Water gun rotational molding mold

Abstract

The utility model discloses a water gun rotational molding mold, which comprises a cavity, the cavity is composed of a first mold cavity and a second mold cavity, the first mold cavity and the second mold cavity are combined to form the cavity with a hollow structure in the middle, and the end part of the first mold cavity and the end part of the second mold cavity are fixedly connected with connecting seats with semicircular structures; the mold has the beneficial effects that the first mold cavity and the second mold cavity can be accurately aligned and assembled through the positioning rod and the positioning groove, so that the stability of the mold in the production process can be effectively ensured; the driving part is matched with the rotating shaft and the pressing plate, the position of the pressing plate can be rapidly adjusted by rotating the large gear ring, the adjusting time can be saved, and the connecting base and the sealing cover plate are attached and fixed through pulling of an adjusting bolt and extrusion, so that rapid fixing is achieved, corresponding assembling steps are reduced, the assembling time is shortened, and the assembling efficiency is improved. And the corresponding operation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotational molding molds, in particular to a water gun rotational molding mold. Background Art

[0002] Rotomolding is also known as rotational molding, rotational molding, rotational modeling, rotational molding, etc. The rotational molding process is to first add the plastic raw materials into the mold, and then the mold is continuously rotated along two vertical axes and heated, so that the plastic raw materials in the mold are gradually and evenly coated, melted and adhered to the entire surface of the mold cavity under the action of gravity and heat energy, and formed into the required shape, and then cooled and molded, and finally the product is obtained.

[0003] In the process of water gun processing, it is necessary to process it through rotational molding molds, because the structure of some water guns is rugby-shaped, such as Figure 6 As shown, during processing, it is necessary to connect and fix the joints. Currently, they are mostly fixed by multiple bolts in coordination with other fasteners. The corresponding assembly steps are relatively large, which makes the assembly time longer and fails to improve the corresponding operation efficiency. Utility Model Content

[0004] The utility model aims to provide a water gun rotational molding mold to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a water gun rotational molding mold, comprising:

[0006] The cavity is composed of a first cavity and a second cavity, wherein the first cavity and the second cavity are combined into a cavity with a hollow structure in the middle, and the ends of the first cavity and the second cavity are both fixedly connected with a connecting seat with a semicircular structure;

[0007] A sealing cover plate, which is placed at the end of the cavity and is used to position, fix and seal the connection seat;

[0008] A connecting component is placed on one side of the sealing cover plate, and the connecting component includes a pulling disk slidably placed on the outside of the sealing cover plate, a rotating shaft is rotatably connected to the middle of the pulling disk, a driving part for driving the rotating shaft to rotate is provided on one side of the pulling disk, and a pressure plate is fixedly connected to the outside of the rotating shaft for pressing the connecting seat and the sealing cover plate into a fit.

[0009] Preferably, a positioning block is fixedly connected to the inner side of the No. 2 mold cavity, and a positioning groove is provided at the position corresponding to the positioning block of the No. 1 mold cavity.

[0010] Preferably, a shaping plate is fixedly connected to the inner side of the No. 2 mold cavity, and shaping plugs are detachably installed on the tops and ends of the No. 1 mold cavity and the No. 2 mold cavity.

[0011] Preferably, a plurality of positioning rods are fixedly connected at equal intervals to one side of the sealing cover plate, and limiting holes are provided at positions of the connecting seat corresponding to the positioning rods.

[0012] Preferably, a push rod is fixedly connected to the outer side of the sealing cover plate, the pulling plate is slidably mounted on the outer side of the push rod, and an adjusting bolt is rotatably connected to the end of the push rod.

[0013] Preferably, a support tube is fixedly connected to the middle portion of the pulling disk, and the adjusting bolt is threadedly connected to the support tube.

[0014] Preferably, the driving part comprises a small gear fixedly connected to the end of the rotating shaft, the outer side of the small gear is meshingly connected with a large gear ring, the large gear ring is fixedly connected to a support ring via a connecting rod, and the support ring is rotatably connected to the outer side of the support tube.

[0015] Compared with the prior art, the beneficial effects of the utility model are: through the positioning rod and the positioning groove, it is ensured that the No. 1 mold cavity and the No. 2 mold cavity can be accurately aligned and assembled, so as to effectively ensure the stability of the mold during the production process; through the driving part cooperating with the rotating shaft and the pressure plate, the position of the pressure plate can be quickly adjusted by rotating the large gear ring, which can save adjustment time, and through an adjusting bolt to pull, the connecting seat and the sealing cover plate are fit and fixed by extrusion, so as to achieve rapid fixation, reduce the corresponding assembly steps, shorten the assembly time, and improve the corresponding operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a structural schematic diagram of the positioning block of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the adjusting bolt of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the large gear ring of the utility model;

[0020] Figure 5 This is an enlarged view of point A of the utility model;

[0021] Figure 6 This is a structural diagram of the molded product of the utility model.

[0022] In the figure: 1. Mold cavity No. 1; 2. Mold cavity No. 2; 3. Positioning block; 4. Forming plate; 5. Forming plug; 6. Connecting seat; 7. Sealing cover plate; 8. Positioning rod; 9. Pulling plate; 10. Rotating shaft; 11. Pressure plate; 12. Small gear; 13. Large gear ring; 14. Support ring; 15. Adjusting bolt; 16. Support tube; 17. Push rod. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1 , 2 As shown in Figures 3, 4, 5 and 6, the utility model provides a technical solution, a water gun rotational molding mold, comprising: a cavity, the cavity is composed of a No. 1 cavity 1 and a No. 2 cavity 2, the No. 1 cavity 1 and the No. 2 cavity 2 are combined into a cavity with a hollow structure in the middle, the outer sides of the No. 1 cavity 1 and the No. 2 cavity 2 are fixed with multiple positioning rods for connecting and fixing with a steel bracket, the end of the No. 1 cavity 1 and the end of the No. 2 cavity 2 are fixed with a connecting seat 6 with a semicircular structure, and the two connecting seats 6 form a complete circular structural plate; a sealing cover plate 7 is detachably mounted at the end of the cavity, for positioning, fixing and sealing the connecting seat 6; a connecting component is placed on one side of the sealing cover plate 7, the connecting component includes a pulling plate 9 slidably placed on the outer side of the sealing cover plate 7, a rotating shaft 10 is rotatably connected to the middle of the pulling plate 9, a driving part for driving the rotating shaft 10 to rotate is provided on one side of the pulling plate 9, and a pressing plate 11 is fixed to the outer side of the rotating shaft 10 for pressing and fitting the connecting seat 6 with the sealing cover plate 7.

[0025] It should be noted that, when the utility model is molded, the mold cavity No. 1 1 is closed with the mold cavity No. 1 1, so that the two connecting seats 6 are formed into a circular plate that cooperates with the sealing cover plate 7, and the sealing cover plate 7 is buckled on one side of the connecting seat 6, and then the rotating shaft 10 is driven to rotate by the driving part, so that the pressure plate 11 is located on one side of the connecting seat 6, and then the adjusting bolt 15 is rotated to pull the pulling disk 9 outward under the action of the thread, so that the pressure plate 11 is pressed against one side of the connecting seat 6, thereby realizing the installation of the entire mold.

[0026] See also Figure 2 , 3As shown, a positioning block 3 is fixedly connected to the inner side of mold cavity No. 2, a positioning groove is provided at the position corresponding to the positioning block 3 of mold cavity No. 1, a shaping plate 4 is fixedly connected to the inner side of mold cavity No. 2, and shaping plugs 5 are removably installed on the tops and ends of mold cavities No. 1 and 2.

[0027] It should be noted that, in the present invention, when mold cavity No. 1 1 and mold cavity No. 2 2 are closed, mold cavity No. 1 1 and mold cavity No. 2 2 can be accurately aligned through the cooperation of positioning block 3 and positioning groove, and molding plug 5 is fixed in a fixed position. After the workpiece is formed, molding plug 5 is removed so that this position becomes the opening of the cavity.

[0028] See also Figure 2 , 4 As shown, a plurality of positioning rods 8 are fixedly connected at equal intervals on one side of the sealing cover plate 7, and limiting holes are provided at the positions of the connecting seat 6 corresponding to the positioning rods 8. A push rod 17 is fixedly connected to the outer side of the sealing cover plate 7, and the pulling plate 9 is slidably installed on the outer side of the push rod 17. The end of the push rod 17 is rotatably connected to the adjusting bolt 15, and a supporting tube 16 is fixedly connected to the middle part of the pulling plate 9, and the adjusting bolt 15 is threadedly connected to the supporting tube 16.

[0029] It should be noted that the utility model has multiple corresponding rotating shafts 10. When the No. 1 mold cavity 1 and the No. 2 mold cavity 2 are merged, the connecting seat 6 forms a circle with the same diameter as the sealing cover plate 7, and then the positioning rod 8 on one side of the sealing cover plate 7 is inserted into the corresponding hole of the connecting seat 6, so that the connecting seat 6 and the sealing cover plate 7 can be quickly positioned. The outer side of the sealing cover plate 7 is provided with an arc groove corresponding to the rotating shaft 10, which is used to limit the rotating shaft 10, and under the limiting action of the positioning rod 8, the No. 1 mold cavity 1 and the No. 2 mold cavity 2 can be prevented from separating. The rotating shaft 10 and the pressure plate 11 are matched to rotate the adjusting bolt 15, and the adjusting bolt 15 is threadedly connected to the support tube 16. Under the action of the thread, the support tube 16 moves to the side away from the sealing cover plate 7, pulling the rotating shaft 10 with the disk 9 so that the pressure plate 11 presses the connecting seat 6, thereby pressing and fixing the connecting seat 6 and the sealing cover plate 7 together.

[0030] See also Figure 4 , 5 As shown, the driving part includes a small gear 12 fixedly connected to the end of the rotating shaft 10, the outer side of the small gear 12 is meshedly connected with a large ring gear 13, the large ring gear 13 is fixedly connected to a support ring 14 through a connecting rod, and the support ring 14 is rotatably connected to the outer side of the support tube 16.

[0031] It should be noted that when the utility model needs to adjust the position of the pressure plate 11, the large ring gear 13 is rotated. The large ring gear 13 rotates on the outside of the support tube 16 through the support ring 14. The large ring gear 13 drives the small gear 12 to rotate, and the small gear 12 drives the pressure plate 11 to rotate. The large ring gear 13 drives the small gear 12 to rotate quickly, so that the pressure plate 11 is quickly located at the position corresponding to the connecting seat 6.

[0032] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0034] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water gun rotational molding mold, characterized in that: include: The cavity is composed of a first cavity (1) and a second cavity (2), wherein the first cavity (1) and the second cavity (2) are combined to form a cavity with a hollow structure in the middle, and the ends of the first cavity (1) and the second cavity (2) are both fixedly connected with a connecting seat (6) with a semicircular structure; A sealing cover plate (7), the sealing cover plate (7) is placed at the end of the cavity and is used to position, fix and seal the connecting seat (6); A connecting component is arranged on one side of the sealing cover plate (7), and the connecting component includes a pulling plate (9) slidably arranged on the outside of the sealing cover plate (7), the middle part of the pulling plate (9) is rotatably connected to a rotating shaft (10), one side of the pulling plate (9) is provided with a driving part for driving the rotating shaft (10) to rotate, and a pressure plate (11) is fixedly connected to the outside of the rotating shaft (10) for pressing the connecting seat (6) and the sealing cover plate (7) into a tight fit.

2. A water gun rotational molding mold according to claim 1, characterized in that: A positioning block (3) is fixedly connected to the inner side of the second mold cavity (2), and a positioning groove is provided at a position corresponding to the positioning block (3) of the first mold cavity (1).

3. A water gun rotational molding mold according to claim 2, characterized in that: A shaping plate (4) is fixedly connected to the inner side of the No. 2 mold cavity (2), and shaping plugs (5) are detachably installed on the tops and ends of the No. 1 mold cavity (1) and the No. 2 mold cavity (2).

4. The water gun rotational molding mold according to claim 1, characterized in that: A plurality of positioning rods (8) are fixedly connected at equal intervals on one side of the sealing cover plate (7), and limiting holes are provided at positions of the connecting seat (6) corresponding to the positioning rods (8).

5. The water gun rotational molding mold according to claim 4, characterized in that: A push rod (17) is fixedly connected to the outer side of the sealing cover plate (7), the pulling plate (9) is slidably mounted on the outer side of the push rod (17), and an adjusting bolt (15) is rotatably connected to the end of the push rod (17).

6. A water gun rotational molding mold according to claim 5, characterized in that: A support tube (16) is fixedly connected to the middle of the pulling plate (9), and the adjusting bolt (15) is threadedly connected to the support tube (16).

7. The water gun rotational molding mold according to claim 1, characterized in that: The driving part comprises a small gear (12) fixedly connected to the end of a rotating shaft (10); the outer side of the small gear (12) is meshingly connected to a large gear ring (13); the large gear ring (13) is fixedly connected to a support ring (14) via a connecting rod; and the support ring (14) is rotatably connected to the outer side of a support tube (16).

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