Food packaging box forming machine

Abstract

The invention discloses a food packaging box forming machine, and relates to the technical field of packaging box processing, the food packaging box forming machine comprises a forming machine, a feeding box used for storing plastic hard sheet raw materials used for food packaging box forming and a collecting box used for storing finished food packaging box products, a sliding rail is installed on the side wall of the forming machine, and a sliding seat is slidably installed on the sliding rail; a connecting plate is fixedly installed on the bottom face of the sliding base, an electric telescopic rod is fixedly installed in the forming machine, and the telescopic end of the electric telescopic rod is fixedly connected with one side wall of the connecting plate. Automatic feeding is achieved; and secondly, after blister forming is finished, the food packaging boxes left on the forming machine after blister forming is finished can be automatically unloaded through the feeding and discharging assembly, so that the working time is greatly shortened, the working efficiency is improved, and good use value is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of packaging box processing, in particular to a food packaging box forming machine. Background Art

[0002] Blistering refers to the use of vacuum and different molds to process preheated thermoplastic plastic coils such as PVC, PE, PP, PET, HIPS, etc. into plastic products of various shapes. It is mainly used for the forming of thermoplastic sheets. The vacuum suction generated by a vacuum pump is used to change the shape of the heated and softened thermoplastic coil through the mold through blistering, so that it is formed close to the inner wall of the mold cavity, and then demolded after cooling and shaping to obtain various blister products. Food packaging boxes are an important type of blister products.

[0003] In the process of processing the food packaging box by the blister machine in the prior art, the thermoplastic coil to be processed needs to be placed in the cavity, and after cooling and forming, the formed food packaging box is taken out of the cavity before it can be placed in the cavity.

[0004] Adding raw materials causes discontinuity in the blister production and processing operations of food packaging boxes, reduces the production efficiency of food packaging boxes, and in the actual production operation process, the cooled and formed food packaging boxes are easily adhered to the cavity, making it inconvenient to remove the formed food packaging boxes from the cavity, and the continuity of the blister production and processing operations of food packaging boxes is poor.

[0005] The existing patent (Announcement No.: CN217752728U) proposes a blister forming machine for food packaging boxes. Aiming at the problem of poor continuity of the blister production and processing operation of food packaging boxes in the prior art, the following scheme is proposed, which includes a lower mold, the top of the lower mold is provided with two cavities, the inner side of the lower mold is provided with a mounting cavity corresponding to the two cavities, the outer sleeve of the lower mold is provided with two suction pipes, the two suction pipes extend to the inner sides of the two mounting cavities respectively, the bottom of the cavity is provided with a plurality of suction holes connected to the mounting cavity, and the inner side of the cavity is provided with a lower mold plate. The present invention has a reasonable structure, a stable structure, and is simple to operate. It not only effectively ensures the continuity of the blister processing operation of the food packaging box, but also can prevent the formed food packaging box from being bonded to the inner wall of the cavity, making it convenient to pick up the food packaging box, and is easy to use and easy to promote.

[0006] The above-mentioned food packaging box blister forming machine has the following disadvantages when in use: Currently, factories generally use traditional manual loading and manual unloading when using food packaging box blister forming machines. It is found in long-term production and processing that such production and processing methods require a larger workload and more workers, and safety accidents may occur during the production process. It has the disadvantages of long working hours and low production efficiency. For this reason, we propose a food packaging box forming machine to solve the above problems. Summary of the invention

[0007] The present invention provides a food packaging box forming machine, which solves the technical problems that factories currently generally adopt traditional manual loading and manual unloading when using blister forming machines for food packaging boxes. It is found in long-term production and processing that such production and processing method requires a larger workload and more workers, and safety accidents may occur during the production process, and has the disadvantages of long working hours, low production efficiency, etc.

[0008] In order to solve the above technical problems, the present invention provides a food packaging box forming machine, including a forming machine, a feeding box for storing plastic hard sheet raw materials used for food packaging box forming, and a receiving box for storing finished food packaging boxes. A slide rail is installed on the side wall of the forming machine, and a slide seat is slidably installed on the slide rail. A connecting plate is fixedly installed on the bottom surface of the slide seat. An electric telescopic rod is fixedly installed inside the forming machine, and the telescopic end of the electric telescopic rod is fixedly connected to one side wall of the connecting plate. The electric telescopic rod is provided with a loading and unloading component for taking out the plastic hard sheet raw material inside the feeding box and placing it on the forming machine for forming, and taking the plastic hard sheet raw material from the forming machine after it is formed into a packaging box and placing it into the receiving box.

[0009] Preferably, the molding machine includes pillars, a top plate, a cylinder, a pressure seat and a bottom film, the pillars are fixedly installed at the four corners of the top of the molding machine, the top plate is fixedly installed on the top of the pillars, the cylinder is fixedly installed on the top wall of the top plate, the pressure seat is fixedly connected to the driving end of the top plate, the bottom film is fixedly installed on the top surface of the molding machine, the pressure seat is used to install a heating plate or a vacuum equipment to facilitate the blistering of the packaging box, and the bottom film is used to place the plastic hard sheet raw material.

[0010] Preferably, the loading and unloading components include a chuck, a support rod, a support frame, a connecting rod, a suction cup manipulator, a mounting frame, a transmission rack, a gear ring, an articulated seat, a second electric push rod and a right-angle groove, the chuck is rotatably mounted on the top surface of the slide seat, the support rod is fixedly mounted on the top surface of the chuck, the support frame is fixedly mounted on the front end of the support rod, the right-angle groove is opened on the support frame, the top end of the connecting rod is inserted into the inside of the right-angle groove, the suction cup manipulator is fixedly mounted on the bottom end of the connecting rod, the articulated seat is fixedly mounted on the top surface of the turntable, one end of the second electric push rod is rotatably connected to the articulated seat, the other end of the second electric push rod is hinged to the side wall of the connecting rod through a pin shaft, the mounting frame is fixedly mounted on the side wall of the slide rail, the transmission rack is fixedly mounted on the mounting frame, and the gear ring is fixedly mounted on the outer peripheral wall of the turntable, and the gear ring can rollingly engage with the transmission rack when following the slide seat to slide horizontally on the slide rail.

[0011] Preferably, a rotating shaft is fixedly installed at the center of the bottom surface of the turntable, an annular rotating groove is opened on the upper part of the slide seat, and the rotating shaft is rotatably arranged inside the annular rotating groove.

[0012] Preferably, the slide seat is also provided with a positioning assembly for locking the rotation of the rotating shaft to prevent the turntable from rotating and affecting the feeding when it does not need to rotate. The positioning assembly includes a turntable, a slot, a sliding rack, a supporting spring, a wedge block, a transverse axis, a transverse gear, a short axis, a first bevel gear, a second bevel gear, a longitudinal gear, a positioning rack and a return spring. A turntable is also installed on the rotating shaft. The outer circumferential wall of the turntable is circumferentially provided with a plurality of slots, and straight grooves are provided on the left and right sides of the inner top wall of the slide seat. The sliding rack is slidably connected to the inside of the straight groove, the supporting spring is fixedly installed on the top end of the sliding rack, and the top end of the supporting spring is fixedly connected to the inner top wall of the straight groove, the wedge block is fixedly installed on the left and right sides of the wedge block, and the top surface of the wedge block is an inclined structure. The transverse axis is rotatably arranged inside the slide seat, and the left and right ends of the transverse axis extend to The left and right ends of the adjacent straight grooves and the horizontal shaft are fixedly connected with transverse gears, and the transverse gear is meshed with the sliding rack. The sliding seat is also symmetrically provided with a follow-up groove, and a short shaft is rotatably installed in the following groove, and a first bevel gear is fixedly installed on the outer wall of the bottom end of the short shaft, and a second bevel gear meshed with the first bevel gear is fixedly installed on the horizontal shaft. The sliding seat is also provided with a positioning groove connected with the annular rotating groove, and a positioning rack is slidably installed in the positioning groove, one end of the positioning rack is fixedly connected with a return spring, and the other end of the return spring is fixedly connected to the inner wall of the positioning groove, and the end of the positioning rack away from the return spring extends to the interior of the annular rotating groove and is inserted in the card slot, and the top of the short shaft extends to the interior of the positioning groove and is fixedly connected with a longitudinal gear, and the longitudinal gear is meshed with the positioning rack.

[0013] Preferably, a ball groove is provided at the bottom end of the sliding rack, a retaining frame is rotatably provided inside the ball groove, and a ball is rotatably provided inside the retaining frame, and the ball can roll along the inclined surface of the wedge block when the slide seat slides horizontally along the slide rail.

[0014] Preferably, a first electric push rod is fixedly mounted on the inner bottom wall of the loading box, a push plate is mounted on the telescopic end of the first electric push rod, and an outer wall of the push plate is in contact with the inner wall of the loading box.

[0015] Preferably, an inclined plate is provided between the feeding box and the receiving box, the inclined plate is inclined, the high side of the inclined plate is fixedly connected to the upper outer wall of the feeding box, and the low side of the inclined plate is fixedly connected to the top outer wall of the receiving box.

[0016] Compared with the related art, the food packaging box forming machine provided by the present invention has the following beneficial effects:

[0017] In the present invention, the plastic hard sheet raw materials in the loading box can be sent to the molding machine for processing through the provided loading and unloading components, thus realizing automatic loading; secondly, after the blister molding is completed, the loading and unloading components can be used to automatically unload the food packaging boxes left on the molding machine after the blister molding is completed, thus greatly reducing the working time, improving the working efficiency, and having good use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a food packaging box forming machine;

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of a food packaging box forming machine;

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of a slide in a food packaging box forming machine;

[0021] Figure 4 It is a schematic diagram of the side view structure of a slide seat and a slide rail in a food packaging box forming machine;

[0022] Figure 5 The diagram is a top view of the structure of a slide seat and a slide rail in a food packaging box forming machine.

[0023] Numbers in the figure: 1, forming machine; 2, pillar; 3, top plate; 4, cylinder; 5, press seat; 6, bottom film; 7, feeding box; 8, receiving box; 9, push plate; 10, first electric push rod; 11, inclined plate; 12, slide rail; 13, electric telescopic rod; 14, slide seat; 15, connecting plate; 16, turntable; 17, support rod; 18, support frame; 19, connecting rod; 20, suction cup manipulator; 21, mounting frame; 2 2. Transmission rack; 23. Gear ring; 24. Articulated seat; 25. Second electric push rod; 26. Right-angle groove; 27. Rotating shaft; 28. Chuck; 29. ​​Slot; 30. Sliding rack; 31. Support spring; 32. Wedge block; 33. Transverse axis; 34. Transverse gear; 35. Short axis; 36. First bevel gear; 37. Second bevel gear; 38. Longitudinal gear; 39. Positioning rack; 40. Return spring. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like are involved, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1, by Figure 1-5 A food packaging box forming machine is provided, comprising a forming machine 1, a feeding box 7 for storing plastic hard sheet raw materials used for forming food packaging boxes, and a receiving box 8 for storing finished food packaging boxes. A slide rail 12 is installed on the side wall of the forming machine 1, a slide seat 14 is slidably installed on the slide rail 12, a connecting plate 15 is fixedly installed on the bottom surface of the slide seat 14, an electric telescopic rod 13 is fixedly installed inside the forming machine 1, and the telescopic end of the electric telescopic rod 13 is fixedly connected to a side wall of the connecting plate 15, and the electric telescopic rod 13 is provided with a loading and unloading assembly for taking out the plastic hard sheet raw materials inside the feeding box 7 and placing them on the forming machine 1 for forming, and taking out the plastic hard sheet raw materials from the forming machine 1 and placing them inside the receiving box 8 after the plastic hard sheet raw materials are formed into packaging boxes;

[0028] In specific implementation, the plastic hard sheet raw materials in the loading box 7 can be sent to the molding machine 1 for processing through the set loading and unloading components, realizing automatic loading; secondly, after the blister molding is completed, the loading and unloading components can be used to automatically unload the food packaging boxes left on the molding machine 1 after the blister molding is completed, which greatly reduces the working time, improves the working efficiency, and has a good use value.

[0029] The molding machine 1 includes a support 2, a top plate 3, a cylinder 4, a press seat 5 and a bottom film 6. The support 2 is fixedly mounted at the four corners of the top of the molding machine 1, the top plate 3 is fixedly mounted on the top of the support 2, the cylinder 4 is fixedly mounted on the top wall of the top plate 3, the press seat 5 is fixedly connected to the driving end of the top plate 3, the bottom film 6 is fixedly mounted on the top surface of the molding machine 1, the press seat 5 is used to install a heating plate or a vacuum device to facilitate the blistering of the packaging box, and the bottom film 6 is used to place the plastic hard sheet raw material;

[0030] In specific implementation, after the plastic hard sheet raw material is transported to the top of the bottom film 6 by the upper and lower material components, the pressure seat 5 is pushed downward by the cylinder 4, and then the plastic hard sheet raw material can be vacuum-formed by a heating plate or vacuum equipment arranged on the pressure seat 5, so that it can be processed into a food packaging box.

[0031] Reference Figure 1-5 The loading and unloading assembly includes a turntable 16, a support rod 17, a support frame 18, a connecting rod 19, a suction cup manipulator 20, a mounting frame 21, a transmission rack 22, a gear ring 23, a hinge seat 24, a second electric push rod 25 and a right-angle groove 26. The turntable 16 is rotatably mounted on the top surface of the slide 14, the support rod 17 is fixedly mounted on the top surface of the turntable 16, the support frame 18 is fixedly mounted on the front end of the support rod 17, the right-angle groove 26 is opened on the support frame 18, the top end of the connecting rod 19 is inserted into the inside of the right-angle groove 26, and the suction cup manipulator 20 is fixed. The second electric push rod 25 is installed at the bottom end of the connecting rod 19, the hinge seat 24 is fixedly installed on the top surface of the turntable 16, one end of the second electric push rod 25 is rotatably connected with the hinge seat 24, and the other end of the second electric push rod 25 is hinged with the side wall of the connecting rod 19 through a pin shaft. The mounting frame 21 is fixedly installed on the side wall of the slide rail 12, the transmission rack 22 is fixedly installed on the mounting frame 21, and the gear ring 23 is fixedly installed on the outer peripheral wall of the turntable 16. The gear ring 23 can roll and mesh with the transmission rack 22 when following the slide seat 14 to slide horizontally on the slide rail 12;

[0032] In specific implementation, when the plastic hard sheet raw material in the loading box 7 needs to be transported to the molding machine 1, the electric telescopic rod 13 pushes the connecting plate 15 to drive the slide 14 to slide horizontally along the slide rail 12. As the slide 14 slides, the suction cup manipulator 20 is located directly above the loading box 7, and then the suction cup manipulator 20 is used to suck the plastic hard sheet raw material in the loading box 7. When the suction cup manipulator 20 completes the material taking operation, the telescopic end of the electric telescopic rod 13 retracts to drive the slide 14 to move toward the molding machine 1. During the movement of the slide 14, the gear ring 23 can move with the gear ring 23. The transmission rack 22 arranged on the mounting frame 21 rolls and meshes, thereby causing the turntable 16 to rotate. The turntable 16 can drive the support frame 18, the connecting rod 19 and the suction cup manipulator 20 to rotate 180° synchronously through the support rod 17. When the suction cup manipulator 20 moves to the top of the bottom film 6, the suction cup manipulator 20 releases the plastic hard sheet material sucked thereon to achieve the effect of automatic feeding. After the feeding is completed, the electric telescopic rod 13 controls the slide seat 14 to slide to the mounting frame 21. At this time, the gear ring 23 rolls and meshes with the transmission rack 22 to cause the turntable 16 to rotate 90°. After the molding machine 1 has finished the vacuum forming of the plastic sheet raw material, the electric telescopic rod 13 pulls the slide 14 back to the position close to the molding machine 1, and the second electric push rod 25 works to make its telescopic end drive the connected connecting rod 19 to move. When the pin shaft on the connecting rod 19 moves to the shaft hole, the connecting rod 19 in the horizontal state is flipped to the vertical state, thereby realizing a 90-degree flip of the suction cup manipulator 20 on the suction packaging box. Then the suction cup manipulator 20 absorbs the food packaging box formed on the molding machine 1, and pushes the connecting rod 19 through the electric telescopic rod 13. The connecting plate 15 drives the slide 14 to slide horizontally along the slide rail 12. As the slide 14 slides, the suction cup manipulator 20 is located directly above the feeding box 7. Since the suction cup manipulator 20 is in a vertical state, when the suction cup manipulator 20 releases its opening, the food packaging box adsorbed on it will fall into the interior of the receiving box 8, and then the telescopic end of the second electric push rod 25 is recovered, and the connecting rod 19 can be pulled to reset, and the suction cup manipulator 20 can be in a horizontal state, so that it can continue to absorb the plastic hard sheet raw materials inside the feeding box 7. When the suction cup manipulator 20 completes the next material picking operation.

[0033] Reference Figure 3 In order to ensure the stability of the rotation of the turntable 16, a rotating shaft 27 is fixedly installed at the center of the bottom surface of the turntable 16, and an annular rotating groove is opened on the upper part of the slide seat 14. The rotating shaft 27 is rotatably arranged inside the annular rotating groove.

[0034] Embodiment 3, by Figure 1-5It is given that, on the basis of the first embodiment, the slide 14 is also provided with a positioning assembly for locking the rotation of the rotating shaft 27 to prevent the turntable 16 from rotating when it does not need to rotate and affecting the loading of the material. The positioning assembly includes a chuck 28, a slot 29, a sliding rack 30, a support spring 31, a wedge block 32, a transverse shaft 33, a transverse gear 34, a short shaft 35, a first bevel gear 36, a second bevel gear 37, a longitudinal gear 38, a positioning rack 39 and a reset spring 40. The rotating shaft 27 is provided with a positioning assembly. A chuck 28 is also installed, and the outer peripheral wall of the chuck 28 is circumferentially provided with a plurality of slots 29, and straight slots are provided on both sides of the inner top wall of the slide seat 14, and a sliding rack 30 is slidably connected inside the straight slot, and a support spring 31 is fixedly installed on the top of the sliding rack 30, and the top of the support spring 31 is fixedly connected to the inner top wall of the straight slot, and a wedge block 32 is fixedly installed on the left and right sides of the wedge block 32, and the top surface of the wedge block 32 is an inclined structure, and a horizontal axis 33 is rotatably arranged inside the slide seat 14 The left and right ends of the horizontal shaft 33 extend to the inside of the adjacent straight grooves respectively, and the left and right ends of the horizontal shaft 33 are fixedly connected with a horizontal gear 34, and the horizontal gear 34 is meshed with the sliding rack 30. The slide seat 14 is also symmetrically provided with a follower groove, and a short shaft 35 is rotatably installed inside the follower groove. A first bevel gear 36 is fixedly installed on the outer wall of the bottom end of the short shaft 35, and a second bevel gear 37 meshed with the first bevel gear 36 is fixedly installed on the horizontal shaft 33. The slide seat 14 is also provided with a positioning groove connected to the annular rotating groove, and a positioning rack 39 is slidably installed inside the positioning groove. One end of the positioning rack 39 is fixedly connected to a return spring 40, and the other end of the return spring 40 is fixedly connected to the inner wall of the positioning groove. The end of the positioning rack 39 away from the return spring 40 extends to the inside of the annular rotating groove and is inserted into the card slot 29. The top of the short shaft 35 extends to the inside of the positioning groove and is fixedly connected with a longitudinal gear 38, which is meshed with the positioning rack 39.

[0035] When the slide 14 moves horizontally along the slide rail 12, the sliding rack 30 moves along the inclined surface provided on the upper part of the wedge block 32, and the sliding rack 30 moves upward with the cooperation of the inclined surface. The upward movement of the sliding rack 30 will drive the transverse gear 34 to rotate. When the transverse gear 34 rotates, it will drive the transverse shaft 33 to rotate. The transverse shaft 33 drives the first bevel gear 36 and the short shaft 35 to rotate through the transmission of the second bevel gear 37. The rotation of the short shaft 35 can drive the longitudinal gear 38 to rotate. The longitudinal gear 38 can drive the sliding rack 30 to move out of the inside of the slot 29. At this time, the positioning effect of the turntable 28 disappears, and the turntable 16 can rotate on the slide 14, thereby ensuring that the rotation will only occur when the gear ring 23 is meshed with the transmission rack 22, thereby avoiding the turntable 16 from rotating when it does not need to rotate, thereby improving the stability of the rotation of the turntable 16.

[0036] Reference Figure 3In order to reduce the sliding friction between the sliding rack 30 and the wedge block 32, a ball groove is opened at the bottom end of the sliding rack 30, and a retaining frame is rotatably arranged inside the ball groove. A ball is rotatably arranged inside the retaining frame. When the slide seat 14 slides horizontally along the slide rail 12, the ball can roll along the inclined surface of the wedge block 32.

[0037] Reference Figure 2 A first electric push rod 10 is fixedly installed on the inner bottom wall of the loading box 7, and a push plate 9 is installed on the telescopic end of the first electric push rod 10. The outer wall of the push plate 9 is in contact with the inner wall of the loading box 7. The first electric push rod 10 can push the push plate 9 to vertically rise and fall inside the loading box 7, thereby pushing the plastic hard sheet raw material placed inside the loading box 7 to move upward, ensuring that the suction cup manipulator 20 can absorb the plastic hard sheet raw material inside the loading box 7.

[0038] Reference Figure 1 and Figure 2 In order to facilitate the formed food packaging boxes to fall into the interior of the receiving box 8 during unloading, an inclined plate 11 is arranged between the loading box 7 and the receiving box 8. The inclined plate 11 is arranged at an angle, and the high side of the inclined plate 11 is fixedly connected to the upper outer wall of the loading box 7, and the low side of the inclined plate 11 is fixedly connected to the top outer wall of the receiving box 8.

[0039] Working principle: When the plastic hard sheet material in the loading box 7 needs to be transported to the molding machine 1, the electric telescopic rod 13 pushes the connecting plate 15 to drive the slide 14 to slide horizontally along the slide rail 12. As the slide 14 slides, the suction cup manipulator 20 is directly above the loading box 7, and then the suction cup manipulator 20 is used to suck the plastic hard sheet material in the loading box 7. When the suction cup manipulator 20 completes the material taking operation, the telescopic end of the electric telescopic rod 13 retracts to drive the slide 14 to move toward the molding machine 1. During the movement of the slide 14, the gear ring 23 can roll and mesh with the transmission rack 22 set on the mounting frame 21, thereby causing the turntable 16 to rotate. The turntable 16 can drive the support frame 18, the connecting rod 19 and the suction cup manipulator 20 to rotate synchronously through the support rod 17. 80°, when the suction cup manipulator 20 moves to the top of the bottom film 6, the suction cup manipulator 20 releases the plastic hard sheet raw material sucked thereon to achieve the effect of automatic feeding. After the feeding is completed, the electric telescopic rod 13 controls the slide 14 to slide to the mounting frame 21. At this time, the gear ring 23 and the transmission rack 22 are rollingly engaged to make the turntable 16 rotate 90°. After the molding machine 1 has completed the vacuum forming of the plastic hard sheet raw material, the electric telescopic rod 13 pulls the slide 14 back to a position close to the molding machine 1, and the second electric push rod 25 works to operate so that its telescopic end drives the connected connecting rod 19 to move. When the pin shaft on the connecting rod 19 moves to the shaft hole, the connecting rod 19 in the horizontal state is flipped to the vertical state at this time, thereby achieving 90° of the suction of the packaging box on the suction cup manipulator 20. The suction cup manipulator 20 sucks the food packaging box formed on the forming machine 1, and the electric telescopic rod 13 pushes the connecting plate 15 to drive the slide 14 to slide horizontally along the slide rail 12. As the slide 14 slides, the suction cup manipulator 20 is directly above the feeding box 7. Since the suction cup manipulator 20 is in a vertical state, when the suction cup manipulator 20 releases the opening, the food packaging box adsorbed on it will fall into the inside of the receiving box 8, and then the telescopic end of the second electric push rod 25 is recovered, the connecting rod 19 can be pulled to reset, and the suction cup manipulator 20 can be in a horizontal state, so that it can continue to absorb the plastic hard sheet raw material inside the feeding box 7. When the suction cup manipulator 20 completes the next material picking operation, when the slide 14 moves horizontally along the slide rail 12, when the sliding rack 30 moves along the wedge The inclined surface provided on the upper part of the block 32 moves, and the sliding rack 30 moves upward with the cooperation of the inclined surface. The upward movement of the sliding rack 30 drives the transverse gear 34 to rotate. When the transverse gear 34 rotates, it drives the transverse shaft 33 to rotate. The transverse shaft 33 drives the first bevel gear 36 and the short shaft 35 to rotate through the transmission of the second bevel gear 37. The rotation of the short shaft 35 can drive the longitudinal gear 38 to rotate. The longitudinal gear 38 can drive the sliding rack 30 to move out of the inside of the slot 29. At this time, the positioning effect of the turntable 28 disappears, and the turntable 16 can rotate on the slide 14, thereby ensuring that the rotation will only occur when the gear ring 23 is meshed with the transmission rack 22, avoiding the turntable 16 from rotating when it does not need to rotate, thereby improving the stability of the rotation of the turntable 16.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A food packaging box forming machine, comprising a forming machine (1), a feeding box (7) for storing plastic hard sheet raw materials used for forming food packaging boxes, and a receiving box (8) for storing finished food packaging boxes, characterized in that: A slide rail (12) is installed on the side wall of the molding machine (1), a slide seat (14) is slidably installed on the slide rail (12), a connecting plate (15) is fixedly installed on the bottom surface of the slide seat (14), an electric telescopic rod (13) is fixedly installed inside the molding machine (1), the telescopic end of the electric telescopic rod (13) is fixedly connected to a side wall of the connecting plate (15), and a loading and unloading assembly is provided on the electric telescopic rod (13) for taking out the plastic hard sheet raw material inside the loading box (7) and placing it on the molding machine (1) for molding, and taking the plastic hard sheet raw material from the molding machine (1) and placing it inside the receiving box (8) after the plastic hard sheet raw material is molded into a packaging box.

2. A food packaging box forming machine according to claim 1, characterized in that: The molding machine (1) comprises a support (2), a top plate (3), a cylinder (4), a pressure seat (5) and a bottom film (6); the support (2) is fixedly mounted at the four corners of the top of the molding machine (1); the top plate (3) is fixedly mounted on the top of the support (2); the cylinder (4) is fixedly mounted on the top wall of the top plate (3); the pressure seat (5) is fixedly connected to the driving end of the top plate (3); the bottom film (6) is fixedly mounted on the top surface of the molding machine (1); the pressure seat (5) is used to mount a heating plate or a vacuum device to facilitate the blistering of the packaging box; and the bottom film (6) is used to place plastic hard sheet raw materials.

3. A food packaging box forming machine according to claim 2, characterized in that: The loading and unloading assembly comprises a turntable (16), a support rod (17), a support frame (18), a connecting rod (19), a suction cup manipulator (20), a mounting frame (21), a transmission rack (22), a gear ring (23), a hinge seat (24), a second electric push rod (25) and a right-angle groove (26); the turntable (16) is rotatably mounted on the top surface of the slide seat (14); the support rod (17) is fixedly mounted on the top surface of the turntable (16); the support frame (18) is fixedly mounted on the front end of the support rod (17); the right-angle groove (26) is provided on the support frame (18); the top end of the connecting rod (19) is inserted into the inside of the right-angle groove (26); the suction cup manipulator (20) The second electric push rod (25) is fixedly mounted on the bottom end of the connecting rod (19), the hinge seat (24) is fixedly mounted on the top surface of the turntable (16), one end of the second electric push rod (25) is rotatably connected to the hinge seat (24), the other end of the second electric push rod (25) is hinged to the side wall of the connecting rod (19) through a pin shaft, the mounting frame (21) is fixedly mounted on the side wall of the slide rail (12), the transmission rack (22) is fixedly mounted on the mounting frame (21), the gear ring (23) is fixedly mounted on the outer peripheral wall of the turntable (16), and the gear ring (23) can be rollingly engaged with the transmission rack (22) when following the slide seat (14) to slide horizontally on the slide rail (12).

4. A food packaging box forming machine according to claim 3, characterized in that: A rotating shaft (27) is fixedly mounted at the center of the bottom surface of the rotating disk (16), an annular rotating groove is opened on the upper part of the sliding seat (14), and the rotating shaft (27) is rotatably arranged inside the annular rotating groove.

5. A food packaging box forming machine according to claim 4, characterized in that: The slide seat (14) is also provided with a positioning assembly for locking the rotation of the rotating shaft (27) to prevent the rotating disk (16) from rotating when it is not necessary to rotate and affecting the loading of materials. The positioning assembly includes a chuck (28), a slot (29), a sliding rack (30), a support spring (31), a wedge block (32), a transverse shaft (33), a transverse gear (34), a short shaft (35), a first bevel gear (36), a second bevel gear (37), a longitudinal gear (38), a positioning rack (39) and a reset spring (40). The rotating shaft (27) is also provided with a chuck (28). The outer peripheral wall of the chuck (28) is circumferentially provided with a plurality of slots (29), the left and right sides of the inner top wall of the slide seat (14) are provided with straight slots, the sliding rack (30) is slidably connected inside the straight slot, the support spring (31) is fixedly mounted on the top of the sliding rack (30), the top of the support spring (31) is fixedly connected to the inner top wall of the straight slot, the wedge block (32) is fixedly mounted on the left and right sides of the wedge block (32), the top surface of the wedge block (32) is an inclined structure, the transverse shaft (33) is rotatably arranged inside the slide seat (14), the transverse shaft (33) is rotatably arranged inside the slide seat (14), and the transverse shaft (33) is rotatably arranged inside the slide seat (14). The left and right ends of the shaft (33) extend to the inside of the adjacent straight grooves respectively, and the left and right ends of the horizontal shaft (33) are fixedly connected with horizontal gears (34), and the horizontal gears (34) are meshed with the sliding rack (30). The slide seat (14) is also symmetrically provided with follower grooves, and a short shaft (35) is rotatably installed inside the follower groove. A first bevel gear (36) is fixedly installed on the outer wall of the bottom end of the short shaft (35). A second bevel gear (37) meshed with the first bevel gear (36) is fixedly installed on the horizontal shaft (33). The slide seat (14) is also provided with a symmetrical follower groove. A positioning groove connected to the annular rotating groove is provided, a positioning rack (39) is slidably installed inside the positioning groove, one end of the positioning rack (39) is fixedly connected to a return spring (40), and the other end of the return spring (40) is fixedly connected to the inner wall of the positioning groove, and one end of the positioning rack (39) away from the return spring (40) extends to the inside of the annular rotating groove and is inserted into the card groove (29), and the top end of the short shaft (35) extends to the inside of the positioning groove and is fixedly connected to a longitudinal gear (38), and the longitudinal gear (38) is meshedly connected with the positioning rack (39).

6. A food packaging box forming machine according to claim 5, characterized in that: A ball groove is provided at the bottom end of the sliding rack (30), a retaining frame is rotatably provided inside the ball groove, and a ball is rotatably provided inside the retaining frame. When the sliding seat (14) slides horizontally along the sliding rail (12), the ball can roll along the inclined surface of the wedge block (32).

7. A food packaging box forming machine according to claim 1, characterized in that: A first electric push rod (10) is fixedly mounted on the inner bottom wall of the loading box (7), a push plate (9) is mounted on the telescopic end of the first electric push rod (10), and the outer wall of the push plate (9) is in contact with the inner wall of the loading box (7).

8. A food packaging box forming machine according to claim 1, characterized in that: An inclined plate (11) is arranged between the feeding box (7) and the receiving box (8); the inclined plate (11) is arranged at an angle; the high side of the inclined plate (11) is fixedly connected to the upper outer wall of the feeding box (7); and the low side of the inclined plate (11) is fixedly connected to the top outer wall of the receiving box (8).

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