Intelligent co-extrusion molding thermoplastic glass fiber reinforced plastic antiskid tray production line

Abstract

The utility model discloses an intelligent co-extrusion mould pressing thermoplastic glass fiber reinforced plastic anti-skid tray production line which comprises an extrusion mechanism, a calendaring roller set, a conveyor, a slicing machine, a drying oven and a gantry press which are sequentially arranged, the calendaring roller set comprises two calendaring rollers, and a discharging mould of the extrusion mechanism extends to a gap between two composite rollers for discharging. And one side of the calendering roller group is provided with an unreeling machine for reeling and unreeling the reinforced fiber felt. The composite layer is formed by compounding in the mold and then compounded with the unwound reinforced fiber felt to form the high-tensile and high-strength sheet, the sheet is subjected to compression molding through the gantry press after being conveyed, sheared and heated, the whole production line equipment is greatly simplified, the structure is compact, the circuit is short, the cost is low, and the production efficiency is high. The sheet is high in strength, high in tensile property and good in anti-skid performance after being compounded, local damage and other situations cannot occur in the whole production process, in addition, various operation parameters of the whole production line are uniformly controlled through the control box, and when the parameters are wrong, the control box controls the production line to stop running.

Description

Technical Field

[0001] The utility model relates to a pallet production line, in particular to an intelligent co-extrusion molded thermoplastic glass fiber reinforced plastic anti-skid pallet production line. Background Art

[0002] Anti-slip trays are widely used in life. The anti-slip layer on the surface of trays used in restaurants, cafes, hot pot restaurants, buffet restaurants and other places can be used.

[0003] At present, the patent with patent publication number CN102642313A discloses a rubber sheet lamination production line and a method for producing sheets. The production line mainly includes an L-type extruder, a 1# calender, a 1# stretching machine, a coating machine, a laminating device, a joint machine, a film buffer device, a 2# stretching machine, a 2# calender, and a winding device, and these devices are arranged in sequence; the preparation method mainly adopts a conveying and winding method for lamination, wherein the laminating device includes a 1# conveyor belt, a 1# cutter, a 2# conveyor belt, a 2# cutter, a 2# pressing roller, a 1# pressing roller and a transmission system, and the continuous preparation of multi-layer rubber composite sheets is achieved by alternating winding and conveying of two sets of conveyor belts in the laminating device.

[0004] In the above patent, the film formed by extrusion and calendering by an extruder is stretched, coated and then roll-laminated. It not only needs to rely on glue for lamination, but the multi-layer film product made by glue has low strength and is easy to break. The tensile strength of each part is affected by the uniformity of glue coating, and there will be certain differences, and the finished sheet is difficult to recycle; in addition, it needs to be pressed by a lamination device, and it is easy to be damaged during pressing; finally, there is also the problem of too long production line and increased cost. Utility Model Content

[0005] Based on the shortcomings of the prior art that the sheets are easily damaged, difficult to recycle, the production line is too long, and the cost is high, the utility model provides an intelligent co-extrusion molded thermoplastic fiberglass anti-skid pallet production line.

[0006] The technical solution adopted by the utility model to solve the above technical problems is:

[0007] The intelligent co-extrusion molded thermoplastic glass fiber reinforced plastic anti-skid pallet production line includes an extrusion mechanism, a calendering roller group, a roller, a conveyor, a shearing machine, an oven, a gantry press and a control box for unified control, which are arranged in sequence. The calendering roller group includes two calendering rollers and the extrusion die of the extrusion mechanism extends to the gap between the two composite rollers to discharge the material. A reel for winding and unwinding the reinforced fiber felt is provided on one side of the calendering roller group. The extrusion die of the extrusion mechanism is an in-mold composite die. After the extruded material is composited in the mold, the output A side is TPE and the B side is reinforced PP The composite layer is compounded at the calendering roller group with the reinforced fiber felt unwound from the unwinding rack to form a sheet for molded pallets. The sheet is supported by rollers, transported by conveyors, sliced ​​by shears and heated in ovens, and then sent to the gantry press for molding. The control box is used to automatically control the temperature of the extrusion mechanism and the proportion of the extruded material, the temperature of the calendering rollers, the operation of the conveyor, the operation of the shears, the temperature of the oven and the operation of the gantry press. When the operating parameters do not match the preset values, the control box controls the production line to stop. In this solution, a composite layer is formed by compounding in a mold, and then compounded with the unwound reinforced fiber felt to form a high tensile and high strength sheet, which is then molded by a gantry press after conveying, shearing, and heating. The entire production line equipment is greatly streamlined, with a compact structure, short lines, and low costs. After compounding, the sheet has high strength, strong tensile properties, and good anti-slip properties. Local damage will not occur during the entire production process. In addition, various operating parameters of the entire production line are uniformly controlled by a control box. When a parameter error occurs, the control box controls the production line to stop operating.

[0008] Preferably, a horizontally movable clamping manipulator is provided at the rear side of the oven, and the clamping manipulator moves to the rear side of the oven to clamp the composite sheet and transport it to the gantry press. The clamping manipulator moves back and forth and clamps the sheared sheet through the clamping claw and transports it to the gantry press for molding.

[0009] Preferably, a material unloading robot is provided at the rear side of the gantry press, and the material unloading robot moves to the gantry press to take out the anti-slip tray.

[0010] Preferably, a plurality of rollers are provided to support the unhardened composite sheet. Since the composite sheet has not been cooled and hardened and is relatively soft, rollers are required to support it.

[0011] Preferably, the extrusion mechanism comprises two extruders, which are connected to the same in-mold composite mold and extrude TPE and reinforced PP respectively.

[0012] Preferably, a hydraulic screen changer is provided between the two extruders and the in-mold composite mold. The hydraulic screen changer is used to filter out impurities in the extruded material and is equipped with a hydraulic station.

[0013] Preferably, both extruders are equipped with an automatic feeder, which is a screw feeder, a feed bin is arranged at the input end of the screw feeder, and an output end of the screw feeder extends above the feed hopper of the extruder.

[0014] Preferably, the mold of the gantry press is provided with a concave-convex pattern, and the concave-convex pattern is formed on the finished product during compression molding.

[0015] Preferably, the mold of the gantry press has an inner cavity, which has a water inlet and a water outlet and is connected to hot and cold water pipes to control the temperature of the mold during molding.

[0016] Preferably, the two composite rollers are a first calendering roller and a second calendering roller, and the spacing between the first calendering roller and the second calendering roller is adjustable. The spacing can be adjusted by a hydraulic support frame or by a set of sliding frames that can move closer to and away from each other, and the spacing adjustment is used to control the thickness of the output sheet.

[0017] Compared with the prior art, the utility model has the following advantages: the utility model forms a composite layer by compounding in a mold, and then compounds it with the unwound reinforced fiber felt to form a high tensile and high strength sheet, and then uses a gantry press to mold it after conveying, shearing, and heating. The entire production line equipment is greatly streamlined, the structure is compact, the line is short, and the cost is low. Moreover, the sheet has high strength, strong tensile performance and good anti-slip performance after compounding, and no local damage will occur during the entire production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be used as a limitation on the scope of the present invention. In addition, unless otherwise specified, the drawings are only schematically representing the composition or structure of the described object and may contain exaggerated displays, and the drawings are not necessarily drawn to scale.

[0019] Figure 1 A side view of the present application;

[0020] Figure 2 A top view of the application;

[0021] In the figure: 10, screw feeder; 20, extruder; 201, extrusion die; 202, hydraulic screen changer; 30, calendering roller group; 40, conveyor; 50, shearing machine; 60, oven; 70, gantry press; 701, material clamping robot; 80, unwinding machine. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are only descriptive and exemplary and should not be construed as limiting the protection scope of the present invention.

[0023] It should be noted that like reference numerals denote similar items in the following drawings, and thus, once an item is defined in one drawing, it may not be further defined or explained in subsequent drawings.

[0024] This embodiment mainly describes the title of the intelligent co-extrusion molded thermoplastic glass fiber reinforced plastic anti-skid pallet production line, as follows:

[0025] Intelligent co-extrusion molding thermoplastic fiberglass non-slip pallet production line, such as Figure 1-2 As shown, it includes an extrusion mechanism, a calendering roller group 30, a roller, a conveyor 40, a shearing machine 50, an oven 60, a gantry press 70 and a control box for unified control, the calendering roller group 30 includes two calendering rollers, and the extrusion die 201 of the extrusion mechanism extends to the gap between the two composite rollers to discharge the material. A reel 80 for winding the reinforced fiber felt is provided on one side of the calendering roller group 30. The extrusion die 201 of the extrusion mechanism is an in-mold composite die. After the extruded material is composited in the mold, a composite layer with TPE on the A side and reinforced PP on the B side is output. The combined layer is compounded with the reinforced fiber felt unwound from the unwinding rack at the calendering roller group 30 to form a sheet for molded pallets. The sheet is successively supported by rollers, conveyed by the conveyor 40, sliced ​​by the shearing machine 50, and heated by the oven 60, and then sent to the gantry press 70 for molding. The control box is used to automatically control the temperature of the extrusion mechanism and the proportion of the extruded material, the temperature of the calendering roller, the operation of the conveyor 40, the operation of the shearing machine 50, the temperature of the oven 60, and the operation of the gantry press 70. When the operating parameters do not match the preset values, the control box controls the production line to stop. In this scheme, a composite layer is formed by compounding in the mold, and then compounded with the unwound reinforced fiber felt to form a high tensile and high strength sheet, and then after conveying, shearing, and heating, it is molded by the gantry press 70. The entire production line equipment is greatly streamlined, compact, short, and low-cost. The sheet has high strength, strong tensile properties, and good anti-slip properties after compounding, and no local damage will occur during the entire production process.

[0026] Preferably, a horizontally movable clamping manipulator 701 is provided at the rear side of the oven 60, and the clamping manipulator 701 moves to the rear side of the oven 60 to clamp the composite sheet and transport it to the gantry press 70. The clamping manipulator 701 clamps the sheared sheet and transports it to the gantry press 70 for molding.

[0027] Preferably, a material unloading robot is provided at the rear side of the gantry press 70, and the material unloading robot moves to the gantry press 70 to take out the anti-slip tray.

[0028] Preferably, a plurality of rollers are provided to support the unhardened composite sheet. Since the composite sheet has not been cooled and hardened and is relatively soft, rollers are required to support it.

[0029] Preferably, the extrusion mechanism includes two extruders 20, and the two extruders 20 are connected to the same in-mold composite mold. The two extruders 20 extrude TPE and reinforced PP respectively.

[0030] Preferably, a hydraulic screen changer 202 is provided between the two extruders 20 and the in-mold composite mold. The hydraulic screen changer 202 is used to filter out impurities in the extruded material, and is equipped with a hydraulic station.

[0031] Preferably, both extruders 20 are equipped with an automatic feeder 10. The automatic feeder 10 is a screw feeder 10, a silo is provided at the input end of the screw feeder 10, and an output end of the screw feeder 10 extends above the feed hopper of the extruder 20.

[0032] Preferably, the mold of the gantry press 70 is provided with a concave-convex pattern, and the concave-convex pattern is formed on the finished product during molding. The gantry press 70 includes an upper mold and a lower mold, the upper mold is driven by a hydraulic cylinder, and the upper mold is slidably arranged on a guide post, and the guide post is only arranged at two ends of the tail side, and the feed end is not provided with a guide post to avoid interference with the pneumatic clamp, and two connecting arms are arranged at the output end of the hydraulic cylinder, and the upper mold is fixed to the bottom ends of the two connecting arms to increase its stability.

[0033] Preferably, the mold of the gantry press 70 has an inner cavity, which has a water inlet and a water outlet and is connected to hot and cold water pipes to control the temperature of the mold during molding.

[0034] Preferably, the two composite rollers are a first calendering roller and a second calendering roller, and the spacing between the first calendering roller and the second calendering roller is adjustable. The spacing can be adjusted by a hydraulic support frame or by a set of sliding frames that can move closer to and away from each other, and the spacing adjustment is used to control the thickness of the output sheet.

[0035] The above is a detailed introduction to the titles provided by the utility model. Specific examples are used in this article to illustrate the principles and implementation methods of the utility model. The description of the above embodiments is only used to help understand the utility model and its core ideas. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified. These improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. Intelligent co-extrusion molded thermoplastic glass fiber reinforced plastic anti-skid pallet production line, including an extrusion mechanism, a calendering roller group, a roller, a conveyor, a shearing machine, an oven, a gantry press and a control box for unified control arranged in sequence, the calendering roller group includes two calendering rollers and the extrusion die of the extrusion mechanism extends to the gap between the two composite rollers for discharging, and a calendering roller group is provided on one side with a uncoiler for winding and unwinding the reinforcing fiber felt, characterized in that: The extrusion die of the extrusion mechanism is an in-mold composite die. After the extruded material is composited in the mold, a composite layer with TPE on the A side and reinforced PP on the B side is output. The composite layer is compounded with the reinforced fiber felt unwound from the unwinding rack at the calendering roller group to form a sheet for a molded pallet. The sheet is supported by rollers, transported by conveyors, sliced ​​by shears, and heated in ovens, and then sent to the gantry press for compression molding. The control box is used to automatically control the temperature of the extrusion mechanism, the proportion of the extruded material, the temperature of the calendering rollers, the operation of the conveyor, the temperature of the oven and the operation of the gantry press.

2. The intelligent co-extrusion molded thermoplastic fiberglass non-slip pallet production line according to claim 1 is characterized in that: A horizontally movable material clamping robot is provided at the rear side of the oven. The material clamping robot moves to the rear side of the oven to clamp the composite sheet and transport it to the gantry press.

3. The intelligent co-extrusion molded thermoplastic fiberglass anti-slip pallet production line according to claim 2 is characterized in that: A material unloading robot is provided at the rear side of the gantry press, and the material unloading robot moves to the gantry press to take out the anti-slip tray.

4. The intelligent co-extrusion molded thermoplastic fiberglass non-slip pallet production line according to claim 1 is characterized in that: A plurality of support rollers are provided for supporting the unhardened composite sheet.

5. The intelligent co-extrusion molded thermoplastic fiberglass anti-skid pallet production line according to claim 1 is characterized in that: The extrusion mechanism comprises two extruders, and the two extruders are connected to the same in-mold composite mold.

6. The intelligent co-extrusion molded thermoplastic fiberglass non-slip pallet production line according to claim 5 is characterized in that: A hydraulic screen changer is installed between the two extruders and the in-mold composite mold.

7. The intelligent co-extrusion molded thermoplastic fiberglass non-slip pallet production line according to claim 5 is characterized in that: Both extruders are equipped with automatic loaders.

8. The intelligent co-extrusion molded thermoplastic fiberglass non-slip pallet production line according to claim 1 is characterized in that: The mold of the gantry press is provided with a concave and convex pattern, and the concave and convex pattern is formed on the finished product during the molding process.

9. The intelligent co-extrusion molded thermoplastic fiberglass non-slip pallet production line according to claim 8 is characterized in that: The mold of the gantry press has an inner cavity, which has a water inlet and a water outlet and is connected to hot and cold water pipes to control the temperature of the mold during molding.

10. The intelligent co-extrusion molded thermoplastic fiberglass non-slip pallet production line according to claim 1 is characterized in that: The two composite rollers are a first calendering roller and a second calendering roller, and the distance between the first calendering roller and the second calendering roller is adjustable.

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