Lamp shade forming blow molding device
By designing a lampshade forming blow molding device including a splicing cut-off mechanism and a lampshade mold, the problem of being unable to cut off the excess parison in the prior art is solved, and the regularity of the lampshade shape and material utilization are improved.
Patent Information
- Application Number
- CN202421821377.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The existing LED lampshade molding device cannot cut off the excess parison during the blow molding process, resulting in irregular or incomplete shape of the lampshade, affecting appearance and function.
A lampshade molding blow molding device is designed, including a linear module, a connecting frame, a blow nozzle, a tracheal tube, a splicing cut-off mechanism and a lampshade mold. The lampshade mold is driven to clamp and cut off the excess plastic parison through the splicing cut-off mechanism.
The cutting of the excess parison is achieved, ensuring that the shape and size of the lampshade meets the design requirements, improving product quality and appearance, while reducing material waste and reducing production costs.
Smart Images

Figure CN222819512U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lampshade production, in particular to a lampshade forming blow molding device. Background Art
[0002] When processing the lampshade, the processed sheet material needs to be heat treated, generally by baking and heating in an oven or a furnace to make the sheet material reach the molding temperature, and then the heat-treated sheet material is placed in a molding device and blow-molded by a molding machine.
[0003] For example, the patent with national authorized patent announcement number CN218196864U discloses an LED lampshade forming device, including a base, a support rod, a top plate, a mold, a driving device, an air duct and a winding device; the top plate and the base symmetrically arranged up and down are connected and fixed by a plurality of the supporting rods, the mold includes an upper mold and a lower mold, the lower mold is fixedly arranged on the upper end surface of the base, the driving device arranged on the lower end surface of the top plate is used to push the upper mold to move up and down, the air duct passes through the top plate from top to bottom and is fixedly connected to the air inlet of the upper mold, the winding device is arranged on the upper end surface of the top plate, and the winding device is used to wind up the air duct; by arranging the winding device, the utility model can pull out the air duct wound in the winding device when the upper mold moves downward, and can wind up the air duct when the upper mold moves upward, thereby ensuring the safety and reliability of the use of the air duct.
[0004] However, the above-mentioned LED lampshade molding device cannot cut off the excess parison during the blow molding process of the lampshade, which will cause the shape of the lampshade to be irregular or incomplete, affecting its appearance and function, and the excess material will form unnecessary protrusions or uneven thickness on the surface of the lampshade, which will affect the quality and appearance of the product. Utility Model Content
[0005] The utility model aims to provide a lampshade forming blow molding device to solve the problem that the redundant parison cannot be cut off during the blow molding of the lampshade proposed in the above background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A lampshade forming blow molding device, comprising: a mounting frame, a linear module is fixedly mounted on one end of the mounting frame, a connecting frame is fixedly mounted on one end of a moving block of the linear module, and a blowing nozzle is fixedly mounted on the lower surface of the connecting frame;
[0008] Among them, a docking frame is fixedly installed at one end of the mounting frame, a splicing and cutting mechanism is fixedly installed at one end of the docking frame, and lampshade molds are fixedly installed at both ends of the splicing and cutting mechanism. The two groups of lampshade molds can be driven by the splicing and cutting mechanism to splice each other and cut off the excess plastic.
[0009] Preferably, a connecting nozzle is fixedly installed on the outer end of the lampshade mold, and the two groups of spliced lampshade molds can drive the connecting nozzles to be spliced with each other and inserted by the blowing nozzle.
[0010] Preferably, an air pipe is fixedly connected inside the connecting frame, and the air pipe can be connected to an air port of an external air compressor, and the air pipe can be connected to three groups of blowing nozzles.
[0011] Preferably, the splicing and truncation mechanism includes a first gear and a second gear of a hydraulic rod, the first gear and the second gear are rotatably mounted on both sides of the docking frame and mesh with each other, a first connecting plate and a second connecting plate are fixedly mounted between each two groups of the first gear and the second gear, and three groups of lampshade molds are fixedly mounted on the lower surfaces of the first connecting plate and the second connecting plate.
[0012] Preferably, a hydraulic rod is rotatably mounted on one end of the upper surface of the docking frame, a piston rod of the hydraulic rod is rotatably mounted on one end of a fastening plate, and the fastening plate is fixedly mounted on the outer surface of the first connecting plate.
[0013] Preferably, the first connecting plate and the second connecting plate are meshed and driven by the first gear and the second gear, so as to drive every two groups of the lampshade molds to be spliced together.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. Through the design of linear modules, connecting frames, blowing nozzles, air pipes, splicing and cutting mechanisms, lampshade molds and connecting nozzles, when in use, the plastic raw materials (usually granules or powders) can be put into the extruder, heated to melt them into viscous molten materials, and the molten plastic is extruded into a blank to form a hollow plastic tube. Then the blank can be extruded from between the splicing and cutting mechanisms, and then the splicing and cutting mechanisms can be started to drive the two sets of lampshade molds to clamp the plastic tube at the center, and the excessively long plastic tube will be closed and cut off by the lampshade mold, and the cut-off part can be adjusted. The parison is kneaded and fixed in the lampshade mold, and the connecting nozzle at the upper end of the lampshade mold is tapered, which can clamp the parison inside and cut off its upper end. Then, the linear module can be started to drive the blowing nozzle on the lower surface of the connecting frame to press into the connecting nozzle, so that it is clamped between the blowing nozzle and the connecting nozzle. Then, the air compressor can be started to inject compressed air into the air pipe, and the air pipe will inject compressed air into the blowing nozzle, which can blow up and expand the parison and make it close to the inner wall of the lampshade mold to form the shape of the lampshade. Then, the lampshade mold is kept in a closed state, and the parison is cooled and solidified in the lampshade mold to become a finished product.
[0016] Being able to cut off the excess parison can ensure that the shape and size of the lampshade meet the design requirements, thereby improving the quality and appearance of the product. Cutting off the excess parison can also reduce material waste and reduce production costs. These excess materials can be recycled and reused to improve resource utilization.
[0017] 2. Through the design of the first connecting plate, the second connecting plate, the first gear, the second gear, the hydraulic rod and the fastening plate, after the parison is extruded from between the first connecting plate and the second connecting plate and reaches a certain length, the hydraulic rod can be started to make the piston rod pull the fastening plate and drive the first gear to rotate, so that the first gear can drive the second gear to rotate relatively together, and the first connecting plate and the second connecting plate can be driven to rotate relatively, and the first connecting plate and the second connecting plate can respectively drive the lampshade mold to clamp the plastic tubular object at the center and splice each other, and the excessively long plastic tubular object will be closed and cut off by the lampshade mold, and the cut-off part can be pinched and the parison can be confined in the lampshade mold, thereby achieving the effect of limiting the plastic tubular object in the lampshade mold while cutting off the excessively long plastic tubular object, and cutting off the excess material can avoid the formation of unnecessary protrusions or uneven thickness on the surface of the lampshade, and can make the thickness of the produced lampshade uniform, so as to improve the quality and appearance of the lampshade. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the overall structure of the lampshade forming blow molding device of the utility model;
[0019] Figure 2This is a schematic diagram of the structure of the lampshade mold after splicing of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the blowing nozzle of the utility model inserted into the connecting nozzle;
[0021] Figure 4 This is a schematic diagram of the structure of the connecting frame of the utility model;
[0022] Figure 5 It is a structural schematic diagram of the splicing and truncation mechanism of the utility model.
[0023] In the figure: 1. mounting frame; 101. linear module; 102. docking frame; 103. connecting frame; 104. blowing nozzle; 105. air pipe; 2. splicing and cutting mechanism; 201. first connecting plate; 202. second connecting plate; 203. first gear; 204. second gear; 205. hydraulic rod; 206. fastening plate; 3. lampshade mold; 301. connecting nozzle. DETAILED DESCRIPTION
[0024] 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 in 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.
[0025] See also Figure 1-Figure 5 , the utility model provides the following technical solutions:
[0026] like Figure 1-Figure 4 As shown, a lampshade forming blow molding device comprises: a mounting frame 1, a linear module 101 is fixedly mounted on one end of the mounting frame 1, a connecting frame 103 is fixedly mounted on one end of a moving block of the linear module 101, and a blowing nozzle 104 is fixedly mounted on the lower surface of the connecting frame 103;
[0027] Among them, a docking frame 102 is fixedly installed at one end of the mounting frame 1, a splicing and cutting mechanism 2 is fixedly installed at one end of the docking frame 102, and lampshade molds 3 are fixedly installed at both ends of the splicing and cutting mechanism 2. The two sets of lampshade molds 3 can be driven by the splicing and cutting mechanism 2 to splice each other and cut off the excess plastic.
[0028] A connecting nozzle 301 is fixedly installed on the outer end of the lampshade mold 3 , and two groups of spliced lampshade molds 3 can drive the connecting nozzles 301 to be spliced with each other and inserted by the blowing nozzle 104 .
[0029] An air pipe 105 is fixedly connected inside the connecting frame 103 . The air pipe 105 can be connected to an air port of an external air compressor. The air pipe 105 can be communicated with three groups of blowing nozzles 104 .
[0030] Through the design of the linear module 101, the connecting frame 103, the blowing nozzle 104, the air pipe 105, the splicing and cutting mechanism 2, the lampshade mold 3 and the connecting nozzle 301, when in use, the plastic raw material, usually granules or powder, can be put into the extruder, heated to melt it into a viscous molten material, and the molten plastic is extruded to form a blank, so that it forms a hollow plastic tube. Then, the blank can be extruded from between the splicing and cutting mechanisms 2, and then the splicing and cutting mechanism 2 can be started to drive the two sets of lampshade molds 3 to clamp the plastic tube at the center, and the excessively long plastic tube will be closed and cut off by the lampshade mold 3. The excess part can also be kneaded to the cut-off part and the blank can be confined and fixed at The lampshade mold 3 is in a tapered shape, and the connecting nozzle 301 at the upper end of the lampshade mold 3 is capable of clamping the parison therein and cutting off its upper end. Then, the linear module 101 can be started to drive the blowing nozzle 104 on the lower surface of the connecting frame 103 to press into the connecting nozzle 301, so that it is clamped between the blowing nozzle 104 and the connecting nozzle 301. Then, the air compressor can be started to inject compressed air into the air pipe 105, and the air pipe 105 will inject compressed air into the blowing nozzle 104, which can blow up and expand the parison and make it close to the inner wall of the lampshade mold 3 to form the shape of the lampshade. Then, the lampshade mold 3 is kept in a closed state, so that the parison is cooled and solidified in the lampshade mold 3 to become a finished product.
[0031] Being able to cut off the excess parison can ensure that the shape and size of the lampshade meet the design requirements, thereby improving the quality and appearance of the product. Cutting off the excess parison can also reduce material waste and reduce production costs. These excess materials can be recycled and reused to improve resource utilization.
[0032] like Figure 5 As shown, the splicing and truncation mechanism 2 includes a hydraulic rod 205, a first gear 203 and a second gear 204. The first gear 203 and the second gear 204 are rotatably mounted on both sides of the docking frame 102 and meshed with each other. A first connecting plate 201 and a second connecting plate 202 are fixedly mounted between each two groups of first gears 203 and second gears 204, and three groups of lampshade molds 3 are fixedly mounted on the lower surfaces of the first connecting plate 201 and the second connecting plate 202.
[0033] A hydraulic rod 205 is rotatably mounted on one end of the upper surface of the docking frame 102 . The piston rod of the hydraulic rod 205 is rotatably mounted on one end of a fastening plate 206 . The fastening plate 206 is fixedly mounted on the outer surface of the first connecting plate 201 .
[0034] The first connecting plate 201 and the second connecting plate 202 are meshed and driven by the first gear 203 and the second gear 204 , so as to drive every two groups of lampshade molds 3 to be spliced.
[0035] Through the design of the first connecting plate 201, the second connecting plate 202, the first gear 203, the second gear 204, the hydraulic rod 205 and the fastening plate 206, after the parison is extruded from between the first connecting plate 201 and the second connecting plate 202 and reaches a certain length, the hydraulic rod 205 can be activated to make the piston rod pull the fastening plate 206 and drive the first gear 203 to rotate, so that the first gear 203 can drive the second gear 204 to rotate relatively, and can drive the first connecting plate 201 and the second connecting plate 202 to rotate relatively, so that the first connecting plate 201 and the second connecting plate 202 can rotate relatively. The connecting plates 202 respectively drive the lampshade mold 3 to clamp the plastic tubular object at the center and splice each other, and the excessively long plastic tubular object will be closed and cut off by the lampshade mold 3, and the cut-off part can be pinched and the blank can be confined in the lampshade mold 3, thereby achieving the effect of limiting the plastic tubular object in the lampshade mold 3 while cutting off the excessively long plastic tubular object, and cutting off the excess material can avoid the formation of unnecessary protrusions or uneven thickness on the lampshade surface, and can make the produced lampshade have a uniform thickness, so as to improve the quality and appearance of the lampshade.
[0036] The working steps of this scheme are summarized and sorted out according to the above technical scheme: when in use, the plastic raw material, usually granules or powder, can be put into the extruder, heated to melt it into a viscous molten material, and the molten plastic is extruded into a blank to form a hollow plastic tube. Then the blank can be extruded from between the splicing and cutting mechanisms 2, and after reaching a certain length, the hydraulic rod 205 can be started to make the piston rod pull the fastening plate 206 and drive the first gear 203 to rotate, so that the first gear 203 can drive the second gear 204 to rotate relatively together, and can drive the first connecting plate 201 and the second connecting plate 202 to rotate relatively, and make the first connecting plate 201 and the second connecting plate 202 respectively drive the lampshade mold 3 to clamp the plastic tube at the center and splice each other, and the overlong The plastic tubular object will be closed by the lampshade mold 3 to cut off the excess part, and the cut-off part can be kneaded and the parison can be confined in the lampshade mold 3, and the connecting nozzle 301 at the upper end of the lampshade mold 3 is tapered, which can clamp the parison inside and cut off its upper end, and then the linear module 101 can be started to drive the blowing nozzle 104 on the lower surface of the connecting frame 103 to press into the connecting nozzle 301, so that it is clamped between the blowing nozzle 104 and the connecting nozzle 301, and then the air compressor can be started to inject compressed air into the air pipe 105, and the air pipe 105 will inject compressed air into the blowing nozzle 104, which can blow up and expand the parison and make it close to the inner wall of the lampshade mold 3 to form the shape of the lampshade, and then the lampshade mold 3 is kept in a closed state, so that the parison is cooled and solidified in the lampshade mold 3 to become a finished product.
[0037] In summary: being able to cut off excess preforms can ensure that the shape and size of the lampshade meet the design requirements, thereby improving the quality and appearance of the product. Cutting off excess preforms can also reduce material waste and reduce production costs. These excess materials can be recycled and reused to improve resource utilization.
[0038] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.
Claims
1. A lampshade molding blow molding device, characterized in that: include: A mounting frame (1), a linear module (101) being fixedly mounted on one end of the mounting frame (1), a connecting frame (103) being fixedly mounted on one end of a moving block of the linear module (101), and a blowing nozzle (104) being fixedly mounted on the lower surface of the connecting frame (103); A docking frame (102) is fixedly mounted on one end of the mounting frame (1), a splicing and cutting mechanism (2) is fixedly mounted on one end of the docking frame (102), lampshade moulds (3) are fixedly mounted on both ends of the splicing and cutting mechanism (2), and two groups of lampshade moulds (3) can be spliced together by the splicing and cutting mechanism (2) and excess plastic can be cut off.
2. A lampshade forming blow molding device according to claim 1, characterized in that: A connecting nozzle (301) is fixedly mounted on the outer surface of the lampshade mold (3), and two groups of spliced lampshade molds (3) can drive the connecting nozzles (301) to be spliced and inserted by the blowing nozzle (104).
3. A lampshade forming blow molding device according to claim 1, characterized in that: An air pipe (105) is fixedly connected inside the connecting frame (103), and the air pipe (105) can be connected to an air port of an external air compressor, and the air pipe (105) can be connected to three groups of blowing nozzles (104).
4. A lampshade forming blow molding device according to claim 1, characterized in that: The splicing and cutting mechanism (2) comprises a hydraulic rod (205), a first gear (203) and a second gear (204); the first gear (203) and the second gear (204) are both rotatably mounted on both sides of a docking frame (102) and meshed with each other; a first connecting plate (201) and a second connecting plate (202) are respectively fixedly mounted between each two groups of the first gear (203) and the second gear (204); and three groups of lampshade molds (3) are respectively fixedly mounted on the lower surfaces of the first connecting plate (201) and the second connecting plate (202).
5. A lampshade forming blow molding device according to claim 4, characterized in that: A hydraulic rod (205) is rotatably mounted on one end of the upper surface of the docking frame (102), and a piston rod of the hydraulic rod (205) is rotatably mounted on one end of a fastening plate (206), and the fastening plate (206) is fixedly mounted on the outer surface of the first connecting plate (201).
6. A lampshade forming blow molding device according to claim 4, characterized in that: The first connecting plate (201) and the second connecting plate (202) are meshed and driven by the first gear (203) and the second gear (204), and can drive every two groups of the lampshade molds (3) to be spliced together.