Adjustable jute bag production sewing machine

Abstract

The utility model discloses an adjustable jute bag production sewing machine which comprises a sewing table and a jute bag sewing edge adjusting mechanism. An electric sewing head is arranged on the upper side of the sewing table, a groove is formed in the left side of the sewing table, an extension plate is slidably connected into the groove, and through grooves are formed in the front end and the rear end of the upper side of the sewing table; the jute bag sewing edge adjusting mechanism is arranged between the through groove and the sewing table, and the jute bag sewing edge adjusting mechanism and the electric sewing head are installed in a matched mode; the adjustable jute bag production sewing machine further comprises a single chip microcomputer, the single chip microcomputer is arranged outside the sewing table, the input end of the single chip microcomputer is electrically connected with an external power source, the adjustable jute bag production sewing machine can adjust the area of the sewing platform according to the size of a jute bag, and the jute bag can be conveniently sewn and placed; meanwhile, the device can automatically conduct sewing conveying and sewing deviation correction on the jute bag through the power element and the detection element, use is convenient, and the labor intensity of workers is effectively relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sack sewing, in particular to an adjustable sack production sewing machine. Background Art

[0002] Sacks are bags used to store or transport goods (such as grains, fruits, and coal). They are made of coarse linen. During the production process, the edges of sacks need to be sealed by sewing machines. Some sack production sewing machines include a concave base, a box door is hinged on the right side of the back of the concave base through two hinges, a handle is embedded in the center of the left side of the back of the box door, a workbench is provided on the top of the concave base, a sewing machine is fixedly connected to the right side of the top of the workbench, and a controller is fixedly connected to the right side of the top of the sewing machine. A lifting device is provided in the inner cavity of the concave base, and the lifting device includes a slide groove, a stepping motor, a threaded column, a bearing seat, a threaded sleeve, a lifting device, and a lifting device. The utility model can adjust the height of the sack sewing machine through the cooperation of the slide groove, the stepping motor, the threaded column, the bearing seat, the threaded sleeve, the lifting frame and the slide rod, thereby solving the problem that the existing sack sewing machine does not have the height adjustment function, and is convenient for textile workers of different body shapes to use the sewing machine to sew sacks. However, during the use of the device, the sewing platform structure is integrated, and different sacks have different sizes. The sewing platform is too small, which is not conducive to placing and sewing sacks. At the same time, during the sewing process of the device on the sacks, manual sewing and feeding of the sacks are required. The workers need to rely on their work experience to sew the sacks in time for sewing deviation, which increases the labor intensity of the workers. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide an adjustable sack production sewing machine. The device can adjust the sewing platform area according to the size of the sack itself, which is convenient for sewing and placing the sack. At the same time, the device can automatically sew and transport the sack and correct the sewing deviation through power elements and detection elements. It is easy to use, effectively reduces the intensity of manual labor, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned object, the utility model provides the following technical solutions: an adjustable sack production sewing machine, comprising a sewing table and a sack sewing edge adjustment mechanism;

[0005] Sewing table: An electric sewing head is provided on the upper side of the sewing table, a groove is provided on the left side of the sewing table, an extension plate is slidably connected inside the groove, and through grooves are provided at both the front and rear ends of the upper side of the sewing table;

[0006] Sack sewing edge adjustment mechanism: it is arranged between the through slot and the sewing table, and the sack sewing edge adjustment mechanism is installed in conjunction with the electric sewing head;

[0007] Among them: it also includes a single-chip microcomputer, which is arranged outside the sewing table, the input end of the single-chip microcomputer is electrically connected to the external power supply, and the output end of the single-chip microcomputer is electrically connected to the input end of the electric sewing head. The device can adjust the sewing platform area according to the size of the sack itself, which is convenient for sewing and placing the sack. At the same time, the device can automatically sew and transport the sack and correct the sewing deviation through the power element and the detection element. It is easy to use and effectively reduces the intensity of manual labor.

[0008] Furthermore, the front side of the extension plate is provided with evenly distributed locking holes, the front left end of the sewing table is threadedly connected with a locking stud, the rear end of the locking stud is plugged into the adjacent locking hole, and the position of the adjusted extension plate is fixed.

[0009] Furthermore, the sack sewing edge adjustment mechanism includes a fixed seat, a rotating shaft, a feed roller and a driving motor. The fixed seat is evenly arranged on the upper side of the sewing table. The left side of the fixed seat and the inside of the through groove are rotatably connected to the rotating shaft through a bearing. The outer side of the rotating shaft is slidably connected to the feed roller. The feed roller is installed in cooperation with the electric sewing head. The left wall of the fixed seat is provided with a driving motor. The input end of the driving motor is electrically connected to the output end of the single-chip microcomputer. The output shaft of the driving motor is fixedly connected to the adjacent rotating shaft to provide power for the device to sew and transport the sack.

[0010] Furthermore, the sack sewing edge adjustment mechanism also includes guide grooves, which are all opened on the outside of the rotating shaft. The inside of the feed roller is slidably connected to the guide grooves through guide strips. The guide grooves and the guide strips are clamped together so that the rotating shaft drives the corresponding feed roller to rotate.

[0011] Furthermore, the sack sewing edge adjustment mechanism also includes a synchronous seat, a mounting seat and an electro-hydraulic push rod. The mounting seats are evenly arranged on the lower side of the sewing table. An electro-hydraulic push rod is provided on the left side of the mounting seat. The input end of the electro-hydraulic push rod is electrically connected to the output end of the single-chip microcomputer. Two vertically adjacent feed rollers are rotatably connected with a synchronous seat through a bearing. The telescopic ends of the electro-hydraulic push rod are fixedly connected to adjacent synchronous seats, thereby providing power for the device to correct sewing deviation during the sack sewing process.

[0012] Furthermore, evenly distributed pressure sensors are provided on the upper side of the sewing table, and the pressure sensors are all electrically connected to the single-chip microcomputer in a bidirectional manner to detect and upload the contact pressure between the pressure sensors and the sack at the sewing location.

[0013] Furthermore, a support frame is provided on the lower side of the sewing table to facilitate supporting and placing the device.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the adjustable sack production sewing machine has the following advantages:

[0015] 1. When sewing the edge of the sack during production, according to the volume of the sack, the extension plate is moved to slide along the groove, thereby adjusting the overall sewing support area of ​​the sewing table, and then the locking stud is rotated to move it backward through a threaded connection, so as to be plugged into the adjacent locking hole, thereby fixing the position of the extension plate. The adjustable sack production sewing machine can adjust the sewing platform area according to the size of the sack itself, which is convenient for sewing and placing the sack.

[0016] 2. During the sewing process of sacks, the single-chip microcomputer starts the driving motor so that its output shaft indirectly drives the corresponding feed roller to rotate. The feed roller sews and conveys the sacks through contact friction. At the same time, the single-chip microcomputer starts the pressure sensor. The pressure sensor measures the contact pressure of the sacks on the sewing table and transmits the measurement results to the single-chip microcomputer in the form of electrical signals. In the initial state, the values ​​measured by the pressure sensors are all specified values. When the sewing is uneven during the sewing and conveying of the sacks, the detection values ​​of the two pressure sensors differ from the specified values. Then the single-chip microcomputer starts the electro-hydraulic push rod so that its telescopic end drives the synchronous seat to move horizontally. The synchronous seat drives the corresponding feed roller to slide along the guide groove. The contact friction between the feed rollers is used to adjust the lateral position of the front and rear ends of the sack respectively, so that the pressure sensor detection value is restored to the specified value, thereby realizing automatic deviation correction of the sewing part of the sack. The adjustable sack production sewing machine can automatically sew and convey the sacks and correct the sewing deviation through power elements and detection elements. It is easy to use in the sack production process and effectively reduces the labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0019] Figure 3 This is an enlarged structural diagram of the utility model at A;

[0020] Figure 4 This is an enlarged structural diagram of point B of the utility model.

[0021] In the figure: 1 sewing table, 2 single chip microcomputer, 3 electric sewing head, 4 extension plate, 5 locking hole, 6 locking stud, 7 sack sewing edge adjustment mechanism, 71 fixed seat, 72 rotating shaft, 73 feed roller, 74 guide groove, 75 driving motor, 76 synchronous seat, 77 mounting seat, 78 electro-hydraulic push rod, 8 pressure sensor, 9 support frame. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 ,This embodiment provides a technical solution: an adjustable sack production sewing machine, comprising a sewing table 1 and a sack sewing edge adjustment mechanism 7;

[0024] Sewing table 1: An electric sewing head 3 is arranged on its upper side, a groove is arranged on the left side of the sewing table 1, and an extension plate 4 is slidably connected inside the groove, through grooves are arranged at both the front and rear ends of the upper side of the sewing table 1, and locking holes 5 are evenly distributed on the front side of the extension plate 4. A locking stud 6 is threadedly connected to the left end of the front side of the sewing table 1, and the rear end of the locking stud 6 is plugged into the adjacent locking hole 5. A support frame 9 is arranged on the lower side of the sewing table 1, and the support frame 9 is used to facilitate the placement of the device to a specified position. When sewing the edge of the sack during the production process, first, according to the volume of the sack itself, the extension plate 4 is moved to slide along the groove, thereby adjusting the overall sewing support area of ​​the sewing table 1, and then the locking stud 6 is rotated to move backward through the threaded connection, thereby plugging into the adjacent locking hole 5, and then the extension plate 4 is fixed in position. The adjustable sack production sewing machine can adjust the sewing platform area according to the size of the sack itself, which is convenient for the sewing and placement of the sack;

[0025] Sack sewing edge adjustment mechanism 7: It is arranged between the through slot and the sewing table 1, and the sack sewing edge adjustment mechanism 7 is installed in conjunction with the electric sewing head 3. The sack sewing edge adjustment mechanism 7 includes a fixed seat 71, a rotating shaft 72, a feed roller 73 and a drive motor 75. The fixed seat 71 is evenly arranged on the upper side of the sewing table 1. The left side of the fixed seat 71 and the inside of the through slot are rotatably connected with the rotating shaft 72 through a bearing. The outer side of the rotating shaft 72 is slidably connected with the feed roller 73. The feed roller 73 is installed in conjunction with the electric sewing head 3. The left wall of the fixed seat 71 is provided with a drive motor 75. The input end of the drive motor 75 is electrically connected to the output end of the single-chip computer 2, and the output shaft of the drive motor 75 is fixedly connected to the adjacent rotating shaft 72. The edge adjustment mechanism 7 also includes a guide groove 74, which is opened on the outside of the rotating shaft 72. The inside of the feed roller 73 is slidably connected to the guide groove 74 through a guide strip. The sack sewing edge adjustment mechanism 7 also includes a synchronous seat 76, a mounting seat 77 and an electro-hydraulic push rod 78. The mounting seat 77 is evenly arranged on the lower side of the sewing table 1. The left side of the mounting seat 77 is provided with an electro-hydraulic push rod 78. The input end of the electro-hydraulic push rod 78 is electrically connected to the output end of the single-chip computer 2. The two vertically adjacent feed rollers 73 are rotatably connected with the synchronous seat 76 through the bearing. The telescopic end of the electro-hydraulic push rod 78 is fixedly connected to the adjacent synchronous seat 76. The upper side of the sewing table 1 is provided with uniformly distributed pressure sensors 8, and the pressure sensors 8 are connected to the single-chip computer. 2 bidirectional electrical connection, the sack is passed from front to back in sequence between two vertically adjacent feed rollers 73 and the sewing part of the electric sewing head 3, and at the same time, the sewing edge of the sack is in contact with the pressure detection surfaces of the two pressure sensors 8. Then the single chip microcomputer 2 starts the electric sewing head 3 to sew the edge of the sack, and at the same time, the single chip microcomputer 2 starts the drive motor 75 so that its output shaft indirectly drives the corresponding feed roller 73 to rotate. The feed roller 73 sews and transports the sack through contact friction. At the same time, the single chip microcomputer 2 starts the pressure sensor 8, and the pressure sensor 8 measures the contact pressure of the sack on the sewing table 1, and transmits the measurement result to the single chip microcomputer 2 in the form of an electrical signal. The values ​​measured by the pressure sensor 8 in the initial state are When the sewing is not smooth during the sewing and conveying of the sack, the detection values ​​of the two pressure sensors 8 differ from the specified values. Then the single chip computer 2 starts the electro-hydraulic push rod 78 so that its telescopic end drives the synchronous seat 76 to move horizontally. The synchronous seat 76 drives the corresponding feed roller 73 to slide along the guide groove 74. The contact friction between the feed rollers 73 is used to adjust the lateral positions of the front and rear ends of the sack, so that the detection value of the pressure sensor 8 is restored to the specified value, thereby realizing automatic deviation correction of the sewing part of the sack. The adjustable sack production sewing machine can automatically sew and convey the sack and correct the sewing deviation through the power element and the detection element. It is easy to use and effectively reduces the labor intensity.

[0026] Among them: it also includes a single-chip microcomputer 2, which is arranged outside the sewing table 1, the input end of the single-chip microcomputer 2 is electrically connected to the external power supply, and the output end of the single-chip microcomputer 2 is electrically connected to the input end of the electric sewing head 3, which is convenient for controlling electrical components.

[0027] The working principle of an adjustable sack production sewing machine provided by the utility model is as follows: the device can be placed in a designated position by means of a support frame 9. When sewing the edge of the sack during production, first, according to the volume of the sack itself, the extension plate 4 is moved to slide along the groove, thereby adjusting the overall sewing support area of ​​the sewing table 1. Then, the locking stud 6 is rotated to move it backward through a threaded connection, thereby plugging it into an adjacent locking hole 5, thereby fixing the position of the extension plate 4. Then, the sack is passed from front to back in sequence between two vertically adjacent feed rollers 73 and the sewing part of the electric sewing head 3, and at the same time, the sewing edge of the sack is brought into contact with the pressure detection surfaces of the two pressure sensors 8. Then, the single-chip microcomputer 2 starts the electric sewing head 3 to sew the edge of the sack, and at the same time, the single-chip microcomputer 2 starts the drive motor 75 so that its output shaft indirectly drives the corresponding The feed roller 73 rotates, and the feed roller 73 sews and conveys the sack through contact friction. At the same time, the single-chip microcomputer 2 starts the pressure sensor 8. The pressure sensor 8 measures the contact pressure of the sack on the sewing table 1, and transmits the measurement result to the single-chip microcomputer 2 in the form of an electrical signal. The values ​​measured by the pressure sensor 8 in the initial state are all specified values. When the sewing is uneven during the sewing and conveying of the sack, the detection values ​​of the two pressure sensors 8 differ from the specified values. Then the single-chip microcomputer 2 starts the electro-hydraulic push rod 78 so that its telescopic end drives the synchronous seat 76 to move horizontally. The synchronous seat 76 drives the corresponding feed roller 73 to slide along the guide groove 74, and uses the contact friction between the feed rollers 73 to adjust the lateral position of the front and rear ends of the sack, so that the detection value of the pressure sensor 8 is restored to the specified value, thereby realizing automatic deviation correction of the sewing part of the sack.

[0028] It is worth noting that the single chip microcomputer 2 disclosed in the above embodiment can adopt COP8CBE9, the electric sewing head 3 can adopt 8280 electric sewing machine, the drive motor 75 can adopt 130SZ01, the electro-hydraulic push rod 78 can adopt DYZW integral vertical micro electro-hydraulic push rod, and the pressure sensor 8 can adopt PCM303. The single chip microcomputer 2 controls the operation of the electric sewing head 3, the drive motor 75, the electro-hydraulic push rod 78 and the pressure sensor 8, all of which adopt the methods commonly used in the prior art.

[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An adjustable sack production sewing machine, characterized in that: It comprises a sewing table (1) and a sack sewing edge adjustment mechanism (7); A sewing table (1): an electric sewing head (3) is arranged on the upper side thereof, a groove is arranged on the left side of the sewing table (1), an extension plate (4) is slidably connected inside the groove, and through grooves are arranged at both the front and rear ends of the upper side of the sewing table (1); Sack sewing edge adjustment mechanism (7): it is arranged between the through slot and the sewing table (1), and the sack sewing edge adjustment mechanism (7) is installed in coordination with the electric sewing head (3); The invention also includes a single chip microcomputer (2), which is arranged outside the sewing table (1), the input end of the single chip microcomputer (2) is electrically connected to an external power supply, and the output end of the single chip microcomputer (2) is electrically connected to the input end of an electric sewing head (3).

2. An adjustable sack production sewing machine according to claim 1, characterized in that: The front side of the extension plate (4) is provided with evenly distributed locking holes (5), the front left end of the sewing table (1) is threadedly connected with a locking stud (6), and the rear end of the locking stud (6) is plugged into the adjacent locking hole (5).

3. An adjustable sack production sewing machine according to claim 1, characterized in that: The sack sewing edge adjustment mechanism (7) comprises a fixed seat (71), a rotating shaft (72), a feed roller (73) and a driving motor (75). The fixed seat (71) is evenly arranged on the upper side of the sewing table (1). The left side of the fixed seat (71) and the inside of the through groove are rotatably connected to the rotating shaft (72) through a bearing. The outer side of the rotating shaft (72) is slidably connected to the feed roller (73). The feed roller (73) is installed in coordination with the electric sewing head (3). The left wall of the fixed seat (71) is provided with a driving motor (75). The input end of the driving motor (75) is electrically connected to the output end of the single chip computer (2). The output shaft of the driving motor (75) is fixedly connected to the adjacent rotating shaft (72).

4. An adjustable sack production sewing machine according to claim 3, characterized in that: The sack sewing edge adjustment mechanism (7) further comprises guide grooves (74), wherein the guide grooves (74) are all arranged on the outside of the rotating shaft (72), and the inside of the feeding roller (73) is slidably connected to the guide grooves (74) via guide strips.

5. An adjustable sack production sewing machine according to claim 3, characterized in that: The sack sewing edge adjustment mechanism (7) further comprises a synchronous seat (76), a mounting seat (77) and an electro-hydraulic push rod (78); the mounting seat (77) is evenly arranged on the lower side of the sewing table (1); an electro-hydraulic push rod (78) is arranged on the left side of the mounting seat (77); the input end of the electro-hydraulic push rod (78) is electrically connected to the output end of the single-chip computer (2); two vertically adjacent feed rollers (73) are rotatably connected to the synchronous seat (76) via bearings; and the telescopic end of the electro-hydraulic push rod (78) is fixedly connected to the adjacent synchronous seat (76).

6. An adjustable sack production sewing machine according to claim 1, characterized in that: The upper side of the sewing table (1) is provided with uniformly distributed pressure sensors (8), and the pressure sensors (8) are all bidirectionally electrically connected to the single-chip computer (2).

7. An adjustable sack production sewing machine according to claim 1, characterized in that: A support frame (9) is provided on the lower side of the sewing table (1).

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