A fully automatic film printing equipment

Abstract

The present invention discloses a fully automatic film pasting and printing equipment, including a turntable positioning device, a product feeding device for placing plastic products arranged in sequence around the turntable positioning device, a first film pasting device for pasting a protective film on the front of the product, a second film pasting device for pasting a protective film on the back of the product, and a material blanking and pad printing detection device for printing, wherein a tunnel oven is provided at the side end of the material blanking and pad printing detection device, and the turntable positioning device includes a rotating disk driven to rotate by a power element and four groups of flip positioning jigs installed at equal angles on the rotating disk. In the above manner, the present invention can automatically load and unload materials, apply films on both sides of plastic products, print products, and detect material blanking.

Description

Technical Field

[0001] The invention relates to the field of mechanical technology, and in particular to a full-automatic film-sticking and printing device. Background Art

[0002] After plastic products are injection molded, films need to be applied on both sides. After the film is applied, printing needs to be performed on the surface. Currently, film application is mostly done manually, and the efficiency of manual film application is low. It is difficult to ensure the accuracy of the film application position and the efficiency of film application. After the film is applied, the product needs to be placed on a pad printer for printing, and then the product is taken out for testing. There are many steps involved, and the overall production efficiency is low. Based on the above defects and shortcomings, it is necessary to improve the existing technology and design a fully automatic film application and printing equipment. Summary of the invention

[0003] The main technical problem solved by the present invention is to provide a fully automatic film pasting and printing equipment, which can automatically load and unload materials, paste films on both sides of plastic products, print products and detect the unloading of materials.

[0004] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a fully automatic film pasting and printing equipment, which includes a turntable positioning device, a product feeding device for placing plastic products arranged in sequence around the turntable positioning device, a first film pasting device for pasting a protective film on the front of the product, a second film pasting device for pasting a protective film on the back of the product, and a material blanking and pad printing detection device for printing, wherein a tunnel oven is arranged at the side end of the material blanking and pad printing detection device, and the turntable positioning device includes a rotating disk driven by a power element and four sets of flip positioning jigs installed on the rotating disk at equal angles;

[0005] The flip positioning fixture includes a rotating shaft, a vertical plate, a flip cylinder, a liner positioning block, a suction cup, a positioning plug-in assembly, a fixed block, a limit column and a limit block. The rotating shaft is rotatably mounted on the vertical plate through a bearing seat, and the rotating shaft is driven to rotate by the flip cylinder. The flip cylinder is installed on the rotating disk through a cylinder mounting plate. Liner positioning blocks for suiting and positioning products are installed on both sides of the rotating shaft. A suction cup for adsorbing products is embedded in the liner positioning block. A positioning plug-in assembly for plugging products is installed on the rotating disk outside the liner positioning block. A fixed block is installed at the outer end of the vertical plate, two limit columns are installed on the fixed block, and a limit block cooperating with the limit columns is installed on the rotating shaft.

[0006] Preferably, the positioning and insertion assembly includes a slide cylinder, a lifting cylinder driven by the slide cylinder to move toward the liner positioning block, a double-station contour positioning block driven by the lifting cylinder to move up and down, and a vacuum suction cup embedded in the contour positioning block.

[0007] Preferably, the first film laminating device includes a film laminating frame, a protective film feeding assembly installed on the film laminating frame with a double station, a film laminating robot, and a camera module for detecting the protective film. The protective film feeding assembly includes a feeding plate and a feeding roller, a guide roller, a peeling plate, a material receiving platform, a recovery roller, and a material belt tensioning module installed on the feeding plate. A protective film roll is installed on the feeding roller. The material belt on the protective film roll passes through the guide roller and enters the peeling plate. The protective film is peeled off by the peeling plate. A material receiving platform is provided at the material outlet of the peeling plate. After peeling by the peeling plate, the base paper of the material belt is rolled up by the recovery roller. The recovery roller is driven by a servo motor to retract the material. A material belt tensioning module is provided below the base paper of the material belt.

[0008] Preferably, the material belt tensioning module includes a fixed frame, a movable frame, a tensioning wheel, equal-height screws and a buffer spring. The fixed frame is installed on the feed plate, and the movable frame is slidably installed on the vertical plate of the fixed frame through a linear slide rail. A tensioning wheel is mounted above the movable frame, and the equal-height screws pass through the horizontal plate of the fixed frame and are locked to the movable frame. The bottom of the movable frame and the horizontal plate of the fixed frame are elastically connected by a buffer spring.

[0009] Preferably, the film-sticking robot includes a four-axis robot, a loading and transferring rack driven by the four-axis robot, a film-sticking cylinder installed on the loading and transferring rack, and an adsorption block driven up and down by the film-sticking cylinder, the adsorption block is provided with a plurality of adsorption holes for adsorbing the protective film, the adsorption block is provided with an adsorption cavity communicated with the adsorption holes, and the adsorption cavity is externally connected to a negative pressure device through a joint.

[0010] Preferably, the blanking and pad printing detection device includes a blanking frame, a blanking robot, a printing positioning component, a pad printer, a blanking and transporting component and a CCD detection module. The blanking frame is equipped with a blanking robot, which grabs the product at the flip positioning fixture and places it on the printing positioning component. The pad printer is docked on the side end of the printing positioning component, the blanking and transporting component is installed on the transfer plate of the printing positioning component, and the CCD detection module is arranged on the side end of the blanking and transporting component; the blanking robot includes a four-axis blanking robot, a blanking and transfer frame driven by the four-axis blanking robot, two X-axis cylinders installed on the blanking and transfer frame, an X-axis transfer plate driven horizontally by the X-axis cylinder, two Y-axis clamping cylinders installed on the X-axis transfer plate, and product clamps installed on the two clamping arms of the Y-axis clamping cylinder.

[0011] Preferably, the printing positioning assembly includes a servo linear module, a transfer plate driven to move by the servo linear module, and a product positioning platform mounted on the transfer plate.

[0012] Preferably, the material unloading and handling assembly includes a transverse moving bracket, a pushing cylinder, a lifting cylinder, a lifting bracket, a transverse moving cylinder, a transverse moving push plate, a two-way clamping cylinder and a material unloading clamp. The transverse moving bracket is slidably installed on the transfer plate through a linear slide rail, and a pushing cylinder for driving the transverse moving bracket to move is installed on the transfer plate. A lifting cylinder is installed on the transverse moving bracket, and the lifting cylinder drives the lifting bracket to move up and down. Two transverse moving cylinders are installed on the horizontal plate of the lifting bracket, and the transverse moving cylinder drives the transverse moving push plate to move. Two two-way clamping cylinders are installed at the lower end of the transverse moving push plate, and the material unloading clamps are installed on the two clamping arms of the two-way clamping cylinder.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The product feeding device automatically feeds;

[0015] The turntable positioning device drives the flip positioning fixture to rotate, matching the loading, film laminating and printing unloading stations. The flip positioning fixture positions the plastic product and drives it to flip 180° so that the front and back sides of the plastic product can be film laminating.

[0016] The film sticking device automatically peels off the protective film and sticks it to the product surface. The material belt tensioning module can adjust the material tension by itself to facilitate stripping.

[0017] The pad printing detection device can automatically print and detect products, and automatically unload and transport them to the tunnel oven. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a top view of a fully automatic film printing device.

[0019] Figure 2 The figure is a schematic diagram of the flip positioning fixture structure of a fully automatic film printing equipment.

[0020] Figure 3 It is a partial structural schematic diagram of the first film pasting device of a fully automatic film pasting printing equipment.

[0021] Figure 4 It is a schematic diagram of the partial structure of the first film pasting device of a fully automatic film pasting printing equipment.

[0022] Figure 5 The present invention is a structural schematic diagram of a material unloading pad printing detection device for a fully automatic film printing equipment.

[0023] Figure 6 The figure is a schematic diagram of the structure of a material unloading robot for a fully automatic film printing device.

[0024] Figure 7 The present invention is a schematic diagram of the structure of a material unloading and handling component of a fully automatic film printing device.

[0025] Among them, 1. turntable positioning device, 11. rotating disk, 12. flip positioning fixture, 121. rotating shaft, 122. vertical plate, 123. flip cylinder, 124. lining positioning block, 125. suction cup, 126. positioning plug-in assembly, 1261. slide cylinder, 1262. lifting cylinder, 1263. contour positioning block, 1264. vacuum suction cup, 127. fixing block, 128. limiting column, 129. limiting block;

[0026] 2. Product feeding device, 21. Feeding rack, 22. Product tray, 23. Four-axis loading manipulator, 24. Positioning bin;

[0027] 3. First film laminating device, 31. Film laminating frame, 32. Protective film feeding assembly 321. Feeding plate, 322. Feeding roller, 323. Guide roller, 324. Stripping plate, 325. Material receiving platform, 326. Material belt tensioning module, 3261. Fixed frame, 3262. Movable frame, 3263. Tensioning wheel, 3264. Equal height screw, 3265. Buffer spring, 33. Film laminating manipulator, 331. Four-axis manipulator, 332. Loading and transferring rack, 333. Film laminating cylinder, 334. Adsorption block, 34. Camera module;

[0028] 4. Second film sticking device;

[0029] 5. Unloading pad printing detection device, 51. Unloading rack, 52. Unloading manipulator, 521. Four-axis unloading manipulator, 522. Unloading transfer rack, 523. X-axis cylinder, 524. X-axis transfer plate, 525. Y-axis clamping cylinder, 526. Product clamping claw, 53. Printing positioning component, 531. Servo linear module, 532. Transfer plate, 533. Product positioning platform, 54. Pad printer, 55. Unloading and handling component, 551. Transverse moving bracket, 552. Pushing cylinder, 553. Lifting cylinder, 554. Lifting bracket, 555. Transverse moving cylinder, 556. Transverse pushing plate, 557. Bidirectional clamping cylinder, 558. Unloading clamping claw, 56. CCD detection module;

[0030] 6. Tunnel oven. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0032] See also Figures 1 to 7 , the embodiment of the present invention includes:

[0033] A fully automatic film pasting and printing equipment, the fully automatic film pasting and printing equipment comprises a turntable positioning device 1, a product feeding device 2, a first film pasting device 3, a second film pasting device 4, a blanking pad printing detection device 5 and a tunnel oven 6, the turntable positioning device 1 comprises a rotating disk 11 driven to rotate by a power element and four sets of flip positioning fixtures 12 installed on the rotating disk at equal angles, around the rotating disk 11 are arranged in sequence a product feeding device 2 for placing plastic products, a first film pasting device 3 for attaching a protective film on the front side of the product, a second film pasting device 4 for attaching a protective film on the back side of the product and a blanking pad printing detection device 5 for printing, a tunnel oven 6 is arranged at the side end of the blanking pad printing detection device 5, and safety fences are arranged around the first film pasting device 3, the second film pasting device 4, the blanking pad printing detection device 5 and the tunnel oven 6.

[0034] The flip positioning fixture 12 includes a rotating shaft 121, a vertical plate 122, a flip cylinder 123, a liner positioning block 124, a suction cup 125, a positioning plug-in assembly 126, a fixing block 127, a limiting column 128 and a limiting block 129. The rotating shaft 121 is rotatably mounted on the vertical plate 122 through a bearing seat, and the vertical plate 122 is fixed on the rotating disk 11. The rotating shaft 121 is driven to rotate by the flip cylinder 123, and the flip cylinder 123 is installed on the rotating disk 11 through a cylinder mounting plate. 1, lining positioning blocks 124 for positioning the product are installed on both sides of the rotating shaft 121, and a suction cup 125 for adsorbing the product is embedded in the lining positioning block 124. A positioning and plug-in assembly 126 for plugging the product is installed on the rotating disk 11 outside the lining positioning block 124, a fixing block 127 is installed at the outer end of the vertical plate 122, two limiting columns 128 are installed on the fixing block 127, and a limiting block 129 cooperating with the limiting column 128 is installed on the rotating shaft 121.

[0035] The positioning and insertion assembly 126 includes a sliding cylinder 1261, a lifting cylinder 1262 driven by the sliding cylinder 1261 to move toward the liner positioning block 124, a double-station contour positioning block 1263 driven by the lifting cylinder 1262 to move up and down, and a vacuum suction cup 1264 embedded in the contour positioning block 1263.

[0036] The product feeding device 2 includes a feeding frame 21, a product tray 22 with double stations stacked on the feeding frame 21, and a four-axis loading robot 23 for adsorbing and transporting products. The feeding frame 21 is also provided with a positioning bin 24 for placing empty trays.

[0037] The first film laminating device 3 includes a film laminating frame 31, a protective film feeding assembly 32 and a film laminating robot 33 installed on the film laminating frame 31 at a double station, and a camera module 34 for detecting the protective film. The protective film feeding assembly 32 includes a feeding plate 321 and a feeding roller 322, a guide roller 323, a peeling plate 324, a receiving platform 325, a recovery roller, and a material belt tensioning module 326 installed on the feeding plate 321. The protective film roll, the upper material belt of the protective film roll passes through the guide roller 323 and enters the stripping plate 324, the protective film is stripped by the stripping plate 324, and a receiving platform 325 is arranged at the material outlet of the stripping plate 324. After being stripped by the stripping plate 324, the bottom paper of the material belt is rolled up by a recovery roller (not shown in the figure), and the recovery roller is driven by a servo motor to rewind the material. A material belt tensioning module 326 is arranged below the bottom paper of the material belt, and the material belt tensioning module 326 includes a fixed frame 3261, a movable frame 3262, The tension wheel 3263, the equal height screws 3264 and the buffer spring 3265, the fixed frame 3261 is installed on the feed plate 321, the movable frame 3262 is slidably installed on the vertical plate of the fixed frame 3261 through a linear slide rail, the tension wheel 3263 is mounted on the top of the movable frame 3262, the equal height screws 3264 pass through the horizontal plate of the fixed frame 3261 and are locked to the movable frame 3262, and the bottom of the movable frame 3262 and the horizontal plate of the fixed frame 3261 are connected by a buffer spring 3265 elastic connection; the film sticking robot 33 includes a four-axis robot 331, a loading and transferring rack 332 driven by the four-axis robot 331, a film sticking cylinder 333 installed on the loading and transferring rack 332, and an adsorption block 334 driven up and down by the film sticking cylinder 333, the adsorption block 334 is provided with a plurality of adsorption holes for adsorbing the protective film, the adsorption block 334 is internally provided with an adsorption cavity communicated with the adsorption holes, and the adsorption cavity is externally connected to a negative pressure device through a joint.

[0038] The material unloading and pad printing detection device 5 includes a material unloading frame 51, a material unloading manipulator 52, a printing positioning component 53, a pad printer 54, a material unloading and transporting component 55 and a CCD detection module 56. The material unloading frame 51 is equipped with a material unloading manipulator 52, and the material unloading manipulator 52 grabs the product at the flip positioning fixture 12 and places it on the printing positioning component 53. The side end of the printing positioning component 53 is docked with the pad printer 54, and the material unloading and transporting component 55 is installed on the transfer plate of the printing positioning component 53. A CCD detection module 56 is provided at the side end of the conveying component 55; the unloading robot 52 includes a four-axis unloading robot 521, a unloading transfer frame 522 driven by the four-axis unloading robot 521, two X-axis cylinders 523 installed on the unloading transfer frame 522, an X-axis transfer plate 524 driven horizontally by the X-axis cylinders 523, two Y-axis clamping cylinders 525 installed on the X-axis transfer plate 524, and a product clamping claw 526 installed on the two clamping arms of the Y-axis clamping claw cylinder 525.

[0039] The printing positioning assembly 53 includes a servo linear module 531 , a transfer plate 532 driven by the servo linear module 531 , and a product positioning platform 533 mounted on the transfer plate 532 .

[0040] The material unloading and handling assembly 55 includes a transverse moving bracket 551, a pushing cylinder 552, a lifting cylinder 553, a lifting bracket 554, a transverse moving cylinder 555, a transverse moving push plate 556, a bidirectional clamping cylinder 557 and a material unloading clamp 558. The transverse moving bracket 551 is slidably installed on the transfer plate 532 through a linear slide rail. The transfer plate 532 is installed with a pushing cylinder 552 that drives the transverse moving bracket 551 to move. The transverse moving bracket 551 is installed with a lifting cylinder 553. The lifting cylinder 553 drives the lifting bracket 554 to move up and down. Two transverse moving cylinders 555 are installed on the horizontal plate of the lifting bracket 554. The transverse moving cylinder 555 drives the transverse moving push plate 556 to move. Two bidirectional clamping cylinders 557 are installed at the lower end of the transverse moving push plate 556. The material unloading clamp 558 is installed on the two clamping arms of the bidirectional clamping cylinder 557.

[0041] When the fully automatic film pasting printing equipment of the present invention is working, the four-axis loading robot 23 grabs the plastic product in the product tray 22 and places it on the contour positioning block 1263 of the flip positioning fixture 12, the vacuum suction cup 1264 absorbs the plastic product under negative pressure, the slide cylinder 1261 drives the contour positioning block 1263 to move toward the lining positioning block 124, the plastic product is inserted into the lining positioning block 124, the suction cup 125 absorbs the plastic product under negative pressure, the rotating disk 11 rotates to drive the flip positioning fixture 12 to the first film pasting device 3, the film pasting frame 31 peels off the protective film and places it on the material receiving platform 325, the film pasting robot 33 absorbs the protective film and attaches it to the plastic product, and the flip positioning fixture 12 rotates to the second film pasting device 4 with the rotating disk 11. The flip cylinder 123 drives the rotating shaft 121 to rotate, and the inner lining positioning block 124 on the rotating shaft 121 drives the plastic product to flip 180°, and the second film sticking device 4 adsorbs the protective film and sticks it to the back of the plastic product; the flip positioning fixture 12 rotates with the rotating disk 11 to the unloading pad printing detection device 5, and the unloading robot 52 grabs the product and places it at the printing positioning component 53 for positioning, and the servo linear module 531 drives the product positioning platform 533 to move to the pad printer 54, and the pad printer 54 prints the plastic product. After printing is completed, the unloading and conveying component 55 grabs and conveys the printed plastic product to the CCD detection module 56. The CCD detection module 56 detects the film sticking and printing, and the unloading and conveying component 55 transports the inspected product to the tunnel oven 6 for baking.

[0042] The invention discloses a fully automatic film pasting and printing device, which can automatically load and unload materials, paste films on the front and back sides of plastic products, print products and detect the unloading of materials.

[0043] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A fully automatic film printing device, characterized in that: It includes a turntable positioning device, a product feeding device for placing plastic products, a first film sticking device for sticking a protective film on the front of the product, a second film sticking device for sticking a protective film on the back of the product, and a pad printing detection device for printing, the side end of the pad printing detection device is docked with a tunnel oven, and the turntable positioning device includes a rotating disk driven by a power element and four sets of flip positioning jigs installed on the rotating disk at equal angles; The flip positioning fixture includes a rotating shaft, a vertical plate, a flip cylinder, a liner positioning block, a suction cup, a positioning plug-in assembly, a fixed block, a limit column and a limit block. The rotating shaft is rotatably mounted on the vertical plate through a bearing seat, and the rotating shaft is driven to rotate by the flip cylinder. The flip cylinder is installed on the rotating disk through a cylinder mounting plate. Liner positioning blocks for suiting and positioning products are installed on both sides of the rotating shaft. A suction cup for adsorbing products is embedded in the liner positioning block. A positioning plug-in assembly for plugging products is installed on the rotating disk outside the liner positioning block. A fixed block is installed at the outer end of the vertical plate, two limit columns are installed on the fixed block, and a limit block cooperating with the limit columns is installed on the rotating shaft.

2. The fully automatic film printing equipment according to claim 1 is characterized in that: The positioning and inserting assembly comprises a slide cylinder, a lifting cylinder driven by the slide cylinder to move toward the liner positioning block, a double-station contour positioning block driven by the lifting cylinder to move up and down, and a vacuum suction cup embedded in the contour positioning block.

3. The fully automatic film printing equipment according to claim 1 is characterized in that: The first film laminating device includes a film laminating frame, a protective film feeding assembly installed on the film laminating frame with a double station, a film laminating robot, and a camera module for detecting the protective film. The protective film feeding assembly includes a feeding plate and a feeding roller, a guide roller, a peeling plate, a material receiving platform, a recovery roller, and a material belt tensioning module installed on the feeding plate. A protective film roll is installed on the feeding roller. The material belt on the protective film roll passes through the guide roller and enters the peeling plate. The protective film is peeled off by the peeling plate. A material receiving platform is provided at the material outlet of the peeling plate. After being peeled off by the peeling plate, the base paper of the material belt is rolled up by the recovery roller. The recovery roller is driven by a servo motor to retract the material. A material belt tensioning module is provided below the base paper of the material belt.

4. The fully automatic film printing equipment according to claim 3 is characterized in that: The material belt tensioning module includes a fixed frame, a movable frame, a tensioning wheel, equal-height screws and a buffer spring. The fixed frame is installed on the feed plate, and the movable frame is slidably installed on the vertical plate of the fixed frame through a linear slide rail. A tensioning wheel is mounted above the movable frame, and the equal-height screws pass through the horizontal plate of the fixed frame and are locked to the movable frame. The bottom of the movable frame and the horizontal plate of the fixed frame are elastically connected by a buffer spring.

5. The fully automatic film printing equipment according to claim 3 is characterized in that: The film sticking robot includes a four-axis robot, a loading and transferring rack driven by the four-axis robot, a film sticking cylinder installed on the loading and transferring rack, and an adsorption block driven up and down by the film sticking cylinder. The adsorption block is provided with a plurality of adsorption holes for adsorbing the protective film. The adsorption block is provided with an adsorption cavity communicated with the adsorption holes. The adsorption cavity is externally connected to a negative pressure device through a joint.

6. The fully automatic film printing equipment according to claim 1 is characterized in that: The described unloading and pad printing detection device comprises an unloading frame, an unloading robot, a printing positioning component, a pad printer, an unloading and transporting component and a CCD detection module. The unloading frame is equipped with an unloading robot, which grabs the product at the flip positioning fixture and places it on the printing positioning component. The side end of the printing positioning component is docked with the pad printer, the unloading and transporting component is installed on the transfer plate of the printing positioning component, and the side end of the unloading and transporting component is equipped with a CCD detection module; the unloading robot comprises a four-axis unloading robot, an unloading and transfer frame driven by the four-axis unloading robot, two X-axis cylinders installed on the unloading and transfer frame, an X-axis transfer plate driven horizontally by the X-axis cylinder, two Y-axis clamping cylinders installed on the X-axis transfer plate, and product clamps installed on the two clamping arms of the Y-axis clamping cylinder.

7. The fully automatic film printing equipment according to claim 6 is characterized in that: The printing positioning assembly comprises a servo linear module, a transfer plate driven to move by the servo linear module, and a product positioning platform mounted on the transfer plate.

8. The fully automatic film printing equipment according to claim 6 is characterized in that: The material unloading and handling assembly includes a transverse moving bracket, a pushing cylinder, a lifting cylinder, a lifting bracket, a transverse moving cylinder, a transverse moving push plate, a two-way clamping cylinder and a material unloading clamp. The transverse moving bracket is slidably installed on the transfer plate through a linear slide rail. The transfer plate is equipped with a pushing cylinder for driving the transverse moving bracket to move. The transverse moving bracket is equipped with a lifting cylinder. The lifting cylinder drives the lifting bracket to move up and down. Two transverse moving cylinders are installed on the horizontal plate of the lifting bracket. The transverse moving cylinder drives the transverse moving push plate to move. Two two-way clamping cylinders are installed at the lower end of the transverse moving push plate. The material unloading clamps are installed on the two clamping arms of the two-way clamping cylinder.

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