CN112877919A - Multi-needle flat type chain stitch sewing machine - Google Patents
Multi-needle flat type chain stitch sewing machine Download PDFInfo
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- CN112877919A CN112877919A CN202110048430.0A CN202110048430A CN112877919A CN 112877919 A CN112877919 A CN 112877919A CN 202110048430 A CN202110048430 A CN 202110048430A CN 112877919 A CN112877919 A CN 112877919A
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- fabric
- workbench
- sewing machine
- driving roller
- groove
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
- D05B1/08—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making multi-thread seams
- D05B1/12—Lock-stitch seams
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/10—Work-feeding means with rotary circular feed members
- D05B27/18—Feed cups
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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
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06G—MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES
- D06G1/00—Beating, brushing, or otherwise mechanically cleaning or pressure cleaning carpets, rugs, sacks, hides, or other skin or textile articles or fabrics
Abstract
The invention relates to the technical field of interlocking seam sewing machines, in particular to a multi-needle flat interlocking seam sewing machine, which comprises a sewing machine body; the device also comprises a workbench, support legs, a guide mechanism, a protective shell and a controller; the workbench is positioned above the support legs and fixedly connected with the support legs, the upper end of the workbench is fixedly connected with a sewing machine body, and two opposite edges of the workbench are provided with arc chamfers; the guide mechanisms are positioned on two sides of the workbench and comprise fixing plates, driving rollers, driven rollers and motors; the fixed plate is fixedly connected to one side corresponding to the workbench; according to the invention, the guiding mechanism drives the fabric to move on the workbench and is matched with the sewing machine body for sewing the fabric, so that the guiding mechanism can move the sewn fabric, the smoothness of the fabric on the workbench is ensured, the condition that the sewing is interrupted due to fabric wrinkles is prevented, and the stability and quality of sewing the fabric by the multi-needle flat-stitch interlocking sewing machine are further improved.
Description
Technical Field
The invention relates to the technical field of chain stitch sewing machines, in particular to a multi-needle flat type chain stitch sewing machine.
Background
The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material so as to interweave or sew one or more layers of the sewing material; the sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient; and deriving artistic forms such as hand-push embroidery and computer embroidery; due to the defects of the prior art, the sewn fabric needs to be pushed away in the fabric sewing process, the process is complicated, the operation of workers is affected, meanwhile, the smoothness of the sewn fabric in the sewing process is kept, the condition that the sewing is interrupted due to fabric wrinkles is prevented, and the fabric sewing quality is affected.
Some technical solutions related to a multi-needle flat interlocking seam sewing machine have been proposed in the prior art, and for example, a chinese patent with application number CN201010269955.9 discloses a multi-needle flat interlocking seam sewing machine, which has a vertically movable needle on a sewing machine housing, a thread separator horizontally swinging on a cloth placing surface, and a decorative pattern sewn by supplying a decorative thread to an upper surface of a seam, wherein: a fixed thread guide fixed on the sewing machine shell and provided with a first long hole and a second long hole above the thread divider in parallel; the two hook parts are arranged on the deconcentrator side by side and are clamped with the decorative line; this technical means can easily confirm that the three needles are arranged with a predetermined interval on the cloth surface side; however, in the technical scheme, the sewn fabric needs to be pushed away in the fabric sewing process, the process is complicated, the operation of workers is affected, meanwhile, the smoothness of the fabric being sewn in the sewing process is kept, the condition that the sewing is interrupted due to fabric wrinkles is prevented, the fabric sewing quality is affected, and the limitation of the scheme is further caused.
In view of the above, in order to overcome the above technical problems, the present invention provides a multi-needle flat type chain stitch sewing machine, which adopts a special sewing device to solve the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the multi-needle flat-type interlocking seam sewing machine, which drives the fabric to move on the workbench through the guide mechanism and is matched with the sewing machine body to sew the fabric, so that the guide mechanism can move the sewed fabric, the smoothness of the fabric on the workbench is ensured, the condition that the sewing is interrupted due to fabric wrinkles is prevented, and the stability and the quality of sewing the fabric by the multi-needle flat-type interlocking seam sewing machine are improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a multi-needle flat type interlocking seam sewing machine, which comprises a sewing machine body; the device also comprises a workbench, support legs, a guide mechanism protective shell and a controller; the workbench is positioned above the support legs and fixedly connected with the support legs, the upper end of the workbench is fixedly connected with a sewing machine body, and two opposite edges of the workbench are provided with arc chamfers; the guide mechanisms are positioned on two sides of the workbench and comprise fixing plates, driving rollers, driven rollers and motors; the fixed plate is fixedly connected to one side corresponding to the workbench, the part of the fixed plate close to the workbench is rotatably connected with the driving roller, and the part of the fixed plate close to the workbench is also provided with a motor; the output shaft of the motor is fixedly connected with one end of the driving roller, and the motor can drive the driving roller to rotate; the part of the fixing plate far away from the workbench is rotationally connected with a driven roller; the gap between the driving roller and the driven roller can clamp the fabric; the protective shells are fixedly connected to two sides of the workbench and used for protecting the guide mechanism; the controller is used for controlling the multi-needle flat type interlocking seam sewing machine to automatically operate;
when the sewing machine works, due to the defects of the prior art, the sewn fabric needs to be pushed away in the fabric sewing process, the process is complicated, the operation of workers is influenced, meanwhile, the smoothness of the fabric being sewn in the sewing process is kept, the condition that the sewing is interrupted due to fabric wrinkles is prevented, and the fabric sewing quality is further influenced;
therefore, in the invention, after two layers of fabrics are overlapped, one end of the fabric is drawn into one of the guide mechanisms, the fabric is clamped by the driving roller and the driven roller in one of the guide mechanisms, then the fabric is drawn to the position right below the sewing machine body, the controller is started to control the sewing machine body to work, so that the fabric is sewn by the sewing machine body, in the process of sewing, the worker draws the fabric to the other guide mechanism, the fabric is clamped by the driving roller and the driven roller in the other guide mechanism, the controller controls the motor in the guide mechanism to rotate, so that the driving roller in the guide mechanism is driven to rotate by the motor, and the fabric can be clamped by the gap between the driving roller and the driven roller, so that the driving roller can drive the fabric to move under the action of friction force, therefore, the condition that the sewn fabric blocks the unsewn fabric and the sewn fabric is askew is prevented, and only the guide mechanism for clamping the unsewn fabric is needed to be started, so that the guide mechanism drives the fabric to move reversely, and the sewing machine body corrects the unsewn fabric;
according to the invention, the guiding mechanism drives the fabric to move on the workbench and is matched with the sewing machine body for sewing the fabric, so that the guiding mechanism can move the sewn fabric, the smoothness of the fabric on the workbench is ensured, the condition that the sewing is interrupted due to fabric wrinkles is prevented, and the stability and quality of sewing the fabric by the multi-needle flat-stitch interlocking sewing machine are further improved.
Preferably, a rectangular groove is formed in the part, far away from the workbench, of the fixing plate; the rectangular groove is connected with a sliding block in a sliding manner; the driven roller is rotationally connected to the sliding block; a first spring is also arranged in the rectangular groove; one end of the first spring is connected with one groove wall of the rectangular groove, and the other end of the first spring is connected with the sliding block; the sliding block is close to the driving roller under the action of the first spring; when the fabric guide mechanism works, in the process that an operator pulls the fabric to one of the guide mechanisms, the operator needs to stir the driven roller, so that the driven roller drives the sliding block to move away from the driving roller, the driven roller drives the sliding block to slide along the rectangular groove, the sliding block can compress the first spring, a gap between the driven roller and the driving roller is enlarged, the fabric is moved into the gap, the operator loosens the driven roller again, the sliding block is close to the driving roller under the action of the first spring, and the sliding block drives the driven roller to extrude the fabric, so that the fabric is stable under the clamping action of the driven roller and the driving roller; the first spring drives the sliding block to slide along the rectangular groove and the sliding block drives the driven roller to be close to the driving roller to be matched, so that the driving roller and the driven roller in the guide mechanism can clamp fabrics with different thicknesses, the application range of the guide mechanism is expanded, and the practicability of the multi-needle flat chain stitch sewing machine is improved.
Preferably, a groove is formed in the outer wall of the driving roller; the grooves are uniformly distributed on the outer wall of the driving roller, the knocking blocks are connected in the grooves in a sliding mode, and second springs are arranged in the grooves; one end of the second spring is connected with the bottom of the groove, and the other end of the second spring is connected with the knocking block; when the fabric cleaning device works, the motor drives the fixedly connected driving roller to rotate, the driving roller can drive the knocking block to move, so that the driving roller drives the knocking block to be close to the fabric, the driving roller drives the knocking block to knock the fabric, the fabric vibrates under the knocking action of the knocking block, impurities on the fabric fall off under the vibration action, the cleanness of the fabric is further ensured, the impurities are prevented from being mixed between gaps of the two fabrics, the knocking block can overcome the sliding of the second spring along the groove along with the contact of the knocking block and the fabric, the knocking block moves into the groove, and in the process that the driving roller drives the knocking block to be far away from the fabric, the knocking block slides along the groove under the action of the second spring, and the knocking block moves out of the groove; according to the invention, the motor drives the driving roller to rotate and the driving roller drives the knocking block to knock and match the fabric, so that impurities on the fabric fall off under the knocking action, the cleanness of the sewn fabric is further ensured, and the quality of the sewn fabric is improved.
Preferably, a strip-shaped groove is formed in one end, far away from the bottom of the groove, of the knocking block; the section of the strip-shaped groove is V-shaped, and the strip-shaped groove is uniformly distributed at one end of the knocking block; during operation, the drive roll drives the contact force of the knocking block to the fabric to be unchanged, so that the strip-shaped groove is formed in one end of the knocking block, the contact area of the knocking block and the fabric is reduced, the pressure between the knocking block and the fabric is increased, the friction between the knocking block and the fabric is increased, the stability of the fabric driven by the drive roll is improved, the situation that the fabric is slipped in the moving process driven by the drive roll is prevented, and the stability of the multi-needle flat-type chain-stitch sewing machine is improved.
Preferably, the groove wall of the strip-shaped groove is fixedly connected with a U-shaped rod; the U-shaped rods are symmetrically distributed in the strip-shaped grooves, and the openings of the U-shaped rods are arranged towards the wall of the corresponding strip-shaped groove; the during operation, the piece removes the in-process and can drive the excellent removal of U-shaped, thereby make the piece of knocking drive the excellent and contact with the surface fabric of U-shaped, and then make the excellent surface of surface fabric of U-shaped scrape, make the end of a thread of surface fabric surface adhesion scrape away under the excellent effect of U-shaped, make unnecessary end of a thread winding on the surface fabric on the excellent U-shaped, the quality of surface fabric has further been improved, simultaneously, through the bar groove cell wall corresponding with the opening orientation of the excellent U-shaped, the condition that the surface fabric was scraped to the excellent U-shaped is prevented to appear, and then the practicality of the excellent U-shaped has been guaranteed.
Preferably, the knocking block is internally provided with an air hole; one end of the air hole is communicated with one end of the knocking block close to the second spring, and the other end of the air hole is communicated with the bottom of the strip-shaped groove; the during operation, the piece of knocking can overcome No. two springs and slide along the recess after receiving the surface fabric extrusion, make the volume in the recess reduce, because the gas volume in the recess is unchangeable, make the atmospheric pressure increase in the recess, and then make the gas in the recess can enter the gas pocket, at last along the other end blowout of gas pocket, gas of gas pocket other end spun can strike the U-shaped stick, make the end of a thread on the U-shaped stick drop under gaseous impact, and then the cleanliness factor of the U-shaped stick has been guaranteed, and then the practical application effect of the U-shaped stick has been improved, make the practical application effect of chain seam sewing machine of many needles flush type obtain improving.
The invention has the following beneficial effects:
1. according to the invention, the guiding mechanism drives the fabric to move on the workbench and is matched with the sewing machine body for sewing the fabric, so that the guiding mechanism can move the sewn fabric, the smoothness of the fabric on the workbench is ensured, the condition that the sewing is interrupted due to fabric wrinkles is prevented, and the stability and quality of sewing the fabric by the multi-needle flat-stitch interlocking sewing machine are further improved.
2. The first spring drives the sliding block to slide along the rectangular groove and the sliding block drives the driven roller to be close to the driving roller to be matched, so that the driving roller and the driven roller in the guide mechanism can clamp fabrics with different thicknesses, the application range of the guide mechanism is expanded, and the practicability of the multi-needle flat chain stitch sewing machine is improved.
3. According to the invention, the motor drives the driving roller to rotate and the driving roller drives the knocking block to knock and match the fabric, so that impurities on the fabric fall off under the knocking action, the cleanness of the sewn fabric is further ensured, and the quality of the sewn fabric is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the present invention with the protective shell removed;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a left side view of the present invention;
FIG. 5 is an enlarged view at B in FIG. 4;
FIG. 6 is a cross-sectional view of a drive roll of the present invention;
FIG. 7 is an enlarged view at C in FIG. 6;
in the figure: the sewing machine comprises a sewing machine body 1, a workbench 2, supporting legs 3, a guide mechanism 4, a fixing plate 41, a rectangular groove 411, a sliding block 412, a first spring 413, a driving roller 42, a groove 421, a knocking block 422, a second spring 423, a strip-shaped groove 424, a U-shaped rod 425, an air hole 426, a driven roller 43, a motor 44 and a protective shell 5.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the multi-needle flat chain stitch sewing machine according to the present invention includes a sewing machine body 1; the device also comprises a workbench 2, support legs 3, a guide mechanism 4 protective shell 5 and a controller; the workbench 2 is positioned above the support legs 3, the workbench 2 is fixedly connected with the support legs 3, the upper end of the workbench 2 is fixedly connected with the sewing machine body 1, and two opposite edges of the workbench 2 are provided with arc chamfers; the guide mechanisms 4 are positioned at two sides of the workbench 2, and each guide mechanism 4 comprises a fixing plate 41, a driving roller 42, a driven roller 43 and a motor 44; the fixed plate 41 is fixedly connected to one side corresponding to the workbench 2, the part of the fixed plate 41 close to the workbench 2 is rotatably connected with the driving roller 42, and the part of the fixed plate 41 close to the workbench 2 is also provided with a motor 44; an output shaft of the motor 44 is fixedly connected with one end of the driving roller 42, and the motor 44 can drive the driving roller 42 to rotate; the part of the fixing plate 41 far away from the workbench 2 is rotationally connected with a driven roller 43; the fabric can be clamped by a gap between the driving roller 42 and the driven roller 43; the protective shells 5 are fixedly connected to two sides of the workbench 2, and the protective shells 5 are used for protecting the guide mechanism 4; the controller is used for controlling the multi-needle flat type interlocking seam sewing machine to automatically operate;
when the sewing machine works, due to the defects of the prior art, the sewn fabric needs to be pushed away in the fabric sewing process, the process is complicated, the operation of workers is influenced, meanwhile, the smoothness of the fabric being sewn in the sewing process is kept, the condition that the sewing is interrupted due to fabric wrinkles is prevented, and the fabric sewing quality is further influenced;
therefore, in the invention, after two layers of fabrics are overlapped, a worker pulls one end of the fabric into one of the guide mechanisms 4, the fabric is clamped through the driving roller 42 and the driven roller 43 in one of the guide mechanisms 4, and then the fabric is pulled to the position right below the sewing machine body 1, the controller is started to control the sewing machine body 1 to work, so that the fabric is sewn through the sewing machine body 1, in the sewing process of the fabric, the worker pulls the fabric into the other guide mechanism 4, the fabric is clamped through the driving roller 42 and the driven roller 43 in the other guide mechanism 4, the controller controls the motor 44 in the guide mechanism 4 to rotate, so that the driving roller 42 in the guide mechanism 4 is driven to rotate through the motor 44, the fabric can be clamped through the gap between the driving roller 42 and the driven roller 43, and under the action of friction force, therefore, the driving roller 42 can drive the fabric to move, the sewn fabric is prevented from blocking the unsewn fabric, and the fabric is askew sewn in the sewing process, and only the guide mechanism 4 for clamping the unsewn fabric needs to be started, so that the guide mechanism 4 drives the fabric to move reversely, and the askew sewn fabric is corrected by the sewing machine body 1;
according to the invention, the guiding mechanism 4 drives the fabric to move on the workbench 2 and is matched with the sewing machine body 1 for sewing the fabric, so that the guiding mechanism 4 can move the sewn fabric away, the smoothness of the fabric on the workbench 2 is ensured, the condition that the sewing is interrupted due to fabric wrinkles is prevented, and the stability and quality of sewing the fabric by the multi-needle flat chain stitch sewing machine are improved.
As an embodiment of the present invention, a portion of the fixing plate 41 away from the worktable 2 is provided with a rectangular groove 411; the rectangular slot 411 is connected with a sliding block 412 in a sliding mode; the driven roller 43 is rotatably connected to the slider 412; a first spring 413 is further arranged in the rectangular groove 411; one end of the first spring 413 is connected with one groove wall of the rectangular groove 411, and the other end of the first spring is connected with the sliding block 412; the sliding block 412 is close to the driving roller 42 under the action of a first spring 413; when the fabric guide mechanism works, in the process that a worker pulls the fabric to one of the guide mechanisms 4, the worker needs to stir the driven roller 43, so that the driven roller 43 drives the sliding block 412 to move away from the driving roller 42, the driven roller 43 drives the sliding block 412 to slide along the rectangular groove 411, the sliding block 412 can compress the first spring 413, a gap between the driven roller 43 and the driving roller 42 is increased, the fabric is moved into the gap, the worker loosens the driven roller 43, the sliding block 412 is close to the driving roller 42 under the action of the first spring 413, and the sliding block 412 drives the driven roller 43 to extrude the fabric, so that the fabric is stable under the clamping effect of the driven roller 43 and the driving roller 42; according to the invention, the first spring 413 drives the sliding block 412 to slide along the rectangular groove 411 and the sliding block 412 drives the driven roller 43 to be close to the driving roller 42, so that the driving roller 42 and the driven roller 43 in the guide mechanism 4 can clamp fabrics with different thicknesses, the application range of the guide mechanism 4 is enlarged, and the practicability of the multi-needle flat-type chain stitch sewing machine is improved.
As an embodiment of the present invention, a groove 421 is provided on an outer wall of the drive roller 42; the grooves 421 are uniformly distributed on the outer wall of the driving roller 42, the knocking blocks 422 are connected in the grooves 421 in a sliding manner, and second springs 423 are arranged in the grooves 421; one end of the second spring 423 is connected with the bottom of the groove 421, and the other end is connected with the striking block 422; when the fabric cleaning device works, the motor 44 drives the fixedly connected driving roller 42 to rotate, the driving roller 42 drives the knocking block 422 to move, so that the driving roller 42 drives the knocking block 422 to be close to the fabric, the driving roller 42 drives the knocking block 422 to knock the fabric, the fabric vibrates under the knocking action of the knocking block 422, impurities on the fabric fall off under the vibration action, the cleanness of the fabric is further ensured, the impurities are prevented from being mixed between gaps of the two fabrics, after the knocking block 422 is contacted with the fabric, the knocking block 422 overcomes the second spring 423 and slides along the groove 421, the knocking block 422 moves into the groove 421, and in the process that the driving roller 42 drives the knocking block 422 to be far away from the fabric, the knocking block 422 slides along the groove 421 under the action of the second spring 423, and the knocking block 422 moves out of the groove 421; according to the invention, the motor 44 drives the driving roller 42 to rotate, and the driving roller 42 drives the knocking block 422 to knock and match the fabric, so that impurities on the fabric fall off under the knocking action, the cleanness of the sewn fabric is further ensured, and the quality of the sewn fabric is improved.
As an embodiment of the present invention, a strip-shaped groove 424 is disposed at one end of the knock block 422 away from the bottom of the groove 421; the section of the strip-shaped groove 424 is in a V shape, and the strip-shaped groove 424 is uniformly distributed at one end of the knocking block 422; during operation, the drive roll 42 drives the knocking block 422 to keep unchanged the contact force of the fabric, so that the strip-shaped groove 424 is arranged at one end of the knocking block 422, the contact area between the knocking block 422 and the fabric is reduced, the pressure between the knocking block 422 and the fabric is increased, the friction between the knocking block 422 and the fabric is increased, the stability of the drive roll 42 driving the fabric is improved, the situation that the drive roll 42 driving the fabric to slip in the moving process is prevented, and the stability of the multi-needle flat chain stitch sewing machine is improved.
As an embodiment of the present invention, a U-shaped bar 425 is fixedly connected to a wall of the strip-shaped groove 424; the U-shaped rods 425 are symmetrically distributed in the strip-shaped grooves 424, and the openings of the U-shaped rods 425 are arranged towards the groove walls of the corresponding strip-shaped grooves 424; the during operation, the piece 422 that strikes removes the in-process and can drive U-shaped stick 425 and remove, thereby make the piece 422 that strikes drive U-shaped stick 425 and contact with the surface fabric, and then make U-shaped stick 425 scrape on the surface of surface fabric, make the end of a thread of surface fabric surface adhesion scrape away under the effect of U-shaped stick 425, make unnecessary end of a thread winding on the surface fabric on U-shaped stick 425, the quality of surface fabric has further been improved, and simultaneously, through the corresponding bar groove 424 cell wall of the opening orientation with U-shaped stick 425, the condition that U-shaped stick 425 scraped the surface fabric bad is prevented to appear, and then the practicality of U-shaped stick 425 has been guaranteed.
As an embodiment of the present invention, the inside of the knock block 422 is provided with an air hole 426; one end of the air hole 426 is communicated with one end of the knocking block 422 close to the second spring 423, and the other end of the air hole 426 is communicated with the bottom of the strip-shaped groove 424; during operation, knock block 422 receives and can overcome No. two springs 423 after the surface fabric extrusion and slide along recess 421, make the volume in the recess 421 reduce, because the gas volume in the recess 421 is unchangeable, make the atmospheric pressure increase in the recess 421, and then make the gas in the recess 421 can get into in the gas pocket 426, at last along the other end blowout of gas pocket 426, gas pocket 426 other end spun gas can strike U-shaped stick 425, make the end of a thread on the U-shaped stick 425 and drop under gaseous impact, and then guaranteed the cleanliness factor of U-shaped stick 425, and then improved the practical application effect of U-shaped stick 425, make the practical application effect of chain seam sewing machine of multi-needle flush type obtain improving.
When the sewing machine works, after two layers of fabrics are overlapped, a worker pulls one end of the fabrics into one of the guide mechanisms 4, the fabrics are clamped through the driving roller 42 and the driven roller 43 in one of the guide mechanisms 4, then the fabrics are pulled to be right below the sewing machine body 1, the controller is started to control the sewing machine body 1 to work, so that the fabrics are sewn through the sewing machine body 1, in the sewing process of the fabrics, the worker pulls the fabrics into the other guide mechanism 4, the fabrics are clamped through the driving roller 42 and the driven roller 43 in the other guide mechanism 4, the controller controls the motor 44 in the guide mechanism 4 to rotate, so that the driving roller 42 in the guide mechanism 4 is driven to rotate through the motor 44, the fabrics can be clamped through the gap between the driving roller 42 and the driven roller 43, and under the action of friction force, therefore, the driving roller 42 can drive the fabric to move, the sewn fabric is prevented from blocking the unsewn fabric, and the fabric is askew sewn in the sewing process, and only the guide mechanism 4 for clamping the unsewn fabric needs to be started, so that the guide mechanism 4 drives the fabric to move reversely, and the askew sewn fabric is corrected by the sewing machine body 1; in the process that a worker pulls the fabric to one of the guide mechanisms 4, the worker needs to stir the driven roller 43, so that the driven roller 43 drives the sliding block 412 to move away from the driving roller 42, the driven roller 43 drives the sliding block 412 to slide along the rectangular groove 411, the sliding block 412 can compress the first spring 413, a gap between the driven roller 43 and the driving roller 42 is increased, the fabric moves into the gap, the worker loosens the driven roller 43 again, the sliding block 412 is close to the driving roller 42 under the action of the first spring 413, and the sliding block 412 drives the driven roller 43 to extrude the fabric, so that the fabric is stable under the clamping effect of the driven roller 43 and the driving roller 42; in the process that the motor 44 drives the fixedly connected driving roller 42 to rotate, the driving roller 42 drives the knocking block 422 to move, so that the driving roller 42 drives the knocking block 422 to be close to the fabric, the driving roller 42 drives the knocking block 422 to knock the fabric, the fabric vibrates under the knocking action of the knocking block 422, impurities on the fabric fall off under the vibration action, the cleanness of the fabric is further ensured, the impurities are prevented from being mixed between gaps of the two fabrics, after the knocking block 422 is contacted with the fabric, the knocking block 422 overcomes the second spring 423 and slides along the groove 421, the knocking block 422 moves into the groove 421, and in the process that the driving roller 42 drives the knocking block 422 to be far away from the fabric, the knocking block 422 slides along the groove 421 under the action of the second spring 423, and the knocking block 422 moves out of the groove 421; the contact force of the driving roller 42 driving the knocking block 422 to the fabric is unchanged, so that the strip-shaped groove 424 is formed in one end of the knocking block 422, the contact area of the knocking block 422 and the fabric is reduced, the pressure between the knocking block 422 and the fabric is increased, the friction between the knocking block 422 and the fabric is increased, the stability of the driving roller 42 driving the fabric is improved, the situation that the driving roller 42 drives the fabric to slip in the moving process is prevented, and the stability of the multi-needle flat-stitch chain stitch sewing machine is improved; the knocking block 422 can drive the U-shaped rod 425 to move in the moving process, so that the knocking block 422 drives the U-shaped rod 425 to contact with the fabric, the U-shaped rod 425 scrapes the surface of the fabric, the thread end adhered to the surface of the fabric is scraped away under the action of the U-shaped rod 425, redundant thread ends on the fabric are wound on the U-shaped rod 425, the quality of the fabric is further improved, meanwhile, the U-shaped rod 425 is opened towards the groove wall of the corresponding strip-shaped groove 424, the situation that the fabric is scraped to be damaged by the U-shaped rod 425 is prevented, and the practicability of the U-shaped rod 425 is guaranteed; knock block 422 receives and can overcome No. two spring 423 after the surface fabric extrusion and slide along recess 421, make the volume in the recess 421 reduce, because the gas volume in the recess 421 is unchangeable, make the atmospheric pressure in the recess 421 increase, and then make the gas in the recess 421 can get into in the gas pocket 426, finally spout along the other end of gas pocket 426, gas that the gas pocket 426 other end spun can strike U-shaped stick 425, make the end of a thread on the U-shaped stick 425 drop under gaseous impact, and then guaranteed the cleanliness factor of U-shaped stick 425, and then improved the practical application effect of U-shaped stick 425, make the practical application effect of chain seam sewing machine of many needles flat type obtain improving.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A multi-needle flat type interlocking seam sewing machine comprises a sewing machine body (1); the method is characterized in that: the device also comprises a workbench (2), support legs (3), a guide mechanism (4), a protective shell (5) and a controller; the workbench (2) is positioned above the support legs (3), the workbench (2) is fixedly connected with the support legs (3), the upper end of the workbench (2) is fixedly connected with the sewing machine body (1), and two opposite edges of the workbench (2) are provided with arc chamfers; the guide mechanisms (4) are positioned on two sides of the workbench (2), and each guide mechanism (4) comprises a fixing plate (41), a driving roller (42), a driven roller (43) and a motor (44); the fixed plate (41) is fixedly connected to one side corresponding to the workbench (2), the part of the fixed plate (41) close to the workbench (2) is rotatably connected with the driving roller (42), and the part of the fixed plate (41) close to the workbench (2) is also provided with a motor (44); an output shaft of the motor (44) is fixedly connected with one end of the driving roller (42), and the motor (44) can drive the driving roller (42) to rotate; the part of the fixing plate (41) far away from the workbench (2) is rotationally connected with a driven roller (43); the gap between the driving roller (42) and the driven roller (43) can clamp the fabric; the protective shells (5) are fixedly connected to two sides of the workbench (2), and the protective shells (5) are used for protecting the guide mechanism (4); the controller is used for controlling the multi-needle flat type interlocking seam sewing machine to automatically operate.
2. The multi-needle flat chain stitch sewing machine as defined in claim 1, wherein: a rectangular groove (411) is formed in the part, far away from the workbench (2), of the fixing plate (41); the rectangular groove (411) is connected with a sliding block (412) in a sliding way; the driven roller (43) is rotationally connected to the sliding block (412); a first spring (413) is further arranged in the rectangular groove (411); one end of the first spring (413) is connected with one groove wall of the rectangular groove (411), and the other end of the first spring is connected with the sliding block (412); the sliding block (412) is close to the driving roller (42) under the action of a first spring (413).
3. The multi-needle flat chain stitch sewing machine as defined in claim 2, wherein: a groove (421) is formed in the outer wall of the driving roller (42); the grooves (421) are uniformly distributed on the outer wall of the driving roller (42), the knocking blocks (422) are connected in the grooves (421) in a sliding manner, and second springs (423) are arranged in the grooves (421); one end of the second spring (423) is connected with the groove bottom of the groove (421), and the other end of the second spring is connected with the knocking block (422).
4. A multi-needle flat chain stitch sewing machine as defined in claim 3, wherein: a strip-shaped groove (424) is formed in one end, away from the bottom of the groove (421), of the knocking block (422); the section of the strip-shaped groove (424) is V-shaped, and the strip-shaped groove (424) is uniformly distributed at one end of the knocking block (422).
5. The multi-needle flat chain stitch sewing machine according to claim 4, wherein: the wall of the strip-shaped groove (424) is fixedly connected with a U-shaped bar (425); the U-shaped rods (425) are symmetrically distributed in the strip-shaped grooves (424), and the openings of the U-shaped rods (425) are arranged towards the wall of the corresponding strip-shaped groove (424).
6. The multi-needle flat chain stitch sewing machine as defined in claim 5, wherein: an air hole (426) is formed in the knocking block (422); one end of the air hole (426) is communicated with one end of the knocking block (422) close to the second spring (423), and the other end of the air hole (426) is communicated with the bottom of the strip-shaped groove (424).
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| CN202110048430.0A CN112877919B (en) | 2021-01-14 | 2021-01-14 | Multi-needle flat type chain stitch sewing machine |
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| CN202110048430.0A CN112877919B (en) | 2021-01-14 | 2021-01-14 | Multi-needle flat type chain stitch sewing machine |
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| CN112877919B (en) | 2022-06-14 |
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