Supporting mechanism and sewing device for ton bag flash sewing

Abstract

The utility model discloses a supporting mechanism and a sewing device for sewing flashes of a ton bag, relates to the technical field of ton bag production, and can solve the problems that an inner bag and an outer bag of an existing ton bag are lack of support in sewing, and the sewing yield is not high. The supporting mechanism comprises an installation rod and two ton bag supporting mechanisms, the installation rod is used for being installed on a sewing device, each ton bag supporting mechanism comprises a sliding rod and an outer supporting rod, the sliding rod is connected with the installation rod in a sliding mode, the outer supporting rod is fixedly connected with the sliding rod, and the outer supporting rod is perpendicular to the sliding rod. The driving mechanism is used for driving the sliding rod to reciprocate in the axial direction, and the output end of the driving mechanism is fixedly connected with the sliding rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to ton bag production technical field, concretely relates to a kind of ton bag fly edge sewing support mechanism and sewing device. BACKGROUND

[0002] Ton bag is also called flexible bulk bag, it is a kind of flexible container for storing and transporting bulk materials, widely used in packaging industry, different packaged materials dustproof requirements, waterproof and moistureproof requirements, high strength requirements are generally modified.

[0003] Partially sealed requirements, strength requirements, and overall performance requirements of ton bag, fly edge design will be carried out to improve the overall performance of ton bag, and it is beneficial to centralized storage placement.But at present, when ton bag fly edge is sewn, it is difficult to align due to the relative free state of inner bag and outer bag during sewing, resulting in folding, wrinkling and other phenomena during sewing, affecting overall volume, performance and other indicators, becoming unqualified products.

[0004] Therefore, the inventor has invented a ton bag fly edge sewing support mechanism and sewing device to solve the problem of lack of support for ton bag inner and outer bag sewing and low sewing yield, SUMMARY

[0005] The purpose of the present application is to provide a ton bag fly edge sewing support mechanism and sewing device to solve the problem of lack of support for ton bag inner and outer bag sewing and low sewing yield.

[0006] To solve the above technical problems, the utility model adopts the following scheme:

[0007] On the one hand, the present application provides a ton bag fly edge sewing support mechanism, including mounting rod for mounting to sewing device, and two ton bag support mechanisms, wherein:

[0008] The ton bag support mechanism includes a sliding rod connected with the mounting rod, and an outer support rod fixedly connected with the sliding rod, and the outer support rod is perpendicular to the sliding rod;

[0009] It also includes a driving mechanism for driving the sliding rod to move reciprocally along its axial direction, and the output end of the driving mechanism is fixedly connected with the sliding rod.

[0010] Optionally, the driving mechanism is a double-head driving air cylinder;

[0011] The two ton bag support mechanisms are symmetrically arranged on both sides of the double-head driving air cylinder.

[0012] Optionally, the outer support rod is provided with a wide diameter section on the side away from the sliding rod.

[0013] Optionally, the length of the wide diameter section accounts for 30% to 70% of the total length of the outer support rod.

[0014] Optionally, the ton bag supporting mechanism further comprises an inner rod arranged in parallel with the outer support rod, the inner rod is located on the side where the two ton bag supporting mechanisms are close to each other, and the inner rod and the outer support rod have a strip-shaped spacing area therebetween.

[0015] Optionally, the strip-shaped spacing area has a width ranging from 3mm to 10mm.

[0016] Optionally, the outer support rod has a circular cross-sectional shape, and the inner rod has an elliptical, waist-round, or rounded rectangular cross-sectional shape.

[0017] Optionally, the mounting rod is further provided with two guide rings located on the two sides of the driving mechanism.

[0018] The sliding rod is arranged in the guide ring, one end of the sliding rod is fixed to the output end of the driving mechanism, and the other end is fixedly connected with the end of the outer support rod.

[0019] On the other hand, the application provides a ton bag sewing device, which comprises the above-mentioned ton bag fly edge sewing supporting mechanism, and further comprises a sewing platform and a sewing mechanism arranged on the sewing platform.

[0020] The driving mechanism and the mounting rod are both mounted on the sewing platform.

[0021] The middle region of the outer support rod is located directly below the sewing end of the sewing mechanism.

[0022] The beneficial effects of the utility model are as follows:

[0023] Firstly, the application drives the two ton bag supporting mechanisms away from each other through the driving mechanism after the ton bag main body is sleeved, so that the two outer support rods of the two ton bag supporting mechanisms are away from each other, thereby unfolding the ton bag main body, and then the fly edge is sewn by the sewing mechanism. During the sewing process, the artificial experience is no longer relied on, and the problem of lack of support during the sewing of the inner and outer bags of the ton bag and the low sewing yield can be solved.

[0024] Secondly, the ton bag supporting mechanism of the application further comprises an inner rod arranged in parallel with the outer support rod, so that the outer support rod and the inner rod have a strip-shaped spacing area for placing materials. During the fly edge sewing process, the strip-shaped PP or PE material can be placed in the spacing area, which facilitates the subsequent hot melting process and improves the sewing efficiency.

[0025] Third, the outer support rod of the application is provided with a wide diameter section, and the wide diameter section is close to the free end of the outer support rod, so that after the driving mechanism of the application drives the outer support rod to unfold the ton bag body, the seamers only sew in the wide diameter section, and after the sewing in the wide diameter section is completed, the sewed part is pulled out, and then the sewing is continued until it is completed, so that the length of the ton bag supporting mechanism of the application does not need to completely match the depth of the ton bag, the adaptability of various models can be improved, and the problem of ton bag supporting mechanism special bag is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of embodiment 1 of the application.

[0027] Figure 2 It is a schematic diagram of the supporting mechanism in embodiment 1 of the application after being sleeved with a ton bag.

[0028] Figure 3 It is a top view structural schematic diagram of embodiment 2 of the application.

[0029] Mark 1- mounting rod, 11- guide ring, 2- driving cylinder, 21- driving shaft, 3- ton bag supporting structure, 31- slide rod, 32- inner rod, 33- outer support rod, 331- wide diameter section, 34- strip-shaped interval area, 41- ton bag body, 51- sewing platform, 52- sewing mechanism. DETAILED DESCRIPTION

[0030] The application will be further described in detail below in combination with embodiments and drawings, but the implementation mode of the application is not limited thereto.

[0031] In the description of the application, it should be explained that the directions or position relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom" and the like are based on the directions or position relationships shown in the drawings, or the directions or position relationships commonly placed when the product of the application is used, and are only for the convenience of describing the application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the application.

[0032] In the description of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms "set", "open", "install", "connect", "connect" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, or integrally connected, it can be mechanical connection, also can be electrical connection, it can be direct connection, also can be indirect connection through intermediate medium, it can be the communication inside two elements, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0033] The utility model will be described in detail below by referring to the drawings and combining embodiments.

[0034] Embodiment 1:

[0035] As Figure 1 And Figure 2 The supporting mechanism for ton bag flash seaming of the embodiment, including the mounting rod 1 for installing to the seaming device, and two ton bag supporting mechanisms, wherein:

[0036] The ton bag supporting mechanism includes the sliding rod 31 slidably connected with the mounting rod 1, and the outer support rod 33 fixedly connected with the sliding rod 31, and the outer support rod 33 is perpendicular to the sliding rod 31.

[0037] Further include the driving mechanism for driving the sliding rod 31 to reciprocate along its axial direction, and the output end of the driving mechanism is fixedly connected with the sliding rod 31.

[0038] The embodiment sets up two ton bag supporting mechanisms and driving mechanisms, after ton bag main body 41 is set up, the two ton bag supporting mechanisms can be driven away from each other by the driving mechanism, and then the two outer support rods 33 of the two ton bag supporting mechanisms are driven away from each other, so that ton bag main body 41 is unfolded, at this time, the flash seaming is carried out by using the seaming mechanism 52, and when seaming, it is no longer completely relied on artificial experience, and the problems of lacking support when seaming the inner and outer bags of ton bag and low seaming yield can be solved.

[0039] Specifically, in the embodiment, as Figure 1 And Figure 2 The driving mechanism is double-head driving cylinder 2.

[0040] The two ton bag supporting mechanisms are symmetrically arranged on the two sides of the double-head driving cylinder 2, and in the embodiment, the double-head driving cylinder 2 can be replaced by other driving mechanisms of double-head telescopic electric rod, which is not exemplified here.

[0041] Specifically, in the present embodiment, the outer support rod 33 is provided with a wide diameter section 331 on the side away from the slide rod 31. By providing the wide diameter section 331 and arranging the wide diameter section 331 close to the free end of the outer support rod 33, after the driving mechanism of the present embodiment drives the outer support rod 33 to unfold the ton bag body 41, the seamers only need to sew on the wide diameter section 331, and after the sewing on the wide diameter section 331 is completed, the sewed part is pulled out, and then the sewing continues until it is completed. Therefore, the length of the ton bag support mechanism of the present application does not need to completely match the depth of the ton bag, which can improve the adaptability of various models and avoid the problem of ton bag support mechanism being dedicated to a specific bag.

[0042] Specifically, in the present embodiment, the length of the wide diameter section 331 accounts for 50% of the total length of the outer support rod 33. The skilled person can design the length of the wide diameter section 331 according to the requirements, such as 30%, 70%, etc.

[0043] Specifically, in the present embodiment, the ton bag support mechanism further comprises an inner rod 32 arranged parallel to the outer support rod 33. The inner rod 32 is located on the side close to the other ton bag support mechanism, and the inner rod 32 and the outer support rod 33 have a strip-shaped spacing area 34 therebetween. By arranging the inner rod 32 with spacing, the strip-shaped PP or PE material can be placed therein during the flash seam, which facilitates the subsequent hot melting process and improves the seam efficiency.

[0044] Specifically, in the present embodiment, the width of the strip-shaped spacing area 34 is 4mm. The skilled person can adjust the width of the strip-shaped spacing area 34 according to the requirements, which will not be described here.

[0045] Specifically, in the present embodiment, the cross-sectional shape of the outer support rod 33 is circular, which avoids damaging the ton bag body 41 when the outer support rod 33 unfolds the ton bag body 41. The cross-sectional shape of the inner rod 32 in the present embodiment is elliptical, which facilitates the seam operation of the seamers. The skilled person can also set the cross-section of the inner rod 32 to other shapes according to the requirements, such as kidney-shaped, rounded rectangular, etc.

[0046] Specifically, in the present embodiment, the mounting rod 1 is further provided with two guide rings 11 located on both sides of the driving mechanism, which provide guiding and restraining functions for the slide rod 31, avoiding the problem of imbalance of the outer support rods 33 of the two ton bag support mechanisms, which affects the support and seam effect.

[0047] The slide rod 31 is arranged in the guide ring 11, one end of the slide rod 31 is fixed to the output end of the driving mechanism, and the other end is fixedly connected with the end of the outer support rod 33.

[0048] Embodiment 2:

[0049] On the basis of the above-mentioned embodiment 1, asFigure 3 As shown in the drawings, the embodiment provides a ton bag sewing device, which comprises the support mechanism for ton bag flash sewing as described above, and further comprises a sewing platform 51 and a sewing mechanism 52 arranged on the sewing platform 51;

[0050] The driving mechanism and the mounting rod 1 are both mounted on the sewing platform 51;

[0051] The middle region of the outer supporting rod 33 is located directly below the sewing end of the sewing mechanism 52.

[0052] The sewing mechanism 52 and the sewing platform 51 in the embodiment are both conventional sewing device components, and thus will not be described herein.

[0053] The remaining structure of the embodiment is the same as that of the above-described embodiment 1, and thus will not be described herein.

[0054] It can be understood that the above embodiments are only exemplary embodiments adopted for illustrating the principles of the present application, and the present application is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present application, and these modifications and improvements are also regarded as the protection scope of the present application.

Claims

1. A support mechanism for sewing the edge of a ton bag, characterized in that, Includes a mounting rod (1) for mounting onto the sewing device, and two ton bag support mechanisms, wherein: The ton bag support mechanism includes a slide rod (31) slidably connected to the mounting rod (1), and an outer support rod (33) fixedly connected to the slide rod (31). The outer support rod (33) and the slide rod (31) are perpendicular to each other. It also includes a drive mechanism for driving the slide bar (31) to reciprocate along its axial direction, the output end of the drive mechanism being fixedly connected to the slide bar (31).

2. The support mechanism for sewing the edge of a ton bag according to claim 1, characterized in that, The driving mechanism is a double-headed driving cylinder (2); Two ton bag support mechanisms are symmetrically arranged on both sides of the double-headed drive cylinder (2).

3. The support mechanism for sewing the edge of a ton bag according to claim 1, characterized in that, The outer support rod (33) has a wide diameter section (331) on the side away from the slide rod (31).

4. The support mechanism for sewing the edge of a ton bag according to claim 3, characterized in that, The length of the wide-diameter section (331) accounts for 30% to 70% of the total length of the outer strut (33).

5. The support mechanism for sewing the edge of a ton bag according to claim 1, characterized in that, The ton bag support mechanism also includes an inner rod (32) arranged parallel to the outer support rod (33). The inner rod (32) is located on the side where the two ton bag support mechanisms are close to each other, and there is a strip-shaped interval area (34) between the inner rod (32) and the outer support rod (33).

6. The support mechanism for sewing the edge of a ton bag according to claim 5, characterized in that, The width of the strip-shaped interval (34) ranges from 3 mm to 10 mm.

7. The support mechanism for sewing the edge of a ton bag according to claim 5, characterized in that, The cross-sectional shape of the outer support rod (33) is circular, and the cross-sectional shape of the inner rod (32) is any one of ellipse, oval, or rounded rectangle.

8. The support mechanism for sewing the edge of a ton bag according to claim 1, characterized in that, The mounting rod (1) is also provided with two guide rings (11) located on both sides of the drive mechanism; The slide rod (31) passes through the guide ring (11), with one end of the slide rod (31) fixed to the output end of the drive mechanism and the other end fixedly connected to the end of the outer support rod (33).

9. A ton bag sewing device, comprising a support mechanism for sewing the edge of a ton bag as described in any one of claims 1-8, characterized in that, It also includes a suture platform (51) and a suture mechanism (52) disposed on the suture platform (51); The drive mechanism and the mounting rod (1) are both mounted on the sewing platform (51); The middle region of the external support rod (33) is located directly below the suturing end of the suturing mechanism (52).

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