Dish washing machine inner container forming and riveting device and control method thereof

Abstract

The invention relates to a dish-washing machine inner container forming riveting device and a control method thereof, and belongs to the technical field of dish-washing machine forming equipment, the dish-washing machine inner container forming riveting device comprises a supporting bottom plate, a positioning mechanism is arranged on the supporting bottom plate, a dish-washing machine inner container is arranged in the positioning mechanism, and a riveting assembly is arranged at the rear end of the positioning mechanism. The riveting assembly comprises a riveting seat capable of displacing and aligning, and a riveting head for riveting and forming the inner container of the dish-washing machine is arranged in the riveting seat. The positioning mechanism comprises a lifting tool, a limiting tool is arranged between the lifting tool and the dish-washing machine inner container, and a pressing tool which is fixedly connected with the lifting tool and connected with the dish-washing machine inner container in a pressing mode is arranged at the upper end of the dish-washing machine inner container. The device has the advantages of compact structure, high efficiency and good operation stability. The problem of automatic forming of the dish-washing machine liner is solved. A lifting tool, a riveting tool and a rotating tool are adopted for achieving the technological process of riveting forming of the dish washing machine inner container.

Description

Technical Field

[0001] The invention relates to the technical field of dishwasher molding equipment, and in particular to a dishwasher inner tank molding riveting device and a control method thereof. Background Art

[0002] Dishwashers are devices that automatically wash dishes such as bowls, chopsticks, plates, dishes, knives, forks, etc. Fully automatic dishwashers on the market can be divided into two categories: household and commercial. Household fully automatic dishwashers are only suitable for families, and they mainly include cabinet, tabletop, sink-integrated and integrated types. With the increasing consumption level of people, the work of washing dishes can be handed over to dishwashers, saving time.

[0003] In the current environment, there is a high demand for dishwasher inner tank, which is an important part of the dishwasher and the working space of the dishwasher. The quality of its forming and riveting will directly affect the quality of the whole dishwasher. Therefore, it is particularly important to improve the process performance of this station.

[0004] Among dishwasher devices, the inner tank of the dishwasher is the component that occupies the largest volume. The inner tank is usually made by bending sheet metal to form a structure with an opening on one side. The specific structure is processed according to the structure of the dishwasher. Summary of the invention

[0005] The present invention mainly solves the deficiencies in the prior art and provides a dishwasher liner forming riveting device and a control method thereof, which has the advantages of compact structure, high efficiency and good operation stability. The problem of automatic forming of the dishwasher liner is solved. The process of riveting and forming the dishwasher liner is realized by using a lifting tool, a riveting tool and a rotating tool.

[0006] The above technical problems of the present invention are mainly solved by the following technical solutions: A dishwasher liner forming riveting device comprises a supporting bottom plate, a positioning mechanism is arranged on the supporting bottom plate, a dishwasher liner is arranged in the positioning mechanism, and a riveting assembly is arranged at the rear end of the positioning mechanism. The riveting assembly comprises a riveting seat that can be displaced and aligned, and a riveting head for riveting the dishwasher liner is arranged in the riveting seat. The positioning mechanism comprises a lifting tool, a limiting tool is arranged between the lifting tool and the dishwasher liner, and a pressing tool fixedly connected to the lifting tool and pressed against the dishwasher liner is arranged at the upper end of the dishwasher liner.

[0007] Preferably, a rotating jig is provided at the front end of the lifting tooling, connecting slides are provided between the two sides of the lower end of the lifting tooling and the supporting base plate, a number of guide rails I which are slidably plugged in and locked with the supporting base plate are provided between the connecting slides and the supporting base plate, racks are provided on the inner sides of the connecting slides, and gear displacement motors which mesh with the racks and drive the lifting tooling to move forward and backward are provided on the connecting slides.

[0008] Preferably, the rotary metallurgy comprises a rotary support, a rotary motor is provided on the side of the rotary support, and a rotary top plate is provided on the upper end of the rotary motor.

[0009] Preferably, the lifting tooling comprises a pallet, a lifting motor is provided between the pallet and the connecting slide, guide columns extending from the upper end of the pallet are provided on both sides of the lifting motor, and a guide sleeve is provided between the guide column and the pallet.

[0010] Preferably, the clamping tool comprises a clamping frame fixedly connected to both ends of the support plate by screws, a clamping motor is arranged on the clamping frame, a clamping motor seat is arranged between the clamping motor and the clamping frame, and a clamping plate is arranged between the clamping motor and the inner tank of the dishwasher.

[0011] Preferably, the limiting fixture comprises a positioning plate which is fixed to the support plate by pressing the dishwasher inner tank with a pressing fixture, the positioning plate is provided with a plurality of pressing cylinders which are pressed with three surfaces of the dishwasher inner tank, and a limiting pressure plate is provided between the pressing cylinder and the dishwasher inner tank.

[0012] Preferably, the lower end of the riveted head is provided with a guide seat slidably connected to the riveted seat, and the rear end of the riveted seat is provided with a riveted telescopic cylinder for driving the riveted head to telescope and rivet. The lower end of the guide seat is provided with a riveted base plate, a transverse base plate is provided between the riveted base plate and the guide seat, a displacement adjustment cylinder for driving the guide seat to move forward and backward is provided below the riveted telescopic cylinder, a screw rod for driving the transverse base plate to move left and right is provided between the transverse base plate and the riveted base plate, a screw rod motor is provided at one end of the screw rod, and bearing seats for inserting and sleeve limiting with the screw rod are provided at the left and right ends of the riveted base plate, and sliders and guide rails II are provided between the guide seat and the riveted seat, between the guide seat and the transverse base plate, and between the transverse base plate and the riveted base plate.

[0013] Preferably, a plurality of rollers distributed in an array are provided at the lower end of the supporting base plate, and a frame is provided between the rollers and the supporting base plate.

[0014] A control method for a dishwasher inner tank forming riveting device includes the following steps: Step 1: Place the inner tank of the dishwasher on the limit fixture to fix it, and then press the fixture to press the upper and lower limits.

[0015] Step 2: The lifting tool is first lifted and translated to the top of the riveting assembly, and then the lifting tool is lowered so that the edge of the dishwasher inner tank to be riveted is placed between the riveting seat and the riveting head, and the riveting of one side of the dishwasher inner tank is completed under the displacement of the riveting assembly.

[0016] Step 3: The lifting tool is lifted and then moved to the rotating jig. When the limiting tool is placed on the rotating jig, the clamping tool is detached, and the lifting tool is retracted and lowered to detach the lifting tool from the limiting tool. The rotating jig is then rotated 90 degrees to complete the side change process.

[0017] Step 4: The lifting tool is lifted so that the lifting tool and the pressing tool complete the positioning and fixation of the limit tool and the inner tank of the dishwasher.

[0018] Step 5: The lifting tool is lifted and moved backward to the top of the riveting assembly to perform riveting and forming on the other side of the dishwasher inner tank. The side-changing and riveting processes are repeated to complete the forming and riveting process of the four sides of the dishwasher inner tank.

[0019] Preferably, the positioning mechanism provides power for forward and backward displacement by toothed engagement between a gear displacement motor and a rack, and performs displacement switching of rotation or riveting forming process along the guide rail I.

[0020] The present invention can achieve the following effects: The present invention provides a dishwasher liner forming riveting device and a control method thereof, which, compared with the prior art, has the advantages of compact structure, high efficiency and good operation stability. The problem of automatic forming of the dishwasher liner is solved. The process of riveting and forming the dishwasher liner is realized by using a lifting tool, a riveting tool and a rotating tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the top structure of the present invention.

[0022] Figure 2 It is a three-dimensional structural schematic diagram of the present invention.

[0023] Figure 3 It is a structural schematic diagram of the positioning mechanism of the present invention.

[0024] Figure 4 It is a structural schematic diagram of the position limiting tooling of the present invention.

[0025] Figure 5 It is a structural schematic diagram of the riveting assembly of the present invention.

[0026] In the figure: frame 1, riveting assembly 2, dishwasher liner 3, positioning mechanism 4, rack 5, guide rail I 6, rotating jig 7, supporting base plate 8, lifting tooling 9, clamping tooling 10, limiting tooling 11, roller 12, connecting slide plate 13, gear displacement motor 14, rotating motor 15, rotating support 16, rotating top plate 17, clamping frame 18, clamping motor seat 19, clamping motor 20, clamping plate 21, support plate 22, guide column 23, guide sleeve 24, lifting motor 25, clamping cylinder 26, limiting pressure plate 27, positioning plate 28, screw motor 29, riveting seat 30, riveting head 31, guide seat 32, riveting telescopic cylinder 33, slider 34, guide rail II 35, displacement adjustment cylinder 36, bearing seat 37, screw 38, transverse bottom plate 39, riveted bottom plate 40. DETAILED DESCRIPTION

[0027] The technical solution of the invention is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0028] Example: Figure 1-5 As shown, a dishwasher liner forming riveting device comprises a supporting base plate 8, and six rollers 12 arranged in an array are provided at the lower end of the supporting base plate 8, and a frame 1 is provided between the rollers 12 and the supporting base plate 8. A positioning mechanism 4 is provided on the supporting base plate 8, and a dishwasher liner 3 is provided in the positioning mechanism 4, and a riveting assembly 2 is provided at the rear end of the positioning mechanism 4. The riveting assembly 2 comprises a riveting seat 30 that can be displaced and aligned, and a riveting head 31 for riveting the dishwasher liner 3 is provided in the riveting seat 30. A guide seat 32 that is slidably connected to the riveting seat 30 is provided at the lower end of the riveting head 31, and a riveting telescopic cylinder 33 that drives the riveting head 31 to telescope and rivet is provided at the rear end of the riveting seat 30. A riveted base plate 40 is provided at the lower end of the guide seat 32, a transverse base plate 39 is provided between the riveted base plate 40 and the guide seat 32, a displacement adjustment cylinder 36 for driving the guide seat 32 to move forward and backward is provided below the riveted telescopic cylinder 33, a screw rod 38 for driving the transverse base plate 39 to move left and right is provided between the transverse base plate 39 and the riveted base plate 40, a screw motor 29 is provided at one end of the screw rod 38, bearing seats 37 which are inserted and sleeved and limited with the screw rod 38 are provided at the left and right ends of the riveted base plate 40, and sliders 34 and guide rails II 35 are provided between the guide seat 32 and the riveted seat 30, between the guide seat 32 and the transverse base plate 39, and between the transverse base plate 39 and the riveted base plate 40.

[0029] The positioning mechanism 4 includes a lifting fixture 9, which includes a support plate 22. A lifting motor 25 is provided between the support plate 22 and the connecting slide 13. Guide posts 23 extending from the upper end of the support plate 22 are provided on both sides of the lifting motor 25. A guide sleeve 24 is provided between the guide post 23 and the support plate 22. A limiting fixture 11 is provided between the lifting fixture 9 and the inner tank 3 of the dishwasher. The limiting fixture 11 includes a positioning plate 28 that is fixed to the support plate 22 by pressing the inner tank 3 of the dishwasher with a pressing fixture 10. Eight pressing cylinders 26 that are pressed against three surfaces of the inner tank 3 of the dishwasher are provided on the positioning plate 28. A limiting pressing plate 27 is provided between the pressing cylinder 26 and the inner tank 3 of the dishwasher. A clamping fixture 10 fixedly connected to the lifting fixture 9 and crimped to the dishwasher inner tank 3 is provided at the upper end of the dishwasher inner tank 3. The clamping fixture 10 includes a clamping frame 18 fixedly connected to both ends of a support plate 22 by screws. A clamping motor 20 is provided on the clamping frame 18. A clamping motor seat 19 is provided between the clamping motor 20 and the clamping frame 18. A clamping plate 21 is provided between the clamping motor 20 and the dishwasher inner tank 3.

[0030] The front end of the lifting fixture 9 is provided with a rotating fixture 7, which includes a rotating support 16, a rotating motor 15 is provided on the side of the rotating support 16, and a rotating top plate 17 is provided on the upper end of the rotating motor 15. Connecting slides 13 are provided between the lower sides of the lifting fixture 9 and the supporting bottom plate 8, and two guide rails Ⅰ6 are provided between the connecting slide 13 and the supporting bottom plate 8, which are inserted and slidably connected with the supporting bottom plate 8, and racks 5 are provided inside the connecting slides 13, and gear displacement motors 14 are provided on the connecting slides 13 to drive the lifting fixture 9 to move forward and backward in a meshing manner with the racks 5.

[0031] A control method for a dishwasher inner tank forming riveting device includes the following steps: The first step: place the dishwasher inner tank 3 on the limiting tooling 11 to fix it, and then press the tooling 10 to perform upper and lower limiting crimping.

[0032] Step 2: The lifting tool 9 is first lifted and translated to above the riveting assembly 2, and then the lifting tool 9 is lowered, so that the edge of the dishwasher inner tank 3 to be riveted is placed between the riveting seat 30 and the riveting head 31, and the single-sided riveting of the dishwasher inner tank 3 is completed under the displacement of the riveting assembly 2.

[0033] The positioning mechanism 4 provides the power for forward and backward displacement by toothed engagement between the gear displacement motor 14 and the rack 5, and performs rotation or displacement switching of the riveting forming process along the guide rail Ⅰ6.

[0034] Step 3: The lifting tool 9 is lifted and then moved to the rotating jig 7. When the limiting tool 11 is placed on the rotating jig 7, the pressing tool 10 is disengaged, and the lifting tool 9 is retracted and lowered again, so that the lifting tool 9 is disengaged from the limiting tool 11, and then the rotating jig 7 is rotated 90 degrees to complete the side change process.

[0035] Step 4: The lifting fixture 9 is lifted so that the lifting fixture 9 and the pressing fixture 10 complete the positioning and fixing of the limiting fixture 11 and the inner tank 3 of the dishwasher.

[0036] Step 5: The lifting tool 9 is lifted and moved backward to the top of the riveting assembly 2 to perform riveting and forming on the other side of the dishwasher inner tank 3. The side-changing and riveting processes are repeated to complete the forming and riveting process of the four sides of the dishwasher inner tank 3.

[0037] In summary, the dishwasher liner forming riveting device and control method thereof have the advantages of compact structure, high efficiency and good operation stability. The problem of automatic forming of the dishwasher liner is solved. The process of riveting and forming the dishwasher liner is realized by using a lifting tool, a riveting tool and a rotating tool.

[0038] The above description is only a specific embodiment of the present invention, but the structural features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.

Claims

1. A dishwasher liner forming riveting device, characterized in that: The invention comprises a supporting bottom plate (8), a positioning mechanism (4) being provided on the supporting bottom plate (8), a dishwasher inner tank (3) being provided in the positioning mechanism (4), and a riveting assembly (2) being provided at the rear end of the positioning mechanism (4); the riveting assembly (2) comprising a riveting seat (30) capable of displacement and alignment, a riveting head (31) being provided in the riveting seat (30) for riveting the dishwasher inner tank (3) into shape; the positioning mechanism (4) comprising a lifting fixture (9), a limiting fixture (11) being provided between the lifting fixture (9) and the dishwasher inner tank (3), and a pressing fixture (10) being fixedly connected to the lifting fixture (9) and pressed against the dishwasher inner tank (3) being provided at the upper end of the dishwasher inner tank (3).

2. The dishwasher liner forming riveting device according to claim 1, characterized in that: The front end of the lifting tool (9) is provided with a rotating jig (7), and connecting slides (13) are provided between the lower sides of the lifting tool (9) and the supporting base plate (8). A plurality of guide rails I (6) that are slidably plugged into and locked with the supporting base plate (8) are provided between the connecting slide (13) and the supporting base plate (8). A rack (5) is provided on the inner side of the connecting slide (13), and a gear displacement motor (14) that meshes with the rack (5) and drives the lifting tool (9) to move forward and backward is provided on the connecting slide (13).

3. The dishwasher liner forming riveting device according to claim 2, characterized in that: The rotary metallurgical tool (7) comprises a rotary support (16), a rotary motor (15) is provided on the side of the rotary support (16), and a rotary top plate (17) is provided on the upper end of the rotary motor (15).

4. The dishwasher liner forming riveting device according to claim 3, characterized in that: The lifting tool (9) comprises a support plate (22), a lifting motor (25) is provided between the support plate (22) and the connecting slide plate (13), guide columns (23) extending from the upper end of the support plate (22) are provided on both sides of the lifting motor (25), and a guide shaft sleeve (24) is provided between the guide column (23) and the support plate (22).

5. The dishwasher liner forming riveting device according to claim 4, characterized in that: The clamping tool (10) comprises a clamping frame (18) connected and fixed to two ends of a support plate (22) by screws, a clamping motor (20) is provided on the clamping frame (18), a clamping motor seat (19) is provided between the clamping motor (20) and the clamping frame (18), and a clamping plate (21) is provided between the clamping motor (20) and the inner tank (3) of the dishwasher.

6. The dishwasher liner forming riveting device according to claim 5, characterized in that: The limiting fixture (11) comprises a positioning plate (28) which is fixed to the support plate (22) by pressing the dishwasher inner tank (3) with the pressing fixture (10), the positioning plate (28) being provided with a plurality of pressing cylinders (26) which are pressed with three surfaces of the dishwasher inner tank (3), and a limiting pressing plate (27) is provided between the pressing cylinders (26) and the dishwasher inner tank (3).

7. The dishwasher liner forming riveting device according to claim 1, characterized in that: The lower end of the riveting head (31) is provided with a guide seat (32) slidably connected to the riveting seat (30); the rear end of the riveting seat (30) is provided with a riveting telescopic cylinder (33) for driving the riveting head (31) to telescopically rivet; the lower end of the guide seat (32) is provided with a riveting bottom plate (40); a transverse bottom plate (39) is provided between the riveting bottom plate (40) and the guide seat (32); a displacement adjustment cylinder (36) for driving the guide seat (32) to move forward and backward is provided below the riveting telescopic cylinder (33); A screw rod (38) for driving the lateral bottom plate (39) to move left and right is provided between the bottom plate (39) and the riveted bottom plate (40); a screw rod motor (29) is provided at one end of the screw rod (38); bearing seats (37) for inserting and sleeve-limiting the screw rod (38) are provided at the left and right ends of the riveted bottom plate (40); sliders (34) and guide rails II (35) are provided between the guide seat (32) and the riveted seat (30), between the guide seat (32) and the lateral bottom plate (39), and between the lateral bottom plate (39) and the riveted bottom plate (40).

8. The dishwasher liner forming riveting device according to claim 1, characterized in that: A plurality of rollers (12) distributed in an array are provided at the lower end of the supporting bottom plate (8), and a frame (1) is provided between the rollers (12) and the supporting bottom plate (8).

9. A control method for the dishwasher inner tank forming riveting device according to claim 5, characterized in that The steps are as follows: The first step is to place the inner tank (3) of the dishwasher on the limit fixture (11) to fix it, and then press the fixture (10) to press the upper and lower limit connections; Step 2: The lifting tool (9) is first lifted and translated to the top of the riveting assembly (2), and then the lifting tool (9) is lowered so that the side of the dishwasher inner tank (3) to be riveted is placed between the riveting seat (30) and the riveting head (31), and the riveting of one side of the dishwasher inner tank (3) is completed under the displacement of the riveting assembly (2); Step 3: The lifting tool (9) is lifted and then moved onto the rotating jig (7). When the limiting tool (11) is placed on the rotating jig (7), the pressing tool (10) is separated and the lifting tool (9) is retracted and lowered, so that the lifting tool (9) is separated from the limiting tool (11). The rotating jig (7) is then rotated 90 degrees to complete the side change process. Step 4: The lifting tool (9) is lifted so that the lifting tool (9) and the pressing tool (10) complete the positioning and fixing of the limiting tool (11) and the inner tank (3) of the dishwasher; Step 5: The lifting tool (9) is lifted and moved backward to the top of the riveting assembly (2) to perform riveting and forming of the other side of the dishwasher inner tank (3). The side-changing and riveting processes are repeated to complete the forming and riveting process of the four sides of the dishwasher inner tank (3).

10. The control method of the dishwasher inner tank forming riveting device according to claim 9, characterized in that: The positioning mechanism (4) provides power for forward and backward displacement by means of toothed meshing of the gear displacement motor (14) and the rack (5), and performs rotation or displacement switching of the riveting forming process along the guide rail I (6).

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