Plastic plate forming equipment

Abstract

The utility model discloses plastic plate forming equipment. The plastic plate forming equipment comprises an inclined workbench and a punch forming mechanism, the middle of the front side face and the middle of the rear side face of the inclined workbench are each provided with evenly-distributed lower side heat dissipation holes, and the middle of the upper surface of the inclined workbench is provided with a bottom hollowed-out groove. The punch forming mechanism comprises sliding rods, sliding barrels, top plates, an upper side mold pressing plate, an upper side mold, side edge molds, butt joint grooves, telescopic rods and butt joint blocks, the sliding rods are arranged at the four corners of the upper surface of the inclined workbench correspondingly, the upper ends of the four sliding rods are fixedly connected with the top plates correspondingly, and the outer arc surfaces of the sliding rods are slidably connected with the sliding barrels correspondingly; the outer arc surfaces of the four sliding barrels are fixedly connected with an upper side mold pressing plate, an upper side mold is arranged in the middle of the lower surface of the upper side mold pressing plate, telescopic rods which are evenly distributed are arranged on the front side and the rear side of the middle of the lower surface of the upper side mold pressing plate correspondingly, the plastic plate forming equipment is low in manufacturing cost, and natural demolding can be completed through structural continuity.

Description

Technical Field

[0001] The utility model relates to the technical field of trolley cases, in particular to a plastic plate forming device. Background Art

[0002] Trolley cases are suitcases with a handle and wheels. They are widely used due to their convenience. Trolley cases are also classified by the handle, which can be single-barrel or double-barrel. The handle tubes can also be square or round, making them easier to tow while walking and significantly reducing the burden. Trolley cases are often made of plastic, which requires stamping during production.

[0003] CN202220125025.4 discloses a plastic sheet forming device, comprising a first conveyor and a second conveyor, a forming device being provided between the first conveyor and the second conveyor, the forming device comprising a mold plate, a mold groove being provided on the top of the mold plate, a bottom plate being provided at the bottom of the mold plate, two second oil cylinders being fixedly connected to the middle of the bottom plate, the telescopic ends of the second oil cylinders being fixedly connected to the bottom of the mold plate, top blocks being fixedly connected to both sides of the top of the bottom plate, the top blocks being movably connected to the inside of the mold groove, and a coolant delivery pipe being laid inside the mold plate;

[0004] The above-mentioned plastic sheet forming equipment has some minor problems when making thin-walled plastic sheets. For example, there are rigid requirements on the number of cylinders, the cost is relatively high, and when the ejector ejects the thin-walled plastic sheet, the plastic sheet may be damaged due to the small force area. For this reason, we propose a plastic sheet forming equipment. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a plastic plate forming device with low cost, which can effectively protect the formed plastic plate and effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a plastic sheet forming device, comprising an inclined workbench and a stamping and forming mechanism;

[0007] Inclined workbench: The middle of the front side and the middle of the rear side are respectively provided with evenly spaced lower heat dissipation holes, and the middle of the upper surface of the inclined workbench is provided with a bottom hollow groove;

[0008] The outer arc surfaces of the slide bars are slidably connected with slide barrels respectively, and the outer arc surfaces of the four slide barrels are fixedly connected with an upper mold pressing plate. An upper mold is provided in the middle part of the lower surface of the upper mold pressing plate, and evenly distributed telescopic rods are respectively provided on the front and rear sides of the middle part of the lower surface of the upper mold pressing plate. The telescopic ends of the telescopic rods are respectively provided with docking blocks, and the outer surfaces of the six docking blocks are fixedly connected with the outer surface of a bottom mold. A side mold is provided on the upper surface of the inclined workbench, and evenly distributed docking grooves are opened on the front and rear sides of the side mold. It has low cost and can achieve natural demolding by utilizing structural continuity.

[0009] Furthermore, a control switch group is provided on the front side of the inclined workbench, and the input end of the control switch group is electrically connected to an external power supply to control the normal operation of the electrical appliance.

[0010] Furthermore, it also includes cooling pipes, which are evenly arranged inside the upper mold plate. The water inlet and water outlet of the cooling pipes are respectively connected to external cooling water circulation equipment to achieve the cooling function.

[0011] Furthermore, a stamping cylinder is provided on the upper surface of the top plate, the telescopic end of the stamping cylinder is fixedly connected to the upper surface of the upper mold plate, and the oil inlet and oil outlet of the stamping cylinder are respectively connected to an external oil pump to provide power for molding.

[0012] Furthermore, a left conveyor line is provided on the left side of the inclined workbench, and a right conveyor line is provided on the right side of the workbench. The input ends of the left conveyor line and the right conveyor line are respectively electrically connected to the output ends of the control switch group to realize the function of conveying materials.

[0013] Furthermore, a discharge guide roller is rotatably connected to the left side between the front and rear inner walls of the right conveyor line to provide a guiding force for the discharge.

[0014] Furthermore, it also includes a bracket, which is respectively arranged at the lower end of the left conveyor line and the lower end of the right conveyor line to achieve the support function.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the plastic sheet forming equipment has the following advantages:

[0016] The mold group consists of three molds: an upper mold, a side mold and a bottom mold. After the plastic sheet is formed in the mold group, the telescopic rod is used to drive the bottom mold to move upward while the upper mold moves upward to directly eject the formed plastic sheet, which then falls off naturally under the influence of gravity. The stamping and demoulding operation can be completed by a hydraulic cylinder. The cost is low, and natural demoulding can be completed by utilizing structural continuity, effectively protecting the formed plastic sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the punching and forming mechanism of the utility model;

[0019] Figure 3 This is an enlarged structural diagram of point A of the present invention.

[0020] In the figure: 1 inclined workbench, 2 stamping forming mechanism, 21 slide bar, 22 slide cylinder, 23 top plate, 24 upper mold plate, 25 upper mold, 26 side mold, 27 docking groove, 28 telescopic rod, 29 docking block, 3 control switch group, 4 cooling pipe, 5 stamping cylinder, 6 left conveyor line, 7 right conveyor line, 8 bottom hollow groove, 9 lower heat dissipation hole, 10 discharge guide roller, 11 bracket. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-3 , this embodiment provides a technical solution: a plastic sheet forming device, comprising an inclined workbench 1 and a stamping and forming mechanism 2;

[0023] Inclined workbench 1: The middle of the front side and the middle of the rear side are respectively provided with lower side heat dissipation holes 9 of uniform portions, the middle of the upper surface of the inclined workbench 1 is provided with a bottom hollow groove 8, the front side of the inclined workbench 1 is provided with a control switch group 3, the input end of the control switch group 3 is electrically connected to an external power supply, the left side of the inclined workbench 1 is provided with a left conveyor line 6, the right side of the workbench 1 is provided with a right conveyor line 7, the input ends of the left conveyor line 6 and the right conveyor line 7 are respectively electrically connected to the output end of the control switch group 3, a discharge guide roller 10 is rotatably connected to the left between the front and rear inner walls of the right conveyor line 7, and further includes a bracket 11, which is respectively arranged at the lower end of the left conveyor line 6 and the lower end of the right conveyor line 7. When the molding equipment needs to be used, the thermoplastic material to be molded is placed on the left conveyor line 6 through an external device. At this time, the control switch group 3 can be adjusted, and the material on the left conveyor line 6 is conveyed to the right;

[0024] Stamping forming mechanism 2: It includes a slide bar 21, a slide cylinder 22, a top plate 23, an upper mold plate 24, an upper mold 25, a side mold 26, a docking groove 27, a telescopic rod 28 and a docking block 29. The slide bars 21 are respectively arranged at the four corners of the upper surface of the inclined workbench 1. The upper ends of the four slide bars 21 are fixedly connected to a top plate 23. The outer arc surfaces of the slide bars 21 are respectively slidably connected to the slide cylinders 22. The outer arc surfaces of the four slide cylinders 22 are fixedly connected to an upper mold plate 24. The middle part of the lower surface of the upper mold plate 24 is provided with an upper mold 25. The front and rear sides of the middle part of the lower surface of the upper mold plate 24 are respectively provided with evenly distributed telescopic rods 28. The telescopic ends of the telescopic rods 28 are respectively provided with docking blocks 29. The appearance of the six docking blocks 29 The surfaces are fixedly connected to the outer surface of a bottom mold, the upper surface of the inclined workbench 1 is provided with a side mold 26, the front and rear sides of the side mold 26 are provided with evenly distributed docking grooves 27, and also include a cooling pipe 4, the cooling pipe 4 is evenly arranged inside the upper mold plate 24, the water inlet and outlet of the cooling pipe 4 are respectively connected to the external cooling water circulation equipment, the upper surface of the top plate 23 is provided with a stamping cylinder 5, the telescopic end of the stamping cylinder 5 is fixedly connected to the upper surface of the upper mold plate 24, the oil inlet and outlet of the stamping cylinder 5 are respectively connected to the external oil pump, before stamping and forming are performed, the bottom mold is inserted into the interior of the side mold 26, and the docking blocks 29 are also located at adjacent pairs in the longitudinal position. Inside the connecting groove 27, the upper surface of the bottom mold, the inner surface of the side mold 26 and the outer surface of the six docking blocks 29 form a bottom mold groove. When the thermoplastic material is transported to the right, it will fall into the inside of the mold groove due to the influence of gravity. At this time, the external oil pump can be regulated, the stamping cylinder 5 is operated, and the telescopic end of the stamping cylinder 5 is extended, thereby driving the upper mold plate 24 to move downward a specified distance, thereby driving the upper mold 25 to move downward a specified distance. During this period, the upper mold 25 extends into the interior of the mold groove, and the thermoplastic material inside the mold groove is stamped with the lower surface of the upper mold 25. After the stamping is completed, the external cooling water circulation equipment can be regulated, and the cooling water continues to pass through multiple sets of cooling pipes 4 to cool the After the thermoplastic material is stamped and formed, the external oil pump can be regulated to operate the stamping cylinder 5, and the telescopic end of the stamping cylinder 5 is contracted, thereby driving the upper mold plate 24 to move upward by a specified distance. When the upper mold plate 24 moves upward by a specified distance, the telescopic rod 28 will extend to the specified distance. At this time, when the upper mold plate 24 moves upward again, the telescopic rod 28 will drive the bottom mold to move upward, and the molded plastic sheet will be ejected from the inside of the mold groove. Then, under the influence of gravity, the molded plastic sheet will move to the right, and then be guided by the discharge guide roller 10 to the right conveyor line 7, and the molded plastic sheet will be output to the outside of the device. Then the upper mold plate 24 is reset, and the subsequent molding operation continues.

[0025] The working principle of a plastic sheet forming device provided by the present invention is as follows: when the forming device is needed, the thermoplastic material to be formed is placed on the left conveyor line 6 through an external device. At this time, the control switch group 3 can be adjusted, and the material on the left conveyor line 6 is conveyed to the right. Before stamping and forming, the bottom mold is inserted into the inside of the side mold 26. At this time, the docking blocks 29 are also located in the inside of the docking grooves 27 adjacent to each other in the longitudinal position. At this time, the upper surface of the bottom mold, the inner surface of the side mold 26 and the outer surfaces of the six docking blocks 29 form a bottom mold groove. When the thermoplastic material is conveyed to the right, it will fall into the inside of the mold groove due to the influence of gravity. At this time, the external oil pump can be adjusted, the stamping cylinder 5 is operated, and the telescopic end of the stamping cylinder 5 is extended, thereby driving the upper mold plate 24 to move downward a specified distance, thereby driving the upper mold 25 to move downward a specified distance. During this period, the upper mold 25 extends into the mold groove. The thermoplastic material inside the mold groove is stamped with the lower surface of the upper mold 25. After the stamping is completed, the external cooling water circulation equipment can be regulated, and the cooling water continues to pass through the multiple groups of cooling pipes 4 to cool the stamped thermoplastic material. After the molding is completed, the external oil pump can be regulated, the stamping cylinder 5 is operated, and the telescopic end of the stamping cylinder 5 is contracted, thereby driving the upper mold plate 24 to move upward by a specified distance. When the upper mold plate 24 moves upward by a specified distance, the telescopic rod 28 will extend to a specified distance. At this time, when the upper mold plate 24 moves upward again, the telescopic rod 28 will drive the bottom mold to move upward, and the molded plastic sheet is ejected from the inside of the mold groove. Then, under the influence of gravity, the molded plastic sheet will move to the right, and then be guided by the discharge guide roller 10 to the right conveyor line 7. Then, the control switch group 3 can be regulated, and the right conveyor line 7 is operated to output the molded plastic sheet to the outside of the device. Then, the upper mold plate 24 is reset, and the subsequent molding operation is continued.

[0026] It is worth noting that the stamping cylinder 5, the left conveyor line 6 and the right conveyor line 7 disclosed in the above embodiments can be freely configured according to the actual application scenario. It is recommended to use the SX250 model piston hydraulic cylinder for the stamping cylinder 5, and the left conveyor line 6 and the right conveyor line 7 are recommended to use conventional roller conveyor lines. The control switch group 3 is provided with control buttons that correspond one-to-one to the left conveyor line 6 and the right conveyor line 7 and are used to control their switches.

[0027] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, 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 sheet forming device, characterized in that: It comprises an inclined workbench (1) and a stamping and forming mechanism (2); The inclined workbench (1) has lower heat dissipation holes (9) evenly spaced in the middle of the front side and the middle of the rear side, and a bottom hollow groove (8) is provided in the middle of the upper surface of the inclined workbench (1); The stamping forming mechanism (2) comprises a slide bar (21), a slide cylinder (22), a top plate (23), an upper mold plate (24), an upper mold (25), a side mold (26), a docking groove (27), a telescopic rod (28) and a docking block (29), wherein the slide bar (21) is respectively arranged at the four corners of the upper surface of the inclined workbench (1), the upper ends of the four slide bars (21) are fixedly connected to a top plate (23), the outer arc surface of the slide bar (21) is respectively slidably connected to the slide cylinder (22), and the outer arc surface of the four slide cylinders (22) is respectively connected to an upper mold The pressing plate (24) is fixedly connected, an upper mold (25) is provided in the middle of the lower surface of the upper mold pressing plate (24), and evenly distributed telescopic rods (28) are respectively provided on the front and rear sides of the middle of the lower surface of the upper mold pressing plate (24), and the telescopic ends of the telescopic rods (28) are respectively provided with docking blocks (29), and the outer surfaces of the six docking blocks (29) are all fixedly connected to the outer surface of a bottom mold, and a side mold (26) is provided on the upper surface of the inclined workbench (1), and evenly distributed docking grooves (27) are opened on the front and rear sides of the side mold (26).

2. The plastic sheet forming equipment according to claim 1, characterized in that: A control switch group (3) is provided on the front side of the inclined workbench (1), and an input end of the control switch group (3) is electrically connected to an external power supply.

3. The plastic sheet forming equipment according to claim 1, characterized in that: It also includes a cooling pipe (4), which is evenly arranged inside the upper mold plate (24), and the water inlet and outlet of the cooling pipe (4) are respectively connected to external cooling water circulation equipment.

4. The plastic sheet forming equipment according to claim 1, characterized in that: A stamping oil cylinder (5) is provided on the upper surface of the top plate (23), the telescopic end of the stamping oil cylinder (5) is fixedly connected to the upper surface of the upper mold plate (24), and the oil inlet and oil outlet of the stamping oil cylinder (5) are respectively connected to an external oil pump.

5. The plastic sheet forming equipment according to claim 2, characterized in that: A left conveying line (6) is provided on the left side of the inclined workbench (1), and a right conveying line (7) is provided on the right side of the workbench (1). The input ends of the left conveying line (6) and the right conveying line (7) are respectively electrically connected to the output end of the control switch group (3).

6. The plastic sheet forming equipment according to claim 5, characterized in that: A discharge guide roller (10) is rotatably connected to the left side between the front and rear inner walls of the right conveyor line (7).

7. The plastic sheet forming equipment according to claim 5, characterized in that: It also includes a bracket (11), which is respectively arranged at the lower end of the left conveying line (6) and the lower end of the right conveying line (7).

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