Progressive pot body automatic stretching forming process and device thereof

Abstract

The invention provides a progressive pot body automatic stretching forming process and a device thereof. In the reproduction process of existing cookware, a blank is subjected to die-casting and stretching and then is integrally formed, the conditions of cracking, scratching and the like caused by too fast stretching are inevitably generated in the machining process of the existing cookware, and therefore the pot body can be better subjected to stretching forming machining. The forming device comprises a second rack, a forming groove is formed in the center of the second rack, a second rotating motor is vertically installed in the center of the forming groove, a lower die is installed on an output shaft of the second rotating motor, a plurality of sets of electric control hydraulic rods are vertically installed beside the forming groove, and the rod portions of the electric control hydraulic rods are connected with second installing pieces. A fixing part used for fixing a material plate is installed in the center of the bottom of the second installation part, the fixing part is rotationally installed on the second installation part through a rotating structure and coaxially opposite to the lower die, a second push rod motor is arranged beside the fixing part and vertically and downwards installed on the second installation part, and the second push rod motor is arranged on the second installation part. An upper die corresponding to the lower die is installed on the rod portion of the second push rod motor. A whole set of automatic structure equipment is arranged, and a vertical progressive spinning structure is adopted in a stretching forming part, so that the conditions of cracking, scratching and the like caused by too fast stretching can be effectively avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of cookware production, and relates to a progressive automatic stretching forming process for a cooker body and a device thereof. Background Art

[0002] Cookware refers to various utensils for cooking food or boiling water. According to their functions, they are divided into pressure cookers, frying pans, woks, soup pots, steamers, milk pots, rice cookers, multi-function pots, etc.; according to their materials, they are divided into stainless steel pots, iron pots, aluminum pots, casseroles, copper pots, enamel pots, non-stick pots, composite material pots, etc. In the existing cookware reproduction process, the blank is die-cast and stretched and then integrally formed. In the process of its processing, it is inevitable that cracks and scratches will occur due to excessive stretching. Therefore, in order to better stretch the pot body, it is necessary to design a progressive pot body automatic stretching forming process and device. Summary of the invention

[0003] The purpose of the present invention is to solve the above problems in the prior art and to propose a progressive pot body automatic stretching forming process and a device thereof.

[0004] The object of the present invention can be achieved by the following technical scheme: a progressive pot body automatic stretching forming process and a device thereof, characterized in that the progressive pot body automatic stretching forming process comprises the following steps:

[0005] S1: Raw material preparation: Cut the material sheet into circular sheets of specified size through the cutting device, and trim and clean the sides;

[0006] S2: Plate preheating: The cut plate is input into the preheating device through the transfer robot arm, and preheated between 500-800℃ according to the material of the plate;

[0007] S3: stretch forming: the preheated steel plate is placed on the forming device through the transfer robot arm and subjected to progressive spinning forming;

[0008] S4: Annealing: The formed pot is sent to the annealing device through the transfer robot to eliminate internal stress;

[0009] S5: Post-processing: After annealing, the pot is transported to the post-processing device through a transfer robot arm to perform trimming and polishing on the pot surface.

[0010] The cutting device includes a frame, a conveyor belt is arranged on the frame, placement grooves for positioning and placing material plates are opened on the frame on both sides of the conveyor belt, a guide groove is arranged on the outer side of the placement groove, a mounting frame is slidably installed on the guide groove through a linear motor structure, a push rod motor is vertically installed at the middle position of the mounting frame, a mounting plate is installed at the end of the push rod motor, a rotating motor is vertically installed downward on the mounting plate, the output shaft of the rotating motor is connected to a swing rod, a guide groove is arranged on the swing rod, a mounting component is installed in the guide groove through a linear motor structure, and a laser cutting device is fixedly installed on the mounting component.

[0011] With the above structure, the movement of the laser cutting device is controlled by the linear motor structure 2 to obtain the specified cutting radius, and the laser cutting device is controlled to rotate by the rotary motor 1 to complete the circular cutting of the material plate. At the same time, the linear motor structure 1 controls the horizontal movement of the laser cutting device to cut the material plate. According to the thickness of the material plate, the cutting depth is controlled by the push rod motor 1. After cutting, the circular plate falls into the conveyor belt and is transported to subsequent processing.

[0012] The forming device includes a frame two, a forming groove is provided at the center position of the frame two, a rotating motor is vertically installed at the center position of the forming groove, a lower mold is installed on the output shaft of the rotating motor two, a plurality of sets of electric-controlled hydraulic rods are vertically installed beside the forming groove, the rod part of the electric-controlled hydraulic rod is connected with a mounting part two, a fixing part for fixing the material plate is installed at the bottom center position of the mounting part two, the fixing part is rotatably installed on the mounting part two through a rotating structure, and the fixing part is coaxially opposite to the lower mold, a push rod motor two is provided next to the fixing part, the push rod motor two is vertically downwardly installed on the mounting part two, and an upper mold corresponding to the lower mold is installed on the rod part of the push rod motor two.

[0013] With the above structure, after the material plate and the lower mold are fixed by controlling the fixing parts through the electric-controlled hydraulic rod, the second rotating motor is started to drive the material plate to rotate, and at the same time, the second push rod motor is started to control the upper mold to press down at a uniform speed, cooperating with the lower mold for stretching forming.

[0014] A suction cup chuck is installed at the end of the transfer robot arm arranged between the cutting device and the forming device. The suction cup chuck includes a second mounting frame, an electric-controlled suction cup is installed on the second mounting frame, and an infrared positioning device is installed on the top of the electric-controlled suction cup.

[0015] With the above structure, the material plate is positioned upwards by an infrared positioning device, and is sucked by an electric-controlled suction cup for transfer.

[0016] The post-processing device comprises a frame three, a grinding groove is arranged at the center position of the frame three, a rotating motor three is vertically installed at the center position of the grinding groove, a fixed mold corresponding to the cookware is installed on the output shaft of the rotating motor three, an internal caliper structure is arranged on the surface of the fixed mold, a polishing mechanism is slidably installed on the side of the grinding groove through a push rod motor three, the polishing mechanism comprises a mounting member three, a grinding wheel one is rotatably installed on the mounting member three, one end of the grinding wheel one is rotatably connected to the mounting member three, the other end of the grinding wheel one is connected to the output shaft of the driving motor one through a pulley structure, the driving motor one is installed in the mounting member three, the mounting member three is fixed to the rod portion of the push rod motor three, a trimming mechanism is arranged below the fixed mold, the trimming mechanism comprises a push rod motor four, the push rod motor four is vertically installed upward at the bottom of the grinding groove, a mounting member four is installed on the rod portion of the push rod motor four, a grinding wheel two is rotatably installed on the mounting member four, one end of the grinding wheel two is rotatably connected to the mounting member four, the other end of the grinding wheel two is connected to the output shaft of the driving motor two, and the driving motor two is installed in the mounting member four.

[0017] With the above structure, after the pot to be polished is fixed on the fixed mold through the internal caliper structure, the polishing mechanism is driven to polish the side of the pot, and the trimming mechanism is driven to polish the edge of the pot. During this period, the pot is controlled to rotate by the rotating motor three, so that the pot can be trimmed and polished at the same time.

[0018] A fork arm chuck is installed at the end of the transfer robot arm arranged between the forming device and the post-processing device. The fork arm chuck includes a mounting frame three, and an electric-controlled fork arm is installed on the mounting frame three.

[0019] With the above structure, the outer ring of the pot body is clamped by the electrically controlled fork arm for transportation.

[0020] The mounting member 4 is provided with a material guide trough.

[0021] With the above structure, the debris generated by grinding is guided out through the guide trough, thereby preventing the debris generated by grinding from accumulating.

[0022] Compared with the prior art, the present progressive pot body automatic stretching forming process and the device thereof have the following advantages: the present invention sets up a complete set of automated structural equipment and adopts a vertical progressive spinning structure in the stretching forming part, which can effectively avoid cracking and scratches caused by excessive stretching. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the cutting device in the present invention.

[0024] Figure 2 It is a schematic diagram of the main working structure of the cutting device in the present invention.

[0025] Figure 3 It is a structural schematic diagram of the molding device in the present invention.

[0026] Figure 4 It is a structural schematic diagram of the post-processing device in the present invention.

[0027] Figure 5 It is a partial enlarged view of point A in the present invention.

[0028] Figure 6 It is a structural schematic diagram of the suction cup chuck in the present invention.

[0029] Figure 7 It is a structural schematic diagram of the fork arm chuck in the present invention.

[0030] In the figure, 1, frame 1; 1a, placement slot; 2, conveyor belt; 3, guide slot 1; 4, mounting frame 1; 5, push rod motor 1; 6, mounting plate; 7, rotating motor 1; 8, swing rod; 9, guide slot 2; 10, mounting part 1; 11, laser cutting device; 12, frame 2; 13, rotating motor 2; 14, lower mold; 15, electric control hydraulic rod; 16, mounting part 2; 17, fixing part; 18, push rod motor 2; 19, upper mold; 20, mounting Mounting frame two; 21. Electric-controlled suction cup; 22. Infrared positioning device; 23. Rack three; 24. Rotating motor three; 25. Fixed mold; 25a. Internal caliper structure; 26. Push rod motor three; 27. Mounting piece three; 28. Pulley structure; 29. ​​Grinding wheel one; 30. Drive motor one; 31. Push rod motor four; 32. Mounting piece four; 33. Grinding wheel two; 34. Drive motor two; 35. Mounting frame three; 36. Electric-controlled fork arm; 37. Material guide trough. DETAILED DESCRIPTION

[0031] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0032] like Figure 1-7 As shown, the progressive pot body automatic stretching forming process and device thereof, the progressive pot body automatic stretching forming process comprises the following steps:

[0033] S1: Raw material preparation: Cut the material sheet into circular sheets of specified size through the cutting device, and trim and clean the sides;

[0034] S2: Plate preheating: The cut plate is input into the preheating device through the transfer robot arm, and preheated between 500-800℃ according to the material of the plate;

[0035] S3: stretch forming: the preheated steel plate is placed on the forming device through the transfer robot arm and subjected to progressive spinning forming;

[0036] S4: Annealing: The formed pot is sent to the annealing device through the transfer robot to eliminate internal stress;

[0037] S5: Post-processing: After annealing, the pot is transported to the post-processing device through a transfer robot arm to perform trimming and polishing on the pot surface.

[0038] The preheating device and the annealing device in the present invention both adopt existing box-type heating equipment.

[0039] The transfer robot arms used in the present invention are all existing products.

[0040] The cutting device includes a frame 1, on which a conveyor belt 2 is arranged, and placement grooves 1a for positioning and placing material plates are opened on the frame 1 on both sides of the conveyor belt 2, and guide grooves 3 are arranged outside the placement grooves 1a, and a mounting frame 4 is slidably installed on the guide grooves 3 through a linear motor structure, and a push rod motor 5 is vertically installed at the middle position of the mounting frame 4, and a mounting plate 6 is installed at the end of the push rod motor 5, and a rotating motor 7 is vertically installed downward on the mounting plate 6, and the output shaft of the rotating motor 7 is connected to a swing rod 8, and a guide groove 2 9 is arranged on the swing rod 8, and a mounting part 10 is installed in the guide groove 29 through a linear motor structure 2, and a laser cutting device 11 is fixedly installed on the mounting part 10.

[0041] The working principle of the cutting device: the linear motor structure 2 is used to control the movement of the mounting part 10 to confirm the cutting radius, and then the push rod motor 5 is used to move the laser cutting device 11 to the position above the material plate, and the rotating motor 7 is started to control the laser cutting device 11 to cut the material plate. During this period, the cutting device is controlled to move horizontally through the linear motor structure 1.

[0042] The linear motor structure 1 and the linear motor structure 2 in the present invention are existing linear motor structures.

[0043] The laser cutting device 11 in the present invention adopts an existing product for cutting metal plates.

[0044] The molding device includes a frame 12, a molding groove is provided at the center position of the frame 12, a rotating motor 13 is vertically installed at the center position of the molding groove, a lower mold 14 is installed on the output shaft of the rotating motor 13, and multiple groups of electric-controlled hydraulic rods 15 are vertically installed beside the molding groove. The rod part of the electric-controlled hydraulic rod 15 is connected with a mounting part 16, and a fixing part 17 for fixing the material plate is installed at the bottom center position of the mounting part 16. The fixing part 17 is rotatably installed on the mounting part 16 through a rotating structure, and the fixing part 17 is coaxially opposite to the lower mold 14. A push rod motor 18 is provided next to the fixing part 17. The push rod motor 18 is vertically downwardly installed on the mounting part 16, and an upper mold 19 corresponding to the lower mold 14 is installed on the rod part of the push rod motor 18.

[0045] The working principle of the forming device is as follows: after placing the material sheet at the corresponding position on the lower mold 14, contract the electrically controlled hydraulic rod 15 so that the fixing part 17 fixes the material sheet and the lower mold 14, and then the material sheet is driven to rotate by the rotating motor 13, and at the same time, the upper mold 19 is pressed down by the push rod motor 18 to cooperate with the lower mold 14 to realize calendering and stretching forming.

[0046] In the present invention, both the upper mold 19 and the lower mold 14 are installed in a detachable structure, which is convenient for replacing different molds.

[0047] The rotating structure in the present invention adopts the existing bearing rotating structure.

[0048] In the present invention, four electrically controlled hydraulic rods 15 are specifically provided.

[0049] A suction cup chuck is installed at the end of the transfer robot arm arranged between the cutting device and the forming device. The suction cup chuck includes a mounting frame 20, on which an electric control suction cup 21 is installed. An infrared positioning device 22 is installed on the top of the electric control suction cup 21.

[0050] In the present invention, the electric-controlled suction cup 21 and the infrared positioning device 22 are existing products.

[0051] In a specific embodiment, an identification structure that cooperates with the infrared positioning device 22 will be provided on the device.

[0052] The post-processing device includes a frame 23, a grinding groove is provided at the center of the frame 23, a rotating motor 24 is vertically installed at the center of the grinding groove, a fixed mold 25 corresponding to the pot is installed on the output shaft of the rotating motor 24, an inner caliper structure 25a is provided on the surface of the fixed mold 25, a polishing mechanism is slidably installed on the side of the grinding groove through a push rod motor 26, and the polishing mechanism includes a mounting member 27, a grinding wheel 29 is rotatably installed on the mounting member 27, one end of the grinding wheel 29 is rotatably connected to the mounting member 27, and the other end of the grinding wheel 29 is connected to the driving motor 1 through a pulley structure 28. 30 is connected to the output shaft, the driving motor 30 is installed in the mounting part 3 27, the mounting part 3 27 is fixed to the rod part of the push rod motor 3 26, and a trimming mechanism is arranged below the fixed mold 25, the trimming mechanism includes a push rod motor 4 31, the push rod motor 4 31 is vertically installed at the bottom of the grinding groove, the rod part of the push rod motor 4 31 is installed with a mounting part 4 32, a grinding wheel 2 33 is rotatably installed on the mounting part 4 32, one end of the grinding wheel 2 33 is rotatably connected to the mounting part 4 32, and the other end of the grinding wheel 2 33 is connected to the output shaft of the driving motor 2 34, and the driving motor 2 34 is installed in the mounting part 4 32.

[0053] The working principle of the post-processing device is as follows: the driving motor 30 drives the grinding wheel 29 to rotate under the transmission action of the pulley structure 28 to grind and polish the side of the pot, and the pushing rod motor 3 26 controls the grinding depth; the driving motor 2 34 controls the rotation of the grinding wheel 2 33 to trim the pot, and the pushing rod motor 4 31 controls the trimming depth; when the trimming mechanism and the polishing mechanism are working, the pot rotates at a constant speed under the action of the rotating motor 3 24.

[0054] The inner caliper structure 25a in the present invention is an existing structural product for fixing a tubular workpiece.

[0055] In the present invention, the fixed mold 25 is installed through a detachable structure, which is convenient for replacement.

[0056] In the present invention, both the grinding wheel 1 29 and the grinding wheel 2 33 are products for polishing and grinding metal parts.

[0057] In the present invention, the driving motor 1 30 and the driving motor 2 34 are specifically rotary motors.

[0058] A fork arm chuck is installed at the end of the transfer robot arm arranged between the forming device and the post-processing device. The fork arm chuck includes a mounting frame 35, and an electric control fork arm 36 is installed on the mounting frame 35.

[0059] In the present invention, the electric control fork arm 36 adopts an existing product.

[0060] A material guide groove 37 is provided on the mounting member 32.

[0061] In a specific embodiment, a collecting structure is provided at the outlet of the material guide chute 37 to collect debris.

[0062] In the present invention, each mechanism is connected and driven by the existing technology, and synchronous control is achieved through the control panel.

[0063] The above components are all common standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0064] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A progressive pot body automatic stretching forming process and device, characterized in that: The progressive pot body automatic stretching forming process The following steps are involved: S1: Raw material preparation: Cut the material sheet into circular sheets of specified size through the cutting device, and trim and clean the sides; S2: Plate preheating: The cut plate is input into the preheating device through the transfer robot arm, and preheated between 500-800℃ according to the material of the plate; S3: stretch forming: the preheated steel plate is placed on the forming device through the transfer robot arm and subjected to progressive spinning forming; S4: Annealing: The formed pot is sent to the annealing device through the transfer robot to eliminate internal stress; S5: Post-processing: After annealing, the pot is transported to the post-processing device through a transfer robot arm to perform trimming and polishing on the pot surface.

2. A progressive pot body automatic stretching forming process and device according to claim 1, characterized in that: The cutting device comprises a frame (1), a conveyor belt (2) is arranged on the frame (1), placement grooves (1a) for positioning and placing material plates are opened on the frame (1) on both sides of the conveyor belt (2), a guide groove (3) is arranged outside the placement groove (1a), a mounting frame (4) is slidably mounted on the guide groove (3) through a linear motor structure, a push rod motor (5) is vertically mounted at the middle position of the mounting frame (4), a mounting plate (6) is mounted at the end of the push rod motor (5), a rotating motor (7) is vertically mounted downward on the mounting plate (6), the output shaft of the rotating motor (7) is connected to a swing rod (8), a guide groove (9) is arranged on the swing rod (8), a mounting member (10) is mounted in the guide groove (9) through the linear motor structure, and a laser cutting device (11) is fixedly mounted on the mounting member (10).

3. The progressive pot body automatic stretching forming process and device according to claim 1, characterized in that: The molding device comprises a frame (12), a molding groove is arranged at the center of the frame (12), a rotating motor (13) is vertically installed at the center of the molding groove, a lower mold (14) is installed on the output shaft of the rotating motor (13), a plurality of groups of electric-controlled hydraulic rods (15) are vertically installed beside the molding groove, the rod portion of the electric-controlled hydraulic rod (15) is connected with a mounting member (16), a fixing member (17) for fixing the material plate is installed at the bottom center of the mounting member (16), the fixing member (17) is rotatably installed on the mounting member (16) through a rotating structure, and the fixing member (17) is coaxially opposite to the lower mold (14), a push rod motor (18) is arranged beside the fixing member (17), the push rod motor (18) is vertically downwardly installed on the mounting member (16), and an upper mold (19) corresponding to the lower mold (14) is installed on the rod portion of the push rod motor (18).

4. The progressive pot body automatic stretching forming process and device according to claim 1, characterized in that: A suction cup chuck is installed at the end of the transfer mechanical arm arranged between the cutting device and the forming device. The suction cup chuck includes a second mounting frame (20), an electric control suction cup (21) is installed on the second mounting frame (20), and an infrared positioning device (22) is installed on the top of the electric control suction cup (21).

5. The progressive pot body automatic stretching forming process and device according to claim 1, characterized in that: The post-processing device comprises a frame three (23), a grinding groove is arranged at the center of the frame three (23), a rotating motor three (24) is vertically installed at the center of the grinding groove, a fixed mold (25) corresponding to the cookware is installed on the output shaft of the rotating motor three (24), an inner caliper structure (25a) is arranged on the surface of the fixed mold (25), a polishing mechanism is slidably installed on the side of the grinding groove through a push rod motor three (26), and the polishing mechanism comprises a mounting member three (27), a grinding wheel one (29) is rotatably installed on the mounting member three (27), one end of the grinding wheel one (29) is rotatably connected to the mounting member three (27), and the other end of the grinding wheel one (29) is connected to the driving motor one (30) through a pulley structure (28). ) output shaft is connected, the driving motor 1 (30) is installed in the mounting member 3 (27), the mounting member 3 (27) is fixed to the rod portion of the push rod motor 3 (26), a trimming mechanism is arranged below the fixed mold (25), the trimming mechanism comprises a push rod motor 4 (31), the push rod motor 4 (31) is vertically mounted at the bottom of the grinding groove, the rod portion of the push rod motor 4 (31) is mounted with a mounting member 4 (32), a grinding wheel 2 (33) is rotatably mounted on the mounting member 4 (32), one end of the grinding wheel 2 (33) is rotatably connected to the mounting member 4 (32), the other end of the grinding wheel 2 (33) is connected to the output shaft of the driving motor 2 (34), the driving motor 2 (34) is installed in the mounting member 4 (32).

6. The progressive pot body automatic stretching forming process and device according to claim 1, characterized in that: A fork arm chuck is installed at the end of the transfer mechanical arm arranged between the molding device and the post-processing device. The fork arm chuck includes a mounting frame three (35), and an electric control fork arm (36) is installed on the mounting frame three (35).

7. The progressive pot body automatic stretching forming process and device according to claim 5, characterized in that: The mounting member 4 (32) is provided with a material guide groove (37).

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