A plate heat exchanger plate automatic processing lamination system and control method thereof

Abstract

The present invention relates to the field of heat exchanger processing equipment, in particular to a plate heat exchanger plate automatic processing lamination system and a control method thereof. The processing system includes a frame, a plate horizontal toggle mechanism, a plate heating table, a plate temporary storage and insulation box, a plate transport mechanism, a plate molding machine A, a plate molding machine B, a plate pushing mechanism, a plate output table, a plate removal mechanism, a camera module, a defective collection frame, a defective rejection mechanism, a plate horizontal output table, a plate rotation mechanism, a plate lamination mechanism, a sealing gasket / solder film placement manipulator, a discharging manipulator and a discharging conveyor belt. The present invention automatically completes the heating, temporary storage and insulation, molding, quality screening to lamination of plates, realizes full automation of plate molding and lamination, improves the processing and lamination efficiency of plates, can be used for the production and lamination of plates with different structures, and is also suitable for the flexible switching production of detachable plate heat exchangers and welded plate heat exchangers, with good flexibility.

Description

Technical Field

[0001] The invention belongs to the field of heat exchanger processing equipment, and in particular relates to a plate type heat exchanger plate automatic processing lamination system and a control method thereof. Background Art

[0002] The plate heat exchanger is composed of a group of corrugated metal plates stacked together, with four corner holes on the plates for the two liquids to transfer heat. The metal plates are installed in a frame with a fixed plate and a movable clamping plate on the side, and clamped with clamping bolts. Plate heat exchangers are divided into detachable plate heat exchangers and welded plate heat exchangers. The plates of the detachable plate heat exchanger are sealed with sealing gaskets to seal the fluid channels, and the plates of the welded plate heat exchanger are sealed by welding. After the channels are sealed, the fluids are guided to flow alternately into their respective channels to form heat exchange. The flow rate, physical properties, pressure drop and temperature difference of the fluid determine the number and size of the plates.

[0003] Existing patents include: a metal sheet stamping automatic polishing and deburring device (application number 202311132956.2), which discloses a metal sheet stamping automatic polishing and deburring device. When the raised part on the cam is no longer squeezing the ball and the lifting shaft, the slideway and the lifting shaft will be reset by the elastic force of the elastic spring, so that the lifting shaft will move up and down continuously, and the four grinding brushes will move up and down continuously, so as to facilitate multi-directional grinding, thereby improving the burr removal effect, reducing the uniformity of burr grinding, and preventing single-direction grinding, resulting in incomplete grinding. A continuous stamping device for door panel processing (CN202310861775.7), which solves the problems of poor stamping processing continuity, inconvenience in shearing and cutting, transit transportation, and stamping deformation in the stamping equipment and methods in the traditional technology when processing door panels. A surface pretreatment device for steel plate parts before processing (CN202320746308.5). The surface pretreatment device for steel plate parts before processing provided by the utility model first wets and flushes the dust on the surface of the steel plate and then dries it by setting a water spray pipe and an air jet pipe, so as to achieve the effect of preliminary cleaning of the dust on the surface of the steel plate. Compared with the existing direct shot blasting dust removal, wetting the dust first can effectively reduce the amount of dust generated during the dust removal operation, thereby reducing the harm to the health of workers caused by dust and the impact on painting. A continuous stamping equipment for metal plate parts processing (CN202223420415.3). The utility model supports the metal plate by a guide roller that can be moved vertically, and the metal plate is centered by a movable limit plate, so as to improve the stamping efficiency and quality of the plate. The guide rail can be automatically oiled by the setting of the oiling mechanism, so as to achieve the effect of continuous stamping to avoid wear, and is suitable for continuous stamping operations.

[0004] When manufacturing a plate heat exchanger, the plates need to be molded and then stacked as needed. However, existing plate manufacturing equipment cannot achieve fully automated plate manufacturing and cannot automatically stack the plates, resulting in low production efficiency of the plate heat exchanger. Summary of the invention

[0005] In order to overcome the disadvantage of low efficiency in existing plate processing, the present invention provides a plate heat exchanger plate automatic processing lamination system with high automation and flexible production and a control method thereof.

[0006] The technical solution adopted by the present invention to solve its technical problem is:

[0007] A plate heat exchanger plate automatic processing lamination system, including a frame, a plate horizontal toggle mechanism, a plate heating table, a plate temporary storage insulation box, a plate handling mechanism, a plate molding machine A, a plate molding machine B, a plate pushing mechanism, a plate output table, a plate removal mechanism, a camera module, a defective collection frame, a defective rejection mechanism, a plate horizontal output table, a plate rotation mechanism, a plate lamination mechanism, a sealing gasket / solder film placement robot, a discharging robot and a discharging conveyor belt, the frame is sequentially equipped with a plate horizontal toggle mechanism for horizontally pushing the plate on the plate heating table, a plate handling mechanism for transferring the plate to different workstations, and a plate for heating the plate is provided below the plate horizontal toggle mechanism A plate heating table, one side of the plate heating table is provided with a plate temporary storage and insulation box for storing plates and keeping the plates warm, one side of the plate temporary storage and insulation box is provided in sequence with a plate molding machine A and a plate molding machine B for molding the plates, the shapes of the molds on the plate molding machine A and the plate molding machine B are set to be the same or different according to needs; a plate pushing mechanism for pushing the plates to the molding position is installed next to the plate molding machine A and the plate molding machine B, a plate output table for conveying the plates to other stations is provided on the rear end side of the plate molding machine B, a plate removing mechanism for transporting the plates from the plate molding machine A and the plate molding machine B to the plate output table is provided above the plate output table, and a plate removing mechanism for A camera module is used to capture images of the appearance of the plate. A defective product collection frame and a defective product rejection mechanism are respectively provided on the two sides of the plate output platform, so that the product can be removed in time when the product detected by the camera module does not meet the requirements; a plate rotary output platform is installed at the discharge end of the plate output platform, and a plate rotation mechanism for rotating the plate plane 180° is provided above the plate rotary output platform. A plate stacking mechanism for stacking the conveyed plates in sequence to form a heat exchanger main body is provided at the discharge end of the plate rotary output platform; a sealing gasket / solder film placing robot for placing sealing gaskets on the plates placed in the plate stacking mechanism is provided next to the plate stacking mechanism. The sealing gasket / Solder film placing robot is provided with a sealing gasket / solder film loading table; the rear end of the plate stacking mechanism is provided with a discharging robot for taking out the plates stacked as needed, and a discharging conveyor belt is also provided next to the discharging robot; the plate horizontal shifting mechanism, plate heating table, plate temporary storage insulation box, plate handling mechanism, plate molding machine A and plate molding machine B, plate pushing mechanism, plate output table, plate moving out mechanism, camera module, defective rejection mechanism, plate horizontal output table, plate rotating mechanism, plate stacking mechanism, sealing gasket / solder film placing robot, discharging robot and discharging conveyor belt are all electrically connected to a PLC, and the camera module is a CCD camera.

[0008] Preferably, the horizontal moving mechanism of the plate includes a rodless cylinder, a shifting plate, a lifting cylinder and a guide rod. Several guide rods are fixed on the cylinder body of the rodless cylinder, and the guide rods pass through guide holes on the frame. The cylinder body of the lifting cylinder is fixed on the frame, and the piston rod of the lifting cylinder is fixed on the cylinder body of the rodless cylinder. Several shifting plates are fixed in sequence on the slide seat of the rodless cylinder.

[0009] Preferably, the plate heating table includes a table body, a baffle, a horizontal cylinder, and a heating rod. The heating rod is fixed in the table body, two baffles are slidably connected to the table body, two horizontal cylinders are fixed on the table body, the piston rods of the two horizontal cylinders are respectively connected to the two baffles, and the table body is provided with a groove for passing the paddle.

[0010] Preferably, the panel temporary storage insulation box includes a box body, a lifting platform, a table lifting cylinder, and a heating rod. A heating rod is fixed in the box body, the lifting platform is slidably connected in the box body, a table lifting cylinder is fixed in the box body, and the piston rod of the table lifting cylinder is fixed on the lifting platform.

[0011] Preferably, the panel molding machine A and the panel molding machine B have the same structure, including a workbench, an upper mold, a lower mold, and an upper mold lifting cylinder. The lower mold is fixed on the table top of the workbench, and an upper mold lifting cylinder is provided above the workbench. The upper mold is fixed on the piston rod of the upper mold lifting cylinder.

[0012] Preferably, the defective product rejection mechanism is a push plate driven by a cylinder.

[0013] Preferably, the plate handling mechanism comprises a two-axis manipulator and a suction cup, and a plurality of suction cups are fixed on the two-axis manipulator.

[0014] Preferably, the plate pushing mechanism includes a horizontal linear module, a push rod, and a push rod rotating motor. The cylinder of the horizontal linear module is fixed to the side of the workbench, the push rod rotating motor is fixed on the slide seat of the horizontal linear module, and the push rod is fixed on the output shaft of the push rod rotating motor.

[0015] Preferably, the panel output station is a double-belt conveyor.

[0016] Preferably, the panel removal mechanism comprises a multi-axis robot and a second suction cup, and a plurality of second suction cups are fixed on the multi-axis robot.

[0017] Preferably, the plate rotation mechanism includes a driving cylinder and a rotating disk with a suction cup arranged on the movable end of the driving cylinder and capable of rotating around the movable end of the cylinder. A circular rack is arranged inside the rotating disk. A fixed disk fixedly connected to the movable end of the cylinder is also arranged on the movable end of the driving cylinder and above the rotating disk. A motor is fixedly arranged on the fixed disk. The motor drives a pinion meshing with the circular rack. The rotation of the pinion drives the rotating disk to rotate, so that the rotating disk can rotate 180° with the plate.

[0018] Preferably, the plate stacking mechanism includes a frame and two lifting mechanisms arranged in the frame and located on the left and right sides of the frame, each lifting mechanism includes a vertically arranged screw rod driven by a motor to rotate, a nut sleeve is sleeved on the screw rod, and a guide rod parallel to the screw rod is respectively provided on both sides of the screw rod, and a supporting cross plate passed through the two guide rods is fixedly connected to the nut sleeve, and the two supporting cross plates on the two lifting mechanisms are connected together by a connecting plate in the middle to form a plate supporting plate, so that the nut sleeve can move up and down with the plate supporting plate by rotating the screw rod as needed to stack the plates; left and right fixed blocks and left and right pushing blocks for positioning the plates are also provided next to the plate supporting plate, the left and right fixed blocks and the left and right pushing blocks are relatively arranged, and the left and right pushing blocks are driven by cylinders, and the plates fall from the plate rotating output platform onto the plate supporting plate, and the left and right fixed blocks and the left and right pushing blocks cooperate to push and position the plates to reach the correct stacking position.

[0019] The present invention also discloses a control method for the plate heat exchanger plate automatic processing lamination system, which comprises the following steps in sequence:

[0020] (1) The plates are placed on the plate heating table in turn for heating. The plate horizontal shifting mechanism drives the plates to move horizontally on the plate heating table until the plates are pushed into the plate temporary storage insulation box;

[0021] (2) The plate transporting mechanism transports the plates from the plate temporary storage insulation box to the workbench located at the front end of the plate molding machine A, and the plate pushing mechanism pushes the plates on the workbench horizontally to the molding stations of the plate molding machine A and the plate molding machine B respectively, and the plate molding machine A and the plate molding machine B mold the plates; wherein, when the structures of the plates of the plate heat exchanger to be produced are the same but the directions are different when stacking, that is, one plate is placed upright and the other needs to be placed after being rotated 180 degrees, the mold shapes on the plate molding machine A and the plate molding machine B are set to be the same so that the plate molding machine A and the plate molding machine B work at the same time to produce two identical plates at the same time; when the structure intervals of the plates of the plate heat exchanger to be produced are different, that is, they are A plates and B plates respectively, the mold shapes on the plate molding machine A and the plate molding machine B are set to be the same as the shapes of the required plates, so as to produce the required plates arranged in sequence;

[0022] (3) The panel removal mechanism moves the molded panels to the panel output table in sequence, and the panel output table transports the panels forward in sequence to the bottom of the camera module. The camera module transmits the panel image to the PLC, and the PLC determines whether the panel is qualified. If it is qualified, it enters the next process. If it is unqualified, it is rejected by the defective rejection mechanism;

[0023] When the plate heat exchangers to be produced have different structural spacings, i.e., plate A and plate B, corresponding identification marks are set on both plate A and plate B for PLC identification. The standard for PLC to judge whether the plate is qualified is set as follows:

[0024] The correct arrangement order of qualified panels output by the PLC is set to A-B-A-B... so that the back-end panels can be stacked correctly; when the PLC detects that the panel under the camera module is B, but the B panel is unqualified, it will wait until a qualified B panel is detected before running the next cycle, that is, if B panel is needed, if A panel is received, it will be discarded regardless of whether it is qualified; if B panel is received but unqualified, it will be discarded; if B panel is received and qualified, it will run the next cycle normally;

[0025] (4) Qualified plates enter the plate horizontal output table;

[0026] When the plates of the plate heat exchanger to be produced have the same structure and are all A plates, but the directions are different when stacking, that is, one plate is placed upright and the other needs to be placed after being rotated 180°, the plate rotating mechanism above the plate rotating output table works to rotate the plates 180° at intervals, and then transport them one by one for stacking, so as to stack the plates correctly in the order of A plate - (-A plate) - A plate - (-A plate)...;

[0027] When the plate structures of the plate heat exchangers to be produced have different spacings, the plate rotating mechanism above the plate horizontal output table does not work, and the plates are directly transported to stack in sequence, so as to perform the correct plate stacking in the order of A-B-A-B…;

[0028] (5) After the plates enter the plate stacking mechanism, they are stacked in sequence. During stacking, a sealing gasket or solder film is placed between every two plates according to the production requirements of the plate heat exchanger by a sealing gasket / solder film placement robot. That is, when the plate group of a detachable plate heat exchanger is produced, a sealing gasket is placed in the middle, and when the plate group of a welded plate heat exchanger is produced, a solder film is placed in the middle;

[0029] (6) When the number of stacked plates required for the production of the plate heat exchanger is sufficient, the unloading robot takes the stacked plates out of the plate stacking mechanism and places them on the unloading conveyor belt for transportation to the next production process.

[0030] Beneficial effects: The plate heat exchanger plate automatic processing and stacking system of the present invention has an ingenious structure. The present invention automatically completes the heating, temporary storage and insulation, molding, quality screening to stacking of plates, realizes full automation of plate molding and stacking, improves the processing and stacking efficiency of plates, and can be used for the production and stacking of plates with different structures. It is also suitable for the flexible switching production of detachable plate heat exchangers and welded plate heat exchangers. It has good flexibility in use, saves time and labor, and has multiple uses for one machine, which greatly saves equipment cost and floor space. It is extremely practical and worthy of promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0032] Figure 1 It is a schematic diagram of the main structure of the plate heat exchanger plate automatic processing lamination system according to an embodiment of the present invention;

[0033] Figure 2 It is a schematic diagram of the top view of the structure of the plate heat exchanger plate automatic processing lamination system according to an embodiment of the present invention;

[0034] Figure 3 It is a schematic diagram of the front-end structure of the plate-type heat exchanger plate automatic processing lamination system according to an embodiment of the present invention;

[0035] Figure 4 It is a structural schematic diagram of a panel temporary storage and insulation box in an embodiment of the present invention;

[0036] Figure 5 It is a structural schematic diagram of a plate pushing mechanism in an embodiment of the present invention;

[0037] Figure 6is a structural schematic diagram of a plate rotating mechanism in an embodiment of the present invention;

[0038] Figure 7 for Figure 6 Enlarged view of point A in the middle;

[0039] Figure 8 It is a schematic diagram of the main structure of the plate lamination mechanism in an embodiment of the present invention;

[0040] Fig. 9 is a schematic diagram of a top view of the plate stacking mechanism in an embodiment of the present invention;

[0041] Fig.10 It is a schematic diagram of the plate stacking structure when the structures of the plates of the heat exchanger are the same but the directions are different when stacking;

[0042] Fig.11 A schematic diagram of the plate stacking structure of the heat exchanger when the plate structures are spaced at different intervals;

[0043] In the figure, 1. rack, 2. plate horizontal toggle mechanism, 3. plate heating table, 4. plate temporary storage and insulation box, 5. plate transport mechanism, 6. plate molding machine A, 7. plate molding machine B, 8. plate pushing mechanism, 9. plate output table, 10. plate removal mechanism, 11. camera module, 12. plate horizontal output table, 13. plate rotation mechanism, 14. plate stacking mechanism, 15. discharge manipulator, 16. discharge conveyor belt, 17. defective rejection mechanism, 18. defective collection frame, 19. sealing gasket / solder film placement manipulator, 20. sealing gasket / solder film loading table, 21. rodless cylinder, 22. toggle plate, 23. lifting cylinder, 24. guide rod, 31. table body, 32. baffle, 33. horizontal cylinder, 41. Box body, 42. Lifting platform, 43. Platform lifting cylinder, 81. Horizontal linear module, 82. Push rod, 83. Push rod rotating motor, 131. Driving cylinder, 132. Rotating disk, 133. Circular rack, 134. Fixed disk, 135. Pinion, 141. Frame, 142. Screw, 143. Guide rod, 144. Supporting cross plate, 145. Plate supporting plate, 146. Left and right fixed blocks, 147. Left and right push blocks. DETAILED DESCRIPTION

[0044] As attached Figure 1-11As shown, a plate heat exchanger plate automatic processing lamination system includes a frame 1, a plate horizontal toggle mechanism 2, a plate heating table 3, a plate temporary storage and insulation box 4, a plate transport mechanism 5, and a plate molding machine A. 6. Plate molding machine B7, plate pushing mechanism 8, plate output table 9, plate removal mechanism 10, camera module 11, defective collection frame 18, defective rejection mechanism 17, plate horizontal output table 12, plate rotation mechanism 13, plate stacking mechanism 14, sealing gasket / solder film placement robot 19, discharge robot 15 and discharge conveyor belt 16, the frame 1 is sequentially installed with a plate horizontal shifting mechanism 2 for horizontally pushing the plate on the plate heating table 3, a plate transporting mechanism 5 for transferring the plate to different stations, a plate heating table 3 for heating the plate is arranged below the plate horizontal shifting mechanism 2, a plate temporary storage and insulation box 4 for storing and keeping the plate warm is arranged on one side of the plate temporary storage and insulation box 4, and a plate molding machine A 6 and a plate molding machine B for molding the plate are arranged on one side. 7, the shapes of the molds on the plate molding machine A and the plate molding machine B are set to be the same or different as needed, and a plate pushing mechanism 8 for pushing the plate to the molding position is installed next to the plate molding machine A 6 and the plate molding machine B 7, and a plate output table 9 for conveying the plate to other stations is provided on one side of the rear end of the plate molding machine B 7, and a plate output table 9 for conveying the plate from the plate molding machine A 6 and the plate molding machine B is provided above the plate output table 9. 7 is transported to the plate output platform 9 by the panel removal mechanism 10, and a camera module 11 for capturing the appearance image of the plate is arranged above the plate output platform 9. The two sides of the plate output platform 9 are respectively provided with a defective collection frame 18 and a defective rejection mechanism 17, so that when the product detected by the camera module 11 does not meet the requirements, the product can be removed in time; a plate horizontal rotation output platform 12 is installed at the discharge end of the plate output platform 9, and a plate rotation mechanism 13 for rotating the plate plane 180° is arranged above the plate horizontal rotation output platform 12, and a plate rotation mechanism 13 for rotating the plate plane 180° is arranged at the discharge end of the plate horizontal rotation output platform 12 There is a plate stacking mechanism 14 for stacking the delivered plates in sequence to form a heat exchange body of the heat exchanger; next to the plate stacking mechanism 14, there is a sealing gasket / solder film placing robot 19 for placing sealing gaskets on the plates placed in the plate stacking mechanism 14, and next to the sealing gasket / solder film placing robot 19, there is a sealing gasket / solder film loading platform 20; at the rear end of the plate stacking mechanism 14, there is a discharging robot 15 for taking out the plates that have been stacked as required, and next to the discharging robot 15, there is also a discharging conveyor belt 16;The plate horizontal toggle mechanism 2, plate heating table 3, plate temporary storage and insulation box 4, plate transport mechanism 5, plate molding machine A 6 and plate molding machine B 7, plate pushing mechanism 8, plate output table 9, plate removal mechanism 10, camera module 11, defective product rejection mechanism 17, plate horizontal output table 12, plate rotation mechanism 13, plate stacking mechanism 14, sealing gasket / solder film placement manipulator 19, discharging manipulator 15, and discharging conveyor belt 16 are all electrically connected to a PLC, and the camera module 11 is a CCD camera. ;

[0045] The plate horizontal toggle mechanism 2 includes a rodless cylinder 21, a toggle plate 22, a lifting cylinder 23, and a guide rod 24. Several guide rods 24 are fixed on the cylinder body of the rodless cylinder 21, and the guide rods 24 pass through the guide holes on the frame 1. The cylinder body of the lifting cylinder 23 is fixed on the frame 1, and the piston rod of the lifting cylinder 23 is fixed on the cylinder body of the rodless cylinder 21. Several toggle plates 22 are fixed on the slide seat of the rodless cylinder 21 in sequence.

[0046] The cylinder of the rodless cylinder 21 is hollow on both sides, and the permanent magnet in the piston rod drives another magnet (moving part) outside the piston rod. The rodless cylinder has a piston but no piston rod. The piston is installed in the guide rail, and the external load is connected to the piston, and the action depends on the intake air. The piston drives the moving body outside the cylinder body to move synchronously through magnetic force. Its working principle is: a set of high-strength permanent magnetic rings are installed on the piston, and the magnetic lines of force act on another set of magnetic rings on the outside through the thin-walled cylinder. Since the two sets of magnetic rings have opposite magnetic properties, they have strong suction. When the piston is pushed by air pressure in the cylinder, it drives the magnetic ring sleeve outside the cylinder to move together under the action of magnetic force. The thrust of the cylinder piston must be adapted to the suction of the magnetic ring.

[0047] The lifting cylinder 23 is a single-rod cylinder, which is composed of a cylinder barrel, an end cover, a piston, a piston rod and a seal. It refers to a cylindrical metal part that guides the piston to perform linear reciprocating motion in the cylinder. The air in the engine cylinder converts heat energy into mechanical energy through expansion; the gas in the compressor cylinder is compressed by the piston to increase the pressure.

[0048] The rodless cylinder 21 can drive the plurality of paddles 22 to move forward horizontally, and the lifting cylinder 23 can drive the paddles 22 to move up and down linearly. When the paddles 22 paddle the plate, they first move to the rear of the plate, and then the rodless cylinder 21 drives the paddles 22 to move forward horizontally for a certain distance, then move up and back to reset, move down again, and push the plate forward again.

[0049] The plate heating table 3 includes a table body 31, a baffle 32, a horizontal cylinder 33, and a heating rod. A heating rod is fixed in the table body 31. Two baffles 32 are slidably connected to the table body 31. Two horizontal cylinders 33 are fixed on the table body 31. The piston rods of the two horizontal cylinders 33 are respectively connected to the two baffles 32. A groove for passing the dial plate 22 is provided on the table body 31.

[0050] The heating rod heats the platform 31, and the plate can be continuously heated when it moves on the platform 31. The horizontal cylinder 33 can drive the baffle 32 to move horizontally, thereby adjusting the distance between the two baffles 32 to accommodate plates of different widths.

[0051] The panel temporary storage insulation box 4 includes a box body 41, a lifting platform 42, a platform lifting cylinder 43, and a heating rod. A heating rod is fixed in the box body 41, the lifting platform 42 is slidably connected in the box body 41, a platform lifting cylinder 43 is fixed in the box body 41, and the piston rod of the platform lifting cylinder 43 is fixed on the lifting platform 42.

[0052] After a plate is placed on the lifting platform 42, the platform lifting cylinder 43 drives the lifting platform 42 to descend a certain distance, and then another plate is placed on it, and the lifting platform 42 descends a certain distance to store the plates. The heating rod 1 can heat the box 41 to maintain the temperature of the internal plates.

[0053] The plate handling mechanism 5 comprises a two-axis manipulator and a suction cup 1, on which a plurality of suction cups 1 are fixed. The suction cup 1 is connected to a vacuum pump and is used to suck the plate.

[0054] The plate molding machine A 6 and the plate molding machine B 7 have the same structure, including a workbench, an upper mold, a lower mold, and an upper mold lifting cylinder. The lower mold is fixed on the table top of the workbench, and an upper mold lifting cylinder is arranged above the workbench. The upper mold is fixed on the piston rod of the upper mold lifting cylinder.

[0055] The defective product rejection mechanism 17 is a push plate driven by a cylinder.

[0056] The plate pushing mechanism 8 includes a horizontal linear module 81, a push rod 82, and a push rod rotating motor 83. The cylinder body of the horizontal linear module 81 is fixed to the side of the workbench, the push rod rotating motor 83 is fixed on the slide seat of the horizontal linear module 81, and the push rod 82 is fixed on the output shaft of the push rod rotating motor 83.

[0057] The horizontal linear module 81 can drive the push rod 82 to move horizontally, and the push rod rotating motor 83 can drive the push rod 82 to rotate horizontally. When the plate is to be pushed, the push rod 82 is initially parallel to the cylinder of the horizontal linear module 81. Then, after the push rod is moved to the rear of the plate, the push rod rotating motor 83 rotates the push rod 82 90 degrees, so that the push rod 82 is perpendicular to the cylinder of the horizontal linear module 81. In this way, the cylinder of the horizontal linear module 81 drives the push rod 82 to move horizontally toward the plate, so that the plate can be pushed forward.

[0058] The horizontal linear module 81 includes a synchronous belt type and a screw type. The working principle of the synchronous belt type is: the belt is installed on the transmission shaft on both sides of the linear module, which serves as the power input shaft, and a slider for adding equipment workpieces is fixed on the belt. When there is input, the slider moves by driving the belt. The working principle of the screw type is: the ball screw is an ideal product for converting rotary motion into linear motion, or converting linear motion into rotary motion. The ball screw consists of a screw, a nut and a ball. Its function is to convert rotational motion into linear motion, which is a further extension and development of the ball screw. The important significance of this development is to convert the bearing from rolling motion to sliding motion. Due to its small friction resistance, ball screws are widely used in various industrial equipment and precision instruments. High-precision linear motion can be achieved under high load conditions.

[0059] The plate output station 9 is a double-belt belt conveyor. The belt conveyor is a friction-driven machine that transports materials in a continuous manner. It is mainly composed of a frame, a conveyor belt, rollers, a roller, a tensioning device, a transmission device, etc. It can form a material conveying process from the initial feeding point to the final unloading point on a certain conveying line. It can convey both bulk materials and finished items. In addition to pure material transportation, it can also cooperate with the requirements of the process in the production process of various industrial enterprises to form a rhythmic flow operation transportation line.

[0060] The panel removal mechanism 10 comprises a multi-axis robot and a suction cup 2, and a plurality of suction cups 2 are fixed on the multi-axis robot.

[0061] The second suction cup is a vacuum suction cup.

[0062] The plate rotating mechanism 13 includes a driving cylinder 131 and a rotating disk 132 with a suction cup arranged on the movable end of the driving cylinder 131 and rotatable around the movable end of the cylinder. A round rack 133 is arranged inside the rotating disk 132. A fixed disk 134 fixedly connected to the movable end of the cylinder is also arranged on the movable end of the driving cylinder 131 and above the rotating disk 132. A motor is fixedly arranged on the fixed disk 134. The motor drives a pinion 135 meshing with the round rack 133. The rotating disk 132 is driven to rotate by the rotation of the pinion 135, so that the rotating disk 132 can rotate 180° with the plate.

[0063] The plate stacking mechanism 14 includes a frame 141 and two lifting mechanisms arranged in the frame 141 and located on the left and right sides of the frame. Each lifting mechanism includes a vertically arranged screw rod 142 driven by a motor to rotate. A nut sleeve is sleeved on the screw rod 142. A guide rod 143 parallel to the screw rod 142 is respectively arranged on both sides of the screw rod 142. A supporting cross plate 144 penetrating the two guide rods is fixedly connected to the nut sleeve. The two supporting cross plates 144 on the two lifting mechanisms are connected together by a connecting plate in the middle to form a plate supporting plate 145, which can be passed through By rotating the screw rod 142 as needed, the nut sleeve moves up and down with the plate supporting plate 145 to stack the plates; next to the plate supporting plate 145, there are left and right fixed blocks 146 and left and right push blocks 147 for positioning the plates, the left and right fixed blocks 146 and the left and right push blocks 147 are arranged opposite to each other, the left and right push blocks 147 are driven by cylinders, the plates fall from the plate rotating output table onto the plate supporting plate 145, and the left and right fixed blocks 146 and the left and right push blocks 147 cooperate to push the plates into position so that they reach the correct stacking position.

[0064] The control method of the plate heat exchanger plate automatic processing lamination system comprises the following steps in sequence:

[0065] (1) The plates are placed on the plate heating table 3 in sequence for heating, and the plate horizontal shifting mechanism 2 drives the plates to move horizontally on the plate heating table 3 until the plates are pushed into the plate temporary storage and insulation box 4;

[0066] (2) The panel transport mechanism 5 transports the panels from the panel temporary storage and insulation box 4 to the workbench located at the front end of the panel molding machine A. The panel pushing mechanism 8 pushes the panels on the workbench horizontally to the molding stations of the panel molding machine A 6 and the panel molding machine B 7. 7. Pressing the plate into shape; wherein, when the plate structures of the plate heat exchangers to be produced are the same but the directions are different when stacking, that is, one plate is placed upright and the other needs to be placed after being rotated 180°, the mold shapes on the plate molding machine A and the plate molding machine B are set to be the same so that the plate molding machine A and the plate molding machine B work at the same time to produce two identical plates at the same time; when the plate structures of the plate heat exchangers to be produced are at different intervals, that is, A plate and B plate respectively, the mold shapes on the plate molding machine A and the plate molding machine B are set to be the same as the shapes of the required plates, respectively, so as to produce the required plates arranged in sequence;

[0067] (3) The plate removal mechanism 10 moves the molded plates to the plate output platform 9 in sequence, and the plate output platform 9 transports the plates forward in sequence to the bottom of the camera module 11. The camera module 11 transmits the plate image to the PLC, and the PLC determines whether the plate is qualified. If it is qualified, it enters the next process. If it is unqualified, it is rejected by the defective rejection mechanism 17;

[0068] When the plate heat exchangers to be produced have different structural spacings, i.e., plate A and plate B, corresponding identification marks are set on both plate A and plate B for PLC identification. The standard for PLC to judge whether the plate is qualified is set as follows:

[0069] The correct arrangement order of qualified panels output by the PLC is set to A-B-A-B... so that the panels at the back end can be stacked correctly; when the PLC detects that the panel located below the camera module 11 is B, but the B panel is unqualified, it will wait until a qualified B panel is detected before running the next cycle, that is, if a B panel is needed, if an A panel is received, it will be discarded regardless of whether it is qualified; if a B panel is received but is unqualified, it will be discarded; if a B panel is received and is qualified, the next cycle will be run normally;

[0070] (4) Qualified plates enter the plate transfer output table 12;

[0071] When the plates of the plate heat exchanger to be produced have the same structure and are all A plates, but are in different directions when stacked, that is, one plate is placed upright and the other needs to be placed after being rotated 180°, the plate rotating mechanism 13 above the plate rotating output table 12 works to rotate the plates 180° at intervals, and then transport them one by one for stacking, so as to stack the plates correctly in the order of A plate-(-A plate)-A plate-(-A plate)...;

[0072] When the plate structures of the plate heat exchanger to be produced have different spacings, the plate rotating mechanism 13 above the plate horizontal output platform 12 does not work, and the plates are directly transported to be stacked in sequence, so as to perform the correct plate stacking in the order of A plate-B plate-A plate-B plate...;

[0073] (5) After the plates enter the plate stacking mechanism 14, they are stacked in sequence. During stacking, a sealing gasket or solder film is placed between every two plates according to the production requirements of the plate heat exchanger by the sealing gasket / solder film placing robot 19. That is, when the plate group of a detachable plate heat exchanger is produced, a sealing gasket is placed in the middle, and when the plate group of a welded plate heat exchanger is produced, a solder film is placed in the middle;

[0074] (6) When the number of stacked plates required for the production of the plate heat exchanger is sufficient, the unloading robot 15 takes the stacked plates out of the plate stacking mechanism 14 and places them on the unloading conveyor belt 16 for transportation to the next production process.

[0075] That is, the main production process of the plate heat exchanger plate automatic processing lamination system of the present invention is:

[0076] The plate heating table is used to heat the plate before molding, and the plate horizontal toggle mechanism is used to push the plate on the plate heating table forward. Several plates are temporarily stored and insulated in the plate temporary storage and insulation box, and the plate pushing mechanism is used to push the plate to the molding station, and the plate molding machine A and the plate molding machine B complete the molding of the plate. The molded plate is transported to other stations through the plate output table, and the camera module cooperates with the PLC to determine whether the plate is qualified. Qualified plates enter the plate rotation output table; when the plate structures of the plate heat exchangers to be produced are the same and are all A plates, but the directions are different when stacking, that is, one plate is placed upright and the other needs to be rotated 180° before being placed, the plate rotation mechanism above the plate rotation output table works, rotates the plates 180° at intervals, and then transports them one by one to stack, so as to arrange them in the order of A plate - (-A plate) - A sheet - (-A sheet) ... are correctly stacked; when the plate structures of the plate heat exchanger to be produced are at different intervals, the plate rotating mechanism above the plate rotary output table does not work, and the plates are directly transported to stack in sequence, so as to perform the correct plate stacking in the order of A sheet - B sheet - A sheet - B sheet ...; after the plates enter the plate stacking mechanism, they are stacked in sequence. During stacking, a sealing gasket or solder film is placed between every two plates by a sealing gasket / solder film placing robot according to the production requirements of the plate heat exchanger, that is, when a detachable plate heat exchanger plate group is produced, a sealing gasket is placed in the middle, and when a welded plate heat exchanger is produced, a solder film is placed in the middle; when the number of stacked plates required for the production of the plate heat exchanger is sufficient, the discharging robot takes the stacked plates out of the plate stacking mechanism, and then puts them on the discharging conveyor belt to be transported to the next production process.

[0077] The plate heat exchanger plate automatic processing and stacking system of the present invention has an ingenious structure and automatically completes the heating, temporary storage and insulation, molding, quality screening and stacking of plates, thereby realizing full automation of plate molding and stacking, improving the processing and stacking efficiency of plates, and can be used for the production and stacking of plates with different structures, and is also suitable for the flexible switching production of detachable plate heat exchangers and welded plate heat exchangers. It has good flexibility in use, saves time and labor, and has multiple uses for one machine, which greatly saves equipment cost and floor space. It is extremely practical and worthy of promotion.

Claims

1. A plate heat exchanger plate automatic processing lamination system, characterized in that: The invention comprises a frame (1), a plate horizontal toggle mechanism (2), a plate heating table (3), a plate temporary storage and insulation box (4), a plate transport mechanism (5), a plate molding machine A (6), a plate molding machine B (7), a plate pushing mechanism (8), a plate output table (9), a plate removal mechanism (10), a camera module (11), a defective product collection frame (18), a defective product rejection mechanism (17), a plate horizontal rotation output table (12), a plate rotation mechanism (13), a plate stacking mechanism (14), a sealing gasket / solder film placement robot (19), a discharging robot (15) and a discharging conveyor belt (16), wherein the frame (1) is provided with a plate horizontal toggle mechanism (2) for horizontally pushing the plate on the plate heating table (3). 2) a plate transport mechanism (5) for transferring plates to different workstations, a plate heating table (3) for heating the plates is provided below the plate horizontal shifting mechanism (2), a plate temporary storage and insulation box (4) for storing and keeping the plates warm is provided on one side of the plate heating table (3), a plate molding machine A (6) and a plate molding machine B (7) for molding the plates are provided on one side of the plate temporary storage and insulation box (4), the shapes of the molds on the plate molding machine A and the plate molding machine B are set to be the same or different as required, a plate pushing mechanism (8) for pushing the plates to the molding position is installed next to the plate molding machine A (6) and the plate molding machine B (7), and a plate pushing mechanism (8) for pushing the plates to the molding position is provided on the rear end side of the plate molding machine B (7) A panel output table (9) is sent to other workstations. A panel removal mechanism (10) is provided above the panel output table (9) for transporting panels from panel molding machine A (6) and panel molding machine B (7) to the panel output table (9). A camera module (11) is provided above the panel output table (9) for capturing images of panel appearance. Two side surfaces of the panel output table (9) are provided with a defective product collection frame (18) and a defective product rejection mechanism (17), respectively, so that when the product detected by the camera module (11) does not meet the requirements, the product can be removed in time. A panel rotation output table (12) is installed at the discharge end of the panel output table (9). A plate rotation output table (12) is provided above the panel rotation output table (12) for rotating the panel plane by 180 degrees. A plate rotating mechanism (13) is provided at the discharge end of the plate horizontal rotating output platform (12), and the plate stacking mechanism (14) is used to stack the delivered plates in sequence to form a heat exchange body of the heat exchanger; next to the plate stacking mechanism (14), a sealing gasket / solder film placing robot (19) is provided for placing sealing gaskets on the plates placed in the plate stacking mechanism (14); next to the sealing gasket / solder film placing robot (19), a sealing gasket / solder film loading platform (20) is provided; at the rear end of the plate stacking mechanism (14), a discharging robot (15) is provided for taking out the plates that have been stacked as required; next to the discharging robot (15), a discharging conveyor belt (16) is also provided in coordination;The plate horizontal shifting mechanism (2), the plate heating table (3), the plate temporary storage and insulation box (4), the plate transporting mechanism (5), the plate molding machine A (6) and the plate molding machine B (7), the plate pushing mechanism (8), the plate output table (9), the plate removal mechanism (10), the camera module (11), the defective product rejection mechanism (17), the plate horizontal rotation output table (12), the plate rotation mechanism (13), the plate stacking mechanism (14), the sealing gasket / solder film placement robot (19), the discharge robot (15), and the discharge conveyor belt (16) are all electrically connected to a PLC, and the camera module (11) is a CCD camera; the plate horizontal shifting mechanism (2) includes a rodless cylinder ( 21), a paddle (22), a lifting cylinder (23), and a guide rod (24); a plurality of guide rods (24) are fixed on the cylinder body of the rodless cylinder (21); the guide rods (24) pass through the guide holes on the frame (1); the cylinder body of the lifting cylinder (23) is fixed on the frame (1); the piston rod of the lifting cylinder (23) is fixed on the cylinder body of the rodless cylinder (21); and a plurality of paddles (22) are fixed on the slide seat of the rodless cylinder (21) in sequence; the plate heating table (3) comprises a table body (31), a baffle (32), a horizontal cylinder (33), and a heating rod; a heating rod is fixed in the table body (31); two baffles (32) are slidably connected to the table body (31); and two The horizontal cylinder (33) has piston rods connected to the two baffles (32) respectively, and the platform (31) is provided with a groove for passing the paddle (22); the plate rotating mechanism (13) comprises a driving cylinder (131) and a rotating disk (132) with a suction cup arranged on the movable end of the driving cylinder (131) and rotatable around the movable end of the cylinder, wherein a round rack (133) is arranged in the rotating disk (132); a fixed disk (134) fixedly connected to the movable end of the cylinder is also arranged on the movable end of the driving cylinder (131) and above the rotating disk (132); a motor is fixedly arranged on the fixed disk (134), and the motor drives a rotating device connected to the movable end of the cylinder. The plate stacking mechanism (14) comprises a frame (141) and two lifting mechanisms arranged in the frame (141) and located on the left and right sides of the frame, each lifting mechanism comprising a vertically arranged screw rod (142) driven to rotate by a motor, a nut sleeve being sleeved on the screw rod (142), two guide rods (143) parallel to the screw rod (142) being respectively arranged on both sides of the screw rod (142), a supporting cross plate (144) penetrating the two guide rods being fixedly connected to the nut sleeve, and the two supporting cross plates (144) on the two lifting mechanisms are connected together by a connecting plate in the middle to form a plate supporting plate (145);Next to the plate supporting plate (145), there are also left and right fixing blocks (146) and left and right pushing blocks (147) for positioning the plate. The left and right fixing blocks (146) and the left and right pushing blocks (147) are arranged opposite to each other, and the left and right pushing blocks (147) are driven by cylinders. ; 2. The plate heat exchanger plate automatic processing lamination system according to claim 1 is characterized in that: The panel temporary storage insulation box (4) comprises a box body (41), a lifting platform (42), a platform lifting cylinder (43), and a heating rod. A heating rod is fixed in the box body (41). The lifting platform (42) is slidably connected in the box body (41). A platform lifting cylinder (43) is fixed in the box body (41). The piston rod of the platform lifting cylinder (43) is fixed on the lifting platform (42).

3. The plate heat exchanger plate automatic processing lamination system according to claim 1 is characterized in that: The plate handling mechanism (5) comprises a two-axis manipulator and a suction cup, and a plurality of suction cups are fixed on the two-axis manipulator.

4. The plate heat exchanger plate automatic processing lamination system according to claim 1 is characterized in that: The plate molding machine A (6) and the plate molding machine B (7) have the same structure, including a workbench, an upper die, a lower die, and an upper die lifting cylinder. The lower die is fixed on the workbench surface, an upper die lifting cylinder is provided above the workbench, and the upper die is fixed on the piston rod of the upper die lifting cylinder.

5. The plate heat exchanger plate automatic processing lamination system according to claim 4 is characterized in that: The plate pushing mechanism (8) comprises a horizontal linear module (81), a push rod (82), and a push rod rotating motor (83); the cylinder body of the horizontal linear module (81) is fixed to the side of the workbench; the push rod rotating motor (83) is fixed to the slide seat of the horizontal linear module (81); and the push rod (82) is fixed to the output shaft of the push rod rotating motor (83).

6. The control method of the plate heat exchanger plate automatic processing lamination system according to any one of claims 1 to 5, characterized in that: The following steps are included in sequence: (1) The plates are placed on the plate heating table (3) in sequence for heating, and the plate horizontal shifting mechanism (2) drives the plates to move horizontally on the plate heating table (3) until the plates are pushed into the plate temporary storage insulation box (4); (2) The plate transporting mechanism (5) transports the plate from the plate temporary storage and insulation box (4) to the workbench located at the front end of the plate molding machine A, and the plate pushing mechanism (8) pushes the plate on the workbench horizontally to the molding stations of the plate molding machine A (6) and the plate molding machine B (7), respectively, and the plate molding machine A (6) and the plate molding machine B (7) mold the plate into shape; wherein, when the structures of the plates of the plate heat exchanger to be produced are the same but the directions are different when they are stacked, that is, a plate When one needs to be placed upright and the other needs to be placed after being rotated 180° horizontally, the mold shapes on the plate molding machine A and the plate molding machine B are set to be the same so that the plate molding machine A and the plate molding machine B can work simultaneously to produce two identical plates at the same time; when the plate structures of the plate heat exchanger to be produced are different, that is, A plate and B plate respectively, the mold shapes on the plate molding machine A and the plate molding machine B are set to be the same as the shapes of the required plates, so as to produce the required plates arranged in sequence; (3) The plate removal mechanism (10) moves the molded plates to the plate output platform (9) in sequence. The plate output platform (9) transports the plates forward in sequence to the bottom of the camera module (11). The camera module (11) transmits the plate image to the PLC. The PLC determines whether the plate is qualified. If it is qualified, it enters the next process. If it is unqualified, it is rejected by the defective rejection mechanism. When the plate heat exchangers to be produced have different structural spacings, i.e., plate A and plate B, corresponding identification marks are set on both plate A and plate B for PLC identification. The standard for PLC to judge whether the plate is qualified is set as follows: The correct arrangement order of qualified panels output by the PLC is set to A-B-A-B... so that the back-end panels can be stacked correctly; when the PLC detects that the panel under the camera module is B, but the B panel is unqualified, it will wait until a qualified B panel is detected before running the next cycle, that is, if B panel is needed, if A panel is received, it will be discarded regardless of whether it is qualified; if B panel is received but unqualified, it will be discarded; if B panel is received and qualified, it will run the next cycle normally; (4) Qualified plates enter the plate horizontal output table (12); When the plates of the plate heat exchanger to be produced have the same structure and are all A plates, but are in different directions when stacked, that is, one plate is placed upright and the other needs to be placed after being rotated 180 degrees, the plate rotating mechanism (13) above the plate rotating output table (12) works to rotate the plates 180 degrees at intervals, and then transport them one by one for stacking, so as to stack the plates correctly in the order of A plate-(-A plate)-A plate-(-A plate)...; When the plate structures of the plate heat exchangers to be produced have different spacings, the plate rotating mechanism (13) above the plate horizontal rotating output platform (12) does not work, and the plates are directly transported to be stacked in sequence, so as to perform the correct plate stacking in the order of A plate - B plate - A plate - B plate ...; (5) After the plates enter the plate stacking mechanism (14), they are stacked in sequence. During the stacking, a sealing gasket or solder film is placed between every two plates by a sealing gasket / solder film placing robot (19) according to the production requirements of the plate heat exchanger. That is, when a detachable plate heat exchanger is produced, a sealing gasket is placed in the middle, and when a welded plate heat exchanger is produced, a solder film is placed in the middle; (6) When the number of stacked plates required for the production of the plate heat exchanger is sufficient, the unloading robot (15) takes the stacked plates out of the plate stacking mechanism (14) and places them on the unloading conveyor belt (16) to be transported to the next production process.

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