Stretching device for PU artificial leather production

Abstract

The utility model discloses a stretching device for PU (polyurethane) artificial leather production, which structurally comprises a base plate, a mounting plate and a clamping frame, the separable base plate is arranged at the bottom end, so that the clamped artificial leather can be conveniently pushed to be stretched, the rolled artificial leather is placed on the mounting plate, and the clamping frame is arranged on the mounting plate. One end of the winding roller penetrates through the clamping frame and is connected with the winding roller on the other side, so that winding treatment can be carried out, rolled artificial leather can be automatically stretched, the working time is saved, and the working progress is accelerated; under the action of a second motor, a screw rod drives a clamping plate at the upper end through a positioning sliding block to downwards clamp artificial leather at the lower end through a buffer plate, so that the clamping plate pushes and pulls the artificial leather at the clamping position after clamping, and then the clamping plate rotates and pulls the artificial leather to clamp and stretch other artificial leather at the coiling position; and a plurality of layers are arranged up and down, so that more stretching can be realized at one time, and the working efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to artificial leather production equipment technical field especially relates to a kind of PU artificial leather production stretching device. BACKGROUND

[0002] Artificial leather is a kind of appearance, feel like leather and can replace its use Plastic products, usually with fabric as base, coated synthetic resin and various plastic additives are made, mainly have PVC artificial leather, PU artificial leather and PU synthetic leather three categories, often with fabric as base, on which coated or covered with a layer of resin mixture, then heated and plasticized, and through rolling and pressing or embossing, product is obtained, similar to natural leather, with soft, wear-resistant and other characteristics, according to the type of covering, according to use there are shoe artificial leather, artificial leather for luggage and the like.

[0003] And in the production process of artificial leather needs to be stretched, but now in stretching is single layer stretching treatment, work efficiency is lower, and most of the stretching is block whole artificial leather stretching work, and there are few winding stretching treatment, practicability is poor.

[0004] Therefore, a kind of PU artificial leather production stretching device is proposed. INVENTION CONTENTS

[0005] (One) technical problem to be solved

[0006] In order to overcome the deficiencies of prior art, a PU artificial leather production stretching device is proposed to solve the problem of low efficiency and poor practicability of artificial leather stretching.

[0007] (Two) technical scheme

[0008] The utility model discloses a kind of PU artificial leather production stretching device, including

[0009] Base plate, the base plate is symmetrically divided into blocks and can be moved under the action of pusher assembly Stretching treatment;

[0010] Mounting plate, the mounting plate is symmetrically as a group installed on the both sides of base plate, and winding roller and placing roller are respectively rotationally installed in the both sides mounting plate, control panel is installed on the outside of mounting plate;

[0011] Clamping frame, the clamping frame is symmetrically installed on the both sides of base plate, multiple bottom end plates are provided in the clamping frame, and upper end clamping plate is provided on the upper end of bottom end plate, and upper end clamping plate is driven by force lifting assembly Upper and lower work.

[0012] Further, the base plate is divided into two movable plates at the middle shaft, and universal wheels are installed at the lower ends of the movable plates, the pushing assembly comprises a mounting groove arranged in the inner side of one of the movable plates for mounting a second electric push rod, and the output end of the second electric push rod penetrates through the mounting groove and contacts the other movable plate.

[0013] Further, the mounting plate is internally provided with a plurality of U-shaped placing frames with open upper ends for placing the placing roller and the winding roller, and the placing frame at the winding roller is provided with a through hole penetrating outward.

[0014] Further, the winding roller is provided with a rectangular insertion groove at the outer side, the base plate is provided with a pushing plate at one side, the base plate is internally provided with a moving sliding groove, and the bottom end of the pushing plate is provided with a moving sliding block in sliding connection with the moving sliding groove, a plurality of first motors are installed at the outer side of the pushing plate, the output end of the first motor is connected with a plug rod penetrating through the through hole and connected with the insertion groove, and a first electric push rod is installed at the upper end of the base plate, and the output end of the first electric push rod is connected with the pushing plate.

[0015] Further, the stress lifting assembly comprises side plates arranged at the outer sides of the upper and lower ends of the clamping frame, the side plates are respectively rotatably connected with lead screws and fixedly connected with positioning sliding rods at the left and right sides of the side plates, the clamping frame is provided with a plurality of penetrating positioning sliding grooves at the two sides, the upper end clamping plate is provided with positioning sliding blocks at the two sides penetrating the positioning sliding grooves, the positioning sliding blocks are provided with threaded holes at one side and connected with the lead screws, the side plates are provided with second motors installed at the top ends, and the output ends of the second motors are connected with the lead screws, and the positioning sliding blocks are provided with positioning sliding holes at the other side and in sliding connection with the positioning sliding rods.

[0016] Further, the outer side reinforcing plate is internally provided with a plurality of telescopic rods, the telescopic rods are wrapped with springs at the outer sides, and the outer side reinforcing plate is slidably connected with a buffer plate at the outer side, and the top ends of the telescopic rods are connected with the buffer plate.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] In the utility model, a plurality of bottom end plates are arranged in the clamping frame, and corresponding upper end clamping plates are arranged at the upper ends, so that the upper end clamping plates and the buffer plates at the upper ends of the bottom end plates clamp the artificial leather downward, and then stretching work is carried out, so that a plurality of artificial leathers can be stretched, and the low efficiency of single layer stretching is avoided, and the work efficiency is higher.

[0020] In this invention, the rolled artificial leather can be placed inside the mounting plates set on both sides, allowing it to be pulled and moved inside the clamping frame. This enables it to automatically rewind and stretch different positions, avoiding the poor practicality of stretching a single piece and resulting in better working effect.

[0021] The placement frame with an opening at the top facilitates the disassembly of the placement roller and the take-up roller, resulting in higher work efficiency. Attached Figure Description

[0022] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the internal structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the internal structure of the clamping frame of this utility model;

[0025] Figure 3 This is a schematic diagram of the installation structure of the upper clamping plate and the bottom plate of this utility model;

[0026] Figure 4 This is a top view of the mounting plate of this utility model.

[0027] Figure 5 This is a schematic diagram of the side mounting structure of the winding roller of this utility model;

[0028] In the diagram: Base plate-1, Mounting plate-2, Control panel-3, Placement roller-4, Clamping frame-5, Push plate-6, Rewinding roller-7, First motor-8, Moving slide rail-9, Moving slider-10, Side plate-11, Second motor-12, Positioning slide rail-13, Positioning slider-14, Positioning slide hole-15, Positioning slide rod-16, Upper clamping plate-17, Threaded hole-18, Lead screw-19, Bottom plate-110, Buffer plate-111, Telescopic rod-112, Spring-113, Outer reinforcing plate-114, Placement frame-115, Through opening-116, Insertion slot-117, Insert rod-118, First electric push rod-119, Universal wheel-120, Mounting slot-121, Second electric push rod-122. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0030] Please see Figures 1-5The utility model provides a kind of PU artificial leather production stretching device, including base plate 1, mounting plate 2 and clamping frame 5 are composed.

[0031] Base plate 1 is symmetrically divided into blocks, and can be moved under the action of pushing assembly to stretch treatment;

[0032] Base plate 1 is divided into two movable plates from middle shaft, and universal wheel 120 is installed at the lower end thereof, so that the two movable plates can push clamping frame 5 and mounting plate 2 at the upper end, so that stretching work can be achieved by separation, the pushing assembly includes mounting groove 121 provided in the inner side of one side movable plate for installing second electric push rod 122, the output end of second electric push rod 122 penetrates mounting groove 121 and contacts the other side movable plate, the movable plate on one side is moved by pushing second electric push rod 122, so that the artificial leather after clamping can be stretched under stress.

[0033] Mounting plate 2 is symmetrically installed on both sides of base plate 1 in pairs, and placing roller 4 and winding roller 7 are rotatably installed in the two side mounting plates 2, respectively, so that the artificial leather in roll can be placed and wound conveniently, control panel 3 is installed on the outer side of mounting plate 2, the electrical devices in the device can be operated conveniently through control panel 3, so that the operation is more convenient;

[0034] The inner sides of mounting plate 2 are provided with multiple U-shaped placing frames 115 with openings at the upper end for placing placing roller 4 and winding roller 7, so that placing roller 4 and winding roller 7 can be taken out from the upper end conveniently for replacement by workers, and through hole 116 penetrating outward is provided in placing frame 115 at the position of winding roller 7 for the insertion of insertion rod 118 into the interior, and rectangular insertion slot 117 is provided at the outer side of winding roller 7, so that the stress effect is more, pushing plate 6 is provided on one side of base plate 1, moving slide groove 9 is provided in the interior of base plate 1, and moving slide block 10 is provided at the bottom end of pushing plate 6 and connected with moving slide groove 9 in sliding mode, multiple first motors 8 are installed on the outer side of pushing plate 6, and insertion rod 118 is connected with through hole 116 and insertion slot 117 penetratingly connected at the output end of first motor 8, first electric push rod 119 is installed at the upper end of base plate 1, and the output end of first electric push rod 119 is connected with pushing plate 6, the replacement and taking out of winding roller 7 can be realized by pushing plate 6 to move downward under the action of first electric push rod 119, the insertion rod 118 is prevented from being taken out upward, and winding roller 7 can be rotated under the driving of first motor 8 after insertion rod 118 is inserted into insertion slot 117, so that the winding work of artificial leather can be carried out.

[0035] The clamping frame 5 is symmetrically installed on both sides of the base plate 1, and a plurality of bottom end plates 110 are arranged inside and outside the clamping frame 5, so that a plurality of artificial leathers can be clamped and stretched at one time, the work efficiency is higher, the outer reinforcing plate 114 is arranged at the upper end of the bottom end plate 110, a plurality of telescopic rods 112 are arranged inside the outer reinforcing plate 114, the telescopic rods 112 are wrapped with springs 113, the buffer plate 111 is slidably connected to the outer side of the outer reinforcing plate 114, the telescopic rods 112 are connected to the buffer plate 111, the upper end clamping plates 17 are arranged at the upper end of the bottom end plate 110, and the buffer plate 111 is compressed under the action of the telescopic rods 112 and the springs 113, so that the damage to the artificial leather is reduced, the artificial leather of different thicknesses can be conveniently clamped downward, and the fixing and clamping effect is better due to the increase of friction lines on the upper end face of the upper end clamping plate 17 and the upper end face of the buffer plate 111, and the upper end clamping plate 17 works up and down under the action of the stress lifting assembly.

[0036] The stress lifting assembly comprises side plates 11 arranged on the outer sides of the upper and lower ends of the clamping frame 5, the left and right sides of the side plates 11 are respectively rotatably connected with a lead screw 19 and fixedly connected with a positioning slide rod 16, the clamping frame 5 is provided with a plurality of penetrating positioning sliding grooves 13, the upper end clamping plates 17 are provided with positioning sliding blocks 14 penetrating the positioning sliding grooves 13, one side of the positioning sliding block 14 is provided with a threaded hole 18 connected with the lead screw 19, the second motor 12 is arranged at the top end of the side plate 11, and the output end of the second motor 12 is connected with the lead screw 19, the other side of the positioning sliding block 14 is provided with a positioning sliding hole 15 slidably connected with the positioning slide rod 16, the lead screw 19 is driven to rotate by the second motor 12, so that the upper end clamping plate 17 is driven downward by the positioning sliding block 14 under the action of the threaded hole 18 to clamp the artificial leather, and the side is more stable due to the positioning sliding hole 15 and the positioning slide rod 16.

[0037] Working principle: in use, the control panel 3, the first motor 8, the second motor 12, the first electric push rod 119 and the second electric push rod 122 are connected with an external power source, then the artificial leather is placed on the placing roller 4, then one side is pulled to pass through the upper end clamping plate 17 and the buffer plate 111 between the clamping frames 5 and is connected with the other side of the winding roller 7, then the lead screw 19 is driven to rotate by the second motor 12, so that the upper end clamping plate 17 is driven downward together with the buffer plate 111 by the threaded hole 18 to clamp the artificial leather, then the base plate 1 is separated by the second electric push rod 122, so that the artificial leather at the clamping position is stretched, then the clamping artificial leather is loosened after retraction, other positions are pulled to repeat the stretching work, and the work is completed in this way.

[0038] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A stretching device for producing PU artificial leather, characterized in that, include The base plate (1) is symmetrically divided into blocks and can be moved and stretched under the action of the pushing component; Mounting plates (2) are installed in pairs on both sides of the base plate (1), and placement rollers (4) and winding rollers (7) are respectively rotatably installed inside the mounting plates (2) on both sides. A control panel (3) is installed on the outside of the mounting plates (2). The clamping frame (5) is symmetrically installed on both sides of the base plate (1). The clamping frame (5) has multiple bottom plates (110) inside. Each bottom plate (110) has an upper clamping plate (17) at its upper end. The upper clamping plate (17) moves up and down under the action of the force lifting assembly.

2. The stretching device for producing PU artificial leather according to claim 1, characterized in that: The base plate (1) is divided into two movable plates from the middle shaft, and universal wheels (120) are installed at the lower end of the plate. The pushing assembly includes a mounting groove (121) on the inner side of one of the movable plates for mounting a second electric push rod (122). The output end of the second electric push rod (122) passes through the mounting groove (121) and contacts the other movable plate.

3. The stretching device for producing PU artificial leather according to claim 1, characterized in that: The mounting plate (2) has multiple U-shaped placement frames (115) with upper openings on both sides inside for placing the placement roller (4) and the winding roller (7), and the placement frame (115) located at the winding roller (7) has a through opening (116) extending outward.

4. The stretching device for producing PU artificial leather according to claim 3, characterized in that: The take-up roller (7) has a rectangular insertion groove (117) on its outer side. The base plate (1) has a push plate (6) on one side. The base plate (1) has a sliding groove (9) inside. The bottom of the push plate (6) has a sliding slider (10) that is slidably connected to the sliding groove (9). The push plate (6) has multiple first motors (8) installed on its outer side. The output end of the first motor (8) is connected to a rod (118) that passes through the through-hole (116) and connects to the insertion groove (117). The base plate (1) has a first electric push rod (119) installed on its upper end. The output end of the first electric push rod (119) is connected to the push plate (6).

5. The stretching device for producing PU artificial leather according to claim 1, characterized in that: The force-lifting assembly includes side plates (11) located on the outer sides of the upper and lower ends of the clamping frame (5). The left and right sides of the side plates (11) are respectively rotatably connected to a lead screw (19) and fixedly connected to a positioning slide rod (16). The clamping frame (5) has multiple through positioning slide grooves (13) on both sides. The upper clamping plate (17) has positioning sliders (14) on both sides that pass through the positioning slide grooves (13). The positioning slider (14) has a threaded hole (18) on one side that is connected to the lead screw (19). The top of the side plate (11) is equipped with a second motor (12), and the output end of the second motor (12) is connected to the lead screw (19). The other side of the positioning slider (14) has a positioning slide hole (15) that is slidably connected to the positioning slide rod (16).

6. The stretching device for producing PU artificial leather according to claim 1, characterized in that: The bottom plate (110) is provided with an outer reinforcing plate (114) at the upper end, and the outer reinforcing plate (114) is provided with multiple telescopic rods (112) inside. The telescopic rods (112) are wrapped with springs (113) on the outside. The outer reinforcing plate (114) is slidably connected with a buffer plate (111), and the top of the telescopic rods (112) is connected to the buffer plate (111).

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