CN213172873U - Belt pressing mechanism, sewing machine head and material belt processing system - Google Patents

Abstract

The utility model discloses a belt pressing mechanism, support, the first area subassembly is pressed in the setting on the support, the second of setting on the support is pressed to the area subassembly and is set up on the support or the second is pressed and is pressed the area subassembly of playing on the area subassembly, and the second is pressed the area subassembly and is set up in the place ahead of pressing the area subassembly at first, plays the area subassembly, including playing the area spare and connecting the play area power spare of playing the area spare, play and take power spare to drive and play and control the area spare and remove. Also discloses a sewing machine head comprising the belt pressing mechanism and a material belt processing system. The belt kicking piece can move left and right, the belt is kicked to the belt pressing mechanism and is contracted in the normal position in the process of putting in the belt pressing mechanism, the upper section of the belt does not have a separation blade backstop, the material belt is turned over and is not askew to put, the presser foot is used for pressing and sizing, then the belt kicking piece drives the upper section of the belt to be askew to put, and the shaped material belt is turned over and is not askew to put.

Description

Belt pressing mechanism, sewing machine head and material belt processing system

Technical Field

The utility model relates to a sewing field, in particular to belt pressing mechanism.

Background

The trouser ears are partial structures of the trousers and are used for tying belts. The trouser ears are sewn outside the trouser legs, and particularly, the upper ends and the lower ends of the trouser ears are connected with the outside of the trouser legs; when the belt is tied, the belt passes through the trouser ears.

There is a trouser ear, one end of which is folded longer and is used for being hidden in the trouser head, and the other end of which is folded less. For example, the trouser ears with the longer folded sections are reserved, and referring to fig. 9c, the end folded downwards is the longer end of the trouser ears. In actual production, sewing the part A and the part B; the sewing needle needs to sew the part A from top to bottom, so the upper section of the material belt needs to be left aside.

Before the belt is pressed, the upper section is supported and tilted by the stop lever of the belt feeding and folding assembly. Referring to fig. 8, in the prior art, a blocking piece is designed on a sewing machine set, when a material belt which is turned over and has a tilted upper section is fed into the sewing machine set, the upper section of the material belt is blocked by the blocking piece and is skimmed, then two press feet respectively press a position a and a position B, and then sewing is performed. In the prior art, by adopting the blocking piece mode, a certain oblique pendulum is staggered at the position B (bending position) before the presser foot presses the position B, and oblique pendulum trouser ears are obtained after pressing and sewing. This askew state can be seen in fig. 9 a. The correct state at position B before pressing position B refers to figure 9B, and the correct state after stitching position B refers to figure 9 c.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a belt pressing mechanism can avoid the material to take the askew pendulum of a book department.

The utility model discloses still provide a sewing machine head who has above-mentioned belt pressing mechanism.

According to the utility model discloses a belt pressing mechanism of first aspect embodiment, be in including support, setting first on the support press the area subassembly, set up and be in second on the support is pressed the area subassembly and is set up on the support or play the area subassembly of playing on the area subassembly is pressed to the second, the second is pressed the area subassembly and is set up first press the place ahead of area subassembly, play the area subassembly, including playing the area spare and connecting play the power part of taking, play and take the power part to drive play and take the piece to remove about.

According to the utility model discloses a belt pressing mechanism has following beneficial effect at least: the belt kicking piece can move left and right, the belt is kicked to the belt pressing mechanism and is contracted in the normal position in the process of putting in the belt pressing mechanism, the upper section of the belt does not have a separation blade backstop, the material belt is turned over and is not askew to put, the presser foot is used for pressing and sizing, then the belt kicking piece drives the upper section of the belt to be askew to put, and the shaped material belt is turned over and is not askew to put.

According to some embodiments of the utility model, the first pressure area subassembly includes first cylinder body, lever and first presser foot, set up on the support and be used for connecting the first guide structure of first presser foot, first presser foot is provided with the power hole, the middle part of lever is articulated the support, the one end of lever is passed power hole, the other end is articulated the piston rod of first cylinder body, first cylinder body accessible lever drive first presser foot is followed first guide structure goes up and down.

According to the utility model discloses a some embodiments, be provided with the second guide structure along the fore-and-aft direction on the support, the second is pressed the area subassembly and is connected second guide structure, the second is pressed the area subassembly and can be followed the fore-and-aft direction and keep away from or be close to the first area subassembly of pressing.

According to the utility model discloses a some embodiments, the support includes the backing plate, first press the area subassembly to include first presser foot, the second press the area subassembly to include the second presser foot, the area that is used for pressing the material area of first presser foot, second presser foot and backing plate three is provided with concave-convex structure.

According to some embodiments of the utility model, the support includes base, positioning power spare and positioning frame, first press the area subassembly, the second press the area subassembly and play the area subassembly and set up on the positioning frame, positioning power spare is connected base and positioning frame, positioning power spare can drive positioning frame removes along the fore-and-aft direction.

According to the utility model discloses a sewing machine head of second aspect embodiment, include belt pressing mechanism, still include headstock, sewing mechanism, shake power unit, belt pressing mechanism, sewing mechanism with shake power unit and all set up on the headstock, belt pressing mechanism's leg joint shake power unit, shake power unit can drive belt pressing mechanism horizontal beat shake, sewing mechanism includes the sewing needle and is used for the drive the sewing power spare that the sewing needle goes up and down.

According to the utility model discloses sewing machine head has following beneficial effect at least: the material belt is pressed and shaped under the condition that the turnover part is not askew and cannot be swung in the process of putting the material belt into the sewing machine head, then the upper section of the material belt is driven to be askew and the turnover part of the material belt which is correctly pressed and shaped is sewn, and the correct material belt is obtained by sewing.

The utility model provides a material area system of processing, includes the sewing machine head, still including turning over the area and send the area aircraft nose, turn over the area and send the area aircraft nose and include headstock, slide, send power component mechanism, pin and two smuggle tilting mechanism secretly, slide swing joint is in on the headstock, send power component connection the headstock with the slide, it can drive to send power component the slide is kept away from or is close to the sewing machine head, smuggle tilting mechanism and pin secretly and all set up on the slide, smuggle tilting mechanism secretly and be used for the centre gripping material area and drive the material area and turn over a book, the fender of pin is taken the end and is higher than smuggle tilting mechanism smuggle secretly the end secretly, two smuggle tilting mechanism.

According to some embodiments of the present invention, the clamping and turning mechanism comprises a seat block connected to the sliding seat, a rotating shaft rotatably connected to the seat block, a clamping power member connected to the rotating shaft, a clamping cylinder disposed on the seat block, a clamping block connected to a piston rod of the clamping cylinder, a sleeve connected to the clamping block, and two clamping arms passing through the sleeve, wherein the two clamping arms are arranged in a left-right direction, the two clamping arms are connected to the rotating shaft, the clamping power member is connected to the rotating shaft and is used for driving the two clamping arms to rotate, the sleeve is provided with a first connecting structure surrounding a peripheral wall, the clamping block is provided with a second connecting structure, one of the first connecting structure and the second connecting structure is a groove, the other is a flange connected to the groove, and the clamping cylinder can drive the sleeve to move left and right, so that the two clamping arms are opened and closed.

According to some embodiments of the utility model, two in the arm lock, one is for connecting the fixed arm of pivot, another are the digging arm, the middle part of digging arm is articulated the fixed arm, just the one end of digging arm is connected the sleeve, can drive two when sliding about the sleeve the arm lock opens and shuts.

According to some embodiments of the utility model, the tip of keeping away from its exposed core of arm lock is articulated the pivot, and two be connected with the elastic component between the arm lock, the elastic component is used for driving two the arm lock is opened.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a material strip processing system according to an embodiment of the present invention;

FIG. 2 is a schematic view of a sewing machine head of the tape processing system shown in FIG. 1;

FIG. 3 is a schematic view of the belt press mechanism of the sewing machine head shown in FIG. 2;

FIG. 4 is a schematic view of the belt press mechanism of FIG. 3 from another perspective;

fig. 5 is a first schematic structural diagram of an entrainment turning mechanism of the material belt processing system shown in fig. 1;

FIG. 6 is an exploded view of the entrainment canting mechanism shown in FIG. 5;

fig. 7 is a structural schematic diagram ii of an entrainment turning mechanism of the material strip processing system shown in fig. 1;

FIG. 8 is a flow chart of the processing of the pants ears;

FIG. 9a is a schematic view of the trousers ears with the upper parts tilted after being turned over;

FIG. 9b is a schematic view of the pants ears with the correct folded position after being folded;

FIG. 9c is a schematic view of the pants ears shown in FIG. 9b after sewing.

The sewing machine comprises a sewing machine head 100, a machine head frame 110, a belt pressing mechanism 120, a support 121, a base 1211, an adjusting power piece 1212, an adjusting frame 1213, a first guide structure 1213a, a backing plate 1213b, a first belt pressing assembly 122, a first cylinder 1221, a lever 1222, a first pressure foot 1223, a force applying hole 1223a, a second belt pressing assembly 123, a second cylinder 1231, a second pressure foot 1232, a clearance 1232a, a kicking belt assembly 124, a kicking belt assembly 1241, a kicking belt power piece 1242 and a sewing mechanism 130;

the tape transferring machine comprises a tape transferring machine head 200, a machine head seat 210, a sliding seat 220, a tape transferring power piece mechanism 230, a stop rod 240, an entrainment turning mechanism 250, a seat block 251, a rotating shaft 252, a tape transferring power piece 253, an entrainment cylinder 254, a clamping block 255, a groove 255a, a sleeve 256, a flange 256a, a clamping arm 257, a fixed arm 2571, a movable arm 2572 and an elastic piece 259.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, a belt pressing mechanism 120 according to the first aspect embodiment of the present invention includes a support 121, a first belt pressing component 122 disposed on the support 121, a second belt pressing component 123 disposed on the support 121, and a kicking belt component 124 disposed on the support 121 or on the second belt pressing component 123, wherein the second belt pressing component 123 is disposed in front of the first belt pressing component 122, the kicking belt component 124 includes a kicking belt member 1241 and a kicking belt power member 1242 connected to the kicking belt member 1241, and the kicking belt power member 1242 can drive the kicking belt member 1241 to move left and right.

With structural reference to fig. 1 and 3, the state before the tape is pressed refers to the third state shown in fig. 9b or fig. 8, and when the tape is pressed:

firstly, the tape shown in fig. 9B is fed into the tape pressing mechanism 120, where a position of the tape a corresponds to the first tape pressing assembly 122, a position of the tape B corresponds to the second tape pressing assembly 123, and the tape is fed in place; then, the user can use the device to perform the operation,

the first tape pressing assembly 122 presses the tape A, and the second tape pressing assembly 123 presses the tape B;

subsequently, the kicking power member 1242 drives the kicking member 1241 to move left, and the upper section of the material belt swings left. In the vertical direction, the position of the material belt A is not blocked (that is, the vertical projection of the upper section of the material belt does not cover the position A).

Then sewing the part A and the part B.

According to the utility model discloses a belt pressing mechanism 120 has following beneficial effect at least: the belt kicking piece can move left and right, the belt is kicked to the belt pressing mechanism and is contracted in the normal position in the process of putting in the belt pressing mechanism, the upper section of the belt does not have a separation blade backstop, the material belt is turned over and is not askew to put, the presser foot is used for pressing and sizing, then the belt kicking piece drives the upper section of the belt to be askew to put, and the shaped material belt is turned over and is not askew to put.

In some embodiments of the present invention, the second pressing belt assembly 123 includes a second pressing foot 1232, the second pressing foot 1232 is provided with a clearance 1232a, the opening of the clearance 1232a faces left, and the clearance 1232a can allow the sewing needle to pass through and also can accommodate the clamping end of the clamping arm 257. With reference to the folded tape shown in fig. 9b or fig. 8 in the third state, the front end of the tape can be pressed less. The second presser foot 1232 is provided with a clearance hole 1232a with an opening facing left, when the tape turning and feeding head 200 feeds the tape held by the second presser foot towards the tape pressing mechanism 120, the second presser foot 1232 can press the front end of the tape, the pressing area is large, the pressing is firm, and after the position is pressed, the clamping arm 257 can be pulled away to the left.

In some embodiments of the present invention, the first belt pressing assembly 122 includes a first cylinder 1221, a lever 1222 and a first presser foot 1223, a first guiding structure 1213a for connecting the first presser foot 1223 is disposed on the support 121, the first presser foot 1223 is provided with a force applying hole 1223a, the support 121 is hinged to the middle portion of the lever 1222, one end of the lever 1222 passes through the force applying hole 1223a, the other end of the lever 1222 is hinged to a piston rod of the first cylinder 1221, and the first cylinder 1221 can drive the first presser foot 1223 to ascend and descend along the first guiding structure 1213a through the lever 1222. The first belt pressing assembly 122 is relatively simple in the vertical direction, and relatively fits the arrangement of the belt pressing mechanism 120 extending along the front and back directions. The first cylinder 1221 may be a cylinder, a hydraulic cylinder, or an electric cylinder. The first guide may be a guide rail, a guide bar, a guide groove, and the like.

In some embodiments of the present invention, the bracket 121 is provided with a second guiding structure 1213c along the front-back direction, the second press belt assembly 123 is connected to the second guiding structure 1213c, and the second press belt assembly 123 can be far away from or close to the first press belt assembly 122 along the front-back direction. The distance between the position A and the position B of different trousers ears is different, and the kicking belt component 124 and the second pressing belt component 123 synchronously move and adjust along the front-back direction. The second guide structure 1213c may be a guide rail, a guide bar. A kicker assembly 124 can be disposed on the second push belt assembly 123; alternatively, a second slider is attached to second guide structure 1213c and second pinch belt assembly 123 and kick belt assembly 124 are both disposed on the second slider.

In some embodiments of the present invention, the first presser foot 1223 assembly and the second presser belt assembly 123 are fixed in distance, and the kicker belt assembly 124 is disposed on the bracket 121 or the second presser foot 1232.

In some embodiments of the present invention, the second pressing belt assembly 123 includes a second cylinder 1231 and a second pressing foot 1232 connected to the piston rod of the second cylinder 1231, the second cylinder 1231 is used for driving the second pressing foot 1232 to move up and down, and the kicking belt assembly 124 is disposed on the second pressing foot 1232. The kicking band assembly 124 and the second presser foot 1232 are lifted synchronously, and when the second presser foot 1232 presses the material belt, the kicking band assembly 124 descends for a certain height. The second cylinder 1231 may be a cylinder, a hydraulic cylinder, or an electric cylinder.

In some embodiments of the present invention, the support frame 121 includes a backing plate 1213b, and the area for pressing the material strip of the first presser foot 1223, the second presser foot 1232 and the backing plate 1213b is provided with a concave-convex structure. The first presser foot 1223 and the backing plate 1213B press the material belt a, and the second presser foot 1232 and the backing plate 1213B press the material belt B, so that the material belt is firmly pressed by the concave-convex structure for pressing the material belt. The concave-convex structure can be pattern lines, stripe dents and the like

In some embodiments of the utility model, the support 121 includes base 1211, positioning power component 1212 and positioning frame 1213, and the first pressure of pressing subassembly 122, the second pressure of pressing subassembly 123 and kicking the setting of the subassembly 124 of the subassembly of putting on positioning frame 1213, and positioning power component 1212 connects base 1211 and positioning frame 1213, and positioning power component 1212 can drive positioning frame 1213 and remove along the fore-and-aft direction. In the sewing machine head 100, a sewing mechanism 130 is arranged to sew the part A and the part B in sequence; by moving the positioning frame 1213 back and forth, the a and B of the tape can be driven to correspond alternately to the sewing mechanism 130.

In some embodiments of the present invention, a third guiding structure for connecting the positioning frame 1213 is disposed on the base 1211, and the positioning frame 1213 can slide back and forth along the third guiding structure. The third guiding structure can be a guide rail, a guide rail and the like, and the positioning frame 1213 slides directionally, moves forwards and backwards accurately and is not easy to deflect.

A sewing machine head comprises the belt pressing mechanism 120, a machine head frame 110, a sewing mechanism 130 and a shaking power mechanism, wherein the belt pressing mechanism 120, the sewing mechanism 130 and the shaking power mechanism are all arranged on the machine head frame 110, a support 121 of the belt pressing mechanism 120 is connected with the shaking power mechanism, the shaking power mechanism can drive the belt pressing mechanism 120 to shake in a left-right deflection mode, and the sewing mechanism 130 comprises a sewing needle and a sewing power part used for driving the sewing needle to lift.

The head frame 110 is a frame/housing of the sewing head 100. Generally, the framework is relatively heavy and integrally formed.

The sewing power part can be a cylinder, a hydraulic cylinder, an electric cylinder, or a combination of a motor and a crank sliding block mechanism. The lower end of the headstock 110 is provided with a thread winding assembly corresponding to the sewing needle in a vertical direction; in a sewing machine, a sewing needle hooks a thread and a winding assembly winds the thread.

The shaking power mechanism is arranged on the headstock 110, and the shaking power mechanism can be simply a motor, and is used for driving the belt pressing mechanism 120 to swing left and right in a small range, so that the belt pressing mechanism can shake quickly. The bracket 121 of the belt pressing mechanism 120 is hinged with the headstock 110, and the shaking power mechanism drives the bracket 121 to swing slightly; the shaking power mechanism can be simply a motor, an air cylinder, a hydraulic cylinder, an electric cylinder and the like.

According to the utility model discloses sewing machine head 100 has following beneficial effect at least: the material belt is pressed and shaped under the condition that the turnover part is not askew and cannot be swung in the process of putting the material belt into the sewing machine head, then the upper section of the material belt is driven to be askew and the turnover part of the material belt which is correctly pressed and shaped is sewn, and the correct material belt is obtained by sewing.

Referring to fig. 1, a material strip processing system, including this sewing machine head 100, still include the tape turning over and send the tape head 200, the tape turning over and send the tape head 200 including headstock 210, the slide 220, send tape power component mechanism 230, pin 240 and two smuggle tilting mechanism 250 secretly, slide 220 swing joint is on headstock 210, send tape power component 230 to connect headstock 210 and slide 220, send tape power component can drive slide 220 to keep away from or be close to sewing machine head 100, smuggle tilting mechanism 250 and pin 240 and all set up on slide 220 secretly, smuggle tilting mechanism 250 secretly and be used for centre gripping material strip and drive material strip to turn over, the end of keeping off the tape of pin 240 is higher than smuggle the end secretly of smuggleing tilting mechanism 250 secretly, two smuggle.

The material belt processing system also comprises a belt loading mechanism, a belt pulling mechanism and a belt shearing mechanism. The tape feeding mechanism, the tape cutting mechanism, the tape turning and conveying head 200 and the tape drawing mechanism are sequentially arranged along the front-back direction. The tape feeding mechanism drives the tape to transfer a small section of the tape, then the tape pulling mechanism pulls the small section of the tape, and the tape turning and conveying machine head 200 extends and pulls out a section of the tape; clamping the material belt A and the material belt B by the clamping and overturning mechanism 250, and turning over the material belt B; the tape is then driven to move to the right, feeding the tape into the sewing head 100.

The belt conveying power part mechanism 230 can be simply an air cylinder, a hydraulic cylinder, an electric cylinder and the like, and directly drives the sliding seat 220 to move left and right; or a combined structure of a motor and a screw nut pair, wherein the sliding seat 220 is provided with the screw nut pair, the motor drives the screw to rotate, and the screw drives the sliding seat 220 to move left and right; or a combination structure of a motor and a belt, and the sliding base 220 is connected with one position on the belt.

In some embodiments of the present invention, the clamping belt turning mechanism 250 comprises a seat block 251 connected to the sliding seat 220, a rotating shaft 252 rotatably connected to the seat block 251, a clamping belt power member 253 connected to the rotating shaft 252, a clamping belt cylinder 254 disposed on the seat block 251, the clamping block 255 connected with the piston rod of the entrainment cylinder 254, the sleeve 256 connected with the clamping block 255 and the two clamping arms 257 penetrating through the sleeve 256 are arranged in the left-right direction, the two clamping arms 257 are connected with the rotating shaft 252, the belt turning power piece 253 is connected with the rotating shaft 252 and is used for driving the two clamping arms 257 to rotate, the sleeve 256 is provided with a first connecting structure surrounding the peripheral wall, the clamping block 255 is provided with a second connecting structure, one of the first connecting structure and the second connecting structure is a groove 255a, the other is a flange 256a connected with the groove 255a, the entrainment cylinder 254 can drive the sleeve 256 to move left and right, and the two clamping arms 257 are opened and closed. By driving the two clamping arms 257 to open and close in a sleeve 256 mode, the entrainment cylinder 254 does not need to rotate along with the rotating shaft 252, pipes or wires connected to the entrainment cylinder 254 cannot be frequently twisted, and the pipes or wires are not easy to damage and deform.

The entrainment cylinder 254 may be a pneumatic cylinder, a hydraulic cylinder, and an electric cylinder.

Referring to fig. 5 and 6, in some embodiments of the present invention, one of the two clamping arms 257 is a fixed arm 2571 connected to the rotating shaft 252, the other is a movable arm 2572, the middle portion of the movable arm 2572 is hinged to the fixed arm 2571, and one end of the movable arm 2572 is connected to a sleeve 256, so that the two clamping arms 257 can be driven to open and close when the sleeve 256 slides left and right. Referring to fig. 5 and 6, the moveable arm 2572 is shown coupled to the sleeve 256 by a pin 258.

Referring to fig. 7, in some embodiments of the present invention, the end of the clamping arm 257 away from the clamping end thereof is hinged to the rotating shaft 252, and an elastic member 259 is connected between the two clamping arms 257, where the elastic member 259 is used to drive the two clamping arms 257 to open. Referring to fig. 7, the sleeve 256 moves to the left to release the two clipping arms 257, and the elastic member 259 can drive the two clipping arms 257 to open; the sleeve 256 moves to the right and the two arms 257 are retracted. The elastic member 259 may be a spring, a plastic member, or the like.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims (10)

1. A belt press mechanism, comprising:

a bracket (121);

a first push belt assembly (122) disposed on the holder (121);

a second belt pressing assembly (123) disposed on the holder (121), disposed in front of the first belt pressing assembly (122);

the kicking belt assembly (124) arranged on the support (121) or on the second belt pressing assembly (123) comprises a kicking belt piece (1241) and a kicking belt power piece (1242) connected with the kicking belt piece (1241), and the kicking belt power piece (1242) can drive the kicking belt piece (1241) to move left and right.

2. The belt press mechanism of claim 1, wherein the first belt press assembly (122) comprises a first cylinder (1221), a lever (1222), and a first presser foot (1223), the bracket (121) is provided with a first guide structure (1213 a) for connecting the first presser foot (1223), the first presser foot (1223) is provided with a force application hole (1223 a), the middle part of the lever (1222) is hinged to the bracket (121), one end of the lever (1222) passes through the force application hole (1223 a), the other end of the lever is hinged to a piston rod of the first cylinder (1221), and the first cylinder (1221) can drive the first presser foot (1223) to move up and down along the first guide structure (1213 a) through the lever (1222).

3. The belt press according to claim 1, wherein the holder (121) is provided with a second guide structure (1213 c) in a front-to-rear direction, the second belt pressing assembly (123) is connected to the second guide structure (1213 c), and the second belt pressing assembly (123) is movable in the front-to-rear direction away from or toward the first belt pressing assembly (122).

4. The belt press according to claim 1, characterized in that the support (121) comprises a backing plate (1213 b), the first belt press assembly (122) comprises a first presser foot (1223), the second belt press assembly (123) comprises a second presser foot (1232), and the areas of the first presser foot (1223), the second presser foot (1232) and the backing plate (1213 b) for pressing the belt are provided with a relief structure.

5. The belt press mechanism of any of claims 1 to 4, wherein the holder (121) comprises a base (1211), an adjustment power member (1212), and an adjustment frame (1213), the first belt press assembly (122), the second belt press assembly (123), and the kicker belt assembly (124) are disposed on the adjustment frame (1213), the adjustment power member (1212) connects the base (1211) and the adjustment frame (1213), and the adjustment power member (1212) can drive the adjustment frame (1213) to move in the front-back direction.

6. A sewing machine head is characterized by comprising the belt pressing mechanism of any one of claims 1 to 5, and further comprising a head frame (110), a sewing mechanism (130) and a shaking power mechanism, wherein the belt pressing mechanism, the sewing mechanism (130) and the shaking power mechanism are all arranged on the head frame (110), a support (121) of the belt pressing mechanism is connected with the shaking power mechanism, the shaking power mechanism can drive the belt pressing mechanism to shake in a left-right deflection mode, and the sewing mechanism (130) comprises a sewing needle and a sewing power part used for driving the sewing needle to lift.

7. A material belt processing system is characterized by comprising the sewing machine head of claim 6 and further comprising a belt turning and conveying machine head (200), wherein the belt turning and conveying machine head (200) comprises a machine head seat (210), a sliding seat (220), a belt conveying power mechanism (230), a stop lever (240) and two belt turning mechanisms (250), the sliding seat (220) is movably connected to the machine head seat (210), the belt conveying power mechanism (230) is connected with the machine head seat (210) and the sliding seat (220), the belt conveying power mechanism (230) can drive the sliding seat (220) to be far away from or close to the sewing machine head, the belt turning mechanisms (250) and the stop lever (240) are arranged on the sliding seat (220), the belt turning mechanisms (250) are used for clamping a material belt and driving the material belt to turn over, and the belt end of the stop lever (240) is higher than the belt end of the belt turning mechanism (250), the two clamping and overturning mechanisms (250) are respectively arranged at the front side and the rear side of the stop lever (240).

8. The strip processing system of claim 7, wherein the clamping and turning mechanism (250) comprises a seat block (251) connected to the sliding seat (220), a rotating shaft (252) rotatably connected to the seat block (251), a clamping power member (253) connected to the rotating shaft (252), a clamping cylinder (254) disposed on the seat block (251), a clamping block (255) connected to a piston rod of the clamping cylinder (254), a sleeve (256) connected to the clamping block (255), and two clamping arms (257) passing through the sleeve (256), the axial direction of the two clamping arms (257) is left-right, the two clamping arms (257) are connected to the rotating shaft (252), the clamping power member (253) is connected to the rotating shaft (252) for driving the two clamping arms (257) to rotate, the sleeve (256) is provided with a first connecting structure surrounding the peripheral wall, the clamping block (255) is provided with a second connecting structure, one of the first connecting structure and the second connecting structure is a groove (255 a), the other one is a flange (256 a) connected with the groove (255 a), and the clamping cylinder body (254) can drive the sleeve (256) to move left and right to open and close the two clamping arms (257).

9. The strip processing system of claim 8, wherein one of the two clamping arms (257) is a fixed arm (2571) connected to the rotating shaft (252), and the other one of the two clamping arms is a movable arm (2572), the middle portion of the movable arm (2572) is hinged to the fixed arm (2571), and one end of the movable arm (2572) is connected to the sleeve (256), so that the two clamping arms (257) can be driven to open and close when the sleeve (256) slides left and right.

10. The strip processing system according to claim 8, wherein the ends of the clamping arms (257) away from the clamping ends thereof are hinged to the rotating shaft (252), and an elastic member (259) is connected between the two clamping arms (257), wherein the elastic member (259) is used for driving the two clamping arms (257) to open.

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