Automatic loading and unloading device for sheet metal forming press

Abstract

The present invention discloses an automatic loading and unloading device for a thin plate forming press, which includes a loading device and a unloading device connected to the thin plate forming press through a positioning block, the unloading device and the loading device are symmetrically arranged, and the loading device includes a bearing platform and a roller frame. Two rolls of plastic film are respectively wound on the film rolling electric roller and the driven damping film roller on the upper and lower sides to become the coating film of the thin plate to be processed, and the two rolls of plastic film pass through the coating electric roller and the film stripping electric roller. The present invention realizes the mechanical automatic loading and unloading operation of the plate through the suction cup telescopic electric slide, the loading electric roller, the unpowered roller, the coating electric roller, the film stripping electric roller and the unloading electric roller; at the same time, the mechanical automatic coating and stripping operation of the plastic film on the upper and lower surfaces of the plate is realized through the driven damping film roller, the coating electric roller, the film rolling electric roller and the film stripping electric roller; the present invention can carry out the loading work while unloading, and the work efficiency is high.

Description

Technical Field

[0001] The invention relates to the technical field of heat exchange equipment production, in particular to an automatic loading and unloading device for a thin plate forming press. Background Art

[0002] As the main component of the plate heat exchanger, the heat exchange plate is formed by one-time stamping using the pressure forming manufacturing process. The main equipment for heat exchange plate pressing and forming are: thin plate forming press and forming mold. The forming mold is divided into an upper mold and a lower mold. In order to ensure the positioning accuracy of the upper and lower molds, matching guide columns and guide holes are provided at the four corners of the upper and lower molds. In order to improve the quality of plate pressing and forming, the upper and lower mold guide columns are always coupled in the production of plate heat exchanger plates, so that the opening size of the upper and lower molds is small, and the general loading and unloading equipment cannot be used. In order to prevent the surface of the plate from being crushed and to ensure the smoothness of the plate forming, the raw material plate is often pressed with pre-cut plastic film in actual production. Generally, manual work is used to complete the plastic film coating before loading and the plate film peeling after unloading. Manual operation is highly dangerous, inefficient and costly. Summary of the invention

[0003] The purpose of the present invention is to provide an automatic loading and unloading device for a thin plate forming press to solve the problems of manual plastic film coating of raw material plates during heat exchange plate pressing and peeling of the plates after unloading, resulting in low operating efficiency and high cost.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] The invention discloses an automatic loading and unloading device for a thin plate forming press, which comprises a loading device installed at a loading end in front of the thin plate forming press and a unloading device installed at a unloading end at the rear of the thin plate forming press, wherein the loading device and the unloading device are respectively installed on two mobile platforms, and the loading device and the unloading device are respectively connected to the thin plate forming press through positioning blocks, wherein the loading device comprises a lifting and lowering bearing platform installed in front of a mobile platform and a roller frame installed at the rear of the mobile platform, pneumatic separation devices are installed on both sides of the bearing platform, and a suction cup telescopic electric slide is installed at the front end of a horizontal bracket of the roller frame, and the suction cup telescopic electric slide is installed at the front end of the horizontal bracket of the roller frame. A number of suction cups are installed at the front end of the retractable electric slide, and a feeding electric roller is installed at the rear of the suction cup retractable electric slide. The feeding electric roller includes two roller monomers arranged up and down in the same plane, and a number of horizontally arranged unpowered rollers are arranged behind the feeding electric roller. A coating electric roller is arranged behind the unpowered roller, and the coating electric roller includes two roller monomers arranged up and down in the same plane. The coating electric roller is installed at the tail end of the horizontal bracket of the roller frame; two upper and lower driven damping film rollers are installed on the column in the middle of the roller frame, and the two driven damping film rollers are respectively located at the unpowered roller. The upper and lower sides; the unloading device is symmetrically arranged with the loading device, the unloading device comprises a roller frame installed at the front of another mobile platform and a height-adjustable load-bearing platform installed at the rear of the mobile platform, a film-peeling electric roller is installed at the front end of the horizontal bracket of the roller frame, the film-peeling electric roller comprises two roller monomers arranged up and down in the same plane, a number of horizontally arranged unpowered rollers are arranged behind the film-peeling electric roller, a unloading electric roller is installed behind the unpowered roller, the unloading electric roller comprises two roller monomers arranged up and down in the same plane, and a There is a suction cup telescopic electric slide, and several suction cups are installed at the tail end of the suction cup telescopic electric slide; two upper and lower film-winding electric rollers are installed on the column in the middle of the roller frame, and the two film-winding electric rollers are respectively located on the upper and lower sides of the unpowered roller; one roll of plastic film is wound on the film-winding electric roller and the driven damping film roller above the unpowered roller to become the upper covering film of the thin plate to be processed, and the other roll of plastic film is wound on the film-winding electric roller and the driven damping film roller below the unpowered roller to become the lower covering film of the thin plate to be processed; both rolls of plastic film pass through the two roller monomers arranged upper and lower by the film-covering electric roller and the film-removing electric roller.

[0006] Preferably, a film guide roller is arranged behind the driven damping film roller located below the unpowered roller in the feeding device, and the plastic film below enters the film coating electric roller after being supported by the film guide roller; a film guide roller is arranged in front of the film rolling electric roller located below the unloading device, and the plastic film below is wound onto the film rolling electric roller after coming out of the film peeling electric roller and being supported by the film guide roller.

[0007] Preferably, an array of plate longitudinal alignment guide columns are mounted on the horizontal bracket of the roller frame, the plate longitudinal alignment guide columns are installed between the unpowered rollers, and the plate longitudinal alignment guide columns are installed on the plate longitudinal alignment adjustment electric slide.

[0008] Preferably, a suction cup width adjustment electric slide is installed on the suction cup telescopic electric slide, and the suction cup is installed on the suction cup width adjustment electric slide.

[0009] Preferably, a lifting electric cylinder is installed under the carrying platform, and the carrying platform moves up and down along four sets of guide rails. The base of the lifting electric cylinder is installed on the bottom plate of the lifting platform, the bottom ends of the four sets of guide rails are fixed on the bottom plate of the lifting platform, and the bottom plate of the lifting platform is fixed on the moving platform.

[0010] Preferably, a mobile platform height adjustment bolt is installed on the mobile platform.

[0011] Preferably, the film coating motor roller and the film winding motor roller are both servo motor rollers.

[0012] The working process of the present invention is:

[0013] The operator pushes both the loading device and the unloading device to the inlet and outlet of the sheet forming press, secures them with the positioning blocks, and installs the two rolls of plastic film on the film rolling motor roller and the driven damping film roller on the upper and lower sides of the unpowered roller. Both rolls of plastic film pass through the two roller monomers arranged above and below the film coating motor roller and the film peeling motor roller. A stack of sheets to be processed is moved to the load-bearing platform by a forklift, and the lifting electric cylinder is started, and the load-bearing platform is lifted to the appropriate position. According to the width of the sheet to be processed, the sheet longitudinal alignment adjustment electric slide is started, and the spacing of the longitudinal alignment guide columns is adjusted. At the same time, the suction cup width adjustment electric slide is started to adjust the distance between the suction cups. Then start the suction cup telescopic electric slide, move the suction cup to the top of the plate to be processed, and start the pneumatic separation device at the same time. The high-pressure airflow blown by the pneumatic separation device separates the top plate to be processed from other plates, and the suction cup sucks the top plate to be processed; control the suction cup telescopic electric slide to retract, and the suction cup drives the plate to be processed to move toward the thin plate forming press. The end of the plate to be processed is inserted between the two roller monomers arranged up and down by the feeding electric roller. The suction cup is controlled to release the plate to be processed, and the feeding electric roller is used to press the plate to be processed. Under the rolling action, the sheet to be processed falls on the unpowered roller and moves to the thin plate forming press; the film winding electric roller and the film peeling electric roller rotate synchronously with the laminating electric roller, and the sheet to be processed passes through the gap between the two roller monomers arranged up and down of the laminating electric roller and enters between the upper and lower dies of the thin plate forming press, and the upper and lower surfaces of the sheet to be processed are covered with plastic film at the same time; when the sheet to be processed completely enters the thin plate forming press, the film winding electric roller, the film peeling electric roller and the laminating electric roller stop rotating. After the sheet is pressed and formed, the film-winding electric roller and the film-peeling electric roller are started to rotate synchronously, and the plastic film coated on the upper and lower surfaces of the sheet is rolled up by the film-winding electric roller and recycled. The sheet is conveyed to the unpowered roller on one side of the unloading device and enters the gap between the two roller units arranged above and below the unloading electric roller; the suction cup on the unloading device sucks the side of the sheet extending from the unloading electric roller, and the suction cup retractable electric slide is started to smoothly transfer the sheet to the carrying platform; when the upper surface height of the stacked sheets on the carrying platform exceeds the set height, the lifting electric cylinder is controlled to retract and the height of the carrying platform is lowered to receive the subsequent pressed and formed sheets.

[0014] The beneficial effects of the present invention are:

[0015] (1) The present invention installs a loading device and a unloading device on both sides of the sheet forming press, and realizes the mechanical automatic loading and unloading of the sheet through the suction cup telescopic electric slide, the loading electric roller, the unpowered roller, the film coating electric roller, the film stripping electric roller and the unloading electric roller; at the same time, the mechanical automatic coating and film stripping of the plastic film on the upper and lower surfaces of the sheet are realized through the driven damping film roller, the film coating electric roller, the film rolling electric roller and the film stripping electric roller; the present invention can carry out the loading work while unloading, and has high working efficiency;

[0016] (2) The present invention wraps the whole roll of plastic film, peels off the film and recycles it. The recycled plastic film can be reused, saving production costs and avoiding waste;

[0017] (3) The present invention uses the plate longitudinal alignment adjustment electric slide to adjust the spacing of the longitudinal alignment guide pillars, thereby ensuring the longitudinal centering positioning of the plate, thereby improving processing efficiency and product quality;

[0018] (4) The present invention uses a suction cup width adjustment electric slide to adjust the distance between the suction cups, and the high-pressure gas blown out by the pneumatic separation device separates the top plate from the other plates, thereby ensuring the reliability of the suction cup when absorbing the plate and avoiding damage to the raw material plate;

[0019] (5) The film guide roller installed under the roller frame prevents the plastic film below from being adsorbed onto the lower surface of the horizontal bracket of the roller frame, thereby reducing the wear of the plastic film and ensuring the quality of sheet pressing;

[0020] (6) Both the laminating motor roller and the film rolling motor roller are servo motor rollers. The plate to be processed can be positioned by detecting the rotation amount of the laminating motor roller, with high positioning accuracy;

[0021] (7) The mobile platform is provided with a mobile platform height adjustment bolt, which can adjust the height of the roller frame and the feed end and the discharge end of the thin plate forming press. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view of the present invention;

[0023] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 3 yes Figure 2 A side view of the present invention;

[0025] Figure 4 yes Figure 2 Schematic diagram of the roller and roller frame structure in the middle feeding device;

[0026] Figure 5 yes Figure 4 Schematic diagram of the structure of the middle suction cup mechanism;

[0027] Figure 6 yes Figure 2 A schematic diagram of the structure of the loading plate of the middle loading device;

[0028] Figure 7 yes Figure 6 Schematic diagram of the local structure;

[0029] In the figure: 1. feeding device, 2. sheet metal forming press, 3. unloading device, 4. mobile platform height adjustment bolt, 5. mobile plate, 6. pneumatic separation device, 7. lifting platform bottom plate, 8. lifting electric cylinder, 9. bearing platform, 10. roller frame, 11. plate longitudinal alignment adjustment electric slide, 12. roller press cylinder, 13. positioning block, 14. longitudinal alignment guide column, 15. unloading electric roller, 16. film rolling electric roller, 17. film coating electric roller, 18. driven damping film roller, 19. unpowered roller, 20. feeding electric roller, 21. suction cup width adjustment electric slide, 22. suction cup telescopic electric slide, 23. suction cup, 24. film peeling electric roller, 25. guide rail, 26. film guide roller. DETAILED DESCRIPTION

[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0031] like Figures 1 to 5The shown embodiment is an automatic loading and unloading device for a thin plate forming press, which includes a loading device 1 installed at the loading end in front of the thin plate forming press 2 and a unloading device 3 installed at the unloading end behind the thin plate forming press 2. The loading device 1 and the unloading device 3 are respectively installed on two mobile platforms 5. The loading device 1 and the unloading device 3 are respectively connected to the thin plate forming press 2 through positioning blocks 13. The loading device 1 includes a lifting load-bearing platform 9 installed in front of a mobile platform 5 and a roller frame 10 installed at the rear of the mobile platform 5. Pneumatic separation devices 6 are installed on both sides of the load-bearing platform 9. A suction cup telescopic electric slide 22 is installed at the front end of the horizontal bracket of the roller frame 10. The suction cup telescopic electric slide A plurality of suction cups 23 are installed at the front end of the platform 22, and a feeding electric roller 20 is installed at the rear of the suction cup telescopic electric slide 22. The feeding electric roller 20 includes two roller monomers arranged up and down in the same plane, and a plurality of horizontally arranged non-powered rollers 19 are arranged behind the feeding electric roller 20. A coating electric roller 17 is arranged behind the non-powered roller 19. The coating electric roller 17 includes two roller monomers arranged up and down in the same plane. The coating electric roller 17 is installed at the tail end of the horizontal bracket of the roller frame 10; two upper and lower driven damping film rollers 18 are installed on the column in the middle of the roller frame 10, and the two driven damping film rollers 18 are respectively located on the non-powered roller 19 upper and lower sides; the unloading device 3 is symmetrically arranged with the loading device 1, and the unloading device 3 includes a roller frame 10 installed at the front of another mobile platform 5, and a height-adjustable load-bearing platform 9 installed at the rear of the mobile platform 5. A film-peeling electric roller 24 is installed at the front end of the horizontal bracket of the roller frame 10. The film-peeling electric roller 24 includes two roller monomers arranged up and down in the same plane, and a number of horizontally arranged unpowered rollers 19 are arranged behind the film-peeling electric roller 24. A unloading electric roller 15 is installed behind the unpowered roller 19. The unloading electric roller 15 includes two roller monomers arranged up and down in the same plane, and a suction roller is installed behind the unloading electric roller 15. The disc telescopic electric slide 22, and several suction cups 23 are installed at the tail end of the suction cup telescopic electric slide 22; two upper and lower film-winding electric rollers 16 are installed on the column in the middle of the roller frame 10, and the two film-winding electric rollers 16 are respectively located on the upper and lower sides of the unpowered roller 19; a roll of plastic film is wound on the film-winding electric roller 16 and the driven damping film roller 18 above the unpowered roller 19 to become the upper covering film of the thin plate to be processed, and the other roll of plastic film is wound on the film-winding electric roller 16 and the driven damping film roller 18 below the unpowered roller 19 to become the lower covering film of the thin plate to be processed; both rolls of plastic film pass through the two roller monomers arranged upper and lower by the film-covering electric roller 17 and the film-removing electric roller 24.

[0032] A film guide roller 26 is provided behind the driven damping film roller 18 located below the unpowered roller 19 in the feeding device 1, and the plastic film below enters the coating electric roller 17 after being supported by the film guide roller 26; a film guide roller 26 is provided in front of the film winding electric roller 16 located below the unpowered roller 19 in the unloading device 3, and the plastic film below comes out of the film peeling electric roller 24 and is supported by the film guide roller 26 before being wound onto the film winding electric roller 16 below.

[0033] An array of plate longitudinal alignment guide columns 14 are mounted on the horizontal bracket of the roller frame 10 . The plate longitudinal alignment guide columns 14 are installed between the unpowered rollers 19 . The plate longitudinal alignment guide columns 14 are installed on the plate longitudinal alignment adjustment electric slide 11 .

[0034] A suction cup width adjustment electric slide 21 is installed on the suction cup telescopic electric slide 22 , and the suction cup 23 is installed on the suction cup width adjustment electric slide 21 .

[0035] A lifting electric cylinder 8 is installed below the carrying platform 9, and the carrying platform 9 moves up and down along the four sets of guide rails 25. The base of the lifting electric cylinder 8 is installed on the lifting platform bottom plate 7, the bottom ends of the four sets of guide rails 25 are fixed on the lifting platform bottom plate 7, and the lifting platform bottom plate 7 is fixed on the moving platform 5.

[0036] The moving platform 5 is provided with a moving platform height adjustment bolt 4 .

[0037] The film-laminating motor roller 17 and the film-winding motor roller 16 are both servo motor rollers.

[0038] The working process of the present invention is:

[0039] The operator pushes both the loading device 1 and the unloading device 3 to the inlet and outlet of the thin plate forming press 2, securely fixes them with the positioning block 13, and installs the two rolls of plastic film on the film rolling electric roller 16 and the driven damping film roller 18 on the upper and lower sides of the unpowered roller 19 respectively. Both rolls of plastic film pass through the two roller monomers arranged above and below the film coating electric roller 17 and the film peeling electric roller 24. Move a stack of plates to be processed onto the carrying platform 9 by a forklift, start the lifting electric cylinder 8, and lift the carrying platform 9 to the appropriate position. According to the width of the plates to be processed, start the plate longitudinal alignment adjustment electric slide 11, adjust the spacing of the longitudinal alignment guide columns 14, and at the same time start the suction cup width adjustment electric slide 21 to adjust the distance between the suction cups 23. Then start the suction cup telescopic electric slide 22, move the suction cup 23 to the top of the plate to be processed, and start the pneumatic separation device 6 at the same time. The high-pressure airflow blown by the pneumatic separation device 6 separates the uppermost plate to be processed from other plates, and the suction cup 23 sucks the uppermost plate to be processed; control the suction cup telescopic electric slide 22 to retract, and the suction cup 23 drives the plate to be processed to move toward the thin plate forming press 2, and the end of the plate to be processed is inserted between the two roller monomers arranged up and down by the feeding electric roller 20, and the suction cup 23 is controlled to release the plate to be processed, and the feeding electric roller 20 is pressed. Under the rolling action, the plate to be processed falls on the unpowered roller 19 and moves to the thin plate forming press 2; the film winding electric roller 16 and the film stripping electric roller 24 rotate synchronously with the laminating electric roller 17, and the plate to be processed passes through the gap between the two roller monomers arranged up and down by the laminating electric roller 17 and enters between the upper and lower dies of the thin plate forming press 2, and the upper and lower surfaces of the plate to be processed are covered with plastic film at the same time; when the plate to be processed completely enters the thin plate forming press 2, the film winding electric roller 16, the film stripping electric roller 24 and the laminating electric roller 17 stop rotating. After the sheet is pressed and formed, the film-winding electric roller 16 and the film-peeling electric roller 24 are started to rotate synchronously, and the plastic film coated on the upper and lower surfaces of the sheet is rolled up and recycled by the film-winding electric roller 16. The sheet is conveyed to the unpowered roller 19 on one side of the unloading device 3 and enters the gap between the two roller monomers arranged up and down of the unloading electric roller 15; the suction cup 23 on the unloading device 3 sucks the side of the sheet extending from the unloading electric roller 15, and the suction cup retractable electric slide 22 is started to smoothly transfer the sheet to the carrying platform 9; when the upper surface height of the stacked sheets on the carrying platform 9 exceeds the set height, the lifting electric cylinder 8 is controlled to retract to lower the height of the carrying platform 9 so as to receive the sheets that are subsequently pressed and formed.

[0040] The present invention installs a loading device and a unloading device on both sides of the thin plate forming press, and realizes the mechanical automatic loading and unloading operations of the plate through the suction cup telescopic electric slide, the loading electric roller, the unpowered roller, the film coating electric roller, the film stripping electric roller and the unloading electric roller; at the same time, the mechanical automatic coating and film stripping operations of the plastic film on the upper and lower surfaces of the plate are realized through the driven damping film roller, the film coating electric roller, the film rolling electric roller and the film stripping electric roller; the present invention can carry out the loading work while unloading, and the working efficiency is high.

Claims

1. An automatic loading and unloading device for a thin plate forming press, comprising a loading device (1) installed at a loading end in front of a thin plate forming press (2) and a unloading device (3) installed at a unloading end in rear of the thin plate forming press (2), the loading device (1) and the unloading device (3) being installed on two movable platforms (5) respectively, the loading device (1) and the unloading device (3) being connected to the thin plate forming press (2) respectively via positioning blocks (13), characterized in that: The feeding device (1) comprises a lifting and lowering load-bearing platform (9) installed in front of a mobile platform (5) and a roller frame (10) installed at the rear of the mobile platform (5), pneumatic separation devices (6) are installed on both sides of the load-bearing platform (9), a suction cup telescopic electric slide (22) is installed at the front end of the horizontal bracket of the roller frame (10), a plurality of suction cups (23) are installed at the front end of the suction cup telescopic electric slide (22), a feeding electric roller (20) is installed at the rear of the suction cup telescopic electric slide (22), the feeding electric roller (20) comprises two roller units arranged up and down in the same plane, and a plurality of horizontally arranged rollers are arranged at the rear of the feeding electric roller (20). An unpowered roller (19) is provided behind the unpowered roller (19), and the film-coated electric roller (17) comprises two roller units arranged in an upper and lower manner in the same plane, and the film-coated electric roller (17) is installed at the tail end of a horizontal bracket of a roller frame (10); two upper and lower driven damping film rollers (18) are installed on a column in the middle of the roller frame (10), and the two driven damping film rollers (18) are respectively located on the upper and lower sides of the unpowered roller (19); the unloading device (3) is symmetrically arranged with the loading device (1), and the unloading device (3) comprises a roller frame (10) installed in front of another mobile platform (5), and a roller frame (10) installed on the mobile platform (5). A height-adjustable load-bearing platform (9) is disposed at the rear of the moving platform (5); a film-peeling electric roller (24) is installed at the front end of the horizontal bracket of the roller frame (10); the film-peeling electric roller (24) includes two roller units arranged vertically in the same plane; a plurality of horizontally arranged non-powered rollers (19) are disposed behind the film-peeling electric roller (24); a material-discharging electric roller (15) is installed behind the non-powered roller (19); the material-discharging electric roller (15) includes two roller units arranged vertically in the same plane; a suction cup telescopic electric slide (22) is installed behind the material-discharging electric roller (15); a plurality of suction cups are installed at the rear end of the suction cup telescopic electric slide (22) (23); two upper and lower film-winding electric rollers (16) are installed on the column in the middle of the roller frame (10), and the two film-winding electric rollers (16) are respectively located on the upper and lower sides of the unpowered roller (19); one roll of plastic film is wound around the film-winding electric roller (16) and the driven damping film roller (18) above the unpowered roller (19) to become the upper covering film of the thin plate to be processed, and the other roll of plastic film is wound around the film-winding electric roller (16) and the driven damping film roller (18) below the unpowered roller (19) to become the lower covering film of the thin plate to be processed; the two rolls of plastic film pass through two roller monomers arranged upper and lower, namely, the film-covering electric roller (17) and the film-removing electric roller (24); In the loading device (1), a film guide roller (26) is arranged behind the driven damping film roller (18) located below the unpowered roller (19), and the plastic film below enters the film coating motor roller (17) after being supported by the film guide roller (26); in the unloading device (3), a film guide roller (26) is arranged in front of the film rolling motor roller (16) located below the unpowered roller (19), and the plastic film below comes out of the film peeling motor roller (24) and is supported by the film guide roller (26) before being wound onto the film rolling motor roller (16) below; An array of plate longitudinal alignment guide columns (14) are mounted on the horizontal bracket of the roller frame (10), the plate longitudinal alignment guide columns (14) are mounted between the unpowered rollers (19), and the plate longitudinal alignment guide columns (14) are mounted on the plate longitudinal alignment adjustment electric slide table (11); A lifting electric cylinder (8) is installed below the carrying platform (9), and the carrying platform (9) moves up and down along four sets of guide rails (25). The base of the lifting electric cylinder (8) is installed on the lifting platform bottom plate (7), the bottom ends of the four sets of guide rails (25) are fixed on the lifting platform bottom plate (7), and the lifting platform bottom plate (7) is fixed on the moving platform (5).

2. The automatic loading and unloading device for a sheet metal forming press according to claim 1, characterized in that: The mobile platform (5) is provided with a mobile platform height adjustment bolt (4).

3. The automatic loading and unloading device for a sheet metal forming press according to claim 1, characterized in that: The film coating motorized roller (17) and the film rolling motorized roller (16) are both servo motorized rollers.

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