Cloth fixed-length pulling mechanism

Abstract

The utility model discloses a cloth fixed-length pulling mechanism which comprises a rack, a cloth roller and a first conveying mechanism, the first conveying mechanism is arranged below the rack, the cloth roller is arranged at the feeding end of the first conveying mechanism, a pressing assembly located above the discharging end of the first conveying mechanism is arranged on the rack, and a cloth pulling assembly is further arranged on the rack. The cloth pulling assembly is located at the end away from the cloth roller, and a cutting assembly is arranged below the discharging end of the first conveying mechanism. According to the cloth fixed-length pulling mechanism, after cloth is printed and dried on the first conveying mechanism, the end of the cloth is clamped through the cloth pulling assembly, then cloth pulling operation is conducted, after the cloth is pulled out by a proper length, the cloth is prevented from being fixed through downward pressing, and then the cloth is cut off through the cutting assembly; through the steps, it can be guaranteed that the cloth keeps certain tension in the printing and drying operation, so that the situation that the cloth is uneven is prevented, and then the rejection rate of the cloth is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic feeding technical field, especially in kind of cloth fixed length material drawing mechanism. BACKGROUND

[0002] In the preceding process of producing cloth shopping bag, the cloth needs to be printed and then dried, and the traditional process of cloth shopping bag is to cut the cloth into appropriate length for printing and drying, but such mode may cause uneven situation of the cut cloth during transportation, printing and drying operation on the conveying belt, thereby causing printing misregistration or affecting subsequent sewing operation, and further causing the rejection rate to increase, so it is required to keep the cloth flat during printing and drying operation. SUMMARY

[0003] The utility model solves the technical problem of overcoming the defects of prior art, and provides a kind of cloth fixed length material drawing mechanism.

[0004] To solve the above technical problems, the utility model provides the following technical scheme:

[0005] The utility model discloses a kind of cloth fixed length material drawing mechanism, including rack, cloth roller and first conveying mechanism, the first conveying mechanism is located below the rack, the cloth roller is located on the feeding end of the first conveying mechanism, the rack is equipped with the pressing assembly above the discharge end of the first conveying mechanism, the rack is also equipped with cloth pulling assembly, the cloth pulling assembly is located at the end away from the cloth roller, the discharge end of the first conveying mechanism is equipped with cutting assembly below.

[0006] As a preferred technical scheme of the utility model, the pressing assembly includes first mounting plate, pressing plate and multiple first air cylinders, the first mounting plate is horizontally located on the top of the rack and is located above the discharge end of the first conveying mechanism, multiple first air cylinders are all arranged on the bottom end of the first mounting plate, and the piston rods thereof are all vertically arranged downward, the pressing plate is horizontally arranged on the piston rod end of multiple first air cylinders.

[0007] As a preferred technical scheme of the utility model, the cloth pulling assembly includes first electric guide rail, second mounting plate and multiple first electric push rods, the first electric guide rail is horizontally arranged on the top of the rack, and it is parallel to the conveying direction of the first conveying mechanism, the second mounting plate is horizontally arranged on the sliding connection seat of the first electric guide rail, multiple first electric push rods are arranged on the bottom end of the second mounting plate, and the piston rods thereof are all vertically arranged downward, and the bottom end of multiple first electric push rods is equipped with clamping unit.

[0008] As a preferred technical scheme of the utility model, the clamping unit includes a support plate, a clamping plate and two second air cylinders, the support plate is horizontally arranged at the piston rod end of the plurality of first electric push rods, and the end thereof towards the first conveying mechanism is provided with a clamping part, the rear end of the clamping part is provided with a convex strip, the clamping plate is arranged above the clamping part and is hinged with the convex strip, the two second air cylinders are respectively located at the two sides of the top end of the support plate, the cylinder body of the two second air cylinders is rotationally connected with the top end of the support plate through a rotating connecting seat, and the piston rod of the two second air cylinders is rotationally connected with the top end of the clamping plate through a rotating connecting seat.

[0009] As a preferred technical scheme of the utility model, the cutting assembly includes a second electric guide rail, a third mounting plate, a driving motor and a cutting circular knife, the second electric guide rail is horizontally arranged below the discharging end of the first conveying mechanism, and is arranged perpendicularly to the conveying direction of the first conveying mechanism, the third mounting plate is arranged on the sliding connecting seat of the second electric guide rail, the driving motor is arranged on one side of the third mounting plate, and the output shaft thereof is horizontally arranged towards the first conveying mechanism, and the cutting circular knife is arranged on the other side of the third mounting plate and is coaxially connected with the output shaft of the driving motor.

[0010] As a preferred technical scheme of the utility model, the cutting assembly further includes a plurality of second electric push rods, the plurality of second electric push rods are arranged below the second electric guide rail, and the piston rod thereof is fixedly connected with the bottom end of the second electric guide rail vertically upwards.

[0011] As a preferred technical scheme of the utility model, the second conveying mechanism is arranged below the cloth pulling assembly and is located at the discharging end of the first conveying mechanism, and is arranged perpendicularly to the conveying direction of the first conveying mechanism.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] After the cloth is printed and dried on the first conveying mechanism, the cloth pulling assembly clamps the end of the cloth, and then the cloth is pulled out to a proper length, and then the cloth is fixed by the downward resistance, and then the cutting assembly cuts the cloth, so that the cloth can maintain a certain tension during printing and drying, thereby preventing the cloth from being uneven, and thereby reducing the scrap rate of the cloth. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and 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:

[0015] Fig. 1 is one of the overall structure schematic view of the utility model;

[0016] Fig. 2 is the second overall structure schematic view of the utility model;

[0017] Fig. 3 is the side view of the utility model;

[0018] In the figure: 1, rack; 2, cloth roller; 3, lower pressing assembly; 31, first mounting plate; 32, lower pressing plate; 33, first air cylinder; 4, cloth pulling assembly; 41, first electric guide rail; 42, second mounting plate; 43, first electric push rod; 5, clamping unit; 51, support plate; 52, clamping plate; 53, second air cylinder; 54, clamping part; 55, convex strip; 6, cutting assembly; 61, second electric guide rail; 62, third mounting plate; 63, drive motor; 64, cutting circular knife; 65, second electric push rod; 7, first conveying mechanism; 8, second conveying mechanism. DETAILED DESCRIPTION

[0019] The preferred embodiments of the utility model are described below in conjunction with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0020] Wherein the same reference numerals in the drawings all refer to the same parts.

[0021] As Figs. 1-3 shown, the utility model provides a cloth fixed-length cloth pulling mechanism, including rack 1, cloth roller 2 and first conveying mechanism 7, first conveying mechanism 7 is located in the below of rack 1, cloth roller 2 is located in the feeding end of first conveying mechanism 7, be equipped with the lower pressing assembly 3 of the above discharge end of first conveying mechanism 7 on rack 1, still be equipped with cloth pulling assembly 4 on rack 1, cloth pulling assembly 4 is located in the end away from cloth roller 2, be equipped with cutting assembly 6 in the below of the discharge end of first conveying mechanism 7.

[0022] In this embodiment, the cloth roll is mounted on the cloth roller 2, one end of the cloth roll is pulled out, and the cloth is once passed through the printing device (not shown in the figure) and the drying device (not shown in the figure) on the first conveying mechanism 7, then the end of the cloth is clamped by the cloth pulling assembly 4, and then the cloth is pulled away from the cloth roller 2, when the cloth is pulled out to a suitable length, the pressing assembly 3 cooperates with the first conveying mechanism 7 to fix the cloth, and then the cloth is cut by the cutting assembly 6, and the cloth on the first conveying mechanism 7 is printed and dried by the printing device and the drying device, after the cutting is completed, the pressing assembly 3 releases the cloth, the cutting assembly 6 is reset, and the cloth pulling assembly 4 clamps the new end of the cloth again to pull the cloth; through the above steps, the cloth required for the production of cloth packaging bags can be pulled and cut, and the cloth can maintain a certain tension during printing and drying, so as to prevent the cloth from being uneven and affecting printing, thereby reducing the scrap rate of the cloth.

[0023] The first conveying mechanism 7 is a belt conveying mechanism, and a PU conveying belt resistant to 120°C is used to adapt to the drying process.

[0024] Further, the pressing assembly 3 includes a first mounting plate 31, a pressing plate 32, and a plurality of first air cylinders 33, the first mounting plate 31 is horizontally arranged on the top of the rack 1 and located above the lower end of the first conveying mechanism 7, the plurality of first air cylinders 33 are arranged at the bottom end of the first mounting plate 31, and the piston rods thereof are vertically arranged downward, and the pressing plate 32 is horizontally arranged at the end of the piston rod of the plurality of first air cylinders 33.

[0025] In this embodiment, the first mounting plate 31 plays a fixed role, and when the piston rod of the first air cylinder 33 is extended, the pressing plate 32 is pushed into contact with the cloth on the first conveying mechanism 7, so as to fix the cloth for cutting.

[0026] Further, the cloth pulling assembly 4 includes a first electric guide rail 41, a second mounting plate 42, and a plurality of first electric push rods 43, the first electric guide rail 41 is horizontally arranged on the top of the rack 1 and parallel to the conveying direction of the first conveying mechanism 7, the second mounting plate 42 is horizontally arranged on the sliding connection seat of the first electric guide rail 41, the plurality of first electric push rods 43 are arranged at the bottom end of the second mounting plate 42, and the piston rods thereof are vertically arranged downward, and the bottom end of the plurality of first electric push rods 43 is provided with the clamping unit 5.

[0027] In this embodiment, the first electric guide rail 41 of the prior art is used to drive the first mounting plate 42 to move horizontally, so as to drive the clamping unit 5 to move, and then the cloth clamped by the clamping unit 5 is pulled, and the position of the clamping unit 5 can be adjusted by the first electric push rod 43, so as to better clamp the end of the cloth.

[0028] Further, the clamping unit 5 comprises a support plate 51, a clamping plate 52 and two second air cylinders 53, the support plate 51 is horizontally arranged at the end of the piston rod of the plurality of first electric push rods 43, and the end thereof towards the first conveying mechanism 7 is provided with a clamping portion 54, the rear end of the clamping portion 54 is provided with a protruding strip 55, the clamping plate 52 is arranged above the clamping portion 54 and is hinged with the protruding strip 55, and the two second air cylinders 53 are respectively located on both sides of the top end of the support plate 51, the cylinder body of the two second air cylinders 53 is rotationally connected with the top end of the support plate 51 through a rotating connecting seat, and the piston rod thereof is rotationally connected with the top end of the clamping plate 52 through a rotating connecting seat.

[0029] In the embodiment, the clamping plate 52 is L-shaped, and the clamping plate 52 is driven to rotate by the two second air cylinders 53, so that the clamping plate 52 hinged with the protruding strip 55 rotates, and the clamping portion 54 at the end of the support plate 51 clamps the cloth, the clamping plate 52 and the clamping portion 54 are provided with an anti-skid layer at the position where they contact the cloth, so as to prevent the cloth from slipping when clamped, and the protruding strip 55 is used to block the end of the cloth to prevent the cloth from being rolled into the hinged position of the clamping plate 52.

[0030] Further, the cutting assembly 6 comprises a second electric guide rail 61, a third mounting plate 62, a driving motor 63 and a cutting circular knife 64, the second electric guide rail 61 is horizontally arranged below the discharging end of the first conveying mechanism 7, and is arranged perpendicular to the conveying direction of the first conveying mechanism 7, the third mounting plate 62 is arranged on the sliding connecting seat of the second electric guide rail 61, the driving motor 63 is arranged on one side of the third mounting plate 62, and the output shaft thereof is horizontally arranged towards the first conveying mechanism 7, and the cutting circular knife 64 is arranged on the other side of the third mounting plate 62 and is coaxially connected with the output shaft of the driving motor 63.

[0031] In the embodiment, the second electric guide rail 61 of the prior art is used to drive the third mounting plate 62 to move, so as to drive the cutting circular knife 64 driven by the driving motor 63 to cut the cloth.

[0032] Further, the cutting assembly 6 further comprises a plurality of second electric push rods 65, the plurality of second electric push rods 65 are arranged below the second electric guide rail 61, and the piston rod thereof is vertically upwardly fixedly connected with the bottom end of the second electric guide rail 61.

[0033] In the embodiment, the height of the second electric guide rail 61 can be adjusted by the second electric push rod 65, so as to avoid the clamping assembly 5 from colliding with the cutting circular knife 64 when clamping the cloth.

[0034] Further, it further comprises a second conveying mechanism 8, the second conveying mechanism 8 is arranged below the cloth stretching assembly 4 and is located at the discharging end of the first conveying mechanism 7, and is arranged perpendicular to the conveying direction of the first conveying mechanism 7.

[0035] In the embodiment, the second conveying mechanism 8 is used to transport the cut cloth to a subsequent processing procedure.

[0036] The utility model discloses a cloth fixed length pulling mechanism, after printing and drying operation are completed to cloth on first conveying mechanism, again through cloth pulling assembly clamping the end of cloth, carry out cloth pulling operation, after the cloth is pulled out proper length, through the fixed cloth that you hinder, again cutting assembly carries out cloth cutting, can guarantee cloth printing and drying operation to keep certain tension through above -mentioned steps, thereby prevent cloth uneven situation, and then reduced cloth scrap rate.

[0037] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A cloth fixed length pulling mechanism, characterized in that: The invention comprises a frame (1), a cloth roller (2) and a first conveying mechanism (7), wherein the first conveying mechanism (7) is arranged below the frame (1), the cloth roller (2) is arranged at the feeding end of the first conveying mechanism (7), the frame (1) is provided with a pressing assembly (3) located above the unloading end of the first conveying mechanism (7), the frame (1) is also provided with a cloth pulling assembly (4), the cloth pulling assembly (4) is located at an end away from the cloth roller (2), and a cutting assembly (6) is provided below the unloading end of the first conveying mechanism (7).

2. A cloth fixed length pulling mechanism according to claim 1, characterized in that: The pressing assembly (3) includes a first mounting plate (31), a pressing plate (32) and a plurality of first cylinders (33). The first mounting plate (31) is horizontally arranged on the top of the frame (1) and is located above the unloading end of the first conveying mechanism (7). The plurality of first cylinders (33) are arranged at the bottom end of the first mounting plate (31), and their piston rods are vertically arranged downward. The pressing plate (32) is horizontally arranged at the ends of the piston rods of the plurality of first cylinders (33).

3. A cloth fixed length pulling mechanism according to claim 1, characterized in that: The cloth pulling assembly (4) includes a first electric guide rail (41), a second mounting plate (42) and a plurality of first electric push rods (43), wherein the first electric guide rail (41) is horizontally arranged on the top of the frame (1) and is parallel to the conveying direction of the first conveying mechanism (7), the second mounting plate (42) is horizontally arranged on the sliding connection seat of the first electric guide rail (41), and the plurality of first electric push rods (43) are arranged at the bottom end of the second mounting plate (42), and their piston rods are all arranged vertically downward, and the bottom ends of the plurality of first electric push rods (43) are provided with a clamping unit (5).

4. A cloth fixed length pulling mechanism according to claim 3, characterized in that: The clamping unit (5) includes a support plate (51), a clamping plate (52) and two second cylinders (53). The support plate (51) is horizontally arranged on the piston rod ends of the plurality of first electric push rods (43), and has a clamping portion (54) at the end thereof facing the first transmission mechanism (7). A convex strip (55) is provided at the rear end of the clamping portion (54). The clamping plate (52) is arranged above the clamping portion (54) and is hinged to the convex strip (55). The two second cylinders (53) are respectively located on both sides of the top end of the support plate (51). The cylinder bodies of the two second cylinders (53) are rotatably connected to the top end of the support plate (51) through a rotating connecting seat, and the piston rods of the two are rotatably connected to the top end of the clamping plate (52) through a rotating connecting seat.

5. The fabric fixed length pulling mechanism according to claim 1, characterized in that: The cutting assembly (6) includes a second electric guide rail (61), a third mounting plate (62), a drive motor (63) and a cutting circular knife (64), wherein the second electric guide rail (61) is horizontally arranged below the unloading end of the first conveying mechanism (7), and is arranged perpendicular to the conveying direction of the first conveying mechanism (7), the third mounting plate (62) is arranged on the sliding connection seat of the second electric guide rail (61), the drive motor (63) is arranged on one side of the third mounting plate (62), and its output shaft is arranged horizontally toward the first conveying mechanism (7), and the cutting circular knife (64) is arranged on the other side of the third mounting plate (62) and is coaxially connected to the output shaft of the drive motor (63).

6. A cloth fixed length pulling mechanism according to claim 5, characterized in that: The cutting assembly (6) further comprises a plurality of second electric push rods (65), which are arranged below the second electric guide rail (61), and whose piston rods are vertically upward and fixedly connected to the bottom end of the second electric guide rail (61).

7. A cloth fixed length pulling mechanism according to any one of claims 1 to 6, characterized in that: It also includes a second conveying mechanism (8), which is arranged below the cloth pulling assembly (4) and located at the unloading end of the first conveying mechanism (7), and is arranged perpendicular to the conveying direction of the first conveying mechanism (7).

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