Presser foot mechanism for a sewing machine

Abstract

The utility model provides a kind of sewing machine's press and ironing material receiving mechanism, belong to sewing machine technical field.It solves the problem of poor material receiving efficiency of existing cloth.The press and ironing material receiving mechanism of this sewing machine, including rack, rack has deck, deck is equipped with discharge port, the press and ironing material receiving mechanism further includes the unloading plate located in along horizontal setting in discharge port, the drive component two of being arranged on rack and being able to drive unloading plate shift to the below of discharge port and the material receiving component of being located below deck and being able to take cloth from unloading plate;The press and ironing material receiving mechanism further includes the ironing block located above discharge port and the drive component one of being arranged on deck and driving ironing block lift relative to deck.This structure avoids the step of needing to transfer cloth after press and ironing again, improves material receiving efficiency, and further improves the processing efficiency of cloth.

Description

Technical Field

[0001] This utility model belongs to the field of sewing machine technology, and relates to a sewing machine, particularly a heat-pressing and material-collecting mechanism for a sewing machine. Background Technology

[0002] A short-sleeved shirt is made of multiple pieces of fabric sewn together, and the cuff is an important component of the shirt. Cuffs are now mass-produced using sewing equipment. Sewing equipment generally includes a feeding mechanism, a transferring mechanism, a sewing machine head, and a dispensing mechanism. These mechanisms are spaced apart along the length of the machine. First, the fabric is placed flat on the feeding mechanism. The feeding mechanism folds one end of the fabric inward to form a hem. The transferring mechanism presses the hem firmly onto the fabric and pulls the entire fabric to the sewing machine head. The sewing machine head sews the edge of the hem onto the fabric, forming a rolled edge. After sewing, the transferring mechanism pulls the fabric to the dispensing mechanism, which removes the fabric from the machine.

[0003] For example, the China Patent Network discloses an automatic feeding hemming sewing machine [Application Publication No.: CN106868722A], which includes a frame, a worktable mounted on the frame, and a sewing machine head. A conveyor base plate is provided on the worktable, and a synchronous belt conveyor mechanism for linearly moving the sewing material along the conveyor base plate is located above the conveyor base plate. A take-up plate, flush with the conveyor base plate, is fixed on a take-up rack. The take-up plate has a feeding trough, and a feeding cylinder is located above the feeding trough. The drive rod of the feeding cylinder is connected to... The fabric is pushed into the feed plate of the feed trough. Below the feed trough is a take-up synchronous belt and a take-up motor that controls the intermittent rotation of the take-up synchronous belt. After the sewing machine head finishes the hem, the fabric is transported to the take-up plate at the end by the synchronous conveyor mechanism. Then, the feed cylinder drives the feed plate to descend, pushing the fabric on the take-up plate from the feed trough onto the take-up synchronous belt. The take-up motor can intermittently drive the take-up synchronous belt to rotate, so that the fabric falling on the take-up synchronous belt is stacked in a staggered manner to achieve automatic take-up.

[0004] After the rolled hem is finished, in order to improve the processing quality and make the rolled hem more beautiful, it is necessary to press and shape it. However, the sewing machine does not have a structure for pressing and shaping the rolled hem. Therefore, the fabric needs to be transferred from the sewing machine to the ironing workbench for pressing and shaping. Since the fabric needs to be transferred twice, the manufacturing efficiency of the rolled hem is reduced.

[0005] To improve the manufacturing efficiency of rolled edges, the current conventional practice is to install a pressing mechanism on the sewing machine. The pressing mechanism is located between the sewing machine head and the take-up mechanism. After the rolled edge is sewn, the transfer mechanism moves the fabric from the sewing machine head to the pressing mechanism. The pressing mechanism presses and shapes the rolled edge. After the fabric is pressed and shaped, the transfer mechanism moves the fabric from the pressing mechanism to the take-up mechanism. For example, the China Patent Network discloses a multi-functional integrated sewing machine [Authorization Announcement No.: CN206052310U], which includes a sewing machine head, a sewing machine base, a cloth-draping device, and a cutting device. The sewing machine head is fixed on the sewing machine base, and a fixed seat is installed on the sewing machine base. A rotating plate corresponding to the sewing machine head is connected to the fixed seat. The cloth-draping device includes a front cloth-draping device and a rear cloth-draping device. The cloth-draping device and the cutting device are installed on the rotating plate. The front cloth-draping device is located on the sewing machine head, and an ironing device for spreading flat fabric is provided behind the front cloth-draping device. An air-blowing material-collecting device is installed on the rear side of the sewing machine base.

[0006] When the aforementioned multi-functional integrated sewing machine is working, the worker feeds the fabric into the machine, and the sewing machine begins sewing. The sewing teeth then transport the sewn fabric to the front feed device, which pulls the fabric to the ironing device, where it irons the fabric flat. Next, the rear device pulls the fabric to the cutting device, where it cuts the fabric. Finally, the air blowing device blows the fabric onto the take-up shaft. Because the ironing device is located between two adjacent devices, space needs to be reserved between them, increasing the size of the sewing machine frame and raising manufacturing costs. Furthermore, after the fabric is ironed and ready for unloading, it needs to be pulled from the ironing device to the take-up device, which takes time and affects the efficiency of fabric collection. Utility Model Content

[0007] The purpose of this utility model is to address the aforementioned problems in the existing technology by proposing a heat-pressing and material-collecting mechanism for a sewing machine. The technical problem to be solved by this utility model is: how to improve the material collection efficiency while ensuring the compactness of the sewing machine structure.

[0008] The objective of this utility model can be achieved through the following technical solutions:

[0009] A pressing and collecting mechanism for a sewing machine includes a frame with a table. The table has a discharge port. The pressing and collecting mechanism further includes a stripper plate horizontally positioned within the discharge port, a second drive assembly mounted on the frame capable of driving the stripper plate to move below the discharge port, and a collecting assembly located below the table capable of removing the fabric from the stripper plate. The pressing and collecting mechanism also includes an ironing block positioned above the discharge port and a first drive assembly mounted on the table for driving the ironing block to move up and down relative to the table.

[0010] After the fabric is sewn on the sewing machine, it is conveyed to the unloading plate. Drive component one drives the ironing block to move downwards, pressing the fabric firmly onto the unloading plate, thus pressing the fabric. The pressed fabric is smoother, improving the sewing quality. After the fabric is pressed, drive component one drives the ironing block to move upwards, and drive component two drives the unloading plate to move below the outlet. The fabric on the unloading plate follows the unloading plate to below the outlet. The take-up component removes the fabric from the unloading plate, and drive component two drives the unloading plate to return to the outlet. This heat-pressing and material-collecting mechanism integrates the heat-pressing and material-collecting mechanisms into one unit, occupying only one workstation on the sewing machine. It makes full use of the machine's space, combining heat-pressing and material-collecting functions without increasing the machine frame's size, thus ensuring the machine's compact structure. The fabric heat-pressing operation is performed on the unloading plate. After heat-pressing, the drive assembly two moves the unloading plate below the outlet, where the material is directly collected by the material-collecting assembly. This avoids the need to transfer the heat-pressed fabric again, improving collection efficiency and consequently increasing fabric processing efficiency.

[0011] In the above-mentioned ironing and receiving mechanism of a sewing machine, the drive assembly includes a base mounted on the table and a cylinder mounted on the base for driving the ironing block to rise and fall relative to the table.

[0012] In the heat-pressing and take-up mechanism of the sewing machine described above, one end of the unloading plate is hinged to the table plate, and the second drive assembly is located below the table plate and can drive the unloading plate to rotate downward relative to the table plate. After the fabric is heat-pressed, the second drive assembly drives the unloading plate to rotate downward relative to the table plate. When the unloading plate rotates from a horizontal position to a vertical position, the fabric falls directly from the unloading plate, completing the unloading. Alternatively, when the unloading plate rotates from a horizontal position to an inclined position, the take-up assembly removes the fabric from the unloading plate. Both methods eliminate the need to transfer the fabric, thus achieving rapid take-up and improving take-up efficiency.

[0013] In the aforementioned pressing and receiving mechanism of a sewing machine, the second drive assembly includes a second cylinder and two hinge seats, one of which is fixed to the lower surface of the unloading plate. The other hinge seat is fixed to the frame. The tail of the second cylinder is hinged to the hinge seat on the frame, and the piston rod of the second cylinder is hinged to the hinge seat on the unloading plate. With this structure, the second cylinder drives the unloading plate to rotate upwards or downwards.

[0014] In the aforementioned heat-pressing and receiving mechanism of a sewing machine, the receiving component includes a guide rail 1 mounted on the frame, a material-taking block slidably mounted on the guide rail 1, and a drive component 3 mounted on the frame. When the unloading plate rotates downwards, the material-taking block is positioned opposite to the unloading plate. The drive component 3 can drive the material-taking block to move towards the unloading plate. The end face of the material-taking block facing the unloading plate is an inclined surface that can abut against the unloading plate, and several air holes are provided on the inclined surface. With this structure, when the unloading plate rotates downwards to an inclined position, the drive component 3 drives the material-taking block to move towards the unloading plate. As the material-taking block approaches the unloading plate, one end of each air hole is connected to an air source to form a negative pressure adsorption. When the inclined surface abuts against the fabric on the unloading plate, the air holes adsorb the fabric onto the inclined surface. The drive component 3 then drives the material-taking block away from the unloading plate, completing the material taking.

[0015] In the aforementioned heat pressing and receiving mechanism of a sewing machine, the driving component three includes a motor and a belt drive mechanism. The motor drives the material taking block to slide along the guide rail through the belt drive mechanism. With this structure, the motor outputs power to drive the belt drive mechanism to rotate. The material taking block is fixed on the belt. After the belt drive mechanism rotates, it drives the material taking block to slide along the guide rail, allowing the material taking block to move closer to or further away from the unloading plate.

[0016] In the aforementioned heat pressing and receiving mechanism of a sewing machine, the mechanism further includes a guide rail two vertically mounted on the frame, a lifting platform located below the material outlet and slidably mounted on the guide rail two, a feeding plate mounted on the lifting platform, and a drive assembly four for driving the lifting platform to move up and down along the guide rail two. With this structure, after the fabric is adsorbed onto the picking block, the fabric is placed on the feeding plate. Several pieces of fabric are stacked on the feeding plate. When the fabric has accumulated to a certain thickness on the feeding plate, the drive assembly four drives the lifting platform to descend along the guide rail two, facilitating the receiving assembly to continue stacking the fabric on the feeding plate.

[0017] In the heat pressing and receiving mechanism of the sewing machine described above, a discharge port is provided on one side of the frame, a slide rod is provided on the lifting platform, and the feeding plate is slidably mounted on the slide rod, and the feeding plate can slide along the slide rod towards the discharge port. With this structure, when the fabric is piled to a certain height on the feeding plate and needs to be removed, the worker can pull the lifting platform to slide it towards the discharge port. The lifting platform drives the feeding plate to slide to the discharge port, making it convenient for the worker to move the fabric on the feeding plate and remove it from the discharge port.

[0018] Compared with the prior art, the heat pressing and take-up mechanism of the sewing machine of this utility model has the following advantages: This heat pressing and take-up mechanism integrates the heat pressing mechanism and the take-up mechanism into one mechanism, and the heat pressing and take-up mechanism only occupies one workstation on the sewing machine, making full use of the space on the sewing machine. It can perform both heat pressing and take-up functions without increasing the volume of the sewing machine frame, thus ensuring the compactness of the sewing machine structure. The heat pressing operation of the fabric is carried out on the unloading plate. After the fabric is heat pressed, the drive component two drives the unloading plate to move to the bottom of the outlet, and the take-up component directly completes the take-up, avoiding the step of transferring the heat-pressed fabric again, improving the take-up efficiency, and thus improving the fabric processing efficiency. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0020] Figure 2 yes Figure 1 A magnified structural diagram of part A in the middle.

[0021] Figure 3 This is one of the partial three-dimensional structural schematic diagrams of this utility model.

[0022] Figure 4 This is a cross-sectional structural diagram of the present invention.

[0023] Figure 5 This is the second partial three-dimensional structural schematic diagram of this utility model.

[0024] In the diagram, 1. Frame; 1a. Unloading port; 2. Table; 2a. Discharge port; 3. Ironing block; 4. Drive assembly one; 41. Base; 42. Cylinder one; 5. Unloading plate; 6. Drive assembly two; 61. Cylinder two; 62. Hinge seat; 7. Receiving assembly; 71. Guide rail one; 72. Picking block; 72a. Inclined surface; 72b. Air hole; 73. Drive assembly three; 8. Guide rail two; 9. Lifting platform; 10. Discharging plate; 11. Drive assembly four; 12. Slide rod. Detailed Implementation

[0025] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0026] Example 1

[0027] like Figure 1 and Figure 2As shown, the pressing and collecting mechanism of this sewing machine includes a frame 1, a table 2 on the frame 1, and a discharge port 2a on the table 2. The pressing and collecting mechanism includes an ironing block 3 located above the discharge port 2a and a drive assembly 4 set on the table 2 to drive the ironing block 3 to rise and fall relative to the table 2. The drive assembly 4 includes a base 41 set on the table 2 and a cylinder 42 set on the base 41 to drive the ironing block 3 to rise and fall relative to the table 2. In this embodiment, the ironing block 3 is an electric ironing block. When the power is turned on, the ironing block 3 heats up. When the power is turned off, the ironing block 3 stops heating. The cylinder 42 in the drive assembly 4 can also be replaced by a hydraulic cylinder or an electric push rod.

[0028] like Figure 2 and Figure 3 As shown, this heat-pressing and receiving mechanism also includes a discharge plate 5 located horizontally within the discharge port 2a and a second drive assembly 6 mounted on the frame 1 capable of driving the discharge plate 5 to move below the discharge port 2a. One end of the discharge plate 5 is hinged to the platform 2. The second drive assembly 6 is located below the platform 2 and includes a second cylinder 61 and two hinge seats 62. One hinge seat 62 is fixed to the lower surface of the discharge plate 5, and the other hinge seat 62 is fixed to the frame 1. The tail of the second cylinder 61 is hinged to the hinge seat 62 on the frame 1, and the piston rod of the second cylinder 61 is hinged to the hinge seat 62 on the discharge plate 5. The second cylinder 61 in this first drive assembly 4 can also be replaced by a hydraulic cylinder or an electric push rod.

[0029] After the fabric is sewn on the sewing machine, it is conveyed to the unloading plate 5. Cylinder 42 drives the ironing block 3 to move downward, pressing the fabric onto the unloading plate 5 to achieve ironing. The ironed fabric is flatter, improving the sewing quality. After the fabric is ironed, cylinder 42 drives the ironing block 3 to move upward, and cylinder 61 drives the unloading plate 5 to rotate downward, so that the unloading plate 5 rotates from a horizontal state to an inclined state. The fabric on the unloading plate 5 is transferred to the area below the discharge port 2a.

[0030] like Figure 3 and Figure 4As shown, this heat pressing and collecting mechanism also includes a collecting component 7 located below the table 2. The collecting component 7 includes a guide rail 71 mounted on the frame 1, a picking block 72 slidably mounted on the guide rail 71, and a drive component 73 mounted on the frame 1. The drive component 73 includes a motor and a belt drive mechanism. The motor drives the picking block 72 to slide along the guide rail 71 via the belt drive mechanism. When the unloading plate 5 rotates downward and is in an inclined state, the picking block 72 is positioned opposite to the unloading plate 5, with the picking block 72 facing the unloading plate. One end face of 5 is an inclined surface 72a that can abut against the unloading plate 5. Several air holes 72b are provided on the inclined surface 72a. After one end of the several air holes 72b is connected to the air source, a negative pressure adsorption is formed. The driving component three 73 drives the picking block 72 to move towards the unloading plate 5, so that the inclined surface 72a is in contact with the fabric on the unloading plate 5. The several air holes 72b adsorb the fabric on the inclined surface 72a. The driving component three 73 drives the picking block 72 away from the unloading plate 5. The picking block 72 removes the fabric from the unloading plate 5.

[0031] like Figure 3 , Figure 4 and Figure 5 As shown, this heat pressing and receiving mechanism also includes a guide rail 2 8 vertically arranged on the frame 1, a lifting platform 9 located below the discharge port 2a and slidably arranged on the guide rail 2 8, a feeding plate 10 arranged on the lifting platform 9, and a drive assembly 4 11 for driving the lifting platform 9 to rise and fall along the guide rail 2 8. The drive assembly 4 11 includes a motor, which drives the lifting platform 9 to rise and fall along the guide rail 2 8 through a belt drive mechanism or a chain drive mechanism. After the material taking block 72 takes the fabric off the discharge plate 5, when the air source is turned off, the fabric falls off the inclined surface 72a of the material taking block 72, so that the fabric is placed on the feeding plate 10. The fabric is stacked on the feeding plate 10 in sequence. When the fabric on the feeding plate 10 is stacked to a certain thickness, the drive assembly 4 11 drives the lifting platform 9 to move downward along the guide rail 2 8, thereby driving the feeding plate 10 to move downward, so that the material taking block 72 can continue to stack the fabric.

[0032] like Figure 5 As shown, a discharge port 1a is provided on one side of the frame 1. A slide bar 12 is provided on the lifting platform 9. The feeding plate 10 is slidably mounted on the slide bar 12 and can slide along the slide bar 12 toward the discharge port 1a. The worker can manually pull or push the feeding plate 10 to make it slide along the slide bar 12, or a cylinder can be provided on the frame 1 to drive the feeding plate 10 to slide along the slide bar 12. When the fabric on the feeding plate 10 is stacked to a certain height, the worker can manually pull the feeding plate 10 to slide it to the discharge port 1a, and the worker can take the fabric on the feeding plate 10 out of the discharge port 1a.

[0033] This heat pressing and material collection mechanism integrates the heat pressing mechanism and the material collection mechanism into one unit. This mechanism occupies only one workstation on the sewing machine, and the material collection structure is located below the table 2, making full use of the space below the table 2. It combines heat pressing and material collection functions without increasing the size of the sewing machine frame, ensuring the compactness of the sewing machine structure. The heat pressing operation is performed on the unloading plate 5. After the heat pressing is completed, the drive assembly 6 drives the unloading plate 5 to move below the outlet 2a, where the material collection assembly 7 directly completes the material collection. This avoids the need to transfer the heat-pressed fabric again, improving collection efficiency and thus increasing the fabric processing efficiency.

[0034] Example 2

[0035] This embodiment is basically the same as the above embodiment 1, except that: the unloading plate 5 is placed horizontally in the discharge port 2a, the driving component 2 6 includes a cylinder, the cylinder drives the unloading plate 5 to rise and fall vertically, after the fabric is pressed, the cylinder drives the unloading plate 5 to move downward, so that the unloading plate 5 moves below the discharge port 2a, and then the receiving component 7 removes the fabric from the unloading plate 5.

[0036] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A pressing and collecting mechanism for a sewing machine, comprising a frame (1) having a table (2) on the frame (1), characterized in that, The table (2) is provided with a discharge port (2a). The pressing and collecting mechanism includes a discharge plate (5) located horizontally in the discharge port (2a), a second drive component (6) on the frame (1) that can drive the discharge plate (5) to move to the area below the discharge port (2a), and a collecting component (7) located below the table (2) that can remove the fabric from the discharge plate (5). The pressing and collecting mechanism also includes an ironing block (3) located above the discharge port (2a) and a first drive component (4) on the table (2) that drives the ironing block (3) to rise and fall relative to the table (2).

2. The pressing and collecting mechanism of a sewing machine according to claim 1, characterized in that, The drive assembly (4) includes a base (41) disposed on the table (2) and a cylinder (42) disposed on the base (41) for driving the ironing block (3) to rise and fall relative to the table (2).

3. The pressing and collecting mechanism of a sewing machine according to claim 1, characterized in that, One end of the unloading plate (5) is hinged to the platform (2), and the second driving component (6) is located below the platform (2) and can drive the unloading plate (5) to rotate downward relative to the platform (2).

4. The pressing and collecting mechanism of a sewing machine according to claim 3, characterized in that, The second drive assembly (6) includes a second cylinder (61) and two hinge seats (62), one of which is fixed to the lower surface of the unloading plate (5) and the other is fixed to the frame (1). The tail of the second cylinder (61) is hinged to the hinge seat (62) on the frame (1) and the piston rod of the second cylinder (61) is hinged to the hinge seat (62) on the unloading plate (5).

5. The pressing and collecting mechanism of a sewing machine according to claim 3, characterized in that, The receiving assembly (7) includes a guide rail (71) on the frame (1), a picking block (72) slidably mounted on the guide rail (71), and a drive assembly (73) on the frame (1). When the unloading plate (5) rotates downward, the picking block (72) is positioned opposite to the unloading plate (5). The drive assembly (73) can drive the picking block (72) to move toward the unloading plate (5). The picking block (72) has several air holes (72b) on one end face facing the unloading plate (5).

6. The pressing and collecting mechanism of a sewing machine according to claim 5, characterized in that, The end face of the material taking block (72) facing the unloading plate (5) is an inclined surface (72a) that can abut against the unloading plate (5), and the air hole (72b) is opened on the inclined surface (72a).

7. The pressing and collecting mechanism of a sewing machine according to claim 5, characterized in that, The drive assembly three (73) includes a motor and a belt drive mechanism. The motor drives the material taking block (72) to slide along the guide rail one (71) through the belt drive mechanism.

8. A pressing and collecting mechanism for a sewing machine according to any one of claims 1 to 7, characterized in that, The heat pressing and receiving mechanism also includes a second guide rail (8) arranged vertically on the frame (1), a lifting platform (9) located below the discharge port (2a) and slidably arranged on the second guide rail (8), a feeding plate (10) arranged on the lifting platform (9), and a fourth drive assembly (11) that drives the lifting platform (9) to move up and down along the second guide rail (8).

9. The pressing and collecting mechanism of a sewing machine according to claim 8, characterized in that, The frame (1) has a discharge port (1a) on one side, and a slide bar (12) is provided on the lifting platform (9). The discharge plate (10) is slidably arranged on the slide bar (12), and the discharge plate (10) can slide along the slide bar (12) toward the discharge port (1a).

Images