M edge folding mechanism of woven bag

Abstract

The utility model discloses a woven bag M folding mechanism which comprises an expansion frame, a guide rail shaft and two folding assemblies, the expansion frame comprises a left supporting bottom frame and a right supporting bottom frame, the bottom of the left supporting bottom frame and the bottom of the right supporting bottom frame are symmetrically distributed, and a telescopic sleeve assembly is connected between the left supporting bottom frame and the right supporting bottom frame. Comprising left flat iron connected to the two ends of a left supporting bottom frame and right flat iron connected to the two ends of a right supporting bottom frame, left supporting rod wheels are connected to the upper ends of the left flat iron, right supporting rod wheels are connected to the upper ends of the right flat iron, and a first sleeve assembly is connected between the left flat iron and the right flat iron on the same side; the telescopic sleeve assembly is connected between the left supporting bottom frame and the right supporting bottom frame, the first sleeve assembly is connected between the left flat iron and the right flat iron, the telescopic sleeve assembly and the first sleeve assembly are used for adjusting the angle between the left flat iron and the right flat iron, and the distance between the left supporting rod wheel and the right supporting rod wheel is adjusted. The base cloth is fully expanded, so that the use requirements of the base cloth with different specifications are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of edge folding mechanism, concretely is M edge folding mechanism of woven bag. BACKGROUND

[0002] In the actual sewing process of woven bag, generally through the cutting and sewing of round woven cloth base, the container woven bag is obtained, and the woven bag is required to be folded into M-shaped edge during sewing, which is beneficial to the processing of the woven bag in the sewing process and can increase the capacity of the woven bag to make the packaging more three-dimensional.

[0003] In the edge folding device, the expansion frames are fixed in size, and only a single specification of base cloth can be expanded. For woven bags of different specifications, different size expansion frames need to be frequently replaced to ensure that the base cloth is fully expanded, which has low practicability. UTILITY MODEL CONTENTS

[0004] The utility model discloses a M edge folding mechanism of woven bag, between left support base frame and right support base frame are connected with telescopic sleeve assembly, between left flat iron and right flat iron are connected first sleeve assembly, utilize telescopic sleeve assembly and first sleeve assembly adjust the angle between left flat iron and right flat iron, adjust the distance between left support lever wheel and right support lever wheel, and the base cloth is fully expanded, and the use demand of different specifications base cloth is satisfied.

[0005] The utility model provides following technical scheme: M edge folding mechanism of woven bag, including expansion frame, guide rail axle and two edge folding components, two edge folding components symmetry distribute in both sides of expansion frame, expansion frame is used for supporting the base cloth, the edge folding component is used for folding the two sides of base cloth inwards, expansion frame includes left support base frame and right support base frame of bottom symmetry distribution, left support base frame and right support base frame are connected with telescopic sleeve assembly, and the distance between left support base frame and right support base frame is adjusted through telescopic sleeve assembly;

[0006] Including left flat iron through pin shaft connection in left support base frame both ends and right flat iron through pin shaft connection in right support base frame both ends, the upper end of left flat iron is connected with left support lever wheel, and the upper end of right flat iron is connected with right support lever wheel, and the edge folding component is located between left support lever wheel and right support lever wheel, and the cylindrical base cloth is sleeved on left support lever wheel and right support lever wheel, and the first sleeve assembly is connected between the left flat iron and the right flat iron of the same side.

[0007] Further, the middle part of the left flat iron is connected with the left sleeve assembly, and the middle part of the right flat iron is connected with the right sleeve assembly, and the distance between the left support lever wheel and the distance between the right support lever wheel are controlled by the left sleeve assembly and the right sleeve assembly.

[0008] Further, the lower end of the guide rail is provided with a screw fixing plate between the left flat iron and the right flat iron, both ends of the screw fixing plate are connected with the left flat iron and the right flat iron on the two sides through the second sleeve assembly, and the other end is connected with the right flat iron on the two sides, the distance between the left flat irons and the distance between the right flat irons are adjusted, and the base cloth is fully supported.

[0009] Further, the folding edge assembly is sleeved on the guide rail shaft, the folding edge assembly comprises a guide plate and a sliding block which are sleeved on the guide rail shaft, a push rod is inserted in the guide plate, the end of the push rod is connected with the sliding block through a bearing, the other end of the sliding block is rotatably connected with a folding edge wheel through a folding edge rod, both ends of the guide rail shaft are connected with a driving assembly, and the driving assembly is connected with the push rod.

[0010] Further, the lower end of the left flat iron and the right flat iron is provided with a plurality of through holes, and a pin shaft is inserted into different through holes and connected with the left support base or the right support base.

[0011] Further, the left support base and the right support base are further connected with a guide rod and a sliding rod, a waist hole is formed in the sliding rod, a pin shaft is connected with the guide rod, and the pin shaft is inserted into the waist hole.

[0012] Further, the telescopic sleeve assembly comprises an intermediate sleeve, both ends of the intermediate sleeve are connected with nuts, the nuts are internally threadedly connected with screw rods, the screw rods extend into the intermediate sleeve, and the threads of the two screw rods are opposite.

[0013] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0014] (1) the telescopic sleeve assembly is connected between the left support base and the right support base, the first sleeve assembly is connected between the left flat iron and the right flat iron, the angle between the left flat iron and the right flat iron is adjusted by the telescopic sleeve assembly and the first sleeve assembly, the distance between the left support rod wheel and the right support rod wheel is adjusted, the base cloth is fully stretched, and the use requirement of different specifications of base cloth is met;

[0015] (2) the left sleeve assembly is connected between the left flat irons, the right sleeve assembly is connected between the right flat irons, the width between the left flat irons is adjusted, the distance between the left support rod wheels and the distance between the right support rod wheels are controlled, the excess amount on the two sides of the woven bag is adjusted, and the folding amplitude of the M folding edge is further conveniently controlled. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0017] Figure 1It is the feeding state diagram of the M folding edge mechanism of the utility model;

[0018] Figure 2 It is the folding edge state diagram of the M folding edge mechanism of the utility model;

[0019] In the figure: 11, left support base frame; 12, right support base frame; 13, telescopic sleeve assembly; 14, sliding rod; 15, guide rod; 21, left flat iron; 22, right flat iron; 23, left brace rod wheel; 24, right brace rod wheel; 31, left sleeve assembly; 32, right sleeve assembly; 33, first sleeve assembly; 34, second sleeve assembly; 35, screw fixed plate; 4, guide rail shaft; 5, folding edge assembly; 51, folding edge wheel; 52, folding edge rod; 53, sliding block; 54, push rod; 55, guide plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figure 1 And Figure 2 The utility model provides technical scheme: the M folding edge mechanism of woven bag, including extension frame, guide rail shaft 4 and two folding edge assemblies 5, two folding edge assemblies 5 are distributed in the both sides of extension frame symmetry, and extension frame is used to prop open base cloth, and folding edge assembly 5 is used to fold inwards the two sides of base cloth, and extension frame includes left support base frame 11 and right support base frame 12 that are distributed in the bottom symmetry, and left support base frame 11 and right support base frame 12 are connected with telescopic sleeve assembly 13, and the distance between left support base frame 11 and right support base frame 12 is adjusted through telescopic sleeve assembly 13, so that left support base frame 11 and right support base frame 12 can fold the woven bag base cloth of different specifications, and the application range of the folding edge mechanism is improved;

[0022] The left flat iron 21 and the right flat iron 22 are connected at both ends of the left support base 11 and the right support base 12 through a pin shaft, the upper end of the left flat iron 21 is also rotatably connected with the left support rod wheel 23 through a pin shaft, the upper end of the right flat iron 22 is rotatably connected with the right support rod wheel 24 through a pin shaft, the folding edge assembly 5 is located between the left support rod wheel 23 and the right support rod wheel 24, the cylindrical base cloth sleeve is arranged on the left support rod wheel 23 and the right support rod wheel 24, the first sleeve assembly 33 is connected between the left flat iron 21 and the right flat iron 22 on the same side, both ends of the first sleeve assembly 33 are hingedly connected to the left flat iron 21 and the right flat iron 22 through a pin shaft, the angle between the left flat iron 21 and the right flat iron 22 is controlled through the adjustment of the first sleeve assembly 33, the distance between the left support rod wheel 23 and the right support rod wheel 24 is further adjusted, the demand of different specifications of base cloth is met, and the base cloth is fully stretched out.

[0023] The structure of the telescopic sleeve assembly 13 is the same as that of the left sleeve assembly 31, the right sleeve assembly 32, the first sleeve assembly 33 and the second sleeve assembly 34, the telescopic sleeve assembly 13 comprises a middle sleeve, nuts are connected at both ends of the middle sleeve, screw rods are threadedly connected in the nuts, the screw rods extend into the middle sleeve, the threads of the two screw rods are opposite, the nut is rotated through the rotation of the middle sleeve, the screw rod is further driven to engage with the nut, and the extension length of the screw rod is adjusted.

[0024] The left sleeve assembly 31 is connected between the middle portions of the left flat iron 21, the right sleeve assembly 32 is connected between the middle portions of the right flat iron 22, the distance between the left flat iron 21 is adjusted through the left sleeve assembly 31, the distance between the right flat iron 22 is adjusted through the right sleeve assembly 32, the width of the opening at the other end of the woven bag is changed, so that the excess on both sides of the woven bag can be adjusted, and the folding amplitude of the M-folded edge of the woven bag is controlled.

[0025] The lower end of the guide rail is provided with a screw rod fixing plate 35 between the left flat iron 21 and the right flat iron 22, one end of the screw rod fixing plate 35 is connected with the left flat iron 21 on both sides through the second sleeve assembly 34, the other end is connected with the right flat iron 22 on both sides, the distance between the left flat iron 21 and the distance between the right flat iron 22 are adjusted through the second sleeve assembly 34, so that the distance between the left flat iron 21 and the distance between the right flat iron 22 can change along with the left sleeve assembly 31 and the right sleeve assembly 32.

[0026] The folding assembly 5 is sleeved on the guide rail shaft 4, the folding assembly 5 comprises a guide plate 55 and a sliding block 53, the guide plate 55 is sleeved on the guide rail shaft 4, a push rod 54 is inserted in the guide plate 55, the end of the push rod 54 is connected with the sliding block 53 through a bearing, the other end of the sliding block 53 is rotatably connected with a folding wheel 51 through a folding rod 52, the two ends of the guide rail shaft 4 are connected with a driving assembly, the driving assembly is connected with the push rod 54, the driving assembly is a pneumatic cylinder or an electric push rod or a linear module, the driving assembly is used for driving the push rod 54 to extend or retract, so that the sliding block 53 can drive the folding rod 52 to extend or retract, and further make the folding wheel 51 extend or retract, thereby folding the two sides of the base cloth, and the folding amplitude of the two sides of the bag is controlled by controlling the extension length of the push rod 54.

[0027] A plurality of through holes are formed in the lower ends of the left flat iron 21 and the right flat iron 22, and a pin shaft is inserted into different through holes to be connected with the left supporting base 11 or the right supporting base 12, and the installation height of the left flat iron 21 or the right flat iron 22 is adjusted through the through holes.

[0028] The left supporting base 11 and the right supporting base 12 are further connected with a guide rod 15 and a sliding rod 14, the guide rod 15 and the sliding rod 14 are hingedly connected to the right supporting base 12 and the left supporting base 11 through pin shafts, a waist hole is formed in the sliding rod 14, and a pin shaft is connected to the guide rod 15 and inserted into the waist hole, and the relative movement of the sliding rod 14 and the guide rod 15 is used to guide the distance adjustment between the left supporting base 11 and the right supporting base 12.

[0029] The folding process is as follows: first, the circular base cloth is sleeved on the expansion frame, so that the inner wall of the base cloth is attached to the left flat iron and the right flat iron, the expansion distance of the expansion frame is adjusted by adjusting the lengths of the telescopic sleeve assembly, the left sleeve assembly, the right sleeve assembly, the first sleeve assembly and the second sleeve assembly, and the base cloth is completely supported, then the push rod is moved inward by the driving assembly, the folding wheel is moved between the left support rod wheel and the right support rod wheel, the two sides of the base cloth are concave to the middle, the folding amplitude of the base cloth M is controlled by adjusting the moving distance of the folding wheel, and the M folding is formed.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A M-folding mechanism of a woven bag, comprising an expansion frame, a guide rail shaft and two folding assemblies, the two folding assemblies are symmetrically distributed on both sides of the expansion frame, the expansion frame is used to support the base cloth, and the folding assembly is used to fold the two side edges of the base cloth inward, characterized in that: The extension frame comprises a left supporting base frame and a right supporting base frame symmetrically distributed at the bottom, and a telescopic sleeve assembly is connected between the left supporting base frame and the right supporting base frame to adjust the distance between the left supporting base frame and the right supporting base frame. The left flat iron and the right flat iron are connected at both ends of the left supporting base frame and the right supporting base frame through a pin shaft, the upper end of the left flat iron is connected with a left support rod wheel, the upper end of the right flat iron is connected with a right support rod wheel, a folding edge assembly is located between the left support rod wheel and the right support rod wheel, a cylindrical base cloth is sleeved on the left support rod wheel and the right support rod wheel, and a first sleeve assembly is connected between the left flat iron and the right flat iron on the same side.

2. The M-folding mechanism for braided bags according to claim 1, characterized in that: The middle part of the left flat iron is connected with a left sleeve assembly, and the middle part of the right flat iron is connected with a right sleeve assembly.

3. The M-folding mechanism for braided bags of claim 2, wherein: The lower end of the guide rail is provided with a screw fixed plate between the left flat iron and the right flat iron, one end of the screw fixed plate is connected with the left flat iron on both sides through a second sleeve assembly, and the other end is connected with the right flat iron on both sides.

4. The M-folding mechanism for braided bags of claim 1, wherein: The folding edge assembly is sleeved on the guide rail shaft, the folding edge assembly comprises a guide plate and a sliding block sleeved on the guide rail shaft, a push rod is inserted into the guide plate, the end of the push rod is connected with the sliding block through a bearing, the other end of the sliding block is rotatably connected with a folding edge wheel through a folding edge rod, both ends of the guide rail shaft are connected with a driving assembly, and the driving assembly is connected with the push rod.

5. The M-folding mechanism for braided bags of claim 1, wherein: A plurality of through holes are formed in the lower end of the flat iron, and a pin shaft is inserted into different through holes to connect with the left supporting base frame or the right supporting base frame.

6. The M-folding mechanism for braided bags of claim 1, wherein: A guide rod and a sliding rod are further connected between the left supporting base frame and the right supporting base frame, a waist hole is formed in the sliding rod, a pin shaft is connected to the guide rod, and the pin shaft is inserted into the waist hole.

7. The M-folding mechanism for braided bags of claim 1, wherein: The telescopic sleeve assembly comprises a middle sleeve, nuts are connected at both ends of the middle sleeve, screws are threadedly connected in the nuts, the screws extend into the middle sleeve, and the threads of the two screws are opposite.

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