Opening mechanism for sewing flexible freight bag
By designing a opening mechanism for sewing container bags, the automatic opening of container bags is achieved by using drive devices and sliding components, the problems of inconvenient operation and low accuracy in the prior art are solved, and are suitable for container bags of different sizes.
Patent Information
- Application Number
- CN202421613872.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-09
AI Technical Summary
In the prior art, the opening operation of container bags is relatively inconvenient, has low accuracy, and is difficult to adapt to container bags of different sizes.
A stretching mechanism for sewing container bags is designed, including columns, cross beams, sliding components, struts, removable fixtures and drive devices. The sliding components and struts move on the cross beam are controlled by the drive device to realize automatic stretching of container bags.
It improves the convenience and accuracy of container bag opening operation, can adapt to container bags of different sizes, and reduces the need for manual operation.
Smart Images
Figure CN222758480U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of container bag processing, and more specifically relates to an opening mechanism for sewing container bags. Background Art
[0002] Bulk bags are a kind of flexible transport packaging container, which has the advantages of moisture-proof, dust-proof, radiation-resistant, firm and safe, and has sufficient structural strength; because bulk bags are easy to load and unload and carry, the loading and unloading efficiency is significantly improved. Bulk bags are generally woven with polyester fibers such as polypropylene and polyethylene. At present, during the sewing process of bulk bags, the bulk bags are placed on the sewing machine, which makes the sewing operation of the bulk bags more accurate and convenient, and the staff needs to manually open the bulk bags; however, this opening method is inconvenient for the operation of the bulk bags and has low accuracy; at the same time, it is not easy to open the bulk bags of different sizes. Utility Model Content
[0003] The utility model aims to provide a bulk bag sewing expansion mechanism to solve the technical problems in the prior art that the bulk bag expansion operation is inconvenient and has low accuracy; and it is not easy to expand the bulk bags of different sizes.
[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a stretching mechanism for sewing a container bag, comprising:
[0005] A column, used for fixed installation on the sewing machine, and located on one side of the sewing machine;
[0006] A crossbeam, one end of which is fixedly mounted on the upper end of the column, and the other end of which extends toward a side away from the sewing machine;
[0007] A sliding assembly is mounted on the crossbeam and arranged along the length direction of the crossbeam; the sliding assembly has a degree of freedom for reciprocating motion along the length direction of the crossbeam;
[0008] A support rod, one end of which is fixedly mounted on the sliding assembly and the other end of which is used to be inserted into the container bag; the length direction of the support rod is perpendicular to the length direction of the crossbeam and is arranged in parallel on one side of the sewing machine;
[0009] A detachable fixing member is installed on the sliding assembly; the detachable fixing member is provided with a limiting cavity for accommodating the support rod;
[0010] A driving device is installed on the column and connected to the sliding assembly, and is used for driving the sliding assembly and the support rod to move on the crossbeam.
[0011] In a possible implementation, the sliding assembly includes two linear guides, two sliders and a mounting plate, the two linear guides are arranged in parallel and spaced apart, the two sliders are respectively mounted on the two linear guides; the mounting plate is mounted on the two sliders and fixedly connected to the two sliders; the support rod is mounted on the mounting plate, and the drive device is connected to the mounting plate.
[0012] In a possible implementation, the crossbeam is provided with long sliding holes arranged along the length direction, and the lower end of the mounting plate is provided with a guide block slidably connected to the long sliding holes; the drive device is connected to the guide block.
[0013] In a possible implementation, the driving device is a linear drive installed between the crossbeam and the column, and a fixed end of the linear drive is hinged to the column; a free end of the linear drive is hinged to the guide block.
[0014] In a possible implementation, the linear drive is a pneumatic cylinder or an oil cylinder.
[0015] In a possible implementation, the mounting plate is provided with a plurality of connection holes, and the plurality of connection holes are grouped in pairs; the detachable fixing member includes:
[0016] There are multiple U-shaped hoops, which are inverted and installed on the mounting plate; the two ends of the U-shaped hoops are respectively inserted into the two connecting holes in the same group; the limiting cavity is formed between the multiple U-shaped hoops and the mounting plate;
[0017] There are multiple locking pieces, which correspond one-to-one to the multiple connecting holes; the locking pieces are installed at both ends of the U-shaped hoop and are used to fix the U-shaped hoop to the mounting plate.
[0018] In a possible implementation, both ends of the U-shaped hoop are provided with external thread sections, and the locking piece is a locking nut.
[0019] In a possible implementation, a limit block for limiting the moving distance of the sliding assembly is provided on the crossbeam.
[0020] In a possible implementation, the upper end of the column is fixedly connected to the lower side of one end of the beam; an installation groove is provided at the end of the beam close to the sewing machine, one side of the sewing machine is cooperatively installed in the installation groove and the beam is fixedly connected to the sewing machine.
[0021] In a possible implementation, the expansion mechanism for sewing the bulk bag also includes a reinforcing rod installed between the crossbeam and the column, the reinforcing rod is arranged obliquely, and the lower end of the reinforcing rod is fixedly connected to the column, and the upper end is fixedly connected to the end of the crossbeam away from the sewing machine; the sewing machine is provided with two avoidance holes arranged at intervals.
[0022] The beneficial effects of the bulk bag sewing stretching mechanism provided by the utility model are as follows: compared with the prior art, the bulk bag sewing stretching mechanism of the utility model, before working, installs a column and a crossbeam on one side of the sewing machine, and cooperates to install the sliding assembly, the strut, the detachable fixing part and the driving assembly on the column and the crossbeam; when working, the bulk bag is placed on the sewing machine, and the other end of the strut is inserted into the bulk bag; the driving device is started to control the sliding assembly to move along the length direction of the crossbeam toward the side away from the sewing machine, thereby driving the other end of the strut to move in the bulk bag until the strut props up the bulk bag The machine is opened so that the staff can operate the sewing machine to work; the staff does not need to manually open the container bag, which makes the operation more convenient and the operation accuracy is higher; at the same time, when the size of the processed container bag changes, the driving device first controls the sliding assembly and the moving distance of the container bag to adapt to the change, and the detachable fixing part is opened to control the strut to move in the limit cavity, so as to adjust the distance of the strut entering different container bags to be appropriate, so as to open the container bag well; in this way, the opening action of the container bag is convenient to operate and has high accuracy; at the same time, the container bags of different sizes can also be opened well. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0024] Figure 1 A schematic diagram of the structure of the expansion mechanism for sewing a container bag provided in an embodiment of the utility model Figure 1 ;
[0025] Figure 2 A schematic diagram of the structure of the expansion mechanism for sewing a container bag provided in an embodiment of the utility model Figure 2 ;
[0026] Figure 3 A cross-sectional view of a crossbeam provided in an embodiment of the utility model;
[0027] Figure 4 A top view of a crossbeam provided in an embodiment of the utility model;
[0028] Figure 5 A schematic diagram of the connection between the detachable fixing member, the support rod and the driving member provided in the embodiment of the utility model;
[0029] Figure 6 A schematic structural diagram of a support rod provided in an embodiment of the utility model.
[0030] Among them, the reference numerals in the figure are:
[0031] 1. Column; 11. Mounting groove; 2. Crossbeam; 21. Long sliding hole; 22. Guide block; 23. Limit block; 24. Baffle; 3. Sliding assembly; 31. Linear guide rail; 32. Two sliders; 33. Mounting plate; 34. Connecting hole; 4. Support rod; 41. Bending section; 5. Removable fixing part; 51. Limiting cavity; 52. U-shaped hoop; 53. Locking part; 6. Driving device; 7. Reinforcing rod; 71. Avoidance hole; 8. Sewing machine. DETAILED DESCRIPTION
[0032] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0033] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0034] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0036] See also Figures 1 to 6Now, the expansion mechanism for sewing a container bag provided by the utility model is described. A stretching mechanism for sewing a bulk bag comprises a column 1, a crossbeam 2, a sliding assembly 3, a strut 4, a detachable fixing part 5 and a driving device 6; the column 1 is used for being fixedly mounted on a sewing machine 8 and is located on one side of the sewing machine 8; one end of the crossbeam 2 is fixedly mounted on the upper end of the column 1, and the other end extends toward a side away from the sewing machine 8; the sliding assembly 3 is mounted on the crossbeam 2 and is arranged along the length direction of the crossbeam 2; the sliding assembly 3 has the degree of freedom for reciprocating motion along the length direction of the crossbeam 2; one end of the strut 4 is fixedly mounted on the sliding assembly 3, and the other end is used for being inserted into the bulk bag; the length direction of the strut 4 is perpendicular to the length direction of the crossbeam 2, and is arranged in parallel on one side of the sewing machine 8; the detachable fixing part 5 is mounted on the sliding assembly 3; a limiting cavity 51 for accommodating the strut 4 is provided on the detachable fixing part 5; the driving device 6 is mounted on the column 1 and is connected to the sliding assembly 3, and is used to drive the sliding assembly 3 and the strut 4 to move on the crossbeam 2.
[0037] Compared with the prior art, the utility model provides a bulk bag sewing stretching mechanism. Before working, a column 1 and a crossbeam 2 are installed on one side of a sewing machine 8, and a sliding assembly 3, a strut 4, a detachable fixing member 5 and a driving assembly are cooperatively installed on the column 1 and the crossbeam 2; when working, the bulk bag is placed on the sewing machine 8, and the other end of the strut 4 is inserted into the bulk bag; the driving device 6 is started to control the sliding assembly 3 to move along the length direction of the crossbeam 2 toward the side away from the sewing machine 8, thereby driving the other end of the strut 4 to move in the bulk bag until the strut 4 stretches the bulk bag to allow the worker to open the bulk bag. The worker controls the sewing machine 8 to work; the worker does not need to manually open the container bag, the operation is more convenient, and the operation accuracy is higher; at the same time, when the size of the processed container bag changes, the driving device 6 first controls the sliding component 3 and the moving distance of the container bag to change adaptively, and the detachable fixing part 5 is opened to control the strut 4 to move in the limiting cavity 51, so as to adjust the distance that the strut 4 enters different container bags to be appropriate, so as to open the container bag well; in this way, the opening action of the container bag is convenient to operate and has high accuracy; at the same time, the container bags of different sizes can also be opened well.
[0038] The other end of the support rod 4 is provided with a bent section 41, which increases the length of the support rod 4 in the container bag, thereby making the container bag more open and making the sewing machine 8 sew the container bag more accurately.
[0039] See also Figure 1 and Figure 2As a specific embodiment of the container bag sewing opening mechanism provided by the utility model, the sliding assembly 3 includes two linear guides 31, two sliders 32 and a mounting plate 33. The two linear guides 31 are arranged in parallel and spaced apart, and the two sliders 32 are respectively mounted on the two linear guides 31 in cooperation; the mounting plate 33 is mounted on the two sliders 32 and fixedly connected with the two sliders 32; the support rod 4 is mounted on the mounting plate 33, and the driving device 6 is connected with the mounting plate 33; two linear guides 31 are mounted on the upper end surface of the crossbeam 2, and sliders are mounted on the two linear guides 31, and then the mounting plate 33 is used to fix the two sliders 32, so as to form a stable and accurate sliding assembly 3; the support rod 4 is mounted on the mounting plate 33, and the detachable fixing member 5 is used to install it on the mounting plate 33 to realize the fixing of the support rod 4. The driving device 6 is connected to the mounting plate 33, so that the mounting plate 33 and the support rod 4 can move smoothly and accurately with the help of the matching installation of the slider and the linear guide 31.
[0040] See also Figure 3 and Figure 4 As a specific embodiment of the expansion mechanism for sewing a container bag provided by the utility model, the cross beam 2 is provided with a long sliding hole 21 arranged along the length direction, and the lower end of the mounting plate 33 is provided with a guide block 22 slidably connected to the long sliding hole 21; the drive device 6 is connected to the guide block 22; the long sliding hole 21 is provided on the cross beam 2, and the lower end of the mounting plate 33 is provided with a guide block 22 that is matched and installed in the long sliding hole 21, with the help of the guide block 22, the movement of the mounting plate 33 and the support rod 4 is more stable; at the same time, the lower end of the guide block 22 passes through the bottom of the cross beam 2, so that the drive device 6 is connected to the lower end of the guide block 22.
[0041] See also Figure 1 and Figure 2 As a specific embodiment of the expansion mechanism for sewing a container bag provided by the utility model, the driving device 6 is a linear driver installed between the crossbeam 2 and the column 1, and the fixed end of the linear driver is hinged to the column 1; the free end of the linear driver is hinged to the guide block 22; the lower end of the linear driver is hinged to one side of the lower end of the column 1, and the upper end is hinged to the guide block 22 on the sliding component 3; after starting the linear driver, the upper and lower ends of the linear driver are respectively hinged to the column 1 and the guide block 22, and the sliding component 3 has the freedom to move along the horizontal length direction, so that the driving component is rotated to control the sliding component 3 and the support rod 4 to slide on the crossbeam 2.
[0042] See also Figure 1 and Figure 2As a specific embodiment of the stretching mechanism for sewing a container bag provided by the utility model, the linear actuator is a pneumatic cylinder or an oil cylinder; when the pneumatic cylinder is used as the linear actuator, the cylinder moves quickly and reacts quickly, and can quickly perform action conversion and reaction. In addition, the cylinder has low noise and does not cause pollution. When the oil cylinder is used as the linear actuator, the movement of the oil cylinder is very stable, without impact and vibration, so the movement of the sliding component 3 and the strut 4 is smoother; and the oil cylinder can more accurately control the position and speed of the oil cylinder for the movement of the sliding component 3 and the strut 4. At the same time, the oil cylinder has a large load-bearing capacity, and can stably and reliably drive the strut 4 to move.
[0043] See also Figure 1 , Figure 2 and Figure 5 As a specific embodiment of the container bag sewing expansion mechanism provided by the utility model, a plurality of connecting holes 34 are provided on the mounting plate 33, and the plurality of connecting holes 34 are grouped in pairs; the detachable fixing member 5 includes a U-shaped hoop 52 and a locking member 53, the number of the U-shaped hoop 52 is multiple, and it is invertedly installed on the mounting plate 33; the two ends of the U-shaped hoop 52 are respectively penetrated in the two connecting holes 34 of the same group; a limiting cavity 51 is formed between the plurality of U-shaped hoops 52 and the mounting plate 33; the number of the locking member 53 is multiple, and it is connected to the mounting plate 33. The multiple connection holes 34 correspond to each other; the locking pieces 53 are installed at both ends of the U-shaped hoop 52, and are used to fix the U-shaped hoop 52 on the mounting plate 33; when the support rod 4 is installed on the mounting plate 33, the support rod 4 is located between the two groups of connection holes 34, and then the multiple U-shaped hoops 52 installed inverted are buckled on the support rod 4; at the same time, the two ends of the U-shaped hoop 52 are respectively passed through the two connection holes 34 of the same group, so that the support rod 4 is inserted into the limiting cavity 51 of the U-shaped hoop 52, and the U-shaped hoop 52 is fixed on the mounting plate 33 using the locking pieces 53. When the position of the support rod 4 needs to be adjusted, the staff loosens the locking pieces 53 to open the U-shaped hoop 52, and the support rod 4 can be manipulated to move in the limiting cavity 51.
[0044] See also Figure 5 As a specific embodiment of the container bag sewing stretching mechanism provided by the utility model, both ends of the U-shaped hoop 52 are provided with external thread segments, and the locking piece 53 is a locking nut; the U-shaped hoop 52 is formed by bending a cylindrical rod, and both ends of the U-shaped hoop 52 are provided with external thread segments. After the lower end of the U-shaped hoop 52 passes through the two connecting holes 34, the U-shaped hoop 52 is fixedly connected to the mounting plate 33 using a locking nut. With the help of the locking nut and the external thread segment, the installation and removal of the detachable fixing piece 5 to the U-shaped hoop 52 are both convenient and quick.
[0045] See also Figures 1 to 4As a specific embodiment of the container bag sewing opening mechanism provided by the utility model, a limit block 23 for limiting the moving distance of the sliding assembly 3 is provided on the crossbeam 2; the limit block 23 is installed at the end of the crossbeam 2, so that the sliding assembly 3 is limited in the limit position of movement on the crossbeam 2, thereby ensuring that the sliding assembly 3 and the support rod 4 will not fall off the crossbeam 2. The limit block 23 is set as a rubber block to avoid a strong collision between the limit block 23 and the sliding assembly 3.
[0046] See also Figures 1 to 4 As a specific embodiment of the container bag sewing opening mechanism provided by the utility model, the upper end of the column 1 is fixedly connected to the lower side of one end of the beam 2; the end of the beam 2 close to the sewing machine 8 is provided with a mounting groove 11, one side of the sewing machine 8 is matched and installed in the mounting groove 11 and the beam 2 is fixedly connected to the sewing machine 8; a plurality of through holes connected to the mounting groove 11 are provided at one end of the beam 2, and a plurality of screw holes are provided at the upper end of one side of the sewing machine 8. When the beam 2 is docked and installed on the sewing machine 8, one side of the sewing machine 8 is matched and installed into the mounting groove 11 of the beam 2, so that the through holes on the beam 2 are coaxially aligned with the screw holes, and finally a plurality of bolts are used to pass through the corresponding through holes and are threadedly connected with the corresponding screw holes, so as to realize the fixed connection between the beam 2 and the sewing machine 8. In this way, the beam 2 is fixedly connected to the column 1, and the column 1 and the beam 2 are both fixedly connected to the sewing machine 8, so that the fixing of the container bag sewing opening mechanism is more firm and reliable.
[0047] See also Figure 1 and Figure 2 As a specific embodiment of the bulk bag sewing stretching mechanism provided by the utility model, the bulk bag sewing stretching mechanism also includes a reinforcing rod 7 installed between the crossbeam 2 and the column 1, the reinforcing rod 7 is arranged obliquely, and the lower end is fixedly connected to the column 1, and the upper end is fixedly connected to the end of the crossbeam 2 away from the sewing machine 8; the sewing machine 8 is provided with two avoidance holes 71 arranged at intervals; the reinforcing rod 7 is arranged so that the column 1 and the crossbeam 2 form a triangular structure, so that the strength and stability of the entire bulk bag sewing stretching mechanism are high. The reinforcing rod 7 is arranged obliquely, and its lower end is fixedly connected to the lower end of one side of the sewing machine 8, and the upper end is fixedly connected to the end of the crossbeam 2 away from the sewing machine 8. A baffle 24 is provided at the end of the crossbeam 2 away from the sewing machine 8, and the lower end of the baffle 24 extends downward to the bottom of the crossbeam 2, and the upper end of the reinforcing rod 7 is fixedly connected to the baffle 24. Two avoidance holes 71 are provided on the reinforcing rod 7, and the two avoidance holes 71 are arranged at intervals, and the two avoidance holes 71 correspond to the inlet end and the outlet end of the driving device 6, and when the driving device 6 rotates, the inlet end and the outlet end of the driving device 6 respectively enter the two avoidance holes 71. At the same time, the weight of the reinforcing rod 7 is also reduced by means of the avoidance holes 71.
[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A container bag sewing expansion mechanism, characterized in that: include: A column, used for fixed installation on the sewing machine, and located on one side of the sewing machine; A crossbeam, one end of which is fixedly mounted on the upper end of the column, and the other end of which extends toward a side away from the sewing machine; A sliding assembly is mounted on the crossbeam and arranged along the length direction of the crossbeam; the sliding assembly has a degree of freedom for reciprocating motion along the length direction of the crossbeam; A support rod, one end of which is fixedly mounted on the sliding assembly and the other end of which is used to be inserted into the container bag; the length direction of the support rod is perpendicular to the length direction of the crossbeam and is arranged in parallel on one side of the sewing machine; A detachable fixing member is installed on the sliding assembly; the detachable fixing member is provided with a limiting cavity for accommodating the support rod; A driving device is installed on the column and connected to the sliding assembly, and is used for driving the sliding assembly and the support rod to move on the crossbeam.
2. The expansion mechanism for sewing a container bag according to claim 1, characterized in that: The sliding assembly includes two linear guides, two sliders and a mounting plate. The two linear guides are arranged in parallel and spaced apart. The two sliders are respectively mounted on the two linear guides. The mounting plate is mounted on the two sliders and fixedly connected to the two sliders. The support rod is mounted on the mounting plate, and the drive device is connected to the mounting plate.
3. The expansion mechanism for sewing a bulk bag according to claim 2, characterized in that: The crossbeam is provided with long sliding holes arranged along the length direction, and the lower end of the mounting plate is provided with a guide block slidably connected to the long sliding holes; the driving device is connected to the guide block.
4. The expansion mechanism for sewing a container bag according to claim 3, characterized in that: The driving device is a linear driver installed between the crossbeam and the column, the fixed end of the linear driver is hinged to the column; the free end of the linear driver is hinged to the guide block.
5. The expansion mechanism for sewing a bulk bag according to claim 4, characterized in that: The linear drive is a pneumatic cylinder or an oil cylinder.
6. The expansion mechanism for sewing a bulk bag according to claim 2, characterized in that: The mounting plate is provided with a plurality of connection holes, and the plurality of connection holes are grouped in pairs; the detachable fixing member comprises: There are multiple U-shaped hoops, which are inverted and installed on the mounting plate; the two ends of the U-shaped hoops are respectively inserted into the two connecting holes in the same group; the limiting cavity is formed between the multiple U-shaped hoops and the mounting plate; There are multiple locking pieces, which correspond one-to-one to the multiple connecting holes; the locking pieces are installed at both ends of the U-shaped hoop and are used to fix the U-shaped hoop to the mounting plate.
7. The expansion mechanism for sewing a bulk bag according to claim 6, characterized in that: Both ends of the U-shaped hoop are provided with external thread sections, and the locking piece is a locking nut.
8. The expansion mechanism for sewing a bulk bag according to claim 1, characterized in that: A limit block for limiting the moving distance of the sliding assembly is provided on the crossbeam.
9. The expansion mechanism for sewing a bulk bag according to claim 1, characterized in that: The upper end of the column is fixedly connected to the lower side of one end of the beam; an installation groove is provided at one end of the beam close to the sewing machine, one side of the sewing machine is cooperatively installed in the installation groove and the beam is fixedly connected to the sewing machine.
10. The expansion mechanism for sewing a container bag according to any one of claims 1 to 9, characterized in that: The expansion mechanism for sewing bulk bags also includes a reinforcing rod installed between the crossbeam and the column. The reinforcing rod is arranged obliquely, and the lower end is fixedly connected to the column, and the upper end is fixedly connected to the end of the crossbeam away from the sewing machine; the sewing machine is provided with two avoidance holes arranged at intervals.