Automatic cutting and coiling machine for PVC artificial leather / PVC floor

Abstract

The utility model discloses an automatic cutting and coiling machine for PVC artificial leather / PVC floors. The automatic cutting and coiling machine comprises a double-station coiling device and an automatic cutting device arranged at the front end of the double-station coiling device. The automatic cutting device comprises a rack, the bottom of the rack is slidably arranged on a base, a fixing base is arranged at the rear end of the base, a telescopic air cylinder horizontally arranged front and back is installed on the fixing base, the front end of a piston rod of the telescopic air cylinder is connected with the rack, and the rear end of a cylinder barrel of the telescopic air cylinder is connected with the fixing base. Clamping grooves with openings in the rear ends are formed in a left wall plate and a right wall plate of the rack, the first driven rubber roller is arranged between the left wall plate and the right wall plate and located on the rear sides of the clamping grooves, the transition gear and the driving rotating gear are arranged on the left wall plate, and a driven rotating gear corresponding to the driving rotating gear is arranged on the right wall plate. And the second driven rubber roller is arranged between the driving rotating gear and the driven rotating gear. The double-station coiling device effectively solves the technical problems that an existing double-station coiling device is low in safety and coiling efficiency.

Description

TECHNICAL FIELD

[0001] The utility model belongs to PVC artificial leather / PVC floor automatic cutting and winding technical field, specifically speaking, it is automatic cutting and automatic winding for the production equipment of calendering method PVC artificial leather, coating method PU / PVC synthetic leather / artificial leather and calendering method PVC floor, coating method PVC sports floor etc. BACKGROUND

[0002] Compared with natural leather, artificial leather is artificially manufactured leather, and production methods include two types of calendering method and coating method. The main raw material of the calendering method is PVC resin, and PVC film produced by a four-roll calendering production line is compounded with base cloth, and after winding, it is processed by a plasticizing embossing production line with a guide rail chain needle plate as a carrier, and after winding, it is treated by a surface treatment machine, and is wound, and is called PVC artificial leather. The coating method is divided into two types of wet method and dry method, the main raw material of the wet method is PU resin, the base cloth is used as a carrier, the base cloth is immersed with PU slurry on both sides, and after extrusion, washing and plasticizing, it is wound by a winding machine, and is called PU synthetic leather. The main raw material of the dry method is PU and PVC resin, a layer of PU resin is coated on release paper, and then a PVC layer is coated, and after plasticizing, the product is compounded with the base cloth, and after drying, the product is peeled off from the release paper and wound respectively, and after unwinding, it is treated by a surface treatment machine and wound, and is called dry method.

[0003] The existing product winding machine adopts a double-station manual cutting and manual winding mode, relies on manual cutting, and cuts the product by using a wallpaper cutter on both sides, and winds the product on a winding shaft manually, so that the product has an inclined edge, the wider the width of the product is, the larger the inclined angle is, and even the personal safety of the operator is endangered. Therefore, a high-safety automatic cutting and winding machine is needed to ensure the uniform width of the cut product, reduce the number of operators and improve the automation degree of the winding machine. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a high-safety automatic cutting and winding machine for PVC artificial leather / PVC floor, which can automatically cut to improve winding efficiency, and sets corresponding automatic cutting devices at the front end of the existing double-station winding device, so that manual cutting is not needed, the phenomenon that the product has an inclined edge and the wider the width of the product is, the larger the inclined angle is, is avoided, and the safety of the product production process is improved.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] Automatic cutting and winding machine for PVC artificial leather / PVC floor, comprising double-station winding device and automatic cutting device arranged at front end of double-station winding device; automatic cutting device comprises rack, bottom of rack is slidably arranged on base, rear end of base is provided with fixing seat, retractable cylinder is installed on fixing seat, front end of piston rod of retractable cylinder is connected with rack, rear end of cylinder barrel of retractable cylinder is connected with fixing seat;

[0007] Rack is provided with left wall plate, right wall plate, cutting mechanism, first passive rubber roller, second passive rubber roller, rotary cylinder, transition gear, driving rotary gear and passive rotary gear, left wall plate and right wall plate are both provided with clamping groove with open rear end, first passive rubber roller is arranged between left wall plate and right wall plate and at rear side of clamping groove, rotary cylinder is arranged at left side of left wall plate, rotary cylinder is drivingly connected with transition gear, transition gear is rotatably connected with driving rotary gear, transition gear and driving rotary gear are both arranged on left wall plate, passive rotary gear corresponding to driving rotary gear is arranged on right wall plate, second passive rubber roller is arranged between driving rotary gear and passive rotary gear.

[0008] Cutting mechanism is arranged at front part of left wall plate, cutting mechanism comprises lifting cylinder, rodless cylinder and cutting blade, rodless cylinder is installed on piston rod of lifting cylinder, cutting blade is installed on rodless cylinder.

[0009] Front end groove bottom of clamping groove is circular groove bottom corresponding to double-station winding device, driving rotary gear is concentrically arranged with clamping groove of left wall plate, passive rotary gear is concentrically arranged with clamping groove of right wall plate.

[0010] Diameters of pitch circles of driving rotary gear and passive rotary gear are both greater than diameter of circular groove bottom of clamping groove.

[0011] Driving rotary gear and passive rotary gear are provided with missing grooves corresponding to clamping groove.

[0012] The application sets corresponding automatic cutting device at front end of existing double-station winding device, automatic cutting device comprises rack, rack is provided with left wall plate, right wall plate, cutting mechanism, first passive rubber roller, second passive rubber roller, rotary cylinder, transition gear, driving rotary gear and passive rotary gear, cutting mechanism is arranged at front part of left wall plate, cutting mechanism comprises lifting cylinder, rodless cylinder and cutting blade, rodless cylinder is installed on piston rod of lifting cylinder, cutting blade is installed on rodless cylinder, lifting cylinder controls lifting of cutting blade by using cutting mechanism, so that cutting blade cuts products, automatic cutting is achieved, manual cutting is not needed, phenomenon that products have bevel and bevel angle is greater with wider width is avoided, safety of product production process is improved.

[0013] The application combines the automatic cutting device and the existing double-station winding device, so that the leather product winding process does not need manual cutting, improves the winding efficiency of the leather product, and effectively solves the technical problems of low safety and low winding efficiency of the existing double-station winding device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic diagram of the application.

[0015] Fig. 2 It is a structural schematic diagram of the automatic cutting device of the application. DETAILED DESCRIPTION

[0016] As shown in Figs. 1-2 , the automatic cutting and winding machine for PVC artificial leather / PVC floor includes a double-station winding device 1 and an automatic cutting device 2 arranged at the front end of the double-station winding device 1; the automatic cutting device 2 includes a rack 3, the bottom of the rack 3 is slidably arranged on a base 4, the rear end of the base 4 is provided with a fixed seat 5, a front and rear horizontally arranged telescopic cylinder 6 is installed on the fixed seat 5, the front end of the piston rod of the telescopic cylinder 6 is connected to the rack 3, and the rear end of the cylinder barrel of the telescopic cylinder 6 is connected to the fixed seat 5.

[0017] A left wall plate 7, a right wall plate 8, a cutting mechanism, a first passive rubber roller 9, a second passive rubber roller 10, a rotary cylinder 11, a transition gear 12, a driving rotary gear 13, and a passive rotary gear are installed on the rack 3; the left wall plate 7 and the right wall plate 8 are both provided with a clamping groove 14 with an open rear end, the first passive rubber roller 9 is arranged between the left wall plate 7 and the right wall plate 8 and located at the rear side of the clamping groove 14, the rotary cylinder 11 is arranged on the left side of the left wall plate 7, the rotary cylinder 11 is drivingly connected to the transition gear 12, the transition gear 12 is rotationally connected to the driving rotary gear 13, the transition gear 12 and the driving rotary gear 13 are both arranged on the left wall plate 7, the passive rotary gear corresponding to the driving rotary gear 13 is arranged on the right wall plate 8, and the second passive rubber roller 10 is arranged between the driving rotary gear 13 and the passive rotary gear.

[0018] The cutting mechanism is arranged at the front part of the left wall plate 7, the cutting mechanism includes a lifting cylinder 15, a rodless cylinder 16, and a cutting blade 17, the rodless cylinder 16 is installed on the piston rod of the lifting cylinder 15, and the cutting blade 17 is installed on the rodless cylinder 16.

[0019] The front end groove bottom of the clamping groove 14 is a circular groove bottom corresponding to the double-station winding device 1, the driving rotary gear 13 is concentrically arranged with the clamping groove 14 of the left wall plate 7, and the passive rotary gear is concentrically arranged with the clamping groove 14 of the right wall plate 8. The pitch circle diameters of the rotary gear and the passive rotary gear are both greater than the diameter of the circular groove bottom of the clamping groove 14. The driving rotary gear 13 and the passive rotary gear are provided with a missing groove corresponding to the clamping groove 14.

[0020] The automatic cutting and winding machine for PVC artificial leather / PVC floor of the present application is used in specific, the PVC artificial leather / PVC floor product 18 passes through the lower part of the winding pipe 12b of the double-station winding device 1 through the first passive rubber roller 9 and reaches the winding pipe 12a through the adjusting roller 24a to be wound (the double-station winding device 1 is the double-station winding machine for PVC artificial leather floor of the application number 201120057481.1, which is not described here again), when wound to a certain thickness, the automatic cutting device 2 is cut under the control of the control system, the specific process is: in the initial state, the telescopic cylinder 6 is in the elongation state, at this time, the frame 3 is away from the double-station winding device 1, and the lifting cylinder 15 is in the compression state; when cutting is needed, the control system controls the telescopic cylinder 6 to compress to drive the frame 3 to slide backward along the base 4 to approach the double-station winding device 1 until the clamping groove 14 is clamped on the winding pipe 12b, at this time, the control system controls the lifting cylinder 15 to elongate to drive the cutting blade 17 to move upward through the rodless cylinder 16 to cut the product 18, and then the control system controls the rotary cylinder 11 to rotate to drive the transition gear 12 to rotate to drive the driving rotary gear 13 to rotate, the driving rotary gear 13 and the passive rotary gear drive the second passive guide roller to rotate 180°-270° around the winding pipe 12b to make the product 18 be wound by the winding pipe 12b, then the control system controls the lifting cylinder 15 and the telescopic cylinder 6 to reset, and finally the product 18 wound by the winding pipe 12a is taken down, the automatic cutting and winding of the product 18 are completed, after the winding of this station is completed, the control system controls the double-station winding device 1 to convert the station, until the product 18 on the winding pipe 12b is wound to a certain thickness, the control system controls the automatic cutting device 2 to act to cut.

[0021] The present application sets the corresponding automatic cutting device 2 at the front end of the existing double-station winding device 1, the automatic cutting device 2 includes the frame 3, the frame 3 is installed with the left wall plate 7, the right wall plate 8, the cutting mechanism, the first passive rubber roller 9, the second passive rubber roller 10, the rotary cylinder 11, the transition gear 12, the driving rotary gear 13 and the passive rotary gear, the cutting mechanism is arranged at the front part of the left wall plate 7, the cutting mechanism includes the lifting cylinder 15, the rodless cylinder 16 and the cutting blade 17, the rodless cylinder 16 is installed on the piston rod of the lifting cylinder 15, and the cutting blade 17 is installed on the rodless cylinder 16. The lifting cylinder 15 of the cutting mechanism is used to control the lifting of the cutting blade 17, and then the cutting blade 17 cuts the product 18 to achieve the purpose of automatic cutting without manual cutting, which avoids the phenomenon that the product 18 produces bevel and the wider the width is, the larger the bevel angle is, and improves the safety of the production process of the product 18. The combination of the automatic cutting device 2 and the existing double-station winding device 1 makes it unnecessary to manually cut the leather product 18 during the winding process, improves the winding efficiency of the leather product 18, and effectively solves the technical problems of low safety and low winding efficiency of the existing double-station winding device 1.

[0022] The above examples are only used to illustrate but not to limit the technical solutions of the present application. Although the present application has been described in detail with reference to the above examples, those skilled in the art should understand that the present application can still be modified or equivalently replaced without departing from the spirit and scope of the present application, and any modification or partial replacement should be covered in the scope of the claims of the present application.

Claims

1. An automatic cutting and winding machine for PVC artificial leather / PVC flooring, comprising a dual-station winding device and an automatic cutting device disposed at the front end of the dual-station winding device; characterized in that: The automatic cutting device includes a frame, the bottom of which is slidably mounted on a base. A fixed seat is provided at the rear end of the base. A telescopic cylinder is installed on the fixed seat and is arranged horizontally in front and behind. The front end of the piston rod of the telescopic cylinder is connected to the frame, and the rear end of the cylinder barrel of the telescopic cylinder is connected to the fixed seat. The frame is equipped with a left wall plate, a right wall plate, a cutting mechanism, a first passive rubber roller, a second passive rubber roller, a rotary cylinder, a transition gear, a driving rotary gear, and a passive rotary gear. Both the left and right wall plates are provided with slots with open rear ends. The first passive rubber roller is located between the left and right wall plates and behind the slots. The rotary cylinder is located on the left side of the left wall plate. The rotary cylinder is driven by the transition gear, which is rotatably connected to the driving rotary gear. Both the transition gear and the driving rotary gear are located on the left wall plate. The right wall plate is provided with a passive rotary gear corresponding to the driving rotary gear. The second passive rubber roller is located between the driving rotary gear and the passive rotary gear.

2. The automatic cutting and winding machine for PVC artificial leather / PVC flooring according to claim 1, characterized in that: The cutting mechanism is located at the front of the left wall panel. The cutting mechanism includes a lifting cylinder, a rodless cylinder, and a cutting blade. The rodless cylinder is mounted on the piston rod of the lifting cylinder, and the cutting blade is mounted on the rodless cylinder.

3. The automatic cutting and winding machine for PVC artificial leather / PVC flooring according to claim 2, characterized in that: The front end of the slot is a circular slot bottom corresponding to the dual-station winding device. The active rotating gear is concentrically set with the slot of the left wall plate, and the passive rotating gear is concentrically set with the slot of the right wall plate.

4. The automatic cutting and winding machine for PVC artificial leather / PVC flooring according to claim 3, characterized in that: The pitch circle diameters of both the active and passive rotating gears are larger than the diameter of the circular groove bottom of the slot.

5. The automatic cutting and winding machine for PVC artificial leather / PVC flooring according to claim 4, characterized in that: The active and passive rotating gears have notches corresponding to the slots.

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