Positioning mechanism of hemming machine for cushion production

Abstract

The utility model discloses a hemming machine positioning mechanism for cushion production, which comprises a bottom plate, the top surface of the bottom plate is fixedly connected with a hemming machine main body, the top surface of the bottom plate is fixedly connected with a limiting plate, the top surface of the bottom plate is fixedly connected with a support frame, the inner wall of the support frame is fixedly connected with a connecting block, and the connecting block is fixedly connected with a connecting rod. A cushion to be sewn is placed on the bottom plate to be in lap joint with the inner wall of the limiting plate, the positioning mechanism is started to press down and fix the cushion, the first electric push rod is started to push the cushion to move to the position below the hemming machine body through the limiting assembly, the limiting frame, the limiting sliding block and the positioning mechanism, and the hemming machine body and the driving assembly are started to drive the cushion to conduct movable hemming work. The rotating mechanism is started to drive the positioning mechanism and the seat cushion to rotate, the hemming position of the seat cushion can be adjusted, the purpose that the positioning hemming position of the seat cushion can be automatically adjusted conveniently is achieved, and the problem that the hemming processing efficiency of the seat cushion is greatly reduced due to the fact that the hemming position of the seat cushion is manually and repeatedly adjusted and fixed by a worker is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cushion production, in particular to a positioning mechanism for a hemming machine in cushion production. Background Technique

[0002] A cushion can keep the seat clean for a long time and has the effects of warmth and comfort when placed on a stool. Generally, it is used in combination with a backrest and is an indispensable fabric product in the room and the carriage. It is comfortable to use and has a decorative function that cannot be replaced by other items. The cushion is comfortable to use and has a decorative function, and its shape is mostly square, round or oval. The materials include cotton cloth, flannelette, brocade, nylon or linen, and the most comfortable material is memory cotton.

[0003] When the cushion is processed and produced, a hemming machine is needed to sew the side of the cushion. The positioning mechanism plays a role of positioning and fixing the side of the cushion during hemming. However, when the existing positioning mechanism is in use, it is difficult to automatically adjust the hemming position of the cushion. Usually, the staff needs to manually adjust and fix the cushion many times before the four sides of the cushion can be completely sewn, which greatly reduces the sewing processing efficiency of the cushion. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a positioning mechanism for a hemming machine in cushion production to solve the problems put forward in the above background technique.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A positioning mechanism for a hemming machine in cushion production, including a bottom plate, a hemming machine body is fixedly connected to the top surface of the bottom plate, a limiting plate is fixedly connected to the top surface of the bottom plate, a support frame is fixedly connected to the top surface of the bottom plate, a connecting block is fixedly connected to the inner wall of the support frame, a first electric push rod is fixedly connected to the inner wall of the connecting block, a limiting frame is fixedly connected to the output end of the first electric push rod, and the limiting frame is lapped with the right side of the connecting block. A limiting slider is slidably connected to the inner wall of the limiting frame, a positioning mechanism is arranged inside the limiting slider, a driving component is arranged on the front surface of the limiting frame, a rotating mechanism is arranged on the surface of the limiting slider, and a limiting component is arranged on the surface of the connecting block.

[0007] Preferably, the positioning mechanism is composed of a second electric push rod, a positioning frame and an anti-slip pad. The second electric push rod is rotatably connected to the inner wall of the limiting slider, the positioning frame is fixedly connected to the output end of the second electric push rod, and the anti-slip pad is fixedly connected to the bottom surface of the positioning frame.

[0008] Preferably, the driving assembly consists of a first servo motor, a threaded rod, a limiting ring and a threaded sleeve. The first servo motor is fixedly connected to the front of the limiting frame. The threaded rod is fixedly connected to the output end of the first servo motor. The limiting ring is fixedly connected to the right side of the limiting frame, and the inner wall of the limiting ring is rotatably connected to the threaded rod. The threaded sleeve is fixedly connected to the right side of the limiting slider, and the inner wall of the threaded sleeve is threadedly connected to the threaded rod and is slidably connected to the surface of the limiting frame.

[0009] Preferably, the rotating mechanism consists of a second servo motor, a driving wheel, a transmission belt and a driven wheel. The second servo motor is fixedly connected to the surface of the limiting slider. The driving wheel is fixedly connected to the output end of the second servo motor. The transmission belt is meshed with the inner wall of the driving wheel. The driven wheel is fixedly connected to the surface of the second electric push rod, and the inner wall of the driven wheel is meshed with the transmission belt.

[0010] Preferably, the limiting assembly consists of a limiting slide rail and a limiting rod. The limiting slide rail is fixedly connected to the surface of the connecting block. The limiting rod is slidably connected to the inner wall of the limiting slide rail and is fixedly connected to the left side of the limiting frame.

[0011] Preferably, the positioning frame is rectangular and is made of a metal material.

[0012] Preferably, the number of the limiting slide rails is multiple, and the multiple limiting slide rails are symmetrically arranged with the vertical midline on the left side of the connecting block as the axis of symmetry.

[0013] Compared with the prior art, the beneficial effect of the present utility model is as follows: for the positioning mechanism of the sewing machine for producing the cushion, the cushion to be sewn is placed on the bottom plate and lapped with the inner wall of the limiting plate. The positioning mechanism is started to press and fix the cushion. The first electric push rod is started to push the cushion to move under the sewing machine main body through the limiting assembly, the limiting frame, the limiting slider and the positioning mechanism. The sewing machine main body and the driving assembly are started to drive the cushion to move for sewing work. The rotating mechanism is started to drive the positioning mechanism and the cushion to rotate, so as to adjust the sewing position of the cushion; the goal of facilitating the automatic adjustment of the positioning and sewing position of the cushion is achieved, and the problem that the sewing processing efficiency of the cushion is greatly reduced due to the manual adjustment and fixation of the sewing position of the cushion by the staff for many times is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the isometric view of the structure of the present utility model;

[0015] Figure 2 is the enlarged view of the structure at A of the structure of the present utility model;

[0016] Figure 3 is the front sectional view of the structure of the present utility model;

[0017] Figure 4This is an enlarged view of the structure at location B of the structure of the present utility model;

[0018] Figure 5 This is the rear view of the structure of the present utility model;

[0019] Figure 6 This is an enlarged view of the structure at location C of the structure of the present utility model.

[0020] In the figure: 1, base plate; 2, main body of the sewing machine; 3, limiting plate; 4, support frame; 5, connecting block; 6, first electric push rod; 7, limiting frame; 8, limiting slider; 9, second electric push rod; 10, positioning frame; 11, anti-slip pad; 12, first servo motor; 13, threaded rod; 14, limiting ring; 15, threaded sleeve; 16, second servo motor; 17, driving wheel; 18, transmission belt; 19, driven wheel; 20, limiting slide rail; 21, limiting rod. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Refer to Figures 1-6 , a positioning mechanism for a sewing machine used in cushion production, including a base plate 1, a main body of the sewing machine 2 is fixedly connected to the top surface of the base plate 1, a limiting plate 3 is fixedly connected to the top surface of the base plate 1, a support frame 4 is fixedly connected to the top surface of the base plate 1, a connecting block 5 is fixedly connected to the inner wall of the support frame 4, a first electric push rod 6 is fixedly connected to the inner wall of the connecting block 5, the output end of the first electric push rod 6 is fixedly connected to a limiting frame 7, and the limiting frame 7 abuts against the right side of the connecting block 5. A limiting slider 8 is slidably connected to the inner wall of the limiting frame 7. A positioning mechanism is provided inside the limiting slider 8. A driving assembly is provided on the front surface of the limiting frame 7. A rotating mechanism is provided on the surface of the limiting slider 8. A limiting assembly is provided on the surface of the connecting block 5.

[0023] Specifically, the positioning mechanism is composed of a second electric push rod 9, a positioning frame 10 and an anti-slip pad 11. The positioning frame 10 is rectangular, and the positioning frame 10 is made of metal material. The positioning frame 10 made of metal material has higher strength, is not easily deformed and damaged after being stressed, and is more durable. The second electric push rod 9 is rotatably connected to the inner wall of the limit slider 8. The positioning frame 10 is fixedly connected to the output end of the second electric push rod 9. The anti-slip pad 11 is fixedly connected to the bottom surface of the positioning frame 10. The driving assembly is composed of a first servo motor 12, a threaded rod 13, a limit ring 14 and a threaded sleeve 15. The first servo motor 12 is fixedly connected to the front surface of the limit frame 7. The threaded rod 13 is fixedly connected to the output end of the first servo motor 12. The limit ring 14 is fixedly connected to the right side of the limit frame 7, and the inner wall of the limit ring 14 is rotatably connected to the threaded rod 13. The threaded sleeve 15 is fixedly connected to the right side of the limit slider 8, and the inner wall of the threaded sleeve 15 is threadedly connected to the threaded rod 13, and the inner wall of the threaded sleeve 15 is slidably connected to the surface of the limit frame 7. The rotating mechanism is composed of a second servo motor 16, a driving wheel 17, a transmission belt 18 and a driven wheel 19. The second servo motor 16 is fixedly connected to the surface of the limit slider 8. The driving wheel 17 is fixedly connected to the output end of the second servo motor 16. The transmission belt 18 is meshed with the inner wall of the driving wheel 17. The driven wheel 19 is fixedly connected to the surface of the second electric push rod 9, and the inner wall of the driven wheel 19 is meshed with the transmission belt 18. By driving the positioning mechanism and the cushion to slide longitudinally back and forth through the driving assembly, the moving edge sewing work can be carried out, improving the stability of the edge sewing work. By driving the positioning mechanism and the cushion to rotate through the rotating mechanism, the edge sewing position of the cushion can be automatically adjusted.

[0024] Specifically, the limiting component is composed of a limiting slide rail 20 and a limiting rod 21. The number of the limiting slide rails 20 is multiple, and the multiple limiting slide rails 20 are symmetrically arranged with the left vertical center line of the connecting block 5 as the axis of symmetry, used for connecting the multiple limiting rods 21, improving the moving stability of the limit frame 7. The limiting slide rail 20 is fixedly connected to the surface of the connecting block 5. The limiting rod 21 is slidably connected to the inner wall of the limiting slide rail 20, and the limiting rod 21 is fixedly connected to the left side of the limit frame 7, used for restricting the sliding direction of the limit frame 7 and avoiding the problem of cushion edge sewing deviation.

[0025] All the electrical components appearing in this article are electrically connected to the external main controller and 220V mains power supply, and the main controller can be a conventional known device such as a computer for control.

[0026] During use: First, place the cushion to be sewn on the top surface of the bottom plate 1 so that the side of the cushion abuts against the inner wall of the limiting plate 3. Start the second electric push rod 9 to push the positioning frame 10 and the anti-slip pad 11 downward to position and fix the cushion. Start the first electric push rod 6 to push the limiting frame 7 and the limiting slider 8 to move to the right, and at the same time drive the limiting rod 21 to slide to the right along the inner wall of the limiting slide rail 20. Drive the second electric push rod 9 and the positioning frame 10 to move to the right through the movement of the limiting slider 8, and drive the side of the cushion to slide to the right along the top surface of the bottom plate 1 to under the sewing machine main body 2 through the movement of the positioning frame 10. Start the sewing machine main body 2 to sew the side of the cushion. At the same time, start the first servo motor 12 to drive the threaded rod 13 to rotate along the inner wall of the limiting ring 14. Through the threaded connection between the threaded rod 13 and the threaded sleeve 15, drive the limiting slider 8 to slide longitudinally along the inner wall of the limiting frame 7. Drive the second electric push rod 9, the positioning frame 10 and the cushion to move longitudinally through the movement of the limiting slider 8, and then the moving sewing work can be carried out. Start the second servo motor 16 to drive the driving wheel 17 and the transmission belt 18 to rotate. Through the engagement between the transmission belt 18 and the driven wheel 19, drive the second electric push rod 9 to rotate along the inner wall of the limiting slider 8. Drive the positioning frame 10 and the cushion to rotate through the rotation of the second electric push rod 9, and then the sewing position of the cushion can be adjusted.

[0027] In summary, for the positioning mechanism of the sewing machine for cushion production, place the cushion to be sewn on the bottom plate 1 and abut against the inner wall of the limiting plate 3. Start the positioning mechanism to press down and fix the cushion. Start the first electric push rod 6 to push the cushion to move to under the sewing machine main body 2 through the limiting component, the limiting frame 7, the limiting slider 8 and the positioning mechanism. Start the sewing machine main body 2 and the driving component to drive the cushion to carry out the moving sewing work. Start the rotating mechanism to drive the positioning mechanism and the cushion to rotate, and then the sewing position of the cushion can be adjusted, achieving the goal of facilitating the automatic adjustment of the positioning sewing position of the cushion, and avoiding the problem that the sewing processing efficiency of the cushion is greatly reduced due to manual adjustment and fixation of the sewing position of the cushion by the staff for many times, and is used to solve the problems raised in the above background technology.

[0028] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning mechanism for a hemming machine used in cushion production, including a bottom plate (1), characterized in that, The top surface of the bottom plate (1) is fixedly connected with a sewing machine main body (2). The top surface of the bottom plate (1) is fixedly connected with a limiting plate (3). The top surface of the bottom plate (1) is fixedly connected with a support frame (4). The inner wall of the support frame (4) is fixedly connected with a connecting block (5). The inner wall of the connecting block (5) is fixedly connected with a first electric push rod (6). The output end of the first electric push rod (6) is fixedly connected with a limiting frame (7), and the limiting frame (7) is lapped with the right side of the connecting block (5). A limiting slider (8) is slidably connected to the inner wall of the limiting frame (7). A positioning mechanism is arranged inside the limiting slider (8). A driving component is arranged on the front surface of the limiting frame (7). A rotating mechanism is arranged on the surface of the limiting slider (8). A limiting component is arranged on the surface of the connecting block (5).

2. The positioning mechanism of a hemming machine for seat cushion production according to claim 1, wherein, The positioning mechanism consists of a second electric push rod (9), a positioning frame (10) and an anti-slip pad (11). The second electric push rod (9) is rotatably connected to the inner wall of the limiting slider (8). The positioning frame (10) is fixedly connected to the output end of the second electric push rod (9). The anti-slip pad (11) is fixedly connected to the bottom surface of the positioning frame (10).

3. The positioning mechanism of a hemming machine for cushion production according to claim 1, characterized in that, The driving component consists of a first servo motor (12), a threaded rod (13), a limiting ring (14) and a threaded sleeve (15). The first servo motor (12) is fixedly connected to the front surface of the limiting frame (7). The threaded rod (13) is fixedly connected to the output end of the first servo motor (12). The limiting ring (14) is fixedly connected to the right side of the limiting frame (7), and the inner wall of the limiting ring (14) is rotatably connected to the threaded rod (13). The threaded sleeve (15) is fixedly connected to the right side of the limiting slider (8), and the inner wall of the threaded sleeve (15) is threadedly connected to the threaded rod (13), and the inner wall of the threaded sleeve (15) is slidably connected to the surface of the limiting frame (7).

4. The positioning mechanism of a hemming machine for cushion production according to claim 1, characterized in that, The rotating mechanism consists of a second servo motor (16), a driving wheel (17), a transmission belt (18) and a driven wheel (19). The second servo motor (16) is fixedly connected to the surface of the limiting slider (8). The driving wheel (17) is fixedly connected to the output end of the second servo motor (16). The transmission belt (18) is meshed with the inner wall of the driving wheel (17). The driven wheel (19) is fixedly connected to the surface of the second electric push rod (9), and the inner wall of the driven wheel (19) is meshed with the transmission belt (18).

5. The positioning mechanism of a hemming machine for cushion production according to claim 1, characterized in that, The limiting component consists of a limiting slide rail (20) and a limiting rod (21). The limiting slide rail (20) is fixedly connected to the surface of the connecting block (5). The limiting rod (21) is slidably connected to the inner wall of the limiting slide rail (20), and the limiting rod (21) is fixedly connected to the left side of the limiting frame (7).

6. The positioning mechanism of a hemming machine for cushion production according to claim 2, characterized in that, The positioning frame (10) is rectangular, and the positioning frame (10) is made of metal material.

7. A positioning mechanism for a hemming machine used in cushion production according to claim 5, characterized in that, The number of the limiting slide rails (20) is multiple, and the multiple limiting slide rails (20) are symmetrically arranged with the vertical midline on the left side of the connecting block (5) as the axis of symmetry.

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