Paper meal box forming equipment

Abstract

The utility model discloses paper meal box forming equipment which comprises a machine frame and a punch forming die, a reciprocating base is arranged on the machine frame, the punch forming die is divided into upper punching dies arranged on the machine frame and lower punching dies arranged on the reciprocating base, the reciprocating base moves in a reciprocating mode relative to the machine frame, and the moving distance is equal to the distance between every two adjacent upper punching dies. The rack is further provided with a feeding assembly and a discharging assembly which are used for loading and unloading raw materials and finished products. Compared with the prior art, the paper lunch box forming equipment has the advantages that semi-finished products machined among a plurality of stamping dies can be conveniently transferred by arranging the reciprocating base, and compared with the prior art, the paper lunch box forming equipment is simple in structure, reasonable in design, not prone to errors and good in effect, and machining difficulty is greatly reduced; according to the embodiment, by arranging the mode that air adsorption is matched with air injection cleaning circulation, the stacking processing problem of raw materials and semi-finished products can be effectively solved, the possibility of occurrence of waste products is reduced, and the processing quality of products is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper lunch box processing equipment, in particular to a paper lunch box forming equipment. Background Art

[0002] With the improvement of living standards, people have a greater demand for convenient eating, and more and more paper lunch boxes are needed. However, the current automatic forming equipment for paper lunch boxes still has many problems and cannot form paper lunch boxes that meet the requirements.

[0003] The automatic processing and forming devices of paper lunch boxes in the prior art generally perform one or more stamping and forming at a single station, or perform circulation processing by continuously loading and unloading semi-finished products. The complicated process is not conducive to production and processing, especially for paper lunch boxes with higher processing difficulty and products with overly complicated processes. Multiple process stations are often required, which makes it difficult for production efficiency to meet production needs, and increases processing costs in disguise. Utility Model Content

[0004] In view of the prior art, the purpose of the present invention is to provide a stamping and forming device for paper lunch boxes. By improving the device structure, when the device of this embodiment processes paper lunch boxes, semi-finished products between multiple stamping dies can be automatically circulated and processed.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: a paper lunch box forming equipment, including a frame and a stamping forming die, the stamping forming die including a plurality of stamping upper dies and stamping lower dies, the frame is provided with a reciprocating base, the reciprocating base is provided with a power mechanism, the power mechanism is used to drive the reciprocating base to reciprocate relative to the frame, a plurality of the stamping lower dies are fixed on the reciprocating base, the moving stroke of the reciprocating base is equal to the spacing between two adjacent stamping lower dies, a plurality of the stamping upper dies are located correspondingly above the frame relative to the stamping lower dies, and the stamping upper dies are all equipped with a group of power parts, which are driven by the power parts to cooperate with the stamping lower die to stamp and form the paper lunch box, and the frame is also provided with a loading assembly and a unloading assembly located at both ends of the reciprocating base for loading and unloading raw materials and finished products of the paper lunch box.

[0006] As a further configuration of the above scheme, the stamping upper die is also provided with an adsorption component, which is used to adsorb and desorb and transport the semi-finished paper lunch box after each stamping is completed. The stamping lower die is also provided with a jet component, which is used to clean and unload the stamping lower die after the stamping upper die moves upward.

[0007] As a further setting of the above solution, the power mechanism includes a driving motor and a ball screw for driving the reciprocating base to reciprocate through the driving motor. The ball screw includes a threaded block fixed to the reciprocating base and a screw member driven by the driving motor.

[0008] As a further setting of the above solution, the feeding assembly includes a feed bin, a suction cup chuck, and a servo motor. The suction cup chuck is used to adsorb the raw materials of the paper food boxes in the feed bin, and the servo motor is used to rotate the suction cup chuck so that it rotates from the bottom of the feed bin to above the stamping lower die on the reciprocating base.

[0009] As a further setting of the above solution, the discharging assembly includes a blanking seat arranged on the reciprocating base and a discharging member arranged on the machine frame. The discharging member includes a clamp for clamping the finished paper food boxes, a horizontal cylinder for controlling the clamping of the clamp, a vertical cylinder for driving the clamp to lift, a discharging table, and a discharging cylinder for driving the clamp to move from directly above the blanking seat to above the discharging table.

[0010] As a further setting of the above solution, the blanking seat includes a lifting table, a lifting cylinder, and a sensor. The sensor is used to detect the stacking height of the finished paper food boxes on the lifting table, and the lifting cylinder is used to lift the lifting table to facilitate the discharging of the clamp.

[0011] Beneficial effects: Compared with the prior art, the paper food box forming equipment of the present utility model can conveniently transfer the semi-finished products processed between multiple stamping dies by setting the reciprocating base. The forming equipment of this embodiment has a simple structure, reasonable design, is not prone to errors, has a good effect, greatly saves the processing difficulty, and ensures the rapid transfer and processing of multiple process stations. In addition, by setting the air adsorption and jet cleaning transfer method in this embodiment, it can effectively avoid the problem of stacking and processing of raw materials and semi-finished products, reduce the possibility of defective products, and improve the processing quality of products. Description of the Drawings

[0012] Figure 1 It is a schematic structural diagram of the forming equipment of the present utility model.

[0013] Figure 2 It is a schematic structural diagram of the power mechanism of this embodiment.

[0014] Figure 3 It is a schematic structural diagram of the stamping and forming die of this embodiment.

[0015] Figure 4 It is a schematic structural diagram of the feeding assembly of this embodiment.

[0016] Figure 5 It is a schematic structural diagram of the discharging assembly of this embodiment.

[0017] Reference numerals: 1, frame; 10, blanking seat; 11, reciprocating base; 12, power mechanism; 13, lifting table; 14, lifting cylinder; 15, sensor; 16, drive motor; 17, ball screw; 18, threaded block; 19, screw member; 2, stamping and forming die; 21, stamping upper die; 22, stamping lower die; 23, adsorption assembly; 3, power member; 4, feeding assembly; 41, magazine; 42, suction chuck; 43, servo motor; 5, discharging assembly; 51, discharging member; 52, jaw; 53, horizontal cylinder; 54, vertical cylinder; 55, discharging table; 56, discharging cylinder. Detailed implementation manners

[0018] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described in detail below with reference to the drawings and specific implementation manners. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0019] As Figures 1-5 shown, a paper food box forming device includes a frame 1 and a stamping and forming die 2. The stamping and forming die 2 includes a plurality of stamping upper dies 21 and stamping lower dies 22. A reciprocating base 11 is arranged on the frame 1. The reciprocating base 11 is provided with a power mechanism 12 for driving the reciprocating base 11 to move reciprocally relative to the frame 1. A plurality of the stamping lower dies 22 are fixed on the reciprocating base 11. The moving stroke of the reciprocating base 11 is equal to the distance between two adjacent stamping lower dies 22. A plurality of the stamping upper dies 21 are arranged corresponding to the positions directly above the stamping lower dies 22 on the frame 1. And a set of power members 3 are arranged for each of the stamping upper dies 21, such as telescopic cylinders, power motors, etc. The power members 3 refer to the prior art and only need to be able to lift the stamping upper dies 21 relative to the stamping lower dies 22 to realize mold closing and mold opening. The power members 3 drive the stamping upper dies 21 to cooperate with the stamping lower dies 22 to stamp and form the paper food box. A feeding assembly 4 and a discharging assembly 5 for loading and unloading the raw materials and finished products of the paper food box are arranged at both ends of the reciprocating base 11 on the frame 1.

[0020] As a further setting of the above solution, an adsorption assembly 23 is further provided on the stamping upper die 21. The adsorption assembly 23 is used to adsorb and desorb and transfer the semi-finished paper food boxes after each stamping. A jetting assembly is further provided on the stamping lower die 22. The jetting assembly is used to clean and discharge the stamping lower die 22 after the stamping upper die 21 moves upward. By adopting the above adsorption assembly 23, it can be ensured that there is only one paper food box entering the next process (adsorption only acts on the closest layer, and the manipulator may hold multiple items at a time). Further, a jetting assembly for cleaning is provided on the stamping lower die 22. The jetting assembly can be provided with a plurality of jet holes, for example, and is connected to an external air supply unit. After the stamping upper die 21 adsorbs the material and rises to a certain distance each time, rapid jetting is carried out. The jetting force should be greater than the weight of the material (the operation of the jetting assembly needs to ensure that after the stamping upper die 21 sucks away the material and rises to a certain height, the height should be such that it will not affect the smooth flying out of the semi-finished material that may be swept out by jetting). The purpose is that in case of the problem of the stamping upper die 21 adsorbing and dropping, the existence of the jetting assembly can ensure the cleaning and discharging of the dropped material, ensuring that it will not remain on the stamping lower die 22 and affecting the normal operation of the process.

[0021] As a further setting of the above solution, the power mechanism 12 includes a driving motor 16 and a ball screw 17 for driving the reciprocating base 11 to perform reciprocating movement through the driving motor 16. The ball screw 17 includes a threaded block 18 fixed to the reciprocating base 11 and a screw member 19 driven by the driving motor 16.

[0022] As a further setting of the above solution, the feeding assembly 4 includes a material bin 41, a suction cup chuck 42, and a servo motor 43. The suction cup chuck 42 is used to adsorb the raw materials of the paper food boxes in the material bin 41. The servo motor 43 is used to rotate the suction cup chuck 42 so that it rotates from the bottom of the material bin 41 to above the stamping lower die 22 on the reciprocating base 11.

[0023] As a further setting of the above solution, the discharging assembly 5 includes a blanking seat 10 provided on the reciprocating base 11 and a discharging member 51 provided on the frame 1. The discharging member 51 includes a claw 52 for clamping the finished paper food boxes, a horizontal cylinder 53 for controlling the clamping of the claw 52, a vertical cylinder 54 for driving the claw 52 to lift, a discharging table 55, and a discharging cylinder 56 for driving the claw 52 to move from directly above the blanking seat 10 to above the discharging table 55. The blanking seat 10 includes a lifting table 13, a lifting cylinder 14, and a sensor 15. The sensor 15 is used to detect the stacking height of the finished paper food boxes on the lifting table 13. The lifting cylinder 14 is used to lift the lifting table 13 to facilitate the discharging of the claw 52.

[0024] As Figures 1-5The paper food box forming equipment of the present embodiment shown in the figure includes a frame 1 as a loading main body. An upper feeding component 4, a stamping and forming die 2, and a blanking component 5 are sequentially arranged on the frame 1. Considering that the forming equipment of the present embodiment is used for paper food boxes with curled edges, and this type of paper food box generally requires multiple stamping processes, therefore, generally at least two sets of upper stamping die 21 and lower stamping die 22 of the stamping and forming die 2 are provided, and the forming equipment can be adjusted according to actual needs; further, as Figure 1 The upper feeding component 4 of the present embodiment shown in the figure is arranged at the front end of the stamping and forming die 2. The upper feeding component 4 is installed and fixed relative to the frame 1 as a whole. It includes a material bin 41, a suction cup chuck 42, and a servo motor 43. During operation, the suction cup chuck 42 sucks the raw paper sheets of the paper food box at the bottom of the material bin 41, and then the servo motor 43 rotates and transports it above the stamping and forming die 2. By releasing the suction cup chuck 42, it falls into the lower stamping die 22, and then moves back to below the upper stamping die 21 with the reciprocating base 11 reset. Through the stamping and forming of the upper stamping die 21 and the lower stamping die 22, and when multiple upper stamping dies 21 and lower stamping dies 22 are provided, after the upper stamping die 21 completes stamping, it is adsorbed by the adsorption component 23 provided thereon. After the next stamping is completed, it is desorbed in the lower stamping die 22. By continuously repeating, finally, after the last upper stamping die 21 adsorbs and desorbs it, it falls into the blanking seat 10, and according to the set stacking thickness, the clamping jaw 52 of the blanking component 5 is started to send it into the unloading table 55 to complete stamping and discharging.

[0025] As the basic working steps of the present embodiment described above, the structure of the stamping and forming die 2 of the present embodiment includes a reciprocating base 11 arranged on the frame 1 and reciprocatingly moving with a fixed stroke relative to the frame 1. The reciprocating base 11 is moved by setting a power mechanism 12. The power mechanism 12 includes a driving motor 16 and a ball screw 17 for driving the reciprocating base 11 to reciprocate by the driving motor 16. The ball screw 17 includes a threaded block 18 fixed to the reciprocating base 11 and a screw member 19 driven by the driving motor 16. When starting, the driving motor 16 rotates forward and backward, and drives the screw member 19 of the ball screw 17 to rotate forward and backward through a belt pulley, so as to realize the axial drive of the threaded block 18, and drive the reciprocating base 11 to move through the threaded block 18. It should be noted that the reciprocating base 11 of the present embodiment is provided with a sliding rail structure for limiting the stroke on the frame 1 to ensure that it can reciprocate and will not deviate from the stroke trajectory. For example, a sliding sleeve and a sliding rail can be set in cooperation, or a slider and a sliding groove can be used, and it can be adaptively set with reference to the prior art;

[0026] On the basis described above, the main components of the stamping die 2 include several upper stamping dies 21 and lower stamping dies 22. The specific quantity is set according to the number of stamping dies required for product manufacturing. The significance of the reciprocating base 11 is to achieve the transfer of semi-finished raw materials between multiple upper stamping dies 21 and lower stamping dies 22 through reciprocating movement and in cooperation with the adsorption component 23. The composition of the blanking component 5 in this embodiment further includes a blanking seat 10 arranged on the reciprocating base 11 behind the last lower stamping die 22 and moving along with the lower stamping die 22. In addition, a blanking member 51 is also arranged on the frame 1. The blanking member 51 includes a clamp 52 for clamping the finished product, a horizontal cylinder 53 for controlling the opening and closing of the clamp 52, and a vertical cylinder 54 for lifting the clamp 52 to make it close to or away from the blanking seat 10. It should be noted that a lifting cylinder 14 is also arranged on the blanking seat 10 of this embodiment. After the sensor 15 arranged on the blanking seat 10 detects that the stacked finished paper lunch boxes reach the threshold value, a feedback signal is sent to start lifting the lifting platform 13, and the clamp 52 that descends is used to clamp all the finished paper lunch boxes, and then under the drive of the unloading cylinder 56, it moves from directly above the blanking seat 10 to the unloading platform 55. Subsequently, the horizontal cylinder 53 is controlled to open the clamp 52 to put the paper lunch box finished product on the unloading platform 55.

[0027] For the forming equipment of this embodiment as described above, the principle steps during its operation are as follows:

[0028] ① The staff stacks and inputs the paper lunch box raw materials into the feed bin 41, and then the equipment is officially started. At this time, the head of the suction cup chuck 42 is located at the material outlet at the bottommost end of the feed bin 41, and the cylinder supporting the suction cup chuck 42 works to suck the bottommost paper lunch box raw material paper sheet from the lower end of the feed bin 41;

[0029] ② After the suction cup chuck 42 adsorbs the raw material paper sheet, the servo motor 43 is started to control the suction cup chuck 42 to rotate by 120° (adjusted according to the actual angle) in the state of adsorbing the raw material paper sheet. After stopping, it is directly above the first lower stamping die 22 on the reciprocating base 11. Subsequently, the suction cup chuck 42 releases the adsorption, and the raw material paper sheet falls into the lower stamping die 22. The servo motor 43 flips and resets the suction cup chuck 42, and the reciprocating base 11 also resets under the drive of the power mechanism 12;

[0030] ③ After the reciprocating base 11 moves to the right and resets, at this time, the lower stamping die 22 with the raw material paper sheet returns directly below the upper stamping die 21 of the first process. At this time, the power member 3 is started to drive the upper stamping die 21 downward, so that the upper stamping die 21 and the lower stamping die 22 are closed to process the raw materials;

[0031] ④After the first mold closing is completed, the power component 3 moves in the reverse direction to lift the stamping lower die 22. Before the power component 3 moves in the reverse direction, the adsorption component 23 (a pneumatic suction head controlled by external air supply) provided on the stamping upper die 21 works to adsorb the semi-finished product of the first mold closing stamping on the stamping upper die 21. Subsequently, the jet component works to clean the stamping lower die 22;

[0032] ⑤After the adsorption operation is completed, the stamping upper die 21 will lift upward, and the reciprocating base 11 moves leftward again (the lifting height of the stamping upper die 21 ensures that the reciprocating base 11 will not touch the stamping lower die 22 during translation). At this time, after the reciprocating base 11 moves leftward, the second stamping lower die 22 is located below the first stamping upper die 21 (the relationship between the stamping upper die 21 and the stamping lower die 22 at the rear is the same). After the reciprocating base 11 moves leftward in place, the adsorption component 23 on the first stamping upper die 21 will desorb, so that the semi-finished product after the first mold closing will fall onto the stamping lower die 22 of the second process;

[0033] ⑥Subsequently, the reciprocating base 11 resets to the right, and the semi-finished product of the first mold closing successfully flows to the lower part of the second stamping upper die 21 within the second stamping lower die 22. The second mold closing is carried out for the second stamping, and so on in a cycle. When the previous semi-finished product flows to the next process, the feeding component 4 on the leftmost side continuously performs the feeding operation. Therefore, the reciprocating base 11 always maintains an uninterrupted supply of raw materials for processing. After the semi-finished product passes through the last stamping upper die 21 and stamping lower die 22, based on the leftward movement of the reciprocating base 11, the blanking seat 10 is moved to the lower part of the last stamping upper die 21. At this time, the desorbed finished paper food box will fall into the blanking seat 10 along with the trend;

[0034] ⑦When the stacked finished paper food boxes on the blanking seat 10 reach the stacked thickness according to the user's requirements, the sensor 15 detects and feeds back a signal, and the blanking part 51 located on the frame 1 starts to work. The horizontal cylinder 53 works to open the distance between the jaws 52, and the vertical cylinder 54 drives it to move downward. At the same time, the lifting cylinder 14 on the blanking seat 10 works to lift the lifting table 13 to the middle of the opened jaws 52. Subsequently, the horizontal cylinder 53 closes the jaws 52 inward, the lifting cylinder 14 resets to lower the lifting table 13, and the unloading cylinder 56 also starts to work to push the jaws 52 with the finished paper food box to the upper part of the unloading table 55. Then, the horizontal cylinder 53 is started to make the finished paper food box fall into the unloading table 55, and then it resets itself. Through the above operations, the finished paper food boxes stacked in height according to the required quantity can be successfully removed, and the stamping forming process of the paper food box is completed.

[0035] Obviously, those skilled in the art can make various modifications and variations to the present utility model without departing from the spirit and scope of the present utility model. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalent technologies, the present utility model also intends to include these modifications and variations.

Claims

1. A paper lunch box forming device, comprising a frame (1) and a stamping and forming die (2), characterized in that: The stamping die (2) includes a plurality of upper stamping dies (21) and lower stamping dies (22). A reciprocating base (11) is provided on the frame (1), and a power mechanism (12) is provided on the reciprocating base (11). The power mechanism (12) is used to drive the reciprocating base (11) to move reciprocally relative to the frame (1). A plurality of the lower stamping dies (22) are fixed on the reciprocating base (11), and the moving stroke of the reciprocating base (11) is equal to the distance between two adjacent lower stamping dies (22). A plurality of the upper stamping dies (21) are correspondingly arranged directly above the lower stamping dies (22) relative to the frame (1), and a set of power components (3) are provided for each of the upper stamping dies (21). The power components (3) are used to drive the upper stamping dies (21) to cooperate with the lower stamping dies (22) to stamp and form paper lunch boxes. An upper feeding component (4) and a lower discharging component (5) are further provided on the frame (1) at both ends of the reciprocating base (11) for loading and unloading the raw materials and finished products of the paper lunch boxes.

2. The paper lunch box forming device according to claim 1, characterized in that: An adsorption component (23) is further provided on the upper stamping die (21). The adsorption component (23) is used to adsorb and desorb and transfer the semi-finished paper lunch boxes after each stamping. A jet component is further provided on the lower stamping die (22), and the jet component is used to clean and discharge the lower stamping die (22) after the upper stamping die (21) moves upward.

3. A paper lunch box forming device according to claim 1, characterized in that: The power mechanism (12) includes a driving motor (16) and a ball screw (17) for driving the reciprocating base (11) to reciprocate by the driving motor (16). The ball screw (17) includes a threaded block (18) fixed to the reciprocating base (11) and a screw member (19) driven by the driving motor (16).

4. A paper food container forming device according to claim 1, characterized in that: The upper feeding component (4) includes a storage bin (41), a suction cup chuck (42), and a servo motor (43). The suction cup chuck (42) is used to adsorb the raw materials of the paper lunch boxes in the storage bin (41), and the servo motor (43) is used to rotate the suction cup chuck (42) to move it from the bottom of the storage bin (41) to above the lower stamping die (22) on the reciprocating base (11).

5. A paper food container forming device according to claim 1, characterized in that: The lower discharging component (5) includes a blanking seat (10) provided on the reciprocating base (11) and a discharging member (51) provided on the frame (1). The discharging member (51) includes a claw (52) for clamping the finished paper lunch boxes, a horizontal cylinder (53) for controlling the clamping of the claw (52), a vertical cylinder (54) for driving the claw (52) to lift, a discharging table (55), and a discharging cylinder (56) for driving the claw (52) to move from directly above the blanking seat (10) to above the discharging table (55).

6. A paper lunch box forming device according to claim 5, characterized in that: The blanking seat (10) includes a lifting table (13), a lifting cylinder (14), and a sensor (15). The sensor (15) is used to detect the stacking height of the finished paper lunch boxes on the lifting table (13), and the lifting cylinder (14) is used to lift the lifting table (13) to facilitate the discharging of the claw (52).

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