Plastic lunch box vacuum forming system and method thereof

Abstract

The invention provides a plastic lunch box blister forming system which comprises an extrusion forming machine, a forming conveyor, a blister forming machine, an automatic punching machine, a lunch box blanking machine and a lunch box stacking machine, one side of the extrusion forming machine is connected with a mixing machine, one end of the mixing machine is connected with the forming machine, a protective cover is arranged on one side of the forming machine, and the forming conveyor is arranged on the other side of the forming machine. The movable device is arranged above the protective cover, the through groove is formed in the bottom of the inner wall of the protective cover, and the collecting assembly is arranged at the bottom of the protective cover. According to the plastic food box vacuum forming system, the protective cover with the two fixing frames and the supporting rollers is arranged at one end of the extrusion forming machine provided with the mixing machine and the forming machine, and the movable devices are matched for operation, so that when a material blank is extruded and formed by the forming machine and then is conveyed to the surface of the forming conveyor, the material blank can be conveyed to the surface of the forming conveyor; molded material blanks exposed outside between the forming machine and the forming conveyor are conveyed through the interiors of the protective cover and the movable cover, and therefore the effect of blocking impurities can be achieved.

Description

Technical Field

[0001] The invention relates to the field of plastic lunch boxes, and in particular to a plastic lunch box vacuum forming system and method. Background Art

[0002] A plastic lunch box is a container used to hold food, mainly made of plastic material.

[0003] At present, when processing plastic lunch boxes, operations such as blank forming of lunch box raw materials, blister forming of lunch box shapes, punching of formed lunch boxes, and stacking of punched lunch boxes are carried out.

[0004] However, when the raw material blanks are formed, the raw materials are made into flat blanks and transported to a conveyor or a blister machine. However, when the current molded blanks are transported from the molding machine to the blister machine, the molded blanks are exposed between the molding machine and the blister machine, and impurities are easily adsorbed on the surface of the blanks and affect the use of the lunch box. At the same time, the residues generated by the current blank molding machine after the blanks are formed cannot be collected.

[0005] Therefore, it is necessary to provide a plastic lunch box blister forming system to solve the above-mentioned technical problems. Summary of the invention

[0006] The invention provides a plastic lunch box blister forming system, which solves the problem that when the existing molded blanks are transported from a molding machine to a blister forming machine, the molded blanks are exposed from the molding machine to the blister forming machine, impurities are easily adsorbed on the surface of the blanks and affect the use of the lunch box, and at the same time, the residues generated by the existing blank forming machine after the blanks are formed cannot be collected.

[0007] In order to solve the above technical problems, the present invention provides a plastic lunch box blister forming system, comprising:

[0008] An extrusion molding machine, a molding conveyor, a blister molding machine, an automatic punching machine, a lunch box feeding machine and a lunch box palletizing machine, wherein one side of the extrusion molding machine is connected to a mixer, and one end of the mixer is connected to a molding machine;

[0009] A protective cover, the protective cover is arranged on one side of the molding machine, and support components are arranged on both sides of the interior of the protective cover, and the support components include two fixing frames, and a support roller is connected between the two fixing frames;

[0010] A movable device, the movable device is arranged above the protective cover;

[0011] A through groove, the through groove is opened at the bottom of the inner wall of the protective cover;

[0012] The collecting component is arranged at the bottom of the protective cover and below the through slot.

[0013] Preferably, the movable device includes a fixed seat, a hydraulic telescopic rod, a connecting seat and a movable cover, the fixed seat is connected to the side of the protective cover, the hydraulic telescopic rod is installed on the surface of the fixed seat, the connecting seat is installed on the top of the hydraulic telescopic rod, and the movable cover is connected to one end of the connecting seat.

[0014] Preferably, the collection assembly includes two mounting sleeves, two rectangular mounting blocks and a collection box, the two mounting sleeves are symmetrically installed at the bottom of the protective cover and are located on both sides of the through groove, the two rectangular mounting blocks are slidably connected to the inside of the two mounting sleeves, and the collection box is installed between the two rectangular mounting blocks.

[0015] Preferably, a handle is connected to one side of the collection box.

[0016] Preferably, a plurality of support frames are connected between the molding machine and the protective cover.

[0017] Preferably, a shielding assembly is provided on one side of the protective cover and the movable cover, and the shielding assembly includes a shielding cover, a rectangular fixing block and a fixing bolt, the rectangular fixing block is connected to one side of the top of the shielding cover, and the fixing bolt is arranged inside the rectangular fixing block.

[0018] Preferably, a telescopic assembly is provided inside the shielding cover, and the telescopic assembly includes a telescopic cover, two sliders, two slide grooves, two external thread blocks and two threaded sleeves, the two sliders are respectively connected to the two sides of the surface of the telescopic cover, the two slide grooves are opened on the two sides of the surface of the shielding cover, the two external thread blocks are respectively connected to the surfaces of the two sliders, and the two threaded sleeves are both threadedly connected to the surfaces of the two external thread blocks.

[0019] Preferably, a disassembly assembly is arranged between the forming machine and the protective cover, and the disassembly assembly includes a fixed mounting seat, a circular rod, a disassembly sleeve, a disassembly frame, a limit block and a limit sleeve, the fixed mounting seat is installed at the bottom of the forming machine, the circular rod is connected to one side of the fixed mounting seat, the disassembly sleeve is arranged on the surface of the circular rod, the disassembly frame is connected to the surface of the disassembly sleeve, and one end of the disassembly frame is connected to one side of the protective cover.

[0020] Preferably, the limiting block is connected to the surface of the circular rod and is located at the left end of the disassembly sleeve, and the limiting sleeve is arranged on the surface of the circular rod and is located at the right end of the disassembly sleeve.

[0021] A method for a plastic lunch box blister forming system, for using the plastic lunch box blister forming system as described above, comprising the following steps:

[0022] S1. When processing the lunch box blank, firstly, the raw material of the lunch box is passed through the extruder, and the processed raw material is conveyed to the inside of the molding machine through the mixer. After the mixed raw material is conveyed to the inside of the molding machine, the molded raw material is placed on the surface of the support roller on the protective cover and then pulled to the molding conveyor for conveying;

[0023] S2. After the molding material is placed on the surface of the support roller in S1, the hydraulic telescopic rod is started to drive the movable cover to move downward and protect the molding material on the surface of the support roller;

[0024] S3. When the molding raw materials are transported to the molding conveyor, the raw materials are lifted and moved by the support rollers on the protective cover. When residues are generated, the residues fall into the collection box through the through groove at the bottom of the inner wall of the protective cover;

[0025] S4. When cleaning the residue inside the collection box, the collection box is pulled to move to the outside of the protective cover. When the collection box moves to the outside, the rectangular mounting blocks on both sides are separated from the mounting sleeve at the bottom of the protective cover.

[0026] Compared with the related art, the plastic lunch box blister forming system provided by the present invention has the following beneficial effects:

[0027] The present invention provides a plastic lunch box vacuum forming system. A protective cover with two fixing frames and supporting rollers is arranged at one end of an extrusion forming machine with a mixer and a forming machine, and a movable device cooperates with each other to form a blank after extrusion forming by the forming machine and then convey it to the surface of a forming conveyor. The formed blank exposed to the outside between the forming machine and the forming conveyor is conveyed through the protective cover and the movable cover, thereby blocking impurities and preventing the impurities from being adsorbed on the surface of the blank to cause pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic structural diagram of a first embodiment of a plastic lunch box blister forming system provided by the present invention;

[0029] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the extrusion molding machine shown;

[0030] Figure 3 for Figure 2 An enlarged schematic diagram of part A is shown;

[0031] Figure 4 for Figure 1A schematic diagram of the three-dimensional structure of the side of the extrusion molding machine shown;

[0032] Figure 5 for Figure 4 An enlarged schematic diagram of part B is shown;

[0033] Figure 6 for Figure 4 An enlarged schematic diagram of part C is shown;

[0034] Figure 7 A schematic structural diagram of a second embodiment of a plastic lunch box blister forming system provided by the present invention;

[0035] Figure 8 for Figure 7 An enlarged schematic diagram of the D portion shown;

[0036] Fig. 9 for Figure 7 An enlarged schematic diagram of part E is shown;

[0037] Fig.10 A schematic structural diagram of a third embodiment of a plastic lunch box blister forming system provided by the present invention;

[0038] Fig.11 for Fig.10 An enlarged schematic diagram of part F is shown.

[0039] Numbers in the figure: 1. Extrusion molding machine; 2. Molding conveyor; 3. Vacuum molding machine; 4. Automatic punching machine; 5. Lunch box feeding machine; 6. Lunch box palletizing machine; 7. Mixing machine; 8. Molding machine; 9. Protective cover;

[0040] 10. Support assembly; 101. Fixed frame; 102. Support roller;

[0041] 11. movable device; 111. fixed seat; 112. hydraulic telescopic rod; 113. connecting seat; 114. movable cover;

[0042] 12. Through slot;

[0043] 13. Collection assembly; 131; 132. Rectangular mounting block; 133. Collection box;

[0044] 14. Handle;

[0045] 15. shielding assembly; 151. shielding cover; 152. rectangular fixing block; 153. fixing bolt;

[0046] 16. Telescopic assembly; 161. Telescopic cover; 162. Sliding block; 163. Sliding groove; 164. External thread block; 165. Threaded sleeve;

[0047] 17. Support frame;

[0048] 18. Disassembly assembly; 181. Fixed mounting seat; 182. Round rod; 183. Disassembly sleeve; 184. Disassembly frame; 185. Limit block; 186. Limit sleeve. DETAILED DESCRIPTION

[0049] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0050] First embodiment

[0051] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 ,in, Figure 1 A schematic structural diagram of a first embodiment of a plastic lunch box blister forming system provided by the present invention; Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the extrusion molding machine shown; Figure 3 for Figure 2 An enlarged schematic diagram of part A is shown; Figure 4 for Figure 1 A schematic diagram of the three-dimensional structure of the side of the extrusion molding machine shown; Figure 5 for Figure 4 An enlarged schematic diagram of part B is shown; Figure 6 for Figure 4 The enlarged schematic diagram of part C is shown. A plastic lunch box blister forming system comprises:

[0052] An extrusion molding machine 1, a molding conveyor 2, a blister molding machine 3, an automatic punching machine 4, a lunch box feeding machine 5 and a lunch box palletizing machine 6, wherein one side of the extrusion molding machine 1 is connected to a mixer 7, and one end of the mixer 7 is connected to a molding machine 8;

[0053] A protective cover 9, wherein the protective cover 9 is arranged on one side of the molding machine 8, and support components 10 are arranged on both sides of the interior of the protective cover 9, and the support components 10 include two fixing frames 101, and a support roller 102 is connected between the two fixing frames 101;

[0054] A movable device 11, wherein the movable device 11 is disposed above the protective cover 9;

[0055] A through slot 12, the through slot 12 is opened at the bottom of the inner wall of the protective cover 9;

[0056] The collecting component 13 is disposed at the bottom of the protective cover 9 and below the through slot 12 .

[0057] The movable device 11 includes a fixed seat 111, a hydraulic telescopic rod 112, a connecting seat 113 and a movable cover 114. The fixed seat 111 is connected to the side of the protective cover 9, the hydraulic telescopic rod 112 is installed on the surface of the fixed seat 111, the connecting seat 113 is installed on the top of the hydraulic telescopic rod 112, and the movable cover 114 is connected to one end of the connecting seat 113.

[0058] The two fixed frames 101 are respectively connected to the left and right sides of the inner wall of the protective cover 9. The support roller 102 is rotatably connected to the two fixed frames 101 through a rotating shaft. The use of the hydraulic telescopic rod 112 can adjust the upper and lower heights of the movable cover 114. Grooves are provided on the left and right sides of the movable cover 114 and the protective cover 9 to facilitate the movement of the blank.

[0059] The collecting assembly 13 includes two mounting sleeves 131, two rectangular mounting blocks 132 and a collecting box 133. The two mounting sleeves 131 are symmetrically mounted at the bottom of the protective cover 9 and located on both sides of the through groove 12. The two rectangular mounting blocks 132 are both slidably connected to the inside of the two mounting sleeves 131. The collecting box 133 is mounted between the two rectangular mounting blocks 132.

[0060] A handle 14 is connected to one side of the collection box 133 .

[0061] A plurality of support frames 17 are connected between the molding machine 8 and the protective cover 9 .

[0062] The shape of the interior of the mounting sleeve 131 and the shape of the rectangular mounting block 132 are matched in a T-shape.

[0063] Compared with the related art, the plastic lunch box blister forming system provided by the present invention has the following beneficial effects:

[0064] The present invention provides a plastic lunch box vacuum forming system. A protective cover 9 with two fixing frames 101 and a supporting roller 102 and a movable device 11 are arranged at one end of an extrusion forming machine 1 with a mixer 7 and a forming machine 8, and the protective cover 9 and a movable device 11 cooperate with each other to operate. When the material embryo is extruded and formed by the forming machine 8 and then conveyed to the surface of a forming conveyor 2, the formed material embryo exposed to the outside between the forming machine 8 and the forming conveyor 2 is conveyed through the protective cover 9 and the movable cover 114, thereby blocking impurities and preventing the impurities from being adsorbed on the surface of the material embryo to cause pollution.

[0065] Second embodiment

[0066] Please refer to Figure 7 , Figure 8 and Fig. 9Based on the plastic lunch box blister forming system provided in the first embodiment of the present application, the second embodiment of the present application proposes another plastic lunch box blister forming system. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0067] Specifically, the difference of a plastic lunch box blister molding system provided in the second embodiment of the present application is that, in a plastic lunch box blister molding system, a shielding component 15 is provided on one side of the protective cover 9 and the movable cover 114, and the shielding component 15 includes a shielding cover 151, a rectangular fixing block 152 and a fixing bolt 153, the rectangular fixing block 152 is connected to one side of the top of the shielding cover 151, and the fixing bolt 153 is arranged inside the rectangular fixing block 152.

[0068] A telescopic assembly 16 is provided inside the shielding cover 151, and the telescopic assembly 16 includes a telescopic cover 161, two sliders 162, two slide grooves 163, two external thread blocks 164 and two threaded sleeves 165. The two sliders 162 are respectively connected to the two sides of the surface of the telescopic cover 161, the two slide grooves 163 are opened on the two sides of the surface of the shielding cover 151, the two external thread blocks 164 are respectively connected to the surfaces of the two sliders 162, and the two threaded sleeves 165 are both threadedly connected to the surfaces of the two external thread blocks 164.

[0069] The telescopic cover 161 is arranged inside the shielding cover 151. The use of the slider 162 and the slide groove 163 facilitates the adjustment of the telescopic cover 161 inside the shielding cover 151. The shielding cover 151 is fixedly connected to one side of the protective cover 9 or one side of the movable cover 114 through the rectangular fixing block 152 and the fixing bolt 153 respectively.

[0070] The working principle of a plastic lunch box blister forming system provided by the present invention is as follows:

[0071] During use, when the telescopic cover 161 is adjusted inside the shielding cover 151, first pull the telescopic cover 161 to move inside the shielding cover 151. When the telescopic cover 161 moves inside the shielding cover 151, it drives the sliders 162 on both sides to move inside the slide groove 163 on the shielding cover 151. When the telescopic cover 161 is adjusted to a suitable position, use the threaded sleeve 165 to threadably connect it with the external threaded block 164 on the surface of the slider 162 to fix the telescopic cover 161 for use.

[0072] Compared with the related art, the plastic lunch box blister forming system provided by the present invention has the following beneficial effects:

[0073] The present invention provides a plastic lunch box blister forming system. A shielding component 15 and a telescopic component 16 are arranged on one side of a protective cover 9 and a movable cover 114 to provide secondary protection for the exposed raw materials when the raw materials pass through the protective cover 9 and the movable cover 114 and are transported to the surface of a forming conveyor 2.

[0074] Third embodiment

[0075] Please refer to Fig.10 and Fig.11 Based on the plastic lunch box blister forming system provided in the first embodiment of the present application, the third embodiment of the present application proposes another plastic lunch box blister forming system. The third embodiment is only a preferred embodiment of the first embodiment, and the implementation of the third embodiment will not affect the independent implementation of the first embodiment.

[0076] Specifically, the difference of a plastic lunch box blister molding system provided in the third embodiment of the present application is that, in a plastic lunch box blister molding system, a disassembly assembly 18 is arranged between the molding machine 8 and the protective cover 9, and the disassembly assembly 18 includes a fixed mounting seat 181, a circular rod 182, a disassembly sleeve 183, a disassembly frame 184, a limit block 185 and a limit sleeve 186, the fixed mounting seat 181 is installed at the bottom of the molding machine 8, the circular rod 182 is connected to one side of the fixed mounting seat 181, the disassembly sleeve 183 is sleeved on the surface of the circular rod 182, the disassembly frame 184 is connected to the surface of the disassembly sleeve 183, and one end of the disassembly frame 184 is connected to one side of the protective cover 9.

[0077] The use of the limit block 185 facilitates the position restriction after the disassembly sleeve 183 is installed on the surface of the circular rod 182 , and the use of the limit sleeve 186 facilitates the fixing of the disassembly sleeve 183 when it is installed on the surface of the circular rod 182 .

[0078] The limiting block 185 is connected to the surface of the circular rod 182 and is located at the left end of the disassembly sleeve 183 . The limiting sleeve 186 is sleeved on the surface of the circular rod 182 and is located at the right side of the disassembly sleeve 183 .

[0079] The working principle of a plastic lunch box blister forming system provided by the present invention is as follows:

[0080] During use, when the protective cover 9 is installed, first, the disassembly frame 184 with the disassembly sleeve 183 on one side of the protective cover 9 is mounted on the surface of the circular rod 182. After the disassembly sleeve 183 is mounted on the surface of the circular rod 182, the protective cover 9 is pushed to move toward the side of the molding machine 8. When one side of the protective cover 9 moves to contact with one side of the molding machine 8, the disassembly sleeve 183 is fixed by mounting the limit sleeve 186 on the surface of the circular rod 182.

[0081] Compared with the related art, the plastic lunch box blister forming system provided by the present invention has the following beneficial effects:

[0082] The present invention provides a plastic lunch box vacuum forming system, wherein a disassembly assembly 18 is arranged between a forming machine 8 and a protective cover 9 to facilitate installation and disassembly of the entire device and the forming machine 8.

[0083] A method for a plastic lunch box blister forming system, for using the plastic lunch box blister forming system as described above, comprising the following steps:

[0084] S1. When processing the lunch box blank, firstly, the raw material of the lunch box is passed through the extruder 1, and the processed raw material is conveyed to the inside of the molding machine 8 through the mixer 7. After the mixed raw material is conveyed to the inside of the molding machine 8, the molded raw material is placed on the surface of the support roller 102 on the protective cover 9 and then pulled to the molding conveyor 2 for conveyance;

[0085] S2. After the molding material is placed on the surface of the support roller 102 in S1, the hydraulic telescopic rod 113 is started to drive the movable cover 114 to move downward and protect the molding material on the surface of the support roller 102;

[0086] S3, when the molding raw material is transported to the molding conveyor 2, the raw material is lifted and moved by the support roller 102 on the protective cover 9, and when residue is generated, the residue falls into the inside of the collection box 133 through the through groove 12 at the bottom of the inner wall of the protective cover 9;

[0087] S4. When cleaning the residue inside the collection box 133, the collection box 133 is pulled to move to the outside of the protective cover 9. When the collection box 133 moves to the outside, the rectangular mounting blocks 132 on both sides are separated from the mounting sleeve 131 at the bottom of the protective cover 9.

[0088] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A plastic lunch box blister forming system, characterized in that: include: An extrusion molding machine, a molding conveyor, a blister molding machine, an automatic punching machine, a lunch box feeding machine and a lunch box palletizing machine, wherein one side of the extrusion molding machine is connected to a mixer, and one end of the mixer is connected to a molding machine; A protective cover, the protective cover is arranged on one side of the molding machine, and support components are arranged on both sides of the interior of the protective cover, and the support components include two fixing frames, and a support roller is connected between the two fixing frames; A movable device, the movable device is arranged above the protective cover; A through groove, the through groove is opened at the bottom of the inner wall of the protective cover; The collecting component is arranged at the bottom of the protective cover and below the through slot.

2. The plastic lunch box blister forming system according to claim 1, characterized in that: The movable device includes a fixed seat, a hydraulic telescopic rod, a connecting seat and a movable cover, the fixed seat is connected to the side of the protective cover, the hydraulic telescopic rod is installed on the surface of the fixed seat, the connecting seat is installed on the top of the hydraulic telescopic rod, and the movable cover is connected to one end of the connecting seat.

3. The plastic lunch box blister forming system according to claim 1, characterized in that: The collection assembly includes two mounting sleeves, two rectangular mounting blocks and a collection box. The two mounting sleeves are symmetrically mounted at the bottom of the protective cover and located on both sides of the through groove. The two rectangular mounting blocks are slidably connected to the inside of the two mounting sleeves, and the collection box is installed between the two rectangular mounting blocks.

4. The plastic lunch box blister forming system according to claim 3, characterized in that: A handle is connected to one side of the collection box.

5. The plastic lunch box blister forming system according to claim 1, characterized in that: A plurality of support frames are connected between the molding machine and the protective cover.

6. The plastic lunch box blister forming system according to claim 2, characterized in that: A shielding assembly is arranged on one side of the protective cover and the movable cover. The shielding assembly comprises a shielding cover, a rectangular fixing block and a fixing bolt. The rectangular fixing block is connected to one side of the top of the shielding cover, and the fixing bolt is arranged inside the rectangular fixing block.

7. The plastic lunch box blister forming system according to claim 6, characterized in that: A telescopic assembly is arranged inside the shielding cover, and the telescopic assembly includes a telescopic cover, two sliders, two slide grooves, two external thread blocks and two threaded sleeves. The two sliders are respectively connected to the two sides of the surface of the telescopic cover, the two slide grooves are opened on the two sides of the surface of the shielding cover, the two external thread blocks are respectively connected to the surfaces of the two sliders, and the two threaded sleeves are both threadedly connected to the surfaces of the two external thread blocks.

8. The plastic lunch box blister forming system according to claim 1, characterized in that: A disassembly assembly is arranged between the molding machine and the protective cover, and the disassembly assembly includes a fixed mounting seat, a round rod, a disassembly sleeve, a disassembly frame, a limit block and a limit sleeve. The fixed mounting seat is installed at the bottom of the molding machine, the round rod is connected to one side of the fixed mounting seat, the disassembly sleeve is arranged on the surface of the round rod, the disassembly frame is connected to the surface of the disassembly sleeve, and one end of the disassembly frame is connected to one side of the protective cover.

9. The plastic lunch box blister forming system according to claim 8, characterized in that: The limiting block is connected to the surface of the circular rod and is located at the left end of the disassembly sleeve, and the limiting sleeve is arranged on the surface of the circular rod and is located at the right end of the disassembly sleeve.

10. A method for a plastic lunch box blister forming system, for using the plastic lunch box blister forming system as described in claims 1 to 5, characterized in that: The following steps are involved: S1. When processing the lunch box blank, firstly, the raw material of the lunch box is passed through the extruder, and the processed raw material is conveyed to the inside of the molding machine through the mixer. After the mixed raw material is conveyed to the inside of the molding machine, the molded raw material is placed on the surface of the support roller on the protective cover and then pulled to the molding conveyor for conveying; S2. After the molding material is placed on the surface of the support roller in S1, the hydraulic telescopic rod is started to drive the movable cover to move downward and protect the molding material on the surface of the support roller; S3. When the molding raw materials are transported to the molding conveyor, the raw materials are lifted and moved by the support rollers on the protective cover. When residues are generated, the residues fall into the collection box through the through groove at the bottom of the inner wall of the protective cover; S4. When cleaning the residue inside the collection box, the collection box is pulled to move to the outside of the protective cover. When the collection box moves to the outside, the rectangular mounting blocks on both sides are separated from the mounting sleeve at the bottom of the protective cover.

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