Crease-free anti-scald aluminum foil meal box forming device

Abstract

The utility model discloses a crease-free anti-scalding aluminum foil meal box forming device, which belongs to the technical field of aluminum foil meal box forming, particularly comprises an upper stamping die and a lower stamping die which are connected through four guide components, and is characterized in that the upper stamping die comprises an upper die plate, and the lower stamping die comprises a lower die plate; a female die is fixedly connected to the upper die plate, and a knockout plate is vertically connected into the female die in a sliding mode. The knockout plate comprises a bottom plate and a convex pattern die, and the convex pattern die is detachably connected to the bottom plate; the lower stamping die comprises a lower die plate, and a male die matched with the female die is fixedly connected to the lower die plate. The male die comprises a bottom die and a concave pattern die, and the concave pattern die and the convex pattern die are arranged in a matched mode and detachably connected to the bottom die. By means of the knockout plate and the male die which are arranged in a split mode, the convex pattern die on the knockout plate and the concave pattern die on the male die are disassembled, assembled and replaced, operation is easy, the physical labor of workers is reduced, and the machining efficiency of aluminum foil meal boxes is improved.

Description

Technical Field

[0001] This utility model belongs to the field of aluminum foil lunch box forming technology, specifically relating to a wrinkle-free and heat-resistant aluminum foil lunch box forming device. Background Technology

[0002] Aluminum foil lunch boxes are a very lightweight and practical disposable tableware. Compared with plastic lunch boxes, paper lunch boxes, and simple lunch boxes made of aluminum foil, they have a more stable physical or chemical structure, making them more resistant to high temperatures, oil, and salt. They are suitable for various occasions with high requirements for food storage and are widely welcomed by various food providers.

[0003] Chinese utility model patent application number 202122327887.3 discloses a stamping die for producing aluminum foil lunch boxes. The die includes an upper stamping die and a lower stamping die, with four sets of guide components movably connected between them. The upper stamping die includes an upper template, a die assembly, an upper piston, and a ejector plate. The die assembly includes a feeding cylinder, a feeding plate, a die, an upper inner ring, an upper gasket, and an upper shearing ring. The lower stamping die includes a lower template, a punch assembly, and a base mechanism. The punch assembly includes a punch, a lower thin ring, a lower inner ring, a pressure ring, and a lower shearing ring arranged sequentially from the inside out. A lower steel plate and a lower guide post inserted into the lower steel plate are located below the base mechanism. Two lower pistons, one large and one small, are located at the bottom of the lower steel plate. This utility model improves the quality of aluminum foil lunch box production and reduces the defect rate.

[0004] The existing technology has some shortcomings: the forming structure of the aluminum foil lunch box is completed by the cooperation of the punch and the die. The punch and the blanking plate are decorated with patterns on the opposite side. During the forming process of the aluminum foil lunch box, a specific embossed pattern is formed on the aluminum foil lunch box. However, the patterns on the blanking plate and the punch are specific. If other embossed patterns are to be formed on the aluminum foil lunch box, the blanking plate on the die and the punch need to be replaced to change the embossed pattern on the aluminum foil lunch box. The operation is troublesome, which not only increases the physical labor of workers, but also reduces the efficiency of aluminum foil lunch box processing. Utility Model Content

[0005] To address the problems mentioned in the background section, this invention provides a wrinkle-free, heat-resistant aluminum foil lunchbox forming device. This device features the ability to change between embossed and debossed dies according to the embossing pattern requirements, is easy to operate, reduces manual labor, and improves the processing efficiency of aluminum foil lunchboxes.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a wrinkle-free, heat-resistant aluminum foil lunch box forming device, comprising an upper stamping mold and a lower stamping mold, wherein the upper stamping mold and the lower stamping mold are connected by four guide components, characterized in that: the upper stamping mold includes an upper template, a concave mold is fixedly connected to the upper template, and a material ejector plate is vertically slidably connected inside the concave mold;

[0007] The feeding plate includes a base plate and a embossing die, wherein the embossing die is detachably connected to the base plate;

[0008] The lower stamping die includes a lower template, on which a punch adapted to the die cavity is fixedly connected;

[0009] The punch includes a bottom die and a grooved die, wherein the grooved die is adapted to the punch and is detachably connected to the bottom die.

[0010] Preferably, the upper template has multiple concave molds fixedly connected to it, and the lower template has convex molds that correspond one-to-one with the concave molds fixedly connected to it.

[0011] Preferably, an upper shear seat is provided on the upper template outside the cavity, the upper shear seat is fixedly connected to the upper template, and an upper shear plate is fixedly connected to the other end of the upper shear seat.

[0012] Preferably, a lower shear plate is provided above the lower template, the lower shear plate is fixedly connected to the lower template through a lower shear seat, and the lower shear plate is provided with a slot for the upper shear plate to pass through.

[0013] Preferably, the base plate is provided with a first through hole, and a first limiting cylinder is fixedly connected in the first through hole. The embossed die is provided with a second through hole corresponding to the first through hole, and a first threaded cylinder is fixedly connected in the second through hole. A first fixing post is provided in the first through hole, passing through the first limiting cylinder and threadedly connected to the first threaded cylinder.

[0014] Preferably, the concave die is provided with a third through hole, and a second limiting cylinder is fixedly connected in the third through hole. The bottom die is provided with a fourth through hole corresponding to the third through hole, and a second threaded cylinder is fixedly connected in the fourth through hole. A second fixing post is provided in the third through hole, passing through the second limiting cylinder and threadedly connected to the second threaded cylinder.

[0015] Preferably, a feeding cylinder is fixedly connected to the upper template above the cavity mold, and the piston rod of the feeding cylinder passes through the cavity mold and is fixedly connected to the feeding plate.

[0016] Preferably, the die cavity is provided with a guide hole, a guide sleeve is fixedly connected in the guide hole, a positioning sleeve is slidably inserted in the guide sleeve, a guide post is slidably connected in the positioning sleeve, a guide cap is fixedly connected to one end of the guide post, and the other end of the guide post is threadedly connected to the ejector plate.

[0017] Preferably, a fixing ring is fixedly fitted on the outer side of the positioning sleeve away from the material ejector plate, and a washer ring is movably fitted on the guide post between the fixing ring and the guide cap.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] This invention uses a separate concave mold and a convex mold, which can be disassembled and replaced according to the pattern required for the aluminum foil lunch box. This replaces the traditional method of changing both the concave and convex molds to change the embossed pattern on the aluminum foil lunch box. The operation is simple, reduces the physical labor of workers, and improves the processing efficiency of aluminum foil lunch boxes. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the main structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the main cross-sectional structure of this utility model;

[0024] Figure 4 This is a side view sectional structural diagram of the present invention;

[0025] Figure 5 This utility model Figure 4 Enlarged structural diagram at point A in the middle;

[0026] Figure 6 This is a schematic diagram of the cross-sectional structure of the concave die of this utility model;

[0027] Figure 7 This utility model Figure 6 Enlarged structural diagram at point B;

[0028] Figure 8 This is a schematic diagram of the cross-sectional structure of the punch of this utility model;

[0029] Figure 9 This utility model Figure 8Enlarged structural diagram at point C;

[0030] In the diagram: 1. Upper template; 2. Die; 3. Feeding plate; 301. Base plate; 302. Embossing die; 303. First through hole; 304. First limiting cylinder; 305. Second through hole; 306. First threaded cylinder; 307. First fixing post; 4. Lower template; 5. Punch; 501. Bottom mold; 502. Embossing die; 503. Third through hole; 504. Second limiting cylinder; 505. Fourth through hole; 506. Second threaded cylinder; 507. Second fixing post; 6. Upper shear plate; 7. Lower shear plate; 8. Feeding cylinder; 9. Guide sleeve; 10. Positioning sleeve; 11. Guide post; 12. Guide cap; 13. Fixing ring; 14. Washer ring. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Example 1

[0033] Please see Figure 1-9 This embodiment provides the following technical solution: a wrinkle-free and heat-resistant aluminum foil lunch box forming device, including an upper stamping mold and a lower stamping mold. The upper stamping mold and the lower stamping mold are connected by four guide components. Through the set guide components, under the action of the stamping equipment, the upper stamping mold can be vertically close to or away from the lower stamping mold.

[0034] The upper stamping die includes an upper template 1, on which a die 2 is fixedly connected. A stripper plate 3 is vertically slidably connected inside the die 2. The lower stamping die includes a lower template 4, on which a punch 5 adapted to the die 2 is fixedly connected. With the die 2 and punch 5 working together, the stamping and forming operation of the aluminum foil lunch box can be completed.

[0035] In some embodiments, a plurality of concave molds 2 are fixedly connected to the upper template 1, and a plurality of convex molds 5 corresponding one-to-one with the concave molds 2 are fixedly connected to the lower template 4. By setting the plurality of concave molds 2 and convex molds 5, aluminum foil lunch boxes can be batch-formed.

[0036] An upper shearing seat is provided on the outer side of the upper template 1 and the upper template 2. The upper shearing seat is fixedly connected to the upper template 1. An upper shearing plate 6 is fixedly connected to the other end of the upper shearing seat. A lower shearing plate 7 is provided above the lower template 4. The lower shearing plate 7 is fixedly connected to the lower template 4 through the lower shearing seat. The lower shearing plate 7 is provided with a hole or groove for the upper shearing plate 6 to pass through. Through the upper shearing plate 6 and the lower shearing plate 7, the punching operation of the edge of the aluminum foil lunch box can be completed.

[0037] A feeding cylinder 8 is fixedly connected to the upper template 1 above the concave mold 2. The piston rod of the feeding cylinder 8 passes through the concave mold 2 and is fixedly connected to the feeding plate 3. Through the feeding cylinder 8, after the aluminum foil lunch box formed by the concave mold 2 moves upward to a certain position, the feeding plate 3 can be driven to move downward to push the aluminum foil lunch box formed in the concave mold 2 out of the concave mold 2, so that the formed aluminum foil lunch box can be unloaded.

[0038] The die 2 is provided with a guide hole, and a guide sleeve 9 is fixedly connected in the guide hole. A positioning sleeve 10 is slidably inserted in the guide sleeve 9. A guide post 11 is slidably connected in the positioning sleeve 10. A guide cap 12 is fixedly connected to the top of the guide post 11. The other end of the guide post 11 is threadedly connected to the ejector plate 3. Through the guide sleeve 9, the positioning sleeve 10 and the guide post 11, the ejector plate 3 can be further limited in the longitudinal direction, so that the ejector plate 3 is more stable under the drive of the ejector cylinder 8, reducing the friction between the ejector plate 3 and the die 2 and improving the service life.

[0039] A fixing ring 13 is fixedly fitted on the outer side of the positioning sleeve 10 away from the feeding plate 3. A washer 14 is movably fitted on the guide post 11 between the fixing ring 13 and the guide cap 12. The fixing ring 13 and the washer 14 can limit and support the guide post 11.

[0040] Example 2

[0041] Please see Figure 1-9 The feeding plate 3 includes a base plate 301 and a embossing mold 302. The top of the base plate 301 is fixedly connected to the feeding cylinder 8. The embossing mold 302 is detachably connected to the bottom die 2. The punch 5 includes a bottom die 501 and a embossing mold 502. The embossing mold 502 is adapted to the embossing mold 302 and detachably connected to the bottom die 501. By using the separately set feeding plate 3 and punch 5, the embossing mold 302 on the feeding plate 3 and the embossing mold 502 on the punch 5 can be disassembled and replaced according to the pattern required for the aluminum foil lunch box. This replaces the traditional method of replacing the embossing mold 2 and the punch 5 to change the embossed pattern on the aluminum foil lunch box. The operation is simple, reduces the physical labor of workers, and improves the processing efficiency of aluminum foil lunch boxes.

[0042] The base plate 301 is provided with a first through hole 303, and a first limiting cylinder 304 is fixedly connected in the first through hole 303. The embossed mold 302 is provided with a second through hole 305 corresponding to the first through hole 303, and a first threaded cylinder 306 is fixedly connected in the second through hole 305. A first fixing post 307 is provided in the first through hole 303, which passes through the first limiting cylinder 304 and is threadedly connected to the first threaded cylinder 306. The first limiting cylinder 304, the first threaded cylinder 306 and the first fixing post 307 facilitate the mounting and dismounting of the embossed mold 302 onto the base plate 301.

[0043] The concave die 502 is provided with a third through hole 503, and a second limiting cylinder 504 is fixedly connected inside the third through hole 503. The bottom die 501 is provided with a fourth through hole 505 corresponding to the third through hole 503, and a second threaded cylinder 506 is fixedly connected inside the fourth through hole 505. A second fixing post 507 is provided inside the third through hole 503, passing through the second limiting cylinder 504 and threadedly connected to the second threaded cylinder 506. The second limiting cylinder 504, the second threaded cylinder 506 and the second fixing post 507 facilitate the mounting and dismounting of the concave die 502 onto the convex bottom die 501.

[0044] The working principle of this utility model is as follows: When in use, the aluminum foil sheet is conveyed to the appropriate position, and the stamping equipment drives the upper template 1 to move along the guide assembly to the lower template 4. With the cooperation of the upper shear plate 6 and the lower shear plate, the aluminum foil sheet is punched. With the cooperation of the concave die 2 and the convex die 5, the aluminum foil sheet is stamped and formed. At the same time, with the cooperation of the convex die 302 and the concave die 502, a specific pattern is formed on the aluminum foil lunch box.

[0045] After stamping, the stamping equipment drives the upper template 1 to move upward along the guide assembly to a certain position, and then the ejector cylinder 8 drives the ejector plate 3 to move downward and push the formed aluminum foil lunch box out of the concave mold 2.

[0046] When it is necessary to disassemble and assemble the embossed mold 302, simply remove the first fixing post 307 while the upper template 1 and the lower template 4 are separated, remove the embossed mold 302 from the base plate 301, and then fix the new embossed mold 302 on the base plate 301.

[0047] Similarly, the old concave mold 502 is removed from the convex mold 501, and the new concave mold 502 is fixed on the convex mold 501.

[0048] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A wrinkle-free, heat-resistant aluminum foil lunchbox forming device, comprising an upper stamping die and a lower stamping die, wherein the upper stamping die and the lower stamping die are connected by four guide components, characterized in that: The upper stamping die includes an upper template (1), a die cavity (2) is fixedly connected to the upper template (1), and a stripper plate (3) is vertically slidably connected inside the die cavity (2). The feeding plate (3) includes a base plate (301) and a embossing die (302), wherein the embossing die (302) is detachably connected to the base plate (301); The lower stamping die includes a lower template (4), and a punch (5) adapted to the die (2) is fixedly connected to the lower template (4). The punch (5) includes a bottom die (501) and a groove die (502). The groove die (502) is adapted to the punch die (302) and is detachably connected to the bottom die (501).

2. The wrinkle-free, heat-resistant aluminum foil lunchbox forming device according to claim 1, characterized in that: The upper template (1) is fixedly connected with a plurality of concave molds (2), and the lower template (4) is fixedly connected with a punch (5) that corresponds one-to-one with the concave molds (2).

3. The wrinkle-free, heat-resistant aluminum foil lunchbox forming device according to claim 2, characterized in that: An upper shear seat is provided on the upper template (1) on the outside of the cavity (2). The upper shear seat is fixedly connected to the upper template (1), and an upper shear plate (6) is fixedly connected to the other end of the upper shear seat.

4. The wrinkle-free, heat-resistant aluminum foil lunchbox forming device according to claim 3, characterized in that: A lower shear plate (7) is provided above the lower template (4). The lower shear plate (7) is fixedly connected to the lower template (4) through a lower shear seat. The lower shear plate (7) is provided with a slot for the upper shear plate (6) to pass through.

5. The wrinkle-free, heat-resistant aluminum foil lunchbox forming device according to claim 1, characterized in that: The base plate (301) is provided with a first through hole (303), and a first limiting cylinder (304) is fixedly connected in the first through hole (303). The embossed mold (302) is provided with a second through hole (305) corresponding to the first through hole (303), and a first threaded cylinder (306) is fixedly connected in the second through hole (305). A first fixing post (307) is provided in the first through hole (303) that passes through the first limiting cylinder (304) and is threadedly connected to the first threaded cylinder (306).

6. The wrinkle-free, heat-resistant aluminum foil lunchbox forming device according to claim 5, characterized in that: The concave die (502) is provided with a third through hole (503), and a second limiting cylinder (504) is fixedly connected in the third through hole (503). The bottom die (501) is provided with a fourth through hole (505) corresponding to the third through hole (503), and a second threaded cylinder (506) is fixedly connected in the fourth through hole (505). A second fixing post (507) is provided in the third through hole (503) that passes through the second limiting cylinder (504) and is threadedly connected to the second threaded cylinder (506).

7. The wrinkle-free, heat-resistant aluminum foil lunchbox forming device according to claim 1, characterized in that: A feeding cylinder (8) is fixedly connected to the upper template (1) above the cavity mold (2). The piston rod of the feeding cylinder (8) passes through the cavity mold (2) and is fixedly connected to the feeding plate (3).

8. The wrinkle-free, heat-resistant aluminum foil lunchbox forming device according to claim 7, characterized in that: The die (2) is provided with a guide hole, and a guide sleeve (9) is fixedly connected in the guide hole. A positioning sleeve (10) is slidably passed through the guide sleeve (9). A guide post (11) is slidably connected in the positioning sleeve (10). A guide cap (12) is fixedly connected to one end of the guide post (11), and the other end of the guide post (11) is threadedly connected to the ejector plate (3).

9. The wrinkle-free, heat-resistant aluminum foil lunchbox forming device according to claim 8, characterized in that: A fixing ring (13) is fixedly fitted on the outer side of the positioning sleeve (10) away from the feeding plate (3), and a washer (14) is movably fitted on the guide post (11) between the fixing ring (13) and the guide cap (12).

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