Limiting mechanism for plastic bag production

Abstract

The utility model discloses a limiting mechanism for plastic bag production. The limiting mechanism comprises a cutting module, a U-shaped support, a base, a limiting module, an auxiliary moving module and a conveying module. Wherein the limiting module comprises a lead screw groove, the lead screw groove is fixedly connected with the base, two sliding blocks are arranged in the lead screw groove, and the two sliding blocks are fixedly connected with the corresponding L-shaped plates respectively. A plastic bag is placed on the conveying belt, the two limiting belts limit the plastic bag through the limiting module, the conveying belt drives the plastic bag to move through the conveying module, and the limiting belts assist in moving the plastic bag and rotating the limiting belts through the auxiliary moving module. And friction between the limiting belt and the plastic bag can be avoided, the normal conveying speed of the plastic bag is further prevented from being affected, the plastic bag is cut by a cutter through the cutting module, and production of the plastic bag is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic bag production technical field especially relates to a spacing mechanism for plastic bag production. BACKGROUND

[0002] Plastic bag is a bag made of plastic as the main raw material, is the indispensable article in people's daily life, often be used to pack other articles. Because its cheap, weight extremely light, capacity, the advantage of being convenient for storage is widely used, but because plastic bag degradation cycle is extremely long, the shortcoming of difficult processing is prohibited production and use in part countries;

[0003] However, the existing plastic bag production uses spacing mechanism, and the friction will be generated in the adhesion of the limiting block and the conveying device, thereby influencing the normal conveying rate of the conveying device, so that the work efficiency is reduced, and the distance between the limiting blocks needs manual adjustment when adjusting, and the precision is difficult to control;

[0004] Therefore, it is necessary to provide a spacing mechanism for plastic bag production to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcoming in the prior art and provides a spacing mechanism for plastic bag production.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A spacing mechanism for plastic bag production, including cutting module, U-shaped support, base, spacing module, auxiliary moving module, transport module;

[0008] Wherein, the spacing module includes the screw groove, the screw groove fixedly connected the base, be equipped with two sliding blocks in the screw groove, two the sliding block is fixedly connected corresponding L-shaped plate respectively, the inner side both ends of the screw groove are movably connected with one end of the bidirectional screw rod respectively, the bidirectional screw rod is equipped with two thread directions opposite threads respectively, the bidirectional screw rod is screw connected corresponding the sliding block respectively, one end of the bidirectional screw rod passes through one side of the screw groove, the center of the knob is fixedly connected with one end of the bidirectional screw rod, two L-shaped plate is fixedly connected corresponding connecting plate respectively;

[0009] The auxiliary moving module comprises two groups of belt pulleys, upper end center shafts of the two groups of belt pulleys are movably connected to two ends of corresponding connecting plates respectively, the two groups of belt pulleys are connected through corresponding limiting belts respectively, ends of the upper end center shafts of the two belt pulleys are fixedly connected to centers of corresponding bevel gears one respectively, the two bevel gears one are engaged with corresponding bevel gears two respectively, center shafts of the two bevel gears two are movably connected to corresponding connecting plates respectively, centers of the two bevel gears two are fixedly connected to corresponding spline shafts respectively, the two spline shafts pass through corresponding spline shaft sleeves respectively, the two spline shaft sleeves pass through and are fixedly connected to centers of corresponding gear one respectively, the two spline shaft sleeves are movably connected to upper portions of the vertical plates of the conveying module respectively, and the two gear one are engaged with corresponding gear two respectively.

[0010] Preferably, the conveying module comprises a group of vertical plates, the group of vertical plates are fixedly connected to the base respectively, center shafts of two ends of the two conveying rollers are movably connected to a corresponding pair of vertical plates respectively, an end center shaft of one of the conveying rollers is fixedly connected to an output shaft of a motor, the motor is fixedly connected to one of the vertical plates, end portions of center shafts of two ends of the other conveying roller are fixedly connected to centers of corresponding gear two respectively, the two conveying rollers are connected through a conveying belt, one side of the corresponding pair of vertical plates is fixedly connected to a supporting plate respectively, and the conveying belt surrounds the supporting plate.

[0011] Preferably, the cutting module comprises an electric push rod, a shell of the electric push rod is fixedly connected to an upper side of the U-shaped support, a telescopic rod of the electric push rod passes through the U-shaped support, an end portion of the telescopic rod of the electric push rod is fixedly connected to a cutter, upper sides of the cutter are fixedly connected to symmetrical circular guide rods respectively, the two circular guide rods pass through corresponding linear bearings respectively, and the two linear bearings pass through and are fixedly connected to the U-shaped support.

[0012] Preferably, the U-shaped support is fixedly connected to the base.

[0013] Preferably, the two limiting belts are located at upper portions of the conveying belt respectively.

[0014] Compared with the related art, the utility model has the advantages that:

[0015] 1, the plastic bag is placed on the conveying belt, the two limiting belts are limited to the plastic bag through the limiting module, the conveying belt drives the plastic bag to move through the conveying module, the limiting belt assists the plastic bag to move through the auxiliary moving module, rotation of the limiting belt can avoid friction between the limiting belt and the plastic bag, thereby avoiding affecting normal conveying speed of the plastic bag, the cutter cuts the plastic bag through the cutting module, and production of the plastic bag is completed.

[0016] 2、Through the limiting module, the distance between the limiting belts can be adjusted, so that the limiting belts limit the plastic bags and better control the adjustment accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a perspective view of the utility model.

[0018] Figure 2 is a perspective view of the utility model.

[0019] Figure 3 is a perspective view of the utility model.

[0020] Figure 4 is a schematic view of the connection structure of partial parts of the utility model.

[0021] Figure 5 is a schematic view of the connection structure of partial parts of the utility model.

[0022] Figure 6 is a schematic view of the connection structure of partial parts of the utility model after cutting.

[0023] In the drawing:

[0024] 1: cutting module, 11, electric push rod, 12, circular guide rod, 13, linear bearing, 14, cutter;

[0025] 2, U-shaped support;

[0026] 3, base;

[0027] 4: limiting module, 41, L-shaped plate, 42, screw slot, 43, knob, 44, sliding block, 45, bidirectional screw rod, 46, connecting plate;

[0028] 5: auxiliary moving module, 51, belt pulley, 52, limiting belt, 53, gear two, 54, spline shaft, 55, gear one, 56, conical gear two, 57, conical gear one, 58, spline shaft sleeve;

[0029] 6: transport module, 61, motor, 62, vertical plate, 63, supporting plate, 64, conveying belt, 65, conveying roller. DETAILED DESCRIPTION

[0030] 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, not all the embodiments.

[0031] The utility model provides a limiting mechanism for plastic bag production, including cutting module 1, U-shaped support 2, base 3, limiting module 4, auxiliary movement module 5, transport module 6;

[0032] Wherein, the limiting module 4 includes the screw groove 42, the screw groove 42 fixedly connected with the base 3, be equipped with two sliders 44 in the screw groove 42, two the slider 44 is fixedly connected with corresponding L-shaped plate 41 respectively, the inner side both ends of the screw groove 42 are movably connected with one end of bidirectional screw rod 45 respectively, two sections of thread with opposite direction are equipped with on the bidirectional screw rod 45 respectively, the bidirectional screw rod 45 is screw-connected with corresponding slider 44 respectively, one end of the bidirectional screw rod 45 passes through one side of the screw groove 42, the center of knob 43 is fixedly connected with one end of the bidirectional screw rod 45, two L-shaped plate 41 are fixedly connected with corresponding connecting plate 46 respectively;

[0033] The auxiliary movement module 5 includes two groups of belt pulleys 51, the upper end center shaft of two groups of belt pulleys 51 is movably connected with the both ends of corresponding connecting plate 46 respectively, two groups of belt pulleys 51 are connected through corresponding limiting belt 52 respectively, wherein the end of the upper end center shaft of two belt pulleys 51 is fixedly connected with the center of corresponding bevel gear one 57 respectively, two bevel gear one 57 are engaged with corresponding bevel gear two 56 respectively, the center shaft of two bevel gear two 56 is movably connected with corresponding connecting plate 46 respectively, the center of two bevel gear two 56 is fixedly connected with corresponding spline shaft 54 respectively, two spline shafts 54 pass through corresponding spline shaft sleeve 58 respectively, two spline shaft sleeves 58 pass through and are fixedly connected with the center of corresponding gear one 55 respectively, two spline shaft sleeves 58 are movably connected with the upper portion of vertical plate 62 of transport module 6 respectively, two gear one 55 are engaged with corresponding gear two 53 respectively.

[0034] The transport module 6 includes a group of vertical plate 62, a group of vertical plate 62 is fixedly connected with the base 3 respectively, the center shaft of both ends of two conveying rollers 65 is movably connected with corresponding pair of vertical plate 62 respectively, the end of the center shaft of one end of one conveying roller 65 is fixedly connected with the output shaft of motor 61, the motor 61 is fixedly connected with one vertical plate 62, the center of the center shaft of both ends of another conveying roller 65 is fixedly connected with corresponding gear two 53 respectively, two conveying rollers 65 are connected through conveying belt 64 respectively, one side of corresponding pair of vertical plate 62 is fixedly connected with supporting plate 63 respectively, the conveying belt 64 surrounds supporting plate 63.

[0035] The cutting module 1 comprises an electric push rod 11, the shell of the electric push rod 11 is fixedly connected to the upper side of the U-shaped support 2, the telescopic rod of the electric push rod 11 penetrates through the U-shaped support 2, the end of the telescopic rod of the electric push rod 11 is fixedly connected to a cutter 14, the upper side of the cutter 14 is fixedly connected to symmetrical circular guide rods 12 respectively, the two circular guide rods 12 penetrate through corresponding linear bearings 13 respectively, and the two linear bearings 13 penetrate through and are fixedly connected to the U-shaped support 2.

[0036] The U-shaped support 2 is fixedly connected to the base 3.

[0037] The two limiting belts 52 are located at the upper part of the conveying belt 64 respectively.

[0038] The pulleys 51 are provided with stop rings at both ends respectively, so that the limiting belts 52 are prevented from being separated from the pulleys 51 when rotating.

[0039] Working principle: first, place the plastic bag on the conveying belt 64, and then screw the knob 43, the knob 43 drives the bidirectional screw rod 45 to rotate, the bidirectional screw rod 45 drives the corresponding sliding blocks 44 to slide respectively, the two sliding blocks 44 drive the connecting plates 46 to move through the L-shaped plates 41 respectively, the two connecting plates 46 drive the bevel gears one 57, pulleys 51 and the like to move respectively, so that the bevel gears two 56 drive the spline shafts 54 to move along the spline shaft sleeves 58, and the two limiting belts 52 limit the plastic bag, at this time, stop screwing the knob 43.

[0040] Then start the motor 61, the motor 61 drives one of the conveying rollers 65 to rotate, the conveying roller 65 drives the other conveying roller 65 to rotate through the conveying belt 64, so that the conveying belt 64 drives the plastic bag to move, and at the same time, the other conveying roller 65 drives the corresponding gears two 53 to rotate respectively, the two gears two 53 mesh with the corresponding gears one 55 to rotate respectively, the two gears one 55 drive the spline shafts 54 to rotate through the spline shaft sleeves 58 respectively, the two spline shafts 54 drive the corresponding bevel gears two 56 to rotate respectively, the two bevel gears two 56 mesh with the corresponding bevel gears one 57 to rotate respectively, the two bevel gears one 57 drive the corresponding pulleys 51 to rotate respectively, a group of pulleys 51 drive another group of pulleys 51 to rotate through the corresponding limiting belts 52, so that the limiting belts 52 assist the plastic bag to move, and the rotation of the limiting belts 52 can avoid friction between the limiting belts 52 and the plastic bag, thereby avoiding affecting the normal transportation speed of the plastic bag.

[0041] When the plastic bag is transported to the lower part of the cutting module 1, the electric push rod 11 is controlled to start, the telescopic rod of the electric push rod 11 extends to drive the cutter 14 to move downward, the cutter 14 drives the circular guide rods 12 to move downward along the linear bearings 13 respectively, so that the cutter 14 cuts the plastic bag, and the production of the plastic bag is completed.

[0042] The beneficial effects are that the plastic bags are placed on the conveying belt 64, the two limiting belts 52 limit the plastic bags through the limiting module 4, the conveying belt 64 drives the plastic bags to move through the conveying module 6, the limiting belts 52 assist the plastic bags to move through the auxiliary moving module 5, the rotation of the limiting belts 52 can avoid the friction between the limiting belts 52 and the plastic bags, thereby avoiding affecting the normal conveying speed of the plastic bags, the cutting knives 14 cut the plastic bags through the cutting module 1, and the production of the plastic bags is completed.

[0043] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A limiting mechanism for plastic bag production, characterized in that, The plastic bag production limiting mechanism comprises: The cutting module (1), the U-shaped support (2), the base (3), the limiting module (4), the auxiliary moving module (5), the transportation module (6); The limiting module (4) comprises a lead screw groove (42), the lead screw groove (42) is fixedly connected with the base (3), two sliding blocks (44) are arranged in the lead screw groove (42), the two sliding blocks (44) are fixedly connected with corresponding L-shaped plates (41) respectively, one end of a bidirectional lead screw (45) is movably connected with the inner side of the lead screw groove (42) at two ends respectively, two sections of threads with opposite directions are arranged on the bidirectional lead screw (45) respectively, the bidirectional lead screw (45) is screw-connected with the corresponding sliding block (44) respectively, one end of the bidirectional lead screw (45) penetrates through one side of the lead screw groove (42), the center of a knob (43) is fixedly connected with the end of one end of the bidirectional lead screw (45), and the two L-shaped plates (41) are fixedly connected with corresponding connecting plates (46) respectively. The auxiliary moving module (5) comprises two groups of belt pulleys (51), the upper end center shafts of the two groups of belt pulleys (51) are movably connected with the two ends of the corresponding connecting plates (46) respectively, the two groups of belt pulleys (51) are connected through corresponding limiting belts (52) respectively, the upper end center shafts of the two belt pulleys (51) are fixedly connected with the centers of corresponding bevel gears (57) respectively, the two bevel gears (57) are meshed with corresponding bevel gears (56) respectively, the center shafts of the two bevel gears (56) are movably connected with the corresponding connecting plates (46) respectively, the centers of the two bevel gears (56) are fixedly connected with corresponding spline shafts (54) respectively, the two spline shafts (54) penetrate through corresponding spline shaft sleeves (58) respectively, the two spline shaft sleeves (58) penetrate through and are fixedly connected with the centers of corresponding gear wheels (55) respectively, the two spline shaft sleeves (58) are movably connected with the upper parts of vertical plates (62) of the transportation module (6) respectively, and the two gear wheels (55) are meshed with corresponding gear wheels (53) respectively.

2. The limiting mechanism for plastic bag production according to claim 1, characterized in that, The transportation module (6) comprises a group of vertical plates (62), the group of vertical plates (62) are fixedly connected with the base (3), the center shafts of the two ends of two conveying rollers (65) are movably connected with a pair of corresponding vertical plates (62) respectively, the end of the center shaft of one of the conveying rollers (65) is fixedly connected with the output shaft of a motor (61), the motor (61) is fixedly connected with one of the vertical plates (62), the center shafts of the two ends of the other conveying roller (65) are fixedly connected with the centers of corresponding gear wheels (53) respectively, the two conveying rollers (65) are connected through a conveying belt (64) respectively, and one side of the corresponding pair of vertical plates (62) is fixedly connected with a supporting plate (63).

3. The limiting mechanism for plastic bag production according to claim 2, characterized in that, Said cutting module (1) includes an electric push rod (11), the shell of the electric push rod (11) is fixedly connected to the upper side of the U-shaped support (2), the telescopic rod of the electric push rod (11) passes through the U-shaped support (2), the end of the telescopic rod of the electric push rod (11) is fixedly connected to a cutter (14), the upper side of the cutter (14) is fixedly connected to symmetrical circular guide rods (12) respectively, the two circular guide rods (12) pass through corresponding linear bearings (13) respectively, and the two linear bearings (13) pass through and are fixedly connected to the U-shaped support (2).

4. The limiting mechanism for plastic bag production according to claim 1, characterized in that, Said U-shaped support (2) is fixedly connected to the base (3).

5. The limiting mechanism for plastic bag production according to claim 2, wherein Two limiting belts (52) are respectively located at the upper part of the conveying belt (64).

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