Plastic uptake device for PP plastic tray production

Abstract

The utility model belongs to the technical field of plastic uptake equipment, and particularly relates to a plastic uptake device for PP plastic tray production, which comprises a worktable, a mounting groove is formed in the center of the top of the worktable, a heating plate is fixedly mounted in the mounting groove, and supporting rods are fixedly connected to the front and the rear of the left and right sides of the top of the worktable. A top plate is fixedly connected to the top ends of the supporting rods, an electric push rod is fixedly installed at the center of the top of the top plate, the bottom end of the electric push rod penetrates through the top plate and is fixedly connected with a heat dissipation plate, a mold is fixedly installed at the bottom of the heat dissipation plate, grooves are formed in the left side and the right side of the workbench correspondingly, and the upper surfaces of the interiors of the grooves communicate with the outside. The PP coiled material conveyed by the conveying roller is tensioned through cooperation of the limiting assembly and the tensioning roller, and the PP coiled material is conveniently tensioned before plastic uptake forming, so that the manufactured tray is not prone to wrinkling, and the using effect of the device is good.

Description

Technical Field

[0001] The utility model relates to the technical field of blister equipment, in particular to a blister device used for producing PP plastic trays. Background Art

[0002] The blister machine, also known as the thermoplastic forming machine, is a machine that blister-forms heated and plasticized thermoplastic plastic coils such as PVC, PE, PP, PET, HIPS, etc. into various shapes of high-end packaging boxes, frames, and other products. The vacuum suction generated by the vacuum pump is used to blister-form the heated and softened thermoplastic plastic sheets such as PVC and PET into various shapes of vacuum covers, blister trays, blister shells, etc. through molds. PP is polypropylene, which has high transparency and is mostly used for food packaging. Therefore, blister machines are often used to blister-form PP coils and films into trays, packaging boxes, etc.

[0003] However, most of the existing blister forming devices for the production of PP plastic pallets are inconvenient to tension the PP coil before blister forming, and will cause the manufactured pallets to easily wrinkle, resulting in the device being not effective enough. Therefore, in view of the above problems, a blister forming device for the production of PP plastic pallets is proposed. Utility Model Content

[0004] In order to make up for the shortcomings of the prior art and solve the problem that most of the existing blister devices used for the production of PP plastic pallets are inconvenient to tension the PP coil before blister molding, and the manufactured pallets are prone to wrinkles, thus making the use effect of the device not good enough, the utility model proposes a blister device for the production of PP plastic pallets.

[0005] The technical solution adopted by the utility model to solve its technical problems is: the utility model described in the utility model is a blister device for the production of PP plastic pallets, including a workbench, a mounting groove is opened at the center of the top of the workbench, a heating plate is fixedly installed inside the mounting groove, the front and rear of the left and right sides of the top of the workbench are fixedly connected with support rods, the top of the support rods is fixedly connected with a top plate, an electric push rod is fixedly installed at the center of the top of the top plate, the bottom end of the electric push rod passes through the top plate and is fixedly connected with a heat sink, a mold is fixedly installed at the bottom of the heat sink, grooves are opened on the left and right sides of the workbench, the upper surface of the groove is connected to the outside, and the rotation between the centers of the front and rear surfaces inside the groove The workbench is dynamically connected with a conveying roller, and the left and right sides of the top of the workbench are fixedly connected with a support frame, a limiting component is arranged inside the support frame, and installation components are arranged at the front and rear of the limiting component. A tensioning roller is installed inside the limiting component through two installation components, and the PP coil transmitted by the conveying roller is tensioned by the cooperation of the limiting component and the tensioning roller, and it is convenient to tension the PP coil before vacuum forming, so that it is not easy to cause wrinkles on the manufactured pallet, and the use effect of the device is better. At the same time, the installation component is convenient for disassembly, cleaning and replacement of the tensioning roller, and it is convenient to reinstall after disassembly, so that the device can meet more usage requirements and make the device more functional.

[0006] Preferably, vertical rods are fixedly connected to the front and rear of the left and right sides of the top of the heat sink, and the top ends of the vertical rods pass through the top of the top plate and are slidably connected to the top plate. The sliding connection between the vertical rods and the top plate makes the movement of the heat sink and the mold more stable.

[0007] Preferably, the tensioning roller corresponds to the conveying roller, and the outer surface of the tensioning roller is in contact with the outer surface of the conveying roller. The tensioning roller can be separated from the conveying roller, and the tensioning roller is convenient for tensioning the conveyed PP coil.

[0008] Preferably, the limit assembly includes two limit plates, and the two limit plates are respectively arranged at the front and rear of the support frame, a front and rear through-type limit groove is opened at the lower part of the center of the limit plate, and the lower surface of the limit groove is communicated with the outside, the front and rear ends of the tensioning roller are installed in the limit groove through the installation assembly, a slide groove is opened at the center of the front and rear surfaces of the support frame, a slider is slidably connected in the slide groove, and the opposite sides of the two sliders are respectively fixedly connected to the opposite sides of the two limit plates, and a spring is fixedly connected between the left and right sides of the top of the limit plate and the upper surface of the support frame. The front and rear of the upper surface of the support frame are provided with guide holes that penetrate up and down. A guide rod is fixedly connected to the center of the top of the limit plate, and the top of the guide rod passes through the guide hole. The guide rod is moved to slide inside the guide hole. After the guide rod moves, the limit plate can move stably under the limit of the sliding of the slider inside the slide groove. After the limit plate moves, it can drive the tensioning roller installed by the installation assembly to move. After the limit plate moves, the spring one is squeezed so that the spring one has a rebound force. Then the rebound force of the spring one can make the tensioning roller squeeze and tension the PP coil passing through the conveying roller, and it can adapt to PP coils of different thicknesses.

[0009] Preferably, the mounting assembly includes two through slots, and the two through slots are respectively opened at the centers of the left and right sides of the limiting slot and penetrate left and right, a sliding ring is slidably connected inside the through slot, a fixing ring is fixedly connected inside the through slot, a spring 2 is fixedly connected between the sliding ring and the fixing ring, a pull rod is passed through and fixedly connected inside the sliding ring, and the end of the pull rod away from the center of the limiting slot penetrates the spring 2 and the fixing ring, and the end of the pull rod close to the center of the limiting slot is fixedly connected to a plug plate, the outer surface of the roller shaft of the tensioning roller is located inside the limiting slot and has a circle of continuous slots, and the plug plate is plugged into the slot and movably connected to the slot, the mounting assembly facilitates the disassembly, cleaning and replacement of the tensioning roller, and facilitates reinstallation after disassembly, so that the device can meet more usage requirements and makes the device more functional.

[0010] Preferably, one end of the pull rod away from the inner center of the limiting groove passes through the side surface of the limiting plate and is fixedly connected with a pull handle, which facilitates the movement of the pull rod.

[0011] Preferably, the top end of the guide rod passes through the top of the support frame and is fixedly connected with a handle, which facilitates the movement of the guide rod.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model tensions the PP coil transmitted by the transmission roller through the cooperation of the limit assembly and the tensioning roller, and is convenient for tensioning the PP coil before vacuum forming, so that it is not easy to cause wrinkles on the manufactured pallet and the use effect of the device is better.

[0014] 2. The utility model facilitates the disassembly, cleaning and replacement of the tensioning roller through the installation assembly, and facilitates reinstallation after disassembly, so that the device can meet more usage requirements and make the device more functional. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure in the first embodiment;

[0017] Figure 2 It is a schematic diagram of a partial front cross-section structure in the first embodiment;

[0018] Figure 3 It is a schematic diagram of a partial left-section structure in Embodiment 1;

[0019] Figure 4 This is a schematic diagram of the front cross-section structure of the installation assembly in Example 1;

[0020] Figure 5 This is a schematic diagram of the handle structure in the second embodiment.

[0021] In the figure: 1. workbench; 2. support rod; 3. support frame; 4. tensioning roller; 5. limit assembly; 501. guide hole; 502. guide rod; 503. spring one; 504. slide groove; 505. slider; 506. limit plate; 507. limit groove; 508. handle; 6. installation assembly; 601. slot; 602. plug plate; 603. through groove; 604. pull handle; 605. pull rod; 606. spring two; 607. sliding ring; 608. fixing ring; 7. top plate; 8. vertical rod; 9. electric push rod; 10. heat sink; 11. mold; 12. installation groove; 13. heating plate; 14. groove; 15. conveyor roller. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figure 1-4 As shown, a blister device for producing PP plastic pallets comprises a workbench 1, a mounting groove 12 is provided at the center of the top of the workbench 1, a heating plate 13 is fixedly installed inside the mounting groove 12, support rods 2 are fixedly connected to the front and rear of the left and right sides of the top of the workbench 1, a top plate 7 is fixedly connected to the top of the support rod 2, an electric push rod 9 is fixedly installed at the center of the top of the top plate 7, the bottom end of the electric push rod 9 passes through the top plate 7 and is fixedly connected to a heat sink 10, a mold 11 is fixedly installed at the bottom of the heat sink 10, and the workbench 1 is fixedly connected to the front and rear of the left and right sides of the top of the workbench 1. The left and right sides of the workbench 1 are provided with grooves 14, the upper surface of the groove 14 is communicated with the outside, and a conveying roller 15 is rotatably connected between the centers of the front and rear surfaces of the groove 14. The left and right sides of the top of the workbench 1 are fixedly connected with a support frame 3, and a limit assembly 5 is arranged inside the support frame 3. The front and rear of the limit assembly 5 are provided with mounting assemblies 6, and a tensioning roller 4 is installed inside the limit assembly 5 through two mounting assemblies 6. When working, the bottom of the workbench 1 is first fitted to the flat ground so that the device is placed firmly, and After the device is firmly placed, the PP coil is conveyed through the conveying roller 15, and then the PP coil can be tensioned by the cooperation of the limit assembly 5 and the tensioning roller 4 before the vacuum forming when passing through the conveying roller 15, and the PP coil is conveyed to the top of the heating plate 13 and heated by the heating plate 13, and then the electric push rod 9 is energized to drive the heat sink 10 and the mold 11 to vacuum form the heated PP coil, and the mold 11 is connected to the external vacuum pump for vacuum forming, and then connected to the heat sink 10 through the chiller The PP plastic pallet is cooled after the vacuum forming, and can be made into a PP plastic pallet after cooling, so the PP coil transmitted by the conveying roller 15 is tensioned by the cooperation of the limit component 5 and the tensioning roller 4, and it is convenient to tension the PP coil before the vacuum forming, so that it is not easy to cause wrinkles on the manufactured pallet, and the use effect of the device is better. At the same time, the installation component 6 is convenient for disassembly, cleaning and replacement of the tensioning roller 4, and it is convenient to reinstall after disassembly, so that the device can meet more usage requirements and make the device more functional.

[0025] The front and rear of the left and right sides of the top of the heat sink 10 are fixedly connected with vertical rods 8, and the top ends of the vertical rods 8 pass through the top of the top plate 7 and are slidably connected to the top plate 7; during operation, the sliding connection between the vertical rods 8 and the top plate 7 makes the movement of the heat sink 10 and the mold 11 more stable.

[0026] The tensioning roller 4 corresponds to the conveying roller 15, and the outer surface of the tensioning roller 4 is in contact with the outer surface of the conveying roller 15; when working, the tensioning roller 4 can be separated from the conveying roller 15, and it is convenient for the tensioning roller 4 to tension the conveyed PP coil.

[0027] The limiting assembly 5 includes two limiting plates 506, and the two limiting plates 506 are respectively arranged at the front and rear of the support frame 3. A front and rear through-type limiting groove 507 is opened at the lower part of the center of the limiting plate 506, and the lower surface of the limiting groove 507 is communicated with the outside. The front and rear ends of the tensioning roller 4 are installed in the limiting groove 507 through the mounting assembly 6. A sliding groove 504 is opened at the center of the front and rear surfaces of the support frame 3. A slider 505 is slidably connected inside the sliding groove 504, and the opposite sides of the two sliders 505 are fixedly connected to the opposite sides of the two limiting plates 506 respectively. A spring 503 is fixedly connected between the left and right sides of the top of the limiting plate 506 and the upper surface of the support frame 3. A guide hole 501 that penetrates up and down is opened at the front and rear of the surface, and a guide rod 502 is fixedly connected to the center of the top of the limit plate 506, and the top of the guide rod 502 passes through the guide hole 501; when working, the guide rod 502 is first moved to make the guide rod 502 slide inside the guide hole 501, and after the guide rod 502 moves, the slider 505 slides inside the slide groove 504 to make the limit plate 506 move stably, and after the limit plate 506 moves, it can drive the tensioning roller 4 installed by the installation component 6 to move, and then the limit plate 506 moves to squeeze the spring 503 so that the spring 503 has a rebound force, and then the rebound force of the spring 503 can make the tensioning roller 4 squeeze and tension the PP coil passing through the conveying roller 15, and it can adapt to PP coils of different thicknesses.

[0028] The mounting assembly 6 includes two through slots 603, and the two through slots 603 are respectively arranged at the center of the left and right sides of the limiting slot 507 and penetrate left and right. A sliding ring 607 is slidably connected inside the through slot 603, a fixing ring 608 is fixedly connected inside the through slot 603, a second spring 606 is fixedly connected between the sliding ring 607 and the fixing ring 608, a pull rod 605 is fixedly connected inside the sliding ring 607, and one end of the pull rod 605 away from the center of the limiting slot 507 penetrates the second spring 606 and the fixing ring 608, and one end of the pull rod 605 close to the center of the limiting slot 507 is fixedly connected with an insert plate 602, and the outer surface of the roller shaft of the tensioning roller 4 is located inside the limiting slot 507 and has a circle of continuous slots 601, and the insert plate 602 is inserted into the slot 601 and movably connected to the slot 601; During operation, the pull rod 605 is moved so that the pull rod 605 drives the sliding ring 607 to slide inside the through slot 603, and the sliding ring 607 slides to squeeze the spring 2 606 so that the spring 2 606 has a rebound force, and then the pull rod 605 moves to drive the plug plate 602 to move, and the plug plate 602 moves and disengages from the slot 601 to disengage the roller shaft of the tensioning roller 4, and then the tensioning roller 4 is moved to be removed from the limiting slot 507 for disassembly, and when it is disassembled again During the first installation, first move the pull rod 605, and then insert the roller shaft of the tensioning roller 4 into the limiting groove 507, and make the slot 601 correspond to the plug plate 602, and then loosen the pull rod 605 so that the plug plate 602 moves and is inserted into the slot 601 under the action of the rebound force of the spring 606 to limit the roller shaft of the tensioning roller 4. The tensioning roller 4 can rotate when the PP coil is extruded and tensioned through the active connection between the plug plate 602 and the slot 601.

[0029] One end of the pull rod 605 away from the inner center of the limiting groove 507 passes through the side surface of the limiting plate 506 and is fixedly connected with a pull handle 604; when working, the pull handle 604 facilitates the movement of the pull rod 605.

[0030] Embodiment 2

[0031] See also Figure 5 As shown, compared with Example 1, as another implementation of the utility model, the top end of the guide rod 502 passes through the top of the support frame 3 and is fixedly connected with a handle 508; when working, the handle 508 facilitates the movement of the guide rod 502.

[0032] Working principle: first, the bottom of the workbench 1 is fitted with the flat ground to make the device stable, and after the device is placed firmly, the PP coil is conveyed through the conveying roller 15, and then the guide rod 502 is moved to make the guide rod 502 slide inside the guide hole 501, and after the guide rod 502 moves, the slider 505 slides inside the slide groove 504 to make the limit plate 506 move stably, and after the limit plate 506 moves, it can drive the tensioning roller 4 installed by the installation component 6 to move, and then the limit plate 506 moves to the elastic The spring 503 is squeezed so that the spring 503 has a rebound force, and then the rebound force of the spring 503 can make the tensioning roller 4 squeeze and tension the PP coil passing through the conveying roller 15, and can adapt to PP coils of different thicknesses, and the PP coil is conveyed to the top of the heating plate 13 and is heated by the heating plate 13, and then the electric push rod 9 is energized to drive the heat sink 10 and the mold 11 to perform vacuum forming on the heated PP coil, and the mold 11 is connected to an external vacuum pump for vacuum forming when the vacuum forming is performed. Then, the PP plastic pallet after vacuum forming is cooled by connecting the chiller to the heat sink 10, and the PP plastic pallet can be made after cooling. At the same time, the pull rod 605 is moved so that the pull rod 605 drives the sliding ring 607 to slide inside the through groove 603, and the sliding ring 607 slides to squeeze the spring 2 606 so that the spring 2 606 has a rebound force, and then the pull rod 605 moves and drives the plug plate 602 to move, and the plug plate 602 moves and disengages from the slot 601 to disengage from the roller shaft of the tensioning roller 4, and then moves The tensioning roller 4 can be removed from the limiting groove 507 for disassembly. When it is installed again, the pull rod 605 is moved first, and then the roller shaft of the tensioning roller 4 is inserted into the limiting groove 507, and the slot 601 is made to correspond to the plug plate 602. Then, the pull rod 605 is loosened so that the plug plate 602 moves and is plugged into the slot 601 under the action of the rebound force of the spring 2 606 to limit the roller shaft of the tensioning roller 4. The tensioning roller 4 is movably connected with the slot 601 through the plug plate 602, so that it can rotate when the PP coil is extruded and tensioned.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A blister device for the production of PP plastic pallets, characterized by: The workbench (1) comprises a mounting groove (12) at the center of the top of the workbench (1), a heating plate (13) is fixedly installed inside the mounting groove (12), support rods (2) are fixedly connected to the front and rear of the left and right sides of the top of the workbench (1), a top plate (7) is fixedly connected to the top of the support rod (2), an electric push rod (9) is fixedly installed at the center of the top of the top plate (7), the bottom end of the electric push rod (9) passes through the top plate (7) and is fixedly connected to a heat sink (10), and a mold is fixedly installed at the bottom of the heat sink (10) (11), grooves (14) are provided on both left and right sides of the workbench (1), the upper surface of the groove (14) is communicated with the outside, a conveying roller (15) is rotatably connected between the centers of the front and rear surfaces of the groove (14), a support frame (3) is fixedly connected to the top of the workbench (1) on both left and right sides, a limit assembly (5) is provided inside the support frame (3), a mounting assembly (6) is provided at the front and rear of the limit assembly (5), and a tensioning roller (4) is installed inside the limit assembly (5) through two mounting assemblies (6).

2. A blister device for producing PP plastic pallets according to claim 1, characterized in that: Vertical rods (8) are fixedly connected to the front and rear of the left and right sides of the top of the heat dissipation plate (10), and the top ends of the vertical rods (8) penetrate the top of the top plate (7) and are slidably connected to the top plate (7).

3. The blister device for producing PP plastic pallets according to claim 2, characterized in that: The tensioning roller (4) corresponds to the conveying roller (15), and the outer surface of the tensioning roller (4) is in contact with the outer surface of the conveying roller (15).

4. The blister device for producing PP plastic pallets according to claim 3, characterized in that: The limiting assembly (5) comprises two limiting plates (506), and the two limiting plates (506) are respectively arranged at the front and rear of the support frame (3). A front-to-rear through-type limiting groove (507) is provided at the lower part of the inner center of the limiting plate (506), and the lower surface of the inner part of the limiting groove (507) is communicated with the outside. The front and rear ends of the tensioning roller (4) are both installed in the limiting groove (507) through the mounting assembly (6). A slide groove (504) is provided at the center of the front and rear surfaces of the inner part of the support frame (3), and the inner part of the slide groove (504) is provided with a plurality of grooves. A slider (505) is slidably connected to the upper part, and the opposite sides of the two sliders (505) are fixedly connected to the opposite sides of the two limit plates (506), and a spring (503) is fixedly connected between the left and right sides of the top of the limit plate (506) and the inner upper surface of the support frame (3). The front and rear of the inner upper surface of the support frame (3) are provided with guide holes (501) that penetrate up and down. A guide rod (502) is fixedly connected to the center of the top of the limit plate (506), and the top end of the guide rod (502) penetrates the guide hole (501).

5. The blister device for producing PP plastic pallets according to claim 4, characterized in that: The mounting assembly (6) includes two through grooves (603), and the two through grooves (603) are respectively arranged at the center of the left and right sides of the limiting groove (507) and penetrate the left and right sides, a sliding ring (607) is slidably connected inside the through groove (603), a fixing ring (608) is fixedly connected inside the through groove (603), a spring 2 (606) is fixedly connected between the sliding ring (607) and the fixing ring (608), a pull rod (605) is fixedly connected to the inside of the sliding ring (607), and One end of the pull rod (605) away from the inner center of the limiting groove (507) passes through the spring 2 (606) and the fixing ring (608), and one end of the pull rod (605) close to the inner center of the limiting groove (507) is fixedly connected with an insert plate (602), and the outer surface of the roller shaft of the tensioning roller (4) is located inside the limiting groove (507) and has a circle of continuous slots (601), and the insert plate (602) is inserted into the slot (601) and is movably connected to the slot (601).

6. The blister device for producing PP plastic pallets according to claim 5, characterized in that: One end of the pull rod (605) away from the inner center of the limiting groove (507) passes through the side surface of the limiting plate (506) and is fixedly connected to a pull handle (604).

7. The blister device for producing PP plastic pallets according to claim 6, characterized in that: The top end of the guide rod (502) passes through the top of the support frame (3) and is fixedly connected to a handle (508).

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