block 82 is pulled upwards to enable the clamping block 83 to be separated from the clamping groove 84, the lower end of the rotating block 82 is abutted against the upper end of the abutting block through rotation, and the first sliding block 512 is prevented from being separated from the first sliding rail 511 by arranging the limiting mechanism on the first sliding rail 511.
In a preferred mode of this embodiment, the lower hem sewing machine further includes a cutter mechanism, the cutter mechanism includes a cutter body and a cutter driving mechanism, the cutter driving mechanism is fixedly connected to the machine table 10, the cutter body is fixedly connected to the working end of the cutter driving mechanism, the cutter body is located below the moving table assembly 40, and the cutting edge of the cutter body faces the moving table assembly 40. By arranging the cutter mechanism, the needle and the thread on the lower hem of the clothes can be cut off. The cutter driving mechanism of this embodiment is a lead screw stepper motor.
The lower hem sewing machine has the use mode that: the clothes are sleeved on the clothes supporting mechanism, the first rotating roller 51 and the second rotating roller 52 rotate under the driving of the motor, the second slider 521 slides towards the direction far away from the first slider 512, when the contact strip 32 touches the contact switch 31, the second rotating roller 52 stops sliding, the folding mechanism folds the lower hem of the clothes through the matching of the four air blowing pipes 61, the sewing machine head 20 starts to sew the lower hem of the clothes when the contact strip 32 touches the contact switch 31 under the driving of the lower hem of the clothes, in the sewing process of the clothes, the deviation correcting device can adjust the position of the clothes, and the clothes are placed on the object placing plate 71 through the blanking mechanism after the sewing of the clothes is completed.
In conclusion, the lower hem of the clothes can be automatically folded by the lower hem sewing machine, so that the lower hem is guaranteed to be folded and smooth, automatic blanking can be realized, and the working efficiency of the lower hem sewing machine is effectively improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A lower hem sewing machine characterized in that: the sewing machine comprises a machine table, a sewing machine head, a blanking mechanism, a folding mechanism, a workbench, a mobile table assembly and a clothes supporting mechanism, wherein the sewing machine head, the blanking mechanism, the folding mechanism, the workbench and the clothes supporting mechanism are arranged on a table board of the machine table;
the clothes supporting mechanism comprises a first rotating roller, a second rotating roller, a first sliding block and a second sliding block, the first sliding block and the second sliding block are respectively connected onto the table board in a sliding mode, the first rotating roller is connected onto the first sliding block in a rotating mode, the second rotating roller is connected onto the second sliding block in a rotating mode, the moving table component is connected onto the position, corresponding to the position between the first rotating roller and the second rotating roller, of the table board in a sliding mode, the workbench is fixedly connected onto the position, corresponding to the position between the first rotating roller and the moving table component, of the table board, and the workbench and the moving table component are located on the same horizontal plane;
the folding mechanism comprises a distance sensor, an air pump and at least three air blowing pipes, wherein the three air blowing pipes are respectively a first air blowing pipe, a second air blowing pipe and a third air blowing pipe, the first air blowing pipe is fixed on one side of the first rotating roller far away from the mobile station component, the air outlet of the first air blowing pipe faces towards the first rotating roller, the second air blowing pipe is fixed between the first rotating roller and the mobile station component, the air outlet of the second air blowing pipe faces towards the lower end face of the mobile station component, the third air blowing pipe is fixed below the mobile station component, the air outlet of the third air blowing pipe faces towards the mobile station component, the distance sensor is fixed on the position of the machine table corresponding to the upper part of the mobile station component, and the sensing end of the distance sensor faces towards the mobile station component, each air blowing pipe is respectively communicated with the air pump;
the machine table is connected with a moving device in a sliding manner, a first driving device for pushing the moving device to slide is fixed on the machine table, and the sliding direction of the moving device is perpendicular to the axial direction of the first rotating roller;
unloading mechanism is including fixing thing board, fixed connection are put on the mobile device swing arm on the mobile device rotates to be connected be used for on the mobile device to drive swing arm pivoted second drive arrangement, sliding connection are in be used for promoting on the board to the roof with fix be used for on the board to the third drive arrangement of roof, to the roof the slip direction with the axial of first rotation roller is parallel to each other, to the roof with put the thing board and be located same horizontal plane, the swing arm is located first rotation roller with to between the roof.
2. The lower hem sewing machine according to claim 1, wherein: the lower hem sewing machine further comprises a support plate which is rotatably connected to the machine table and a fourth driving device which is fixed to the machine table and used for driving the support plate to rotate, and the support plate is located below the abutting plate.
3. The lower hem sewing machine according to claim 1, wherein: the lower hem sewing machine further comprises a deviation rectifying mechanism, the deviation rectifying mechanism comprises a fifth driving device and a plurality of groups of deviation rectifying devices which are rotatably connected to the first rotating roller, the deviation rectifying devices close to the outer surface of the first rotating roller respectively protrude out of the outer surface of the first rotating roller, and the deviation rectifying devices are respectively in transmission connection with the fifth driving device.
4. A lower hem sewing machine according to claim 3, characterized in that: the deviation rectifying mechanism further comprises a reflecting plate arranged close to the first rotating roller and at least three photoelectric switches fixed on the rack, and each photoelectric switch is arranged towards the first rotating roller.
5. The lower hem sewing machine according to claim 1, wherein: the mobile station assembly comprises a first telescopic device fixed on the machine table, a second telescopic device fixed on the machine table, a first mobile station fixedly connected with the telescopic end of the first telescopic device and a second mobile station fixedly connected with the telescopic end of the second telescopic device, and the first mobile station and the second mobile station both slide along the width direction of the machine table.
6. The lower hem sewing machine according to claim 1, wherein: prop clothing mechanism still includes contact switch, contact strip and gravity strip, the contact strip is located contact switch's below, the gravity strip rotates to be connected on the workstation, contact switch fixes on the workstation, the one end fixed connection of contact strip is in on the lower terminal surface of gravity strip, the other end of contact strip with contact switch's response end sets up relatively, just the contact strip is kept away from the one end of gravity strip is worn out the lower terminal surface of workstation.
7. The lower hem sewing machine according to claim 1, wherein: this lower hem sewing machine still includes cutter mechanism, cutter mechanism includes cutter body and cutter actuating mechanism, cutter actuating mechanism fixed connection be in on the board, cutter body fixed connection be in on cutter actuating mechanism's the work end, cutter body is located the below of moving table subassembly, just the cutting edge orientation of cutter body the moving table subassembly.
8. The lower hem sewing machine according to claim 1, wherein: prop clothing mechanism still includes first slide rail, first slide rail is followed the length direction of board is fixed on the board, first slider sliding connection is in on the first slide rail.
9. The lower hem sewing machine according to claim 1 or 8, characterized in that: the clothes supporting mechanism further comprises a second sliding rail, the second sliding rail is fixed to the machine table along the length direction of the machine table, and the second sliding block is connected to the second sliding rail in a sliding mode.
10. The lower hem sewing machine of claim 9, wherein: the lower hem sewing machine further comprises a limiting mechanism, and the limiting mechanism is detachably connected to one side, far away from the first rotating roller, of the second sliding rail.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111056014.1A CN113622095A (en) | 2021-09-09 | 2021-09-09 | Lower hem sewing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111056014.1A CN113622095A (en) | 2021-09-09 | 2021-09-09 | Lower hem sewing machine |
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| CN113622095A true CN113622095A (en) | 2021-11-09 |
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