CN109080100B - Intelligent platform rear-projection film processing device and method - Google Patents
Intelligent platform rear-projection film processing device and method Download PDFInfo
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- CN109080100B CN109080100B CN201810888948.3A CN201810888948A CN109080100B CN 109080100 B CN109080100 B CN 109080100B CN 201810888948 A CN201810888948 A CN 201810888948A CN 109080100 B CN109080100 B CN 109080100B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/125—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis for thin material, e.g. for sheets, strips or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/015—Means for holding or positioning work for sheet material or piles of sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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Abstract
The invention discloses an intelligent platform rear-projection film processing device and method, which comprises a bottom plate, an extrusion molding device and a cutting device, wherein the extrusion molding device and the cutting device are positioned on the top surface of the bottom plate, an auxiliary carrier roller is arranged between the extrusion molding device and the cutting device, and a rear-projection film sequentially passes through the extrusion molding device, the auxiliary carrier roller and the cutting device. The processing method comprises the following steps: mixing raw materials, extruding and forming a rear projection film, cutting the rear projection film and carrying out rear projection film post-treatment. The processing method of the rear projection film has simple steps, improves the extrusion molding efficiency of the rear projection film, improves the cutting processing precision of the rear projection film, meets the requirement of flow line production, and improves the production efficiency of the rear projection film.
Description
Technical Field
The invention relates to a device and a method for processing an intelligent platform rear projection film.
Background
The back projection film is a new generation of display equipment, has incomparable advantages of high definition, strong light resistance, ultra-light and thinness, aging resistance and the like, and achieves perfect imaging of high definition and high brightness due to the fact that the inside of the back projection film contains an advanced precise optical structure.
The rear projection film uses special composite materials, so that the damage of ultraviolet rays and infrared rays to the projection film is isolated, and the rear projection film has high acid and alkali resistance and high oxidation resistance.
Due to the particularity of the use of the rear projection film, higher requirements are put on the manufacturing process of the rear projection film. The rear projection film in the prior art has low processing precision, so that the image can not be clearly projected and the requirement of flow line production can not be met.
Disclosure of Invention
The invention aims to provide a technical scheme of an intelligent platform rear projection film processing device and a method aiming at the defects in the prior art, through the design of an extrusion molding device, a rear projection film material can be directly extruded and molded according to a design size, the thickness of the extruded rear projection film is matched with the design size, the processing precision of the rear projection film is improved, the transparency of the rear projection film is improved, the intelligent platform is clearer in projection, the rear projection film can be rapidly cut through the design of a cutting device, the rear projection film is cut into the design size, the production efficiency of the rear projection film is improved, the production line production can be met, the processing method has simple steps, the extrusion molding efficiency of the rear projection film is improved, the cutting processing precision of the rear projection film is improved, the requirements of the production line production are met, and the production efficiency of the rear projection film is improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an intelligence podium rear-projection membrane processingequipment which characterized in that: the rear-projection film forming device comprises a bottom plate, an extrusion forming device and a cutting device, wherein the extrusion forming device and the cutting device are positioned on the top surface of the bottom plate, an auxiliary carrier roller is arranged between the extrusion forming device and the cutting device, and a rear-projection film sequentially penetrates through the extrusion forming device, the auxiliary carrier roller and the cutting device; through the design of the extrusion molding device, the rear projection film material can be directly extruded and molded according to the design size, the thickness of the extruded rear projection film is matched with the design size, the processing precision of the rear projection film is improved, the transparency of the rear projection film is improved, the intelligent platform can be projected clearly, the rear projection film can be cut quickly through the design of the cutting device, the rear projection film is cut into the design size, the production efficiency of the rear projection film is improved, the assembly line production can be met, the auxiliary carrier roller can tension the rear projection film, the cutting processing precision of the rear projection film is prevented from being influenced due to the fact that the rear projection film is loosened between the two processes of extrusion molding and cutting, and the production efficiency of the whole assembly line is further influenced.
Further, extrusion moulding device includes first locating plate, the second locating plate, first extrusion mechanism and second extrusion mechanism, two first locating plates are located the top surface both sides of second locating plate, two first locating plates pass through first backup pad fixed connection second locating plate, first extrusion mechanism and second extrusion mechanism are located two first locating plates, first locating plate can fix a position first extrusion mechanism and second extrusion mechanism, prevent to make the thickness of rear-projection membrane inhomogeneous because rock at extrusion moulding in-process, first backup pad has improved stability and the reliability of being connected between first locating plate and the second locating plate.
Further, the first extrusion mechanism comprises an upper extrusion roller, a first servo motor, a first piston rod and a first hydraulic cylinder, two ends of the upper extrusion roller are respectively connected with a first auxiliary block and a first speed reducer, the first auxiliary block and the first speed reducer are connected to the top end of the first piston rod through a first lifting block, the first speed reducer is connected with the first servo motor, the two first piston rods are symmetrically distributed on one side of the second positioning plate, the first hydraulic cylinder is connected to the bottom ends of the two first piston rods, the first hydraulic cylinder is fixedly connected to one side of the second positioning plate through a fixing frame, the first piston rod is driven to move up and down through the first hydraulic cylinder, the height position of the upper extrusion roller is adjusted, the distance between the upper extrusion roller and the lower extrusion roller is adjusted, the first servo motor drives the upper extrusion roller to rotate through the first speed reducer, extrusion processing of a rear projection film is realized, and the stability of the first extrusion mechanism when moving up and down is improved through the two first hydraulic cylinders and the first piston rod on the same side And (4) the performance and reliability.
Further, the second extrusion mechanism comprises a lower extrusion roller, a second servo motor, a second piston rod and a first hydraulic cylinder, the lower extrusion roller is positioned below the upper extrusion roller, two ends of the lower extrusion roller are respectively connected with a second auxiliary block and a second speed reducer, the second auxiliary block and the second speed reducer are both connected to the top ends of the second piston rods through second lifting blocks, the second speed reducer is connected with the second servo motor, the two second piston rods are symmetrically distributed on the other side of the second positioning plate, the bottom ends of the two second piston rods are both connected with the first hydraulic cylinder, the first hydraulic cylinder is fixedly connected to the other side of the second positioning plate through a fixing frame, the second piston rods are driven to move up and down through the first hydraulic cylinder, the height position of the lower extrusion roller is further adjusted, the distance between the upper extrusion roller and the lower extrusion roller is adjusted, and the second servo motor drives the lower extrusion roller to rotate through the second speed reducer, the rear projection film is extruded, and the stability and the reliability of the second extrusion mechanism in up-and-down movement are improved by the two first hydraulic cylinders and the second piston rod which are arranged on the same side.
Further, the cutting device comprises a second supporting plate, a cutting table, a cutting mechanism and a positioning mechanism, wherein the supporting plate and the cutting table are fixedly connected on the top surface of the second supporting plate, positioning blocks are symmetrically arranged on one side, close to the cutting table, of the supporting plate, guide rails are symmetrically arranged between the two positioning blocks, guide grooves are formed between the two guide rails, a boosting block is movably connected in the guide grooves and connected with the cutting mechanism, a second hydraulic cylinder is connected to the two positioning blocks, a fourth piston rod is arranged in the second hydraulic cylinder, the end part of the fourth piston rod is connected with the side surface of the boosting block, the cutting table is provided with the positioning mechanism, a pipeline interface is arranged on the top surface of the positioning block and communicated with the second hydraulic cylinder, the positioning mechanism on the rear-projection cutting table can compress and position the rear-projection film, and the cutting precision is prevented from being influenced due to the deviation of the rear-projection film during cutting, and the cutting mechanism can drive the boosting block to move through the fourth piston rod under the action of the second hydraulic cylinders, so that the cutting mechanism is driven to move along the horizontal direction, the rear projection film is rapidly cut, and the two second hydraulic cylinders can work in a horizontal bar mode or in a parallel bar mode, so that the working efficiency of the whole cutting device is prevented from being influenced when one second hydraulic cylinder cannot work normally.
Further, cutting mechanism includes the boosting board, the third pneumatic cylinder, third piston rod and cage, connect the guide rail through the slider on the trailing flank of boosting board, through hanging board fixedly connected with third pneumatic cylinder on the leading flank of boosting board, the third piston rod moves down and connects on the third pneumatic cylinder, cage fixed connection is on the third piston rod, the bottom of third piston rod is provided with driving motor, the last cutting knife that is connected with of driving motor, the cutting knife is located the cage, the boosting board can be along guide rail horizontal slip, and control the cutting about driving the cutting knife, the third pneumatic cylinder can drive the cutting knife through the third piston rod and reciprocate, and then adjust the interval between cutting knife and the rear-projection membrane, the cage can play the effect of protection cutting knife, can prevent that the piece that produces from flying in disorder when the cutting simultaneously, produce certain potential safety hazard.
Further, positioning mechanism includes box and two parallel arrangement's stripper plate, box fixed connection is in the bottom of second backup pad, the stripper plate is located the top of cutting bed, the stripper plate is connected to in the box through two parallel arrangement's lifter, be provided with the rack on the side of lifter, be provided with third servo motor in the box, third servo motor has the transmission shaft through bevel gear group horizontally connected, the both ends symmetry of transmission shaft is provided with the gear, wheel and rack phase-match, be provided with locating component between stripper plate and the cutting bed, it is rotatory to drive the transmission shaft through third servo motor, and then drive the lifter through gear and rack and reciprocate, adjust the high position of stripper plate.
Furthermore, the positioning assembly comprises an upper positioning roller, a lower positioning roller and a baffle plate, the upper positioning roller is rotatably connected to the bottom surface of the extrusion plate, the lower positioning roller is rotatably connected to the top surface of the cutting table, the baffle plates are symmetrically distributed on the cutting table and are positioned on the left side and the right side of the lower positioning roller, the upper positioning roller and the lower positioning roller can limit the rear projection film up and down when the rear projection film is cut, the cutting effect is influenced, and the baffle plate can limit the rear projection film left and right.
The method for processing the rear projection film by using the intelligent podium rear projection film processing device is characterized by comprising the following steps of:
1) mixing of raw materials
a. Firstly, selecting PVC, a stabilizer, an auxiliary agent, a lubricant, a transparent modifier and a pigment according to the light transmission requirement of a rear projection film, wherein the mass ratio of the PVC, the organic stabilizer, the auxiliary agent, the lubricant, the transparent modifier and the pigment is (60-65): (0.4-0.6): (15-40): 0.2-0.5): 4-6): 4-5, wherein the PVC is polyvinyl chloride, the viscosity number of the polyvinyl chloride is 107-118 ml/g, the k value is 66-68, the polymerization degree is 1000-1100, the average polymerization temperature is 58 ℃, the auxiliary agent is one or a mixture of more than one of acrylate, acrylonitrile-butadiene-styrene, ethylene-vinyl acetate and methyl methacrylate, the plasticizer is a phosphate plasticizer, the stabilizer is an organic stabilizer, and the lubricant is PE wax;
b. then sequentially adding the raw materials into a mixing machine, uniformly stirring, controlling the temperature to be 50-125 ℃, and then putting the uniformly stirred raw materials into an extruder for extrusion;
2) rear projection film extrusion molding
a. Firstly, controlling the heights of a first extrusion mechanism and a second extrusion mechanism through first hydraulic cylinders on two sides of a second positioning plate according to the designed thickness dimension of the rear projection film, so that the distance between an upper extrusion roller on the first extrusion mechanism and a lower extrusion roller on the second extrusion mechanism is matched with the thickness of the rear projection film;
b. then starting a first servo motor and a second servo motor to enable the upper extrusion roller and the lower extrusion roller to rotate reversely, drawing the material extruded from the extruder onto an extrusion molding device for extrusion cooling and shaping, and controlling the rotation of the upper extrusion roller and the lower extrusion roller to be the same in the extrusion molding process;
c. guiding the formed rear projection film into a cutting device through an auxiliary carrier roller for cutting;
3) rear projection film cutting
a. Firstly, a rear-projection film manually penetrates through the bottom of a support plate and then penetrates out from a position between an extrusion plate and a cutting table to ensure that the rear-projection film is positioned between two baffles, and then a third servo motor drives a lifting rod to descend through a transmission shaft to ensure that an upper positioning roller at the bottom of the lifting rod is attached to the top surface of the rear-projection film;
b. then starting a driving motor to drive a cutting knife to rotate, and driving a cutting mechanism to horizontally move through a second hydraulic cylinder at regular time while moving the rear projection film at a constant speed so that the cutting knife cuts the rear projection film to form the required size of the rear projection film;
4) rear projection film post-processing
And (3) deburring the cut rear projection film, cleaning the surface of the rear projection film, inspecting the surface of the rear projection film, and loading the qualified rear projection film into a corresponding transport box.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. through the design of the extrusion molding device, the rear-projection film material can be directly extruded and molded according to the design size, so that the thickness of the extruded rear-projection film is matched with the design size, the processing precision of the rear-projection film is improved, and meanwhile, the transparency of the rear-projection film is improved, so that the intelligent platform is clearer during projection.
2. The design of the cutting device can rapidly cut the rear projection film and cut the rear projection film into a designed size, thereby improving the production efficiency of the rear projection film and meeting the requirement of flow line production.
3. The auxiliary carrier roller can tension the rear projection film, and prevents the rear projection film from being loosened between two processes of extrusion molding and cutting to influence the cutting processing precision of the rear projection film, thereby influencing the production efficiency of the whole production line.
4. The transmission shaft is driven to rotate through the third servo motor, and then the lifting rod is driven to move up and down through the gear and the rack, and the height position of the extrusion plate is adjusted.
5. The upper positioning roller and the lower positioning roller can limit the rear projection film up and down when the rear projection film is cut, so that the cutting effect is influenced, and the baffle can limit the rear projection film left and right.
6. The processing method of the rear projection film has simple steps, improves the extrusion molding efficiency of the rear projection film, improves the cutting processing precision of the rear projection film, meets the requirement of flow line production, and improves the production efficiency of the rear projection film.
Description of the drawings:
the invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a processing device in an intelligent platform rear-projection film processing device and method according to the present invention;
FIG. 2 is a schematic view of the extrusion molding apparatus according to the present invention;
FIG. 3 is a schematic view of a cutting device according to the present invention;
FIG. 4 is a schematic view of the connection between the second cylinder and the positioning block of the present invention;
FIG. 5 is a schematic structural view of a positioning mechanism according to the present invention;
fig. 6 is a schematic connection diagram of the third piston rod, the driving motor, the cutting knife and the isolation cover.
In the figure: 1-a bottom plate; 2-a rear projection film; 3-extrusion molding device; 4-a cutting device; 5-auxiliary carrier roller; 6-a first positioning plate; 7-a second positioning plate; 8-a first support plate; 9-upper squeeze roll; 10-lower squeeze roll; 11-a first piston rod; 12-a second piston rod; 13-a first lifting block; 14-a second lifting block; 15-a fixed frame; 16-a first hydraulic cylinder; 17-a first auxiliary block; 18-a second auxiliary block; 19-a first servomotor; 20-a second servo motor; 21-a first reducer; 22-a second reducer; 23-a second support plate; 24-a support plate; 25-positioning blocks; 26-a second hydraulic cylinder; 27-a guide rail; 28-a boosting plate; 29-a slide block; 30-a third hydraulic cylinder; 31-a third piston rod; 32-a shielding case; 33-a suspension plate; 34-a cutting table; 35-a box body; 36-a stripper plate; 37-a guide groove; 38-a boost block; 39-a fourth piston rod; 40-pipeline interface; 41-lifting rod; 42-upper registration rollers; 43-lower registration roller; 44-a third servo motor; 45-bevel gear set; 46-a drive shaft; 47-gear; 48-a rack; 49-baffles; 50-a drive motor; 51-a cutting knife.
Detailed Description
As shown in fig. 1 to 6, the processing device for a rear projection film of an intelligent platform of the present invention comprises a base plate 1, an extrusion molding device 3 and a cutting device 4, wherein the extrusion molding device 3 and the cutting device 4 are located on the top surface of the base plate 1, the extrusion molding device 3 comprises a first positioning plate 6, second locating plate 7, first extrusion mechanism and second extrusion mechanism, two first locating plates 6 are located the top surface both sides of second locating plate 7, two first locating plates 6 are through 8 fixed connection second locating plates 7 of first backup pad, first extrusion mechanism and second extrusion mechanism are located two first locating plates 6, first locating plate 6 can fix a position first extrusion mechanism and second extrusion mechanism, prevent to make rear-projection membrane 2's thickness inhomogeneous owing to rock at the extrusion moulding in-process, first backup pad 8 has improved stability and the reliability of being connected between first locating plate 6 and the second locating plate 7.
The first extrusion mechanism comprises an upper extrusion roller 9, a first servo motor 19, first piston rods 11 and a first hydraulic cylinder 16, two ends of the upper extrusion roller 9 are respectively connected with a first auxiliary block 17 and a first speed reducer 21, the first auxiliary block 17 and the first speed reducer 21 are both connected to the top end of the first piston rod 11 through a first lifting block 13, the first speed reducer 21 is connected with the first servo motor 19, the two first piston rods 11 are symmetrically distributed on one side of a second positioning plate 7, the bottom ends of the two first piston rods 11 are both connected with the first hydraulic cylinder 16, the first hydraulic cylinder 16 is fixedly connected to one side of the second positioning plate 7 through a fixing frame 15, the first piston rods 11 are driven to move up and down through the first hydraulic cylinder 16, further, the height position of the upper extrusion roller 9 is adjusted, the distance between the upper extrusion roller 9 and a lower extrusion roller 10 is adjusted, the first servo motor 19 drives the upper extrusion roller 9 to rotate through the first speed reducer 21, the extrusion processing of the rear projection film 2 is realized, and the two first hydraulic cylinders 16 and the first piston rods 11 on the same side improve the stability and reliability of the first extrusion mechanism during up-and-down movement.
The second extrusion mechanism comprises a lower extrusion roller 10, a second servo motor 20, a second piston rod 12 and a first hydraulic cylinder 16, the lower extrusion roller 10 is positioned below the upper extrusion roller 9, two ends of the lower extrusion roller 10 are respectively connected with a second auxiliary block 18 and a second speed reducer 22, the second auxiliary block 18 and the second speed reducer 22 are both connected with the top end of the second piston rod 12 through a second lifting block 14, the second speed reducer 22 is connected with the second servo motor 20, the two second piston rods 12 are symmetrically distributed on the other side of the second positioning plate 7, the bottom ends of the two second piston rods 12 are both connected with the first hydraulic cylinder 16, the first hydraulic cylinder 16 is fixedly connected with the other side of the second positioning plate 7 through a fixing frame 15, the second piston rods 12 are driven to move up and down through the first hydraulic cylinder 16, further, the height position of the lower extrusion roller 10 is adjusted, and the distance between the upper extrusion roller 9 and the lower extrusion roller 10 is adjusted, the second servo motor 20 drives the squeeze roller 10 to rotate through the second reducer 22, so as to realize the extrusion processing of the rear projection film 2, and the two first hydraulic cylinders 16 and the second piston rod 12 on the same side improve the stability and reliability of the second squeeze mechanism when moving up and down.
An auxiliary carrier roller 5 is arranged between the extrusion molding device 3 and the cutting device 4, the cutting device 4 comprises a second support plate 23, a support plate 24, a cutting table 34, a cutting mechanism and a positioning mechanism, the support plate 24 and the cutting table 34 are fixedly connected on the top surface of the second support plate 23, positioning blocks 25 are symmetrically arranged on one side of the support plate 24 close to the cutting table 34, guide rails 27 are symmetrically arranged between the two positioning blocks 25 from top to bottom, a guide groove 37 is formed between the two guide rails 27, a boosting block 38 is movably connected in the guide groove 37, the boosting block 38 is connected with the cutting mechanism, the two positioning blocks 25 are both connected with a second hydraulic cylinder 26, a fourth piston rod 39 is arranged in the second hydraulic cylinder 26, the end part of the fourth piston rod 39 is connected with the side surface of the boosting block 38, the cutting table 34 is provided with the positioning mechanism, a pipeline interface 40 is arranged on the top surface of the positioning block 25, and the pipeline interface 40 is communicated with the second hydraulic cylinder 26, the positioning mechanism on the cutting table 34 can compress and position the rear projection film 2, so as to prevent the cutting precision of the rear projection film 2 from being affected due to deviation during cutting, and further to cause deviation of the rear projection film 2, the cutting mechanism can drive the boosting block 38 to move through the fourth piston rod 39 under the action of the second hydraulic cylinders 26, and further drive the cutting mechanism to move along the horizontal direction, so as to realize quick cutting of the rear projection film 2, and the design of the two second hydraulic cylinders 26 can realize horizontal bar work or double bar simultaneous work, so as to prevent the working efficiency of the whole cutting device 4 from being affected when one second hydraulic cylinder 26 cannot normally work.
The cutting mechanism comprises a boosting plate 28, a third hydraulic cylinder 30, a third piston rod 31 and a separation cover 32, the rear side surface of the boosting plate 28 is connected with a guide rail 27 through a slide block 29, the front side surface of the boosting plate 28 is fixedly connected with the third hydraulic cylinder 30 through a suspension plate 33, the third piston rod 31 is connected onto the third hydraulic cylinder 30 in a downward moving mode, the separation cover 32 is fixedly connected onto the third piston rod 31, the bottom end of the third piston rod 31 is provided with a driving motor 50, the driving motor 50 is connected with a cutting knife 51, the cutting knife 51 is positioned in the separation cover 32, the boosting plate 28 can slide left and right along the guide rail 27 and drive the cutting knife 51 to move left and right for cutting, the third hydraulic cylinder 30 can drive the cutting knife 51 to move up and down through the third piston rod 31 so as to adjust the distance between the cutting knife 51 and the rear projection film 2, the separation cover 32 can play a role of protecting the cutting knife 51 and can prevent chips generated during cutting from flying randomly, certain potential safety hazards are generated.
The rear projection film 2 sequentially passes through the extrusion molding device 3, the auxiliary carrier roller 5 and the cutting device 4, the positioning mechanism comprises a box body 35 and two extrusion plates 36 which are arranged in parallel, the box body 35 is fixedly connected to the bottom of the second supporting plate 23, the extrusion plates 36 are positioned above the cutting table 34, the extrusion plates 36 are connected into the box body 35 through two lifting rods 41 which are arranged in parallel, racks 48 are arranged on the side surfaces of the lifting rods 41, a third servo motor 44 is arranged in the box body 35, the third servo motor 44 is horizontally connected with a transmission shaft 46 through a bevel gear 47 group 45, gears 47 are symmetrically arranged at two ends of the transmission shaft 46, the gears 47 are matched with the racks 48, a positioning assembly is arranged between the extrusion plates 36 and the cutting table 34, the transmission shaft 46 is driven to rotate through the third servo motor 44, the lifting rods 41 are driven to move up and down through the gears 47 and the racks 48, and the height position of the extrusion plates 36 is adjusted, the positioning assembly comprises an upper positioning roller 42, a lower positioning roller 43 and a baffle plate 49, the upper positioning roller 42 is rotatably connected to the bottom surface of the extrusion plate 36, the lower positioning roller 43 is rotatably connected to the top surface of the cutting table 34, the baffle plates 49 are symmetrically distributed on the cutting table 34 and located on the left side and the right side of the lower positioning roller 43, the upper positioning roller 42 and the lower positioning roller 43 can limit the rear projection film 2 up and down when the rear projection film 2 is cut, the cutting effect is affected, and the baffle plates 49 can limit the rear projection film 2 left and right. (ii) a Through the design of the extrusion molding device 3, the material of the rear projection film 2 can be directly extruded and molded according to the design size, the thickness of the extruded rear projection film 2 is matched with the design size, the processing precision of the rear projection film 2 is improved, meanwhile, the transparency of the rear projection film 2 is improved, the intelligent platform can be more clearly projected, the rear projection film 2 can be rapidly cut through the design of the cutting device 4, the rear projection film 2 is cut into the design size, the production efficiency of the rear projection film 2 is improved, the production line can be met, the auxiliary carrier roller 5 can tension the rear projection film 2, the situation that the cutting processing precision of the rear projection film 2 is influenced due to the fact that the rear projection film 2 is loosened between the two processes of extrusion molding and cutting is prevented, and further the production efficiency of the whole production line is influenced.
The method for processing the rear projection film 2 by using the processing device for the intelligent platform rear projection film 2 comprises the following steps:
1) mixing of raw materials
a. Firstly, selecting PVC, a stabilizer, an auxiliary agent, a lubricant, a transparent modifier and a pigment according to the light transmission requirement of a rear projection film 2, wherein the mass ratio of the PVC, the organic stabilizer, the auxiliary agent, the lubricant, the transparent modifier and the pigment is (60-65): (0.4-0.6): (15-40): 0.2-0.5): 4-6): 4-5, wherein the PVC is polyvinyl chloride, the viscosity number of the polyvinyl chloride is 107-118 ml/g, the k value is 66-68, the polymerization degree is 1000-1100, the average polymerization temperature is 58 ℃, the auxiliary agent is one or a mixture of more than one of acrylate, acrylonitrile-butadiene-styrene, ethylene-vinyl acetate and methyl methacrylate, the plasticizer is a phosphate ester plasticizer, the stabilizer is an organic stabilizer, and the lubricant is PE wax;
b. then sequentially adding the raw materials into a mixing machine, uniformly stirring, controlling the temperature to be 50-125 ℃, and then putting the uniformly stirred raw materials into an extruder for extrusion;
2) rear projection film extrusion molding
a. Firstly, controlling the heights of a first squeezing mechanism and a second squeezing mechanism through first hydraulic cylinders 16 on two sides of a second positioning plate 7 according to the designed thickness dimension of the rear projection film 2, so that the distance between an upper squeezing roller 9 on the first squeezing mechanism and a lower squeezing roller 10 on the second squeezing mechanism is matched with the thickness of the rear projection film 2;
b. then starting a first servo motor 19 and a second servo motor 20 to enable the upper extrusion roller 9 and the lower extrusion roller 10 to rotate reversely, drawing the material extruded from the extruder onto the extrusion molding device 3 for extrusion cooling and shaping, and controlling the rotation of the upper extrusion roller 9 and the rotation of the lower extrusion roller 10 to be the same in the extrusion molding process;
c. then guiding the formed rear projection film 2 into a cutting device 4 through an auxiliary carrier roller 5 for cutting;
3) rear projection film cutting
a. Firstly, the rear projection film 2 is manually penetrated through the bottom of the support plate 24 and then penetrates out from between the extrusion plate 36 and the cutting table 34 to ensure that the rear projection film 2 is positioned between the two baffle plates 49, and then the lifting rod 41 is driven to descend by the third servo motor 44 through the transmission shaft 46, so that the upper positioning roller 42 at the bottom of the lifting rod 41 is attached to the top surface of the rear projection film 2;
b. then starting a driving motor 50 to drive a cutting knife 51 to rotate, and driving a cutting mechanism to horizontally move through a second hydraulic cylinder 26 at regular time while moving the rear projection film 2 at a constant speed, so that the cutting knife 51 cuts the rear projection film 2 to form the required size of the rear projection film 2;
4) rear projection film post-processing
And (3) carrying out deburring treatment on the cut rear projection film 2, cleaning the surface of the rear projection film 2, then inspecting the surface of the rear projection film 2, and loading the qualified rear projection film 2 into a corresponding transport box.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.
Claims (4)
1. The utility model provides an intelligence podium rear-projection membrane processingequipment which characterized in that: the rear projection film forming device comprises a bottom plate, an extrusion forming device and a cutting device, wherein the extrusion forming device and the cutting device are positioned on the top surface of the bottom plate, an auxiliary carrier roller is arranged between the extrusion forming device and the cutting device, and a rear projection film sequentially penetrates through the extrusion forming device, the auxiliary carrier roller and the cutting device; the cutting device comprises a second supporting plate, a cutting table, a cutting mechanism and a positioning mechanism, wherein the supporting plate and the cutting table are fixedly connected onto the top surface of the second supporting plate, positioning blocks are symmetrically arranged on one side, close to the cutting table, of the supporting plate, guide rails are symmetrically arranged between the two positioning blocks from top to bottom, a guide groove is formed between the two guide rails, a boosting block is movably connected in the guide groove and connected with the cutting mechanism, a second hydraulic cylinder is connected onto the two positioning blocks, a fourth piston rod is arranged in the second hydraulic cylinder, the end part of the fourth piston rod is connected with the side surface of the boosting block, the positioning mechanism is arranged on the cutting table, a pipeline interface is arranged on the top surface of each positioning block, and the pipeline interface is communicated with the second hydraulic cylinder; the cutting mechanism comprises a boosting plate, a third hydraulic cylinder, a third piston rod and an isolation cover, the rear side surface of the boosting plate is connected with the guide rail through a sliding block, the front side surface of the boosting plate is fixedly connected with the third hydraulic cylinder through a suspension plate, the third piston rod is connected onto the third hydraulic cylinder in a downward moving mode, the isolation cover is fixedly connected onto the third piston rod, the bottom end of the third piston rod is provided with a driving motor, the driving motor is connected with a cutting knife, and the cutting knife is located in the isolation cover; the positioning mechanism comprises a box body and two parallel extrusion plates, the box body is fixedly connected to the bottom of the second supporting plate, the extrusion plates are located above the cutting table, the extrusion plates are connected into the box body through two parallel lifting rods, racks are arranged on the side faces of the lifting rods, a third servo motor is arranged in the box body, the third servo motor is horizontally connected with a transmission shaft through a bevel gear set, gears are symmetrically arranged at two ends of the transmission shaft, the gears are matched with the racks, and a positioning assembly is arranged between the extrusion plates and the cutting table; the locating component comprises an upper locating roller, a lower locating roller and a baffle, the upper locating roller is rotatably connected to the bottom surface of the extrusion plate, the lower locating roller is rotatably connected to the top surface of the cutting table, and the baffle is symmetrically distributed on the cutting table and located on the left side and the right side of the lower locating roller.
2. The intelligent podium rear-projection film processing device of claim 1, characterized in that: the extrusion molding device comprises a first positioning plate, a second positioning plate, a first extruding mechanism and a second extruding mechanism, wherein the first positioning plate is positioned on two sides of the top surface of the second positioning plate, the first positioning plate is fixedly connected with the second positioning plate through a first supporting plate, and the first extruding mechanism and the second extruding mechanism are positioned on the first positioning plate.
3. The intelligent podium rear-projection film processing device of claim 2, characterized in that: first extrusion mechanism includes squeeze roll, first servo motor, first piston rod and first pneumatic cylinder, the both ends of going up the squeeze roll are connected with first auxiliary block and first reduction gear respectively, first auxiliary block with first reduction gear all connects through first lifting block the top of first piston rod, be connected with on the first reduction gear first servo motor, two first piston rod symmetric distribution is in one side of second locating plate, two the bottom of first piston rod all connects first pneumatic cylinder, first pneumatic cylinder passes through mount fixed connection and is in one side of second locating plate.
4. The intelligent podium rear-projection film processing device of claim 3, characterized in that: the second extrusion mechanism comprises a lower extrusion roller, a second servo motor, a second piston rod and a first hydraulic cylinder, the lower extrusion roller is located below the upper extrusion roller, two ends of the lower extrusion roller are respectively connected with a second auxiliary block and a second speed reducer, the second auxiliary block and the second speed reducer are connected to the top end of the second piston rod through a second lifting block, the second speed reducer is connected with the second servo motor, the second piston rod and the second speed reducer, the second piston rod and the second piston rod are symmetrically distributed on the other side of the second positioning plate and the other side of the second positioning plate, the bottom end of the second piston rod is connected with the first hydraulic cylinder, and the first hydraulic cylinder is connected to the other side of the second positioning plate through a fixing frame.
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| CN201810888948.3A CN109080100B (en) | 2018-08-07 | 2018-08-07 | Intelligent platform rear-projection film processing device and method |
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| CN201810888948.3A CN109080100B (en) | 2018-08-07 | 2018-08-07 | Intelligent platform rear-projection film processing device and method |
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| CN109080100A CN109080100A (en) | 2018-12-25 |
| CN109080100B true CN109080100B (en) | 2021-12-03 |
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| CN110142825A (en) * | 2019-05-24 | 2019-08-20 | 嘉兴贵复贸易有限公司 | A kind of LED light source substrate |
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