Punching machine for full-degradable paper meal box production

Abstract

The utility model belongs to the field of full-degradable paper meal box production equipment, and particularly relates to a punching machine for full-degradable paper meal box production. A supporting frame is installed on the back of the workbench, an air cylinder is installed at the bottom of the front side of the supporting frame, a pressing plate is arranged at the driving end of the air cylinder, die changing structures are installed on the end face of the workbench and the bottom of the pressing plate, and a lifting structure is installed on the workbench. Through the design of the die changing structure, the problem that an existing punching machine cannot install dies of different specifications and sizes is solved, and the use flexibility of the punching machine is improved; through the design of the lifting structure, the problems that the height of a workbench of an existing punching machine cannot be adjusted, and the height of the workbench cannot be adjusted according to workers with different heights are solved, convenience is brought to operation of the workers, and the operation adaptability is improved.

Description

Technical Field

[0001] The utility model relates to the field of fully degradable paper lunch box production equipment, in particular to a punching machine for producing fully degradable paper lunch boxes. Background Technique

[0002] With the increasing awareness of environmental protection in the whole society, fully degradable lunch boxes are more and more popular among people. Because while replacing the plastic foam containers, which are one of the "white pollutions", it also improves the grade, which can be said to kill two birds with one stone. In fact, fully degradable lunch boxes have been widely used in developed countries abroad. In the stamping of fully degradable lunch boxes, different molds are required for different fully degradable lunch boxes.

[0003] The existing punching machines cannot install molds with different specifications and sizes, making the punching machines lack flexibility in actual use. Secondly, the workbench of the existing punching machines cannot be adjusted in height, and cannot be adjusted according to the heights of different workers, resulting in poor comfort for workers during operation. Therefore, a punching machine for producing fully degradable paper lunch boxes is proposed to solve the above problems. Content of the Utility Model

[0004] In order to make up for the deficiencies of the existing technology, the existing punching machines cannot install molds with different specifications and sizes, which makes the punching machines lack flexibility in actual use. Secondly, the workbench of the existing punching machines cannot be adjusted in height, and cannot be adjusted according to the heights of different workers, resulting in poor comfort for workers during operation. The utility model proposes a punching machine for producing fully degradable paper lunch boxes.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a punching machine for producing fully degradable paper lunch boxes, including a workbench; a support frame is installed on the back of the workbench, a cylinder is installed at the bottom of the front side of the support frame, a pressing plate is arranged at the driving end of the cylinder, a die-changing structure is installed on the end face of the workbench and the bottom of the pressing plate, and a lifting structure is installed on the workbench;

[0006] The die-changing structure includes a mounting plate, inclined slots are opened at the corners of the mounting plate, a limiting strip is installed on the mounting plate through the inclined slots, a slider is slidably connected to the mounting plate through the inclined slots, the slider is threadedly connected with a bolt through a threaded hole, the bolt is threadedly connected with a top plate, a clamping plate is installed on the side wall of the top plate, a triangular clamping groove is opened on the clamping plate, the lower mounting plate is installed with a lower die through the lower clamping plate, and the upper mounting plate is installed with an upper die through the upper clamping plate;

[0007] The lifting structure includes a threaded cylinder, inside which a threaded rod is connected by threads. A first limiting ring is installed on the lower outer wall of the threaded rod. The lifting structure further includes an installation box. In the inner cavity of the installation box and on the front and rear side walls, first sleeves are correspondingly installed. At the lower end of the threaded rod and below the first sleeve, a driven bevel gear is provided. A driving motor is installed on the back of the installation box. At the driving end of the driving motor and inside the installation box, a connecting rod is provided. On the outer wall of the connecting rod and corresponding to the driven bevel gear, a driving bevel gear is installed.

[0008] Preferably, the support frame is arranged in an L-shaped structure, and the clamping plate is arranged in a "sector" structure.

[0009] Preferably, the end face of the upper mounting plate is connected to the bottom of the pressing plate, and the bottom of the lower mounting plate is connected to the end face of the workbench.

[0010] Preferably, the four inclined grooves together are arranged in a "cross" structure.

[0011] Preferably, two groups of threaded cylinders are provided, and the front and rear sides of the workbench are fixedly connected to the outer walls of the threaded cylinders through through holes.

[0012] Preferably, the inner wall of the first sleeve is rotationally connected to the lower outer wall of the threaded rod, and the installation box is rotationally connected to the other end of the connecting rod through a connecting hole.

[0013] Preferably, mounting holes are provided at the corners of the workbench. The workbench is provided with limiting cylinders through the mounting holes. A second limiting ring is installed on the lower side of the inner wall of the limiting cylinder. On the inner wall of the second limiting ring and inside the limiting cylinder, a smooth rod is slidably connected. On the side wall of the inner cavity of the installation box and corresponding to the limiting cylinder, a second sleeve is installed. A fixed disk is provided at the upper end of the smooth rod, and the lower end of the smooth rod is connected to the bottom of the inner cavity of the installation box. The inner wall of the second sleeve is slidably connected to the outer wall of the smooth rod. On the front and rear side walls of the pressing plate and corresponding to the limiting cylinder, third sleeves are installed. The inner wall of the third sleeve is slidably connected to the outer wall of the limiting cylinder. On the front and rear side walls of the pressing plate and corresponding to the threaded cylinder, fourth sleeves are installed. The inner wall of the fourth sleeve is slidably connected to the outer wall of the threaded cylinder.

[0014] Preferably, the threaded cylinder and the limiting cylinder are arranged in parallel with each other, and the workbench and the pressing plate are arranged in parallel with each other.

[0015] The beneficial effects of the present utility model are as follows:

[0016] 1. Through the design of the die-changing structure of the present utility model, by loosening the upper or lower bolts, the four upper or lower bolts slide in their respective corresponding inclined grooves according to the specifications of different dies. The four upper clamping plates clamp the four corners of the upper die through the corresponding triangular clamping grooves, and the four lower clamping plates clamp the four corners of the lower die through the corresponding triangular clamping grooves. By tightening the upper or lower bolts, the function of installing dies of different specifications is realized, solving the problem that the existing punching machine cannot install dies of different specifications, and improving the flexibility of use of the punching machine.

[0017] 2. Through the design of the lifting structure of the present utility model, the driving motor drives the connecting rod to rotate clockwise or counterclockwise. Through the transmission of the driving bevel gear, the driven bevel gear and the threaded rod, the threaded rod drives the threaded cylinder to move up or down, and the threaded cylinder drives the workbench to move up or down, realizing the function of adjusting the height of the workbench, solving the problem that the workbench of the existing punching machine cannot be height-adjusted and cannot be adjusted according to the height of workers of different heights, bringing convenience to the operation of workers and improving the operation adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 It is a top-down three-dimensional structure schematic diagram of the present utility model;

[0020] Figure 2 It is a bottom-up three-dimensional structure schematic diagram of the present utility model;

[0021] Figure 3 It is a sectional view of the die-changing structure of the present utility model;

[0022] Figure 4 It is a sectional view of the lifting structure of the present utility model;

[0023] Figure 5 It is an enlarged structure schematic diagram at position A of the present utility model;

[0024] Figure 6 It is a structure schematic diagram of the cooperation between the lower die and the clamping plate of the present utility model.

[0025] In the figure: 1, workbench; 2, support frame; 3, cylinder; 4, pressing plate; 6, die-changing structure; 601, mounting plate; 602, inclined groove; 603, limiting strip; 604, slider; 605, bolt; 606, top plate; 607, clamping plate; 608, triangular clamping groove; 7, lower die; 8, upper die; 9, lifting structure; 901, threaded barrel; 902, threaded rod; 903, first limiting ring; 904, mounting box; 905, first sleeve; 906, driven bevel gear; 907, driving motor; 908, connecting rod; 909, driving bevel gear; 10, limiting cylinder; 11, second limiting ring; 12, optical rod; 13, second sleeve; 14, fixed disk; 15, third sleeve; 16, fourth sleeve. Detailed implementation manners

[0026] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] The following is a further detailed description of the present application Figure 1-6 with reference to the attached drawings.

[0028] The embodiment of the present application discloses a punching machine for producing fully degradable paper lunch boxes. Referring to Figure 1 and Figure 6 , a punching machine for producing fully degradable paper lunch boxes includes a workbench 1; a support frame 2 is installed on the back of the workbench 1, a cylinder 3 is installed at the bottom of the front side of the support frame 2, a pressing plate 4 is arranged at the driving end of the cylinder 3, a die-changing structure 6 is installed on the end face of the workbench 1 and the bottom of the pressing plate 4, and a lifting structure 9 is installed on the workbench 1.

[0029] The die change structure 6 includes a mounting plate 601. An inclined slot 602 is formed at the corner of the mounting plate 601. A limiting bar 603 is installed on the mounting plate 601 through the inclined slot 602. A slider 604 is slidably connected to the mounting plate 601 through the inclined slot 602. A bolt 605 is threadedly connected to the slider 604 through a threaded hole. The bolt 605 is threadedly connected to a top plate 606. A clamping plate 607 is installed on the side wall of the top plate 606. A triangular clamping groove 608 is formed on the clamping plate 607. The lower die 7 is installed on the lower mounting plate 601 through the lower clamping plate 607. The upper die 8 is installed on the upper mounting plate 601 through the upper clamping plate 607. Through the design of the die change structure 6, loosen the upper or lower bolt 605, so that the four upper or lower bolts 605 slide in their respective corresponding inclined slots 602 according to the specifications of different dies. The four upper clamping plates 607 hold the four corners of the upper die 8 through the corresponding triangular clamping grooves 608. The four lower clamping plates 607 hold the four corners of the lower die 7 through the corresponding triangular clamping grooves 608. Tighten the upper or lower bolt 605, realizing the function of installing different specifications of dies, solving the problem that the existing punching machine cannot install dies of different specifications, and improving the use flexibility of the punching machine;

[0030] The lifting structure 9 includes a threaded cylinder 901. A threaded rod 902 is threadedly connected inside the threaded cylinder 901. A first limiting ring 903 is installed on the outer wall of the lower side of the threaded rod 902. The lifting structure 9 further includes an installation box 904. First sleeves 905 are correspondingly installed on the front and rear side walls in the inner cavity of the installation box 904. A driven bevel gear 906 is arranged below the lower end of the threaded rod 902 and on the lower side of the first sleeve 905. A driving motor 907 is installed on the back of the installation box 904. A connecting rod 908 is arranged at the driving end of the driving motor 907 and inside the installation box 904. A driving bevel gear 909 is installed on the outer wall of the connecting rod 908 corresponding to the driven bevel gear 906; Through the design of the lifting structure 9, the driving motor 907 drives the connecting rod 908 to rotate clockwise or counterclockwise. Through the transmission of the driving bevel gear 909, the driven bevel gear 906 and the threaded rod 902, the threaded rod 902 drives the threaded cylinder 901 to move up or down. The threaded cylinder 901 drives the workbench 1 to move up or down, realizing the function of adjusting the height of the workbench 1, solving the problem that the workbench 1 of the existing punching machine cannot be height-adjusted and cannot adjust the height of the workbench 1 according to the height of different workers, bringing convenience to the operation of workers and improving the operation adaptability.

[0031] Refer to Figure 1-3, the support frame 2 is arranged in an L-shaped structure, and the clamping plate 607 is arranged in a "sector" structure; the end face of the upper mounting plate 601 is connected to the bottom of the pressing plate 4, and the bottom of the lower mounting plate 601 is connected to the end face of the workbench 1; the four inclined slots 602 are combined together to form a "cross" structure; by combining the four inclined slots 602 together to form a "cross" structure, the fixing and installation of molds of different specifications and sizes are realized;

[0032] Refer to Figure 4 , there are two sets of threaded barrels 901, and the front and rear sides of the workbench 1 are fixedly connected to the outer wall of the threaded barrel 901 through through holes; the inner wall of the first sleeve 905 is rotatably connected to the lower outer wall of the threaded rod 902, and the mounting box 904 is rotatably connected to the other end of the connecting rod 908 through a connecting hole;

[0033] Refer to Figure 4 , mounting holes are opened at the corners on the workbench 1, and the workbench 1 is provided with a limiting cylinder 10 through the mounting holes. A second limiting ring 11 is installed on the lower side of the inner wall of the limiting cylinder 10. A smooth rod 12 is slidably connected on the inner wall of the second limiting ring 11 and inside the limiting cylinder 10. A second sleeve 13 is installed on the side wall of the inner cavity of the mounting box 904 corresponding to the limiting cylinder 10. A fixed disk 14 is arranged at the upper end of the smooth rod 12, and the lower end of the smooth rod 12 is connected to the bottom of the inner cavity of the mounting box 904. The inner wall of the second sleeve 13 is slidably connected to the outer wall of the smooth rod 12. Third sleeves 15 are installed on the front and rear side walls of the pressing plate 4 corresponding to the limiting cylinder 10. The inner wall of the third sleeve 15 is slidably connected to the outer wall of the limiting cylinder 10. Fourth sleeves 16 are installed on the front and rear side walls of the pressing plate 4 corresponding to the threaded barrel 901. The inner wall of the fourth sleeve 16 is slidably connected to the outer wall of the threaded barrel 901; the threaded barrel 901 and the limiting cylinder 10 are arranged in parallel, and the workbench 1 and the pressing plate 4 are arranged in parallel; by installing a second limiting ring 11 on the lower side of the inner wall of the limiting cylinder 10 and arranging a fixed disk 14 at the upper end of the smooth rod 12, the combined use of the second limiting ring 11 and the fixed disk 14 prevents the threaded rod 902 from disengaging from the threaded barrel 901, and realizes the limitation of the lifting height of the workbench 1;

[0034] Working principle: By loosening four bolts 605 on the upper side or the lower side, the upper side or the lower side sliders 604 and the top plate 606 no longer clamp the corresponding limiting strips 603. According to the sizes of the lower die 7 and the upper die 8, the top plate 606 drives the slider 604 to slide in the inclined slot 602 through the bolt 605. The top plate 606 drives the clamping plate 607 to move to the corner of the mold, so that the triangular clamping grooves 608 on the four clamping plates 607 are aligned with the corners of the mold. Then, by tightening the bolts 605 on the upper side or the lower side, the lower die 7 or the upper die 8 is fixedly installed. Through the design of the die-changing structure 6, the problem that the existing punching machine cannot install molds of different specifications and sizes is solved, and the use flexibility of the punching machine is improved;

[0035] The driving motor 907 drives the connecting rod 908 to rotate clockwise or counterclockwise. The connecting rod 908 drives the front and rear driving bevel gears 909 to rotate synchronously. The driven bevel gear 906 drives the threaded rod 902 to transmit power. The threaded rod 902 drives the threaded barrel 901 to move up or down. The threaded barrel 901 drives the workbench 1 to move up or down. Through the design of the lifting structure 9, the problem that the workbench 1 of the existing punching machine cannot be adjusted in height and cannot be adjusted according to the height of workers with different heights is solved, which brings convenience to the operation of workers and improves the operation adaptability.

[0036] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A punching machine for producing fully biodegradable paper lunch boxes, comprising a workbench (1); characterized in that: A support frame (2) is installed on the back of the workbench (1), a cylinder (3) is installed on the front bottom of the support frame (2), a pressing plate (4) is provided at the driving end of the cylinder (3), a mold changing structure (6) is installed on the end surface of the workbench (1) and the bottom of the pressing plate (4), and a lifting structure (9) is installed on the workbench (1); The die-changing structure (6) comprises a mounting plate (601), an oblique groove (602) is provided on the mounting plate (601) at a corner, a limit strip (603) is installed on the mounting plate (601) through the oblique groove (602), the mounting plate (601) is slidably connected to a slider (604) through the oblique groove (602), the slider (604) is threadedly connected to a bolt (605) through a threaded hole, the bolt (605) is threadedly connected to a top plate (606), a clamping plate (607) is installed on the side wall of the top plate (606), a triangular clamping groove (608) is provided on the clamping plate (607), a lower die (7) is installed on the lower mounting plate (601) through the lower clamping plate (607), and an upper die (8) is installed on the upper mounting plate (601) through the upper clamping plate (607); The lifting structure (9) comprises a threaded cylinder (901), the interior of the threaded cylinder (901) being connected to a threaded rod (902) by means of a thread, a first limiting ring (903) being installed on the lower outer wall of the threaded rod (902), the lifting structure (9) further comprising an installation box (904), a first sleeve (905) being installed in the inner cavity of the installation box (904) and correspondingly on the front and rear side walls, a driven bevel gear (906) being provided at the lower end of the threaded rod (902) and on the lower side of the first sleeve (905), a driving motor (907) being installed on the back of the installation box (904), a connecting rod (908) being provided at the driving end of the driving motor (907) and located inside the installation box (904), and a driving bevel gear (909) being installed on the outer wall of the connecting rod (908) and correspondingly on the driven bevel gear (906).

2. A punching machine for producing a fully biodegradable paper lunch box according to claim 1, characterized in that: The support frame (2) is arranged in an L-shaped structure, and the clamping plate (607) is arranged in a "fan-shaped" structure.

3. A punching machine for producing a fully biodegradable paper lunch box according to claim 1, characterized in that: The end surface of the upper mounting plate (601) is connected to the bottom of the pressing plate (4), and the bottom of the lower mounting plate (601) is connected to the end surface of the workbench (1).

4. The punching machine for producing a fully biodegradable paper lunch box according to claim 1, characterized in that: The four inclined grooves (602) are combined together to form a "cross" structure.

5. The punching machine for producing a fully biodegradable paper lunch box according to claim 1, characterized in that: The threaded barrels (901) are provided in two groups, and the front and rear sides of the workbench (1) are fixedly connected to the outer walls of the threaded barrels (901) via through holes.

6. The punching machine for producing a fully biodegradable paper lunch box according to claim 1, characterized in that: The inner wall of the first sleeve (905) is rotatably connected to the lower outer wall of the threaded rod (902), and the installation box (904) is rotatably connected to the other end of the connecting rod (908) through a connecting hole.

7. The punching machine for producing a fully biodegradable paper lunch box according to claim 1, characterized in that: A mounting hole is provided on the workbench (1) and located at a corner. A limiting cylinder (10) is arranged on the workbench (1) through the mounting hole. A second limiting ring (11) is installed on the lower side of the inner wall of the limiting cylinder (10). A light rod (12) is slidably connected on the inner wall of the second limiting ring (11) and located inside the limiting cylinder (10). A second sleeve (13) is installed on the side wall of the inner cavity of the mounting box (904) and corresponds to the limiting cylinder (10). A fixing plate (14) is arranged on the upper end of the light rod (12). The lower end of the second sleeve (13) is connected to the bottom of the inner cavity of the installation box (904), the inner wall of the second sleeve (13) is slidably connected to the outer wall of the light rod (12), a third sleeve (15) is installed on the front and rear side walls of the pressure plate (4) and corresponding to the limiting cylinder (10), the inner wall of the third sleeve (15) is slidably connected to the outer wall of the limiting cylinder (10), a fourth sleeve (16) is installed on the front and rear side walls of the pressure plate (4) and corresponding to the threaded cylinder (901), the inner wall of the fourth sleeve (16) is slidably connected to the outer wall of the threaded cylinder (901).

8. The punching machine for producing a fully biodegradable paper lunch box according to claim 7, characterized in that: The threaded cylinder (901) and the limiting cylinder (10) are arranged parallel to each other, and the workbench (1) and the pressing plate (4) are arranged parallel to each other.

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