Seaming machine

Abstract

The utility model discloses a sewing machine which comprises a machine frame, a sewing machine arranged on the machine frame and a cloth placing table arranged below the sewing machine and connected to the machine frame in a sliding mode, a long groove located below the sewing machine is formed in the cloth placing table, and a first positioning piece is arranged at the end, located in the length direction of the long groove, of the cloth placing table. A second positioning piece located in the long groove is slidably connected to the rack, discharging areas are arranged on the two sides, in the length direction of the long groove, of the cloth containing table, and a driving mechanism used for driving the cloth containing table to move in the length direction of the long groove is arranged on the rack. Two rolls of cloth needing to be sewn are driven to move below the sewing machine through the arrangement of the rack, the driving mechanism, the cloth containing table, the first positioning piece and the second positioning piece, splicing is conveniently and rapidly completed, and the problems that when large pieces of cloth are spliced together at present, sewing threads are inclined, and the cloth is inclined are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sewing equipment field, especially involve the jointing machine. BACKGROUND

[0002] Large sunshade in the production process, because the length of cloth is longer, can not carry out direct production, need to splice two pieces of cloth together, but because of the area of cloth, the distance of need sewing is longer ( generally need to sew length is above three meters), need manual holding to move the position of overlapping cloth to sew, but easy to appear the situation of sewing line skew, fabric tilt. CONTENT

[0003] The utility model solves the technical problem that provides jointing machine to solve the problem of sewing line skew and fabric tilt when large cloth is spliced together.

[0004] In order to solve the above problems, the utility model adopts the following technical scheme:

[0005] The jointing machine, including frame, the sewing machine set on the frame and the cloth placing table set below the sewing machine and slidingly connected on the frame, the long groove below the sewing machine is set on the cloth placing table, the first positioning piece is located at one end of the length direction of the long groove on the cloth placing table, the second positioning piece is located in the long groove and slidingly connected on the frame, the two sides of the length direction of the long groove on the cloth placing table are equipped with the cloth placing area, and the driving mechanism for driving the cloth placing table to move along the length direction of the long groove is arranged on the frame.

[0006] Further, the first positioning piece includes a first U-shaped plate and two first presser feet arranged on the first U-shaped plate, the two first presser feet are arranged on both sides of the opening of the first U-shaped plate, and the opening of the first U-shaped plate is communicated with the long groove.

[0007] Further, the second positioning piece includes a second U-shaped plate and two second presser feet arranged on the first U-shaped plate, the two second presser feet are arranged on both sides of the opening of the second U-shaped plate, the opening of the second U-shaped plate faces the first U-shaped plate, and the second U-shaped plate is slidingly connected on the frame.

[0008] Further, the first presser foot includes a compression cylinder and a pressing block arranged on the extension end of the compression cylinder, the extension end of the compression cylinder faces the first U-shaped plate, and the first presser foot and the second presser foot are the same in structure.

[0009] Further, the first U-shaped plate is further provided with a positioning cylinder, the extension end of the positioning cylinder is provided with a tension cylinder, the extension end of the tension cylinder faces downward, the extension end of the positioning cylinder is provided with a clamping plate located below the extension end of the tension cylinder, and the positioning cylinder is used to drive the tension cylinder to move between the two first presser feet.

[0010] Further, the sewing machine is provided with an abutting member for abutting the passing cloth, the abutting member comprises an abutting cylinder arranged on one side of the sewing machine and an abutting mechanism arranged at the telescopic end of the abutting cylinder, the abutting mechanism comprises a fixed rod horizontally arranged above the long groove, two clamps sleeved on the fixed rod, an adjusting rod penetrating through one side of the two clamps and slidably connected to the two clamps, and an abutting wheel arranged at the bottom end of the two adjusting rods, the two adjusting rods are respectively penetrated through and slidably connected to the two clamps, one end of the adjusting rod above the clamps is provided with an anti-dropping block, a spring is sleeved on the adjusting rod between the clamps and the abutting wheel, and the rolling direction of the abutting wheel is the same as the length direction of the long groove.

[0011] Further, the workbench plate of the sewing machine is provided with an S-shaped cloth positioning plate for overlapping two pieces of cloth together.

[0012] Further, the two abutting wheels are respectively located on the two sides of the S-shaped cloth positioning plate.

[0013] Further, the feeding area is a groove opened on the cloth placing table, and the length direction of the groove is parallel to the length direction of the long groove.

[0014] Further, the driving mechanism comprises traction motors arranged at both ends of the rack and a synchronous belt arranged around the rack, the traction motors are in transmission connection with the synchronous belt, and the synchronous belt is fixedly connected with the cloth placing table.

[0015] The utility model discloses the remarkable beneficial effect obtained has:

[0016] 1. The application drives two pieces of cloth needing to be sewn to move below the sewing machine through the setting of the rack, the driving mechanism, the cloth placing table, the first positioning member and the second positioning member, and the splicing is conveniently and quickly completed, and the problems of skewing of sewing lines and tilting of fabrics when the large piece of cloth is spliced together are effectively solved.

[0017] 2. The setting of the positioning cylinder, the tensioning cylinder and the clamping plate can clamp one side of the sewn cloth, so that the overlapping position of the cloth is prevented from being pulled by the second positioning member in the sewing process, and wrinkles are prevented from appearing in the sewing position.

[0018] 3. The setting of the abutting member and the S-shaped cloth positioning plate can limit the cloth passing through the sewing machine, and separation or skewing of the cloth is avoided. DRAWINGS

[0019] ATTACHMENT Figure 1 It is a front view structural schematic diagram of the utility model;

[0020] ATTACHMENT Figure 2 It is a top view structural schematic diagram of the utility model;

[0021] ATTACHMENT Figure 3 It is a front view structural schematic diagram of the utility model Figure 1Enlarged structure schematic view at A;

[0022] Attached Figure 4 For the utility model Figure 2 Enlarged structure schematic view at B;

[0023] Attached Figure 5 For the utility model first positioning member structure schematic view;

[0024] Attached Figure 6 For the utility model second positioning member structure schematic view;

[0025] Attached Figure 7 For the utility model abutment mechanism structure schematic view;

[0026] Attached Figure 8 For the utility model cloth positioning plate three-dimensional structure schematic view;

[0027] Attached Figure 9 For the utility model cloth placing table structure schematic view;

[0028] Attached Figure 10 For the utility model embodiment 4 structure schematic view;

[0029] Attached Figure 11 For the utility model embodiment 4 second positioning member structure schematic view.

[0030] In the drawings, 1, rack; 2, cloth placing table; 3, long groove; 4, feeding area; 5, first U-shaped plate; 6, first presser foot; 7, second U-shaped plate; 8, second presser foot; 9, positioning cylinder; 10, tension cylinder; 11, clamping plate; 12, abutment cylinder; 13, fixed rod; 14, clamp; 15, adjusting rod; 16, abutment wheel; 17, anti-drop block; 18, spring; 19, cloth positioning plate; 20, traction motor; 21, synchronous belt; 22, receiving plate; 23, slide rail; 24, traction plate; 25, sewing machine; 26, mounting plate; 27, compression cylinder. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0032] Embodiment 1

[0033] As Figures 1-6and Figure 9 As shown, the machine comprises a frame 1, a sewing machine 25 mounted on the frame 1, and a cloth placing table 2 located below the sewing machine 25 and slidingly connected to the frame 1, the cloth placing table 2 is provided with a long groove 3 below the sewing machine 25, a first positioning member is mounted on the cloth placing table 2 at the left end of the long groove 3 in the length direction, a second positioning member is slidingly connected to the frame 1 and located in the long groove 3, the sliding direction of the second positioning member is the same as the length direction of the long groove 3, cloth areas for placing cloth are provided on both sides of the long groove 3 in the length direction on the cloth placing table 2, and a driving mechanism for driving the cloth placing table 2 to move along the length direction of the long groove 3 is mounted on the frame 1.

[0034] Specifically, the frame 1 comprises four legs and a table top, the table top is provided with a vertical through hole, two parallel sliding rails 23 are horizontally arranged in the through hole, and a parallel receiving plate 22 is mounted between the two sliding rails 23, the sliding rails 23 are used for sliding the cloth placing table 2, and the receiving plate 22 is located below the long groove 3 and used for receiving the cloth at the sewing position to avoid the cloth at the sewing position from sagging.

[0035] The first positioning member comprises a first U-shaped plate 5 and two first presser feet 6 mounted on the first U-shaped plate 5, the two first presser feet 6 are respectively mounted on both sides of the opening of the first U-shaped plate 5, and the opening of the first U-shaped plate 5 is communicated with the long groove 3.

[0036] The second positioning member comprises a second U-shaped plate 7 and two second presser feet 8 mounted on the second U-shaped plate 7, the two second presser feet 8 are respectively mounted on both sides of the opening of the second U-shaped plate 7, the opening of the second U-shaped plate 7 faces the first U-shaped plate 5, and the second U-shaped plate 7 is slidingly connected to the receiving plate 22 in the frame 1.

[0037] The first presser foot 6 comprises a pressing cylinder and a pressing block (the pressing block is a rubber block) fixedly mounted on the extension end of the pressing cylinder, the extension end of the pressing cylinder faces the first U-shaped plate 5, and the first presser foot 6 and the second presser foot 8 are the same in structure.

[0038] The two ends of the cloth are fixed by the first positioning member and the second positioning member, so that the cloth is conveniently driven by the cloth placing table 2.

[0039] The first U-shaped plate 5 and the second U-shaped plate 7 can facilitate sewing the edge positions of the two rolls of cloth.

[0040] The cloth placing area 4 is a groove provided on the cloth placing table 2, the length direction of the groove is parallel to the length direction of the long groove 3, and the cloth rolled up can be stably placed through the groove to avoid moving of the cloth during movement of the cloth placing table 2.

[0041] The drive mechanism includes traction motors 20 installed at both ends of the bottom of the frame 1 and a synchronous belt 21 mounted around the two traction motors 20. The traction motors 20 and the synchronous belt 21 are connected in transmission. The bottom of the fabric placement platform 2 is provided with a traction plate 24 that passes through the frame 1. The upper middle part of the synchronous belt 21 is fixedly connected to the traction plate 24 at the bottom of the fabric placement platform 2. The traction motors 20 and the synchronous belt 21 are arranged to drive the fabric placement platform 2 to move smoothly on the frame 1.

[0042] The working principle is as follows: First, the worker places the two rolls of fabric to be spliced ​​in the placement areas on both sides of the long groove 3. Then, the outer ends of the two rolls of fabric are overlapped and placed under the sewing needle of the sewing machine 25. By operating the two first presser feet 6 in the first positioning component, the overlapping and adjacent fabrics are fixed. Then, the worker moves to the second positioning component, so that the two rolls of fabric at the second positioning component are also overlapped and straightened. By operating the two second presser feet 8 in the second positioning component, the adjacent fabrics are fixed. At this time, the overlapping position between the two rolls of fabric is fixed. The sewing machine 25 and the traction motor 20 are turned on, and the sewing machine 25 begins to sew. During the sewing process, the traction motor 20 drives the fabric placement table 2 to move on the machine frame 1 through the synchronous belt 21 to complete the sewing of the two rolls of fabric. Since the second positioning component is fixed with the fabric, it can be moved by the fabric placement table 2.

[0043] In summary, this application uses the frame 1, drive mechanism, fabric placement platform 2, first positioning component and second positioning component to move two rolls of fabric to be sewn under the sewing machine 25, which facilitates and quickly completes the splicing, effectively solving the problems of crooked seams and tilted fabric when large pieces of fabric are spliced ​​together.

[0044] Example 2

[0045] like Figures 1-6 As shown, the structure of this embodiment is roughly the same as that of embodiment 1. This embodiment is further optimized based on embodiment 1. In this embodiment, a positioning cylinder 9 is also installed on the first U-shaped plate 5. A tensioning cylinder 10 is installed on the telescopic end of the positioning cylinder 9. The telescopic end of the tensioning cylinder 10 is downward. The telescopic end of the positioning cylinder 9 is fixedly connected to a clamping plate 11 located below the telescopic end of the tensioning cylinder 10. The positioning cylinder 9 is used to drive the tensioning cylinder 10 to move between the two first pressure feet 6.

[0046] In this embodiment, the extension and retraction direction of the positioning cylinder 9 is the same as the length direction of the long groove 3, the end of the clamping plate 11 near the first pressure foot 6 is inclined downward, and the upper surface of the clamping plate 11 is flush with the upper surface of the first U-shaped plate 5.

[0047] After the two first presser feet 6 fix the fabric and the fabric leaves the sewing needle of the sewing machine 25 after being sewn, the positioning cylinder 9 drives the tensioning cylinder 10 to move to the sewn fabric. At this time, the fabric is located between the clamping plate 11 and the telescopic end of the tensioning cylinder 10. The telescopic end of the tensioning cylinder 10 extends to cooperate with the clamping plate 11 to clamp the fabric.

[0048] The positioning cylinder 9, the tensioning cylinder 10, and the clamping plate 11 can pull the end of the fabric at the sewing position to prevent wrinkles from appearing at the sewing area when the fabric moves with the fabric placement table 2, thus affecting the sewing effect.

[0049] Example 3

[0050] like Figures 1-9 As shown, the structure of this embodiment is roughly the same as that of embodiment 2. This embodiment is further optimized based on embodiment 2. In this embodiment, in order to allow the overlapping fabric to pass smoothly under the sewing needle of the sewing machine 25, an abutment member is installed on the sewing machine 25 for abutting the passing fabric. The abutment member includes an abutment cylinder 12 installed on one side of the sewing machine 25 and an abutment mechanism installed on the telescopic end of the abutment cylinder 12. The abutment mechanism includes a fixed rod 13 horizontally installed above the long groove 3, two clamps 14 sleeved on the fixed rod 13, and a clamp 14 passing through the two clamps. An adjusting rod 15 on one side of the clamp 14 and an abutting wheel 16 installed at the bottom of the two adjusting rods 15; a fixed rod 13 is fixedly connected to the telescopic end of the abutting cylinder 12; the length direction of the fixed rod 13 is perpendicular to the length direction of the long groove 3 and located above the long groove 3; the two adjusting rods 15 pass through and are slidably connected to the two clamps 14 respectively; an anti-detachment block 17 is installed at the end of the adjusting rod 15 located above the clamp 14; a spring 18 is sleeved on the adjusting rod 15 between the clamp 14 and the abutting wheel 16; the rolling direction of the abutting wheel 16 is the same as the length direction of the long groove 3.

[0051] Specifically, the anti-slip block 17 is used to prevent the abutment rod from slipping off the clamp 14; the spring 18 on the abutment rod can provide an elastic downward pressure to the abutment wheel 16 after the abutment cylinder 12 drives the abutment wheel 16 to press down, so that the abutment wheel 16 always abuts against the fabric.

[0052] In order to facilitate the overlap of the ends of two rolls of fabric and to control the overlap distance, an S-shaped fabric positioning plate 19 is installed on the worktable of the sewing machine 25. The S-shaped fabric positioning plate 19 is used to overlap the two pieces of fabric together. The S-shaped fabric positioning plate 19 is located on the side of the sewing needle close to the second positioning piece.

[0053] When overlapping the fabric, the ends of the two rolls of fabric are respectively placed into the two openings of the S-shaped fabric positioning plate 19. The overlapping distance of the fabric is adjusted by adjusting the opening depth of the S-shaped fabric positioning plate 19.

[0054] Two abutting wheels 16 in this embodiment are located on both sides of the S-shaped cloth positioning plate 19.

[0055] Embodiment 4

[0056] As shown in Figure 10 and Figure 11 This embodiment is substantially the same as the structure of embodiment 1, and the difference between this embodiment and embodiment 1 is that the first positioning member and the second positioning member are oppositely arranged in this embodiment. The first positioning member comprises a mounting plate 26, a pressing cylinder 27 mounted on the mounting plate 26, and a pressing block mounted on the telescopic end of the pressing cylinder 27. The working direction of the pressing cylinder 27 is towards the mounting plate 26. The mounting plate 26 is mounted on the cloth placing table 2 and located in the long groove 3.

[0057] The clamping of the cloth is completed by moving the telescopic end of the pressing cylinder 27 towards the mounting plate 26.

[0058] In this embodiment, the first positioning member and the second positioning member have the same structure, but the mounting plate 26 in the second positioning member is slidingly connected to the receiving plate 22 in the rack 1 and located in the long groove 3.

[0059] When it is necessary to sew the cloth, first sew a section of the cloth close to the first positioning member, then place the sewn cloth in the first positioning member for clamping, then place the other end of the cloth in the second positioning member for clamping after straightening it. Operate the cloth placing table 2 and the sewing machine 25 to sew the cloth in movement. After the cloth is sewn close to the second positioning member, the second positioning member releases the clamping of the cloth, and the other end of the cloth is sewn along with the operation of the cloth placing table 2 and the sewing machine 25.

Claims

1. A stitching machine, characterized in that: The device includes a frame (1), a sewing machine (25) mounted on the frame (1), and a fabric placement platform (2) mounted below the sewing machine (25) and slidably connected to the frame (1). The fabric placement platform (2) has a long groove (3) located below the sewing machine (25). A first positioning element is provided at one end of the fabric placement platform (2) along the length of the long groove (3). A second positioning element is slidably connected to the frame (1) and located within the long groove (3). A feeding area (4) is provided on both sides of the fabric placement platform (2) along the length of the long groove (3). The frame (1) is provided with a drive mechanism for moving the fabric placement platform (2) along the length of the long groove (3).

2. The stitching machine according to claim 1, characterized in that: The first positioning component includes a first U-shaped plate (5) and two first pressure feet (6) disposed on the first U-shaped plate (5). The two first pressure feet (6) are respectively disposed on both sides of the opening of the first U-shaped plate (5), and the opening of the first U-shaped plate (5) is connected to the long groove (3).

3. The stitching machine according to claim 2, characterized in that: The second positioning component includes a second U-shaped plate (7) and two second pressure feet (8) disposed on the second U-shaped plate (7). The two second pressure feet (8) are respectively disposed on both sides of the opening of the second U-shaped plate (7). The opening of the second U-shaped plate (7) faces the first U-shaped plate (5). The second U-shaped plate (7) is slidably connected to the frame (1).

4. The stitching machine according to claim 3, characterized in that: The first presser foot (6) includes a pressing cylinder and a pressing block disposed at the telescopic end of the pressing cylinder. The telescopic end of the pressing cylinder faces the first U-shaped plate (5). The first presser foot (6) and the second presser foot (8) have the same structure.

5. The stitching machine according to claim 2, characterized in that: The first U-shaped plate (5) is also provided with a positioning cylinder (9). The telescopic end of the positioning cylinder (9) is provided with a tensioning cylinder (10). The telescopic end of the tensioning cylinder (10) is downward. The telescopic end of the positioning cylinder (9) is provided with a clamping plate (11) located below the telescopic end of the tensioning cylinder (10). The positioning cylinder (9) is used to drive the tensioning cylinder (10) to move between the two first pressure feet (6).

6. The stitching machine according to claim 1, characterized in that: The sewing machine (25) is equipped with a contacting component for contacting the passing fabric. The contacting component includes a contacting cylinder (12) located on one side of the sewing machine (25) and a contacting mechanism located at the telescopic end of the contacting cylinder (12). The contacting mechanism includes a fixed rod (13) horizontally located above the long groove (3), two clamps (14) sleeved on the fixed rod (13), an adjusting rod (15) passing through one side of the two clamps (14), and a contacting component. Two abutment wheels (16) are placed at the bottom ends of the two adjusting rods (15). The two adjusting rods (15) are respectively passed through and slidably connected to the two clamps (14). An anti-detachment block (17) is provided at one end of the adjusting rod (15) above the clamp (14). A spring (18) is sleeved on the adjusting rod (15) between the clamp (14) and the abutment wheel (16). The rolling direction of the abutment wheel (16) is the same as the length direction of the long groove (3).

7. The stitching machine according to claim 6, characterized in that: The sewing machine (25) has an S-shaped fabric positioning plate (19) on its worktable, which is used to overlap two pieces of fabric.

8. The stitching machine according to claim 7, characterized in that: The two abutting wheels (16) are located on both sides of the S-shaped fabric positioning plate (19).

9. The stitching machine according to claim 1, characterized in that: The material feeding area (4) is a groove opened on the fabric placement platform (2), and the length direction of the groove is parallel to the length direction of the long groove (3).

10. The stitching machine according to claim 1, characterized in that: The drive mechanism includes a traction motor (20) disposed at both ends of the frame (1) and a synchronous belt (21) surrounding the frame (1). The traction motor (20) is connected to the synchronous belt (21) for transmission, and the synchronous belt (21) is fixedly connected to the fabric placement table (2).

Images