Rotational molding mold for producing Pick balls

Abstract

The utility model discloses a rotational molding mould for Pick ball production, which comprises a fixed machine table, an injection molding machine frame is arranged on the surface of the upper end of the fixed machine table, an injection molding machine barrel is arranged on the injection molding machine frame, and a first limiting clamping plate and a second limiting clamping plate are respectively arranged on the surface of the upper end of the fixed machine table. The first limiting clamping plate and the second limiting clamping plate are fixedly connected through a positioning guide column, the sealing injection molding cavity is connected with a Pick ball mold cavity in a sealed mode through a pipeline, a sealing connector is arranged at the bottom end of the Pick ball mold cavity, and the sealing connector is connected with a vacuum pump arranged below the fixed machine table in a sealed mode through a vacuumizing pipeline. According to the utility model, the internal gas can be pumped out to be in a vacuum state by carrying out convenient vacuum pumping monitoring operation on the interior of the Pick ball mold cavity, so that injection molding butt joint with an injection molding machine barrel is facilitated, interference of the gas to product molding is prevented, and meanwhile, the injection molding mechanism is limited and fixed, so that the injection molding machine barrel can be prevented from shifting and shaking; therefore, the injection molding precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pickle ball production, in particular to a rotational molding mold for pickle ball production. Background Art

[0002] Pickleball is an indoor or outdoor racket / racket sport in which two players (singles) or four players (doubles) use solid rackets to hit a perforated hollow polymer ball on a 36-inch (0.91-meter) high net. Pickleball is usually produced using an extruder, which melts and blends the raw materials through the extruder to facilitate subsequent molding processing. After the extruder is used, the body and the inner wall of the die head and the surface of the spiral extrusion rod are all adhered to the material.

[0003] The Chinese patent document with the publication number CN117601389A discloses an extruder for producing pickle balls, including a machine body, a spiral extrusion rod, and a die head fixedly arranged on one side of the machine body, one side of the machine body is provided with a vertical plate movably arranged by a first electric push rod, and one side of the vertical plate is provided with a scraper, and the scraper is used to remove the material adhering to the inner wall of the die head; the scraper includes a circular plate and a power device for driving the circular plate to rotate, both sides of the circular plate are slidably provided with a first scraper, and one side of the circular plate is provided with a moving part for driving two first scrapers to separate or close, and the present invention relates to the technical field of pickle ball production. The extruder for producing pickle balls can scrape the material adhering to the inner wall of the die head through the provision of the scraper, and the distance between the two first scrapers can be adjusted according to the diameter of the die head, so that it is in close contact with the inner wall of the die head, thereby improving the quality of subsequent scraping, and the automated operation reduces the workload of personnel.

[0004] The above-mentioned existing technologies cannot guarantee the injection molding accuracy of the pickle ball mold. At the same time, gas is easily retained inside the mold cavity, resulting in air holes when the pickle ball product is molded, resulting in poor quality molding. Therefore, it is necessary to develop a new type of rotational molding mold for pickle ball production. Utility Model Content

[0005] The purpose of the utility model is to provide a rotational molding mold for pickle ball production, so as to solve the problem that the injection molding accuracy of the pickle ball mold cannot be guaranteed in the prior art proposed in the above background technology, and gas is easily retained in the mold cavity, resulting in air holes when the pickle ball product is molded, resulting in poor quality molding.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotational molding mold for pickle ball production, comprising a fixed machine platform, an injection molding frame is installed on the upper end surface of the fixed machine platform, an injection molding barrel is installed on the injection molding frame, a first limit clamping plate and a second limit clamping plate are respectively installed on the upper end surface of the fixed machine platform, the first limit clamping plate and the second limit clamping plate are fixedly connected by a first positioning guide column and a second positioning guide column, the injection molding barrel passes through the internal notches of the first limit clamping plate and the second limit clamping plate and is connected to a sealed injection molding cavity arranged on the upper end of the fixed machine platform, the sealed injection molding cavity is sealed and connected to a pickle ball mold cavity through a pipeline, a sealing joint is arranged at the bottom end of the pickle ball mold cavity, and the sealing joint is sealed and connected to a vacuum pump arranged below the fixed machine platform through a vacuum pipeline.

[0007] Preferably, a switch control valve is installed on the vacuum pipeline.

[0008] Preferably, the interior of the pickle ball mold cavity is sealed and connected to a vacuum monitoring gauge via a pressure measuring coil.

[0009] Preferably, an injection molding drive cylinder is installed on one side of the injection molding frame, and the output end of the injection molding drive cylinder is connected to the inside of the injection molding barrel through an injection molding push rod.

[0010] Preferably, a hot melt plastic feed hopper is provided at the upper end of the injection molding machine barrel.

[0011] Preferably, a push-pushing driving cylinder is installed above the fixed machine platform, and the push-pushing driving cylinder is connected to the pickle ball mold cavity through a telescopic rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model can perform convenient vacuum monitoring operations on the inside of the pickle ball mold cavity, so that the gas inside the pickle ball mold cavity can be extracted into a vacuum state, thereby facilitating injection molding with the injection molding machine barrel to prevent gas from interfering with product molding, thereby avoiding the appearance of pores on the surface of the pickle ball product during molding, thereby improving the molding quality and effect of the pickle ball product. At the same time, a limiting clamping plate is provided to cooperate with the positioning guide column structure, which is convenient for limiting and fixing the injection molding mechanism, and can prevent the injection molding machine barrel from deviating and shaking, thereby improving the injection molding accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is the front view of the utility model;

[0016] Figure 3 It is a top view of the utility model;

[0017] Figure 4 It is a side view of the utility model.

[0018] In the figure: 1. Fixed machine; 2. Injection molding frame; 3. Injection molding drive cylinder; 4. Hot melt plastic feed hopper; 5. Injection molding push rod; 6. Injection molding barrel; 7. First limit clamping plate; 8. Second limit clamping plate; 9. Second positioning guide column; 10. Pushing drive cylinder; 11. First positioning guide column; 12. Sealed injection molding cavity; 13. Pickle ball mold cavity; 14. Telescopic rod; 15. Vacuum monitoring meter; 16. Vacuum pump; 17. Sealing joint; 18. Switch control valve; 19. Vacuum extraction pipeline. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figure 1-4 The utility model provides an embodiment: a rotational molding mold for producing pickle balls, comprising a fixed machine platform 1, an injection molding frame 2 is installed on the upper end surface of the fixed machine platform 1, an injection molding barrel 6 is installed on the injection molding frame 2, a first limit card plate 7 and a second limit card plate 8 are respectively installed on the upper end surface of the fixed machine platform 1, the first limit card plate 7 and the second limit card plate 8 are fixedly connected by a first positioning guide column 11 and a second positioning guide column 9, the injection molding barrel 6 passes through the internal notches of the first limit card plate 7 and the second limit card plate 8 and is connected to a sealed injection molding cavity 12 arranged at the upper end of the fixed machine platform 1, the sealed injection molding cavity 12 is sealed and connected to a pickle ball mold cavity 13 through a pipeline, and a sealing joint 17 is arranged at the bottom end of the pickle ball mold cavity 13, and the sealing joint 17 is sealed and connected to a vacuum pump 16 arranged below the fixed machine platform 1 through a vacuum pipeline 19.

[0021] Furthermore, a switch control valve 18 is installed on the vacuum pipeline 19. By opening the switch control valve 18, the vacuum pump 16 can be conveniently turned on to completely extract the gas inside the pickle ball mold cavity 13 through the vacuum pipeline 19, ensuring that the inside of the pickle ball mold cavity 13 is in a vacuum and gas-free state.

[0022] Furthermore, the interior of the pickle ball mold cavity 13 is sealed and connected to a vacuum monitoring meter 15 via a pressure measuring coil. The vacuum monitoring meter 15 facilitates real-time monitoring of the internal air pressure state of the pickle ball mold cavity 13 .

[0023] Furthermore, an injection molding drive cylinder 3 is installed on one side of the injection molding frame 2, and the output end of the injection molding drive cylinder 3 is connected to the inside of the injection molding barrel 6 through the injection molding push rod 5. By turning on the injection molding drive cylinder 3, the hot melt plastic inside the injection molding barrel 6 can be pushed to the inside of the pickle ball mold cavity 13 through the injection molding push rod 5.

[0024] Furthermore, a hot melt plastic feed hopper 4 is provided at the upper end of the injection molding barrel 6 , so as to facilitate the hot melt plastic to be fed into the interior of the injection molding barrel 6 through the hot melt plastic feed hopper 4 .

[0025] Furthermore, a push drive cylinder 10 is installed above the fixed machine 1, and the push drive cylinder 10 is connected to the pickle ball mold cavity 13 through a telescopic rod 14. The push drive cylinder 10 can push the pickle ball mold cavity 13 to perform linear motion, which is convenient for docking with the injection molding mechanism.

[0026] Working principle: When in use, an injection molding frame 2 is installed on the upper end surface of the fixed machine 1, and an injection molding barrel 6 is installed on the injection molding frame 2. A hot-melt plastic feed hopper 4 is arranged on the upper end of the injection molding barrel 6, which is convenient for feeding the hot-melt plastic into the injection molding barrel 6 through the hot-melt plastic feed hopper 4. Then, the injection driving cylinder 3 is turned on, and the hot-melt plastic inside the injection molding barrel 6 can be pushed to the inside of the pickle ball mold cavity 13 through the injection molding push rod 5. The first limit card plate 7 and the second limit card plate 8 are respectively installed on the upper end surface of the fixed machine 1. The first limit card plate 7 and the second limit card plate 8 are fixedly connected by the first positioning guide column 11 and the second positioning guide column 9. The injection molding barrel 6 passes through the internal notches of the first limit card plate 7 and the second limit card plate 8 and is connected to the sealing injection molding machine 1 at the upper end of the fixed machine 1. The plastic cavity 12 is connected, and a limit clamp is provided to cooperate with the positioning guide column structure to facilitate the limiting and fixing of the injection molding mechanism, which can prevent the injection molding machine barrel 6 from offset and shaking, thereby improving the injection molding accuracy. A sealing joint 17 is provided at the bottom end of the pickle ball mold cavity 13, and the sealing joint 17 is sealed and connected to a vacuum pump 16 arranged under the fixed machine 1 through a vacuum pipeline 19. By opening the switch control valve 18, it is convenient to open the vacuum pump 16 to completely extract the gas inside the pickle ball mold cavity 13 through the vacuum pipeline 19, thereby ensuring that the inside of the pickle ball mold cavity 13 is in a vacuum and gas-free state, preventing gas from interfering with the product molding, thereby avoiding the appearance of pores on the surface of the pickle ball product during molding, and improving the molding quality and effect of the pickle ball product.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] The standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art. In addition, the machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, so no specific description is given here.

[0029] 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 rotational molding mold for producing pickle balls, comprising a fixed machine (1), characterized in that: An injection molding machine frame (2) is installed on the upper surface of the fixed machine (1), and an injection molding machine barrel (6) is installed on the injection molding machine frame (2). A first limit clamping plate (7) and a second limit clamping plate (8) are respectively installed on the upper surface of the fixed machine (1). The first limit clamping plate (7) and the second limit clamping plate (8) are fixedly connected via a first positioning guide column (11) and a second positioning guide column (9). The injection molding machine barrel (6) passes through internal notches of the first limit clamping plate (7) and the second limit clamping plate (8) and is connected to a sealed injection molding cavity (12) arranged at the upper end of the fixed machine (1). The sealed injection molding cavity (12) is sealedly connected to a pickle ball mold cavity (13) via a pipeline. A sealing joint (17) is provided at the bottom end of the pickle ball mold cavity (13). The sealing joint (17) is sealedly connected to a vacuum pump (16) arranged below the fixed machine (1) via a vacuum extraction pipeline (19).

2. A rotational molding mold for producing pickle balls according to claim 1, characterized in that: A switch control valve (18) is installed on the vacuum pumping pipeline (19).

3. The rotational molding mold for producing pickle balls according to claim 1, characterized in that: The interior of the pickle ball mold cavity (13) is sealed and connected to a vacuum monitoring meter (15) via a pressure measuring coil.

4. The rotational molding mold for producing pickle balls according to claim 1, characterized in that: An injection molding drive cylinder (3) is installed on one side of the injection molding machine frame (2), and the output end of the injection molding drive cylinder (3) is connected to the inside of the injection molding machine barrel (6) through an injection molding push rod (5).

5. The rotational molding mold for producing pickle balls according to claim 1, characterized in that: A hot melt plastic feed hopper (4) is provided at the upper end of the injection molding machine barrel (6).

6. The rotational molding mold for producing pickle balls according to claim 1, characterized in that: A push-pushing driving cylinder (10) is installed above the fixed machine platform (1), and the push-pushing driving cylinder (10) is connected to the pickle ball mold cavity (13) via a telescopic rod (14).

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