Mouth mold structure of hollow plastic blow molding machine

Abstract

The utility model discloses a mouth mold structure of a hollow plastic blow molding machine, which relates to the technical field of blow molding machinery and comprises a mouth mold body, a conveying pipe is slidably connected in the mouth mold body, a mounting component is arranged at one end of the outer side of the mouth mold body, and a cooling component is arranged at the other end of the outer side of the mouth mold body. The mounting assembly comprises a movable sleeve, the movable sleeve is in threaded connection to the outer side of the mouth mold body, a plurality of evenly-distributed limiting balls are slidably connected to the interior of one end of the mouth mold body, a plurality of evenly-distributed limiting grooves are formed in the interior of the end, inserted into the mouth mold body, of the material conveying pipe 1, and the limiting balls are arranged in the limiting grooves. According to the plastic blow molding machine, the material conveying pipe can be quickly connected with the mouth mold body through the mounting assembly, so that the operation process of the plastic blow molding machine is greatly simplified, the mouth mold body can be effectively cooled through the cooling assembly, and plastic can be quickly cooled in the blow molding process.

Description

TECHNICAL FIELD

[0001] The utility model relates to blow molding machinery technical field, concretely is a mouth mould structure of hollow plastic blow molding machine. BACKGROUND

[0002] With the improvement of consumption level and the change of life style, the demand of plastic products increases greatly. Especially in the packaging industry, hollow plastic products such as plastic bottles, containers and the like are more and more favored by consumers due to their light weight, durability, waterproof and moisture-proof properties, thereby promoting the wide application of hollow plastic blow molding technology. Hollow plastic blow molding machine is a kind of equipment for producing hollow plastic products.

[0003] The existing plastic blow molding machine mouth mould is usually fixedly installed in the machine interior. This design limits the operation flexibility, and it is difficult to quickly replace the mouth mould according to different production requirements. Therefore, when facing diversified product manufacturing, the production efficiency may be affected, and the production cost and time cost are increased. UTILITY MODEL CONTENTS

[0004] TECHNICAL PROBLEM SOLVED

[0005] The utility model aims at making up for the deficiency of prior art, and provides a mouth mould structure of hollow plastic blow molding machine.

[0006] TECHNICAL SCHEME

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mouth mould structure of hollow plastic blow molding machine, comprising a mouth mould body, a feeding pipe is slidably connected inside the mouth mould body, an installation assembly is arranged at one end of the outer side of the mouth mould body, and a cooling assembly is arranged at the other end of the outer side of the mouth mould body.

[0008] The installation assembly comprises a moving sleeve, the moving sleeve is threadedly connected to the outer side of the mouth mould body, a plurality of evenly distributed limiting balls are slidably connected inside one end of the mouth mould body, a plurality of evenly distributed limiting grooves are formed in the inner end of the feeding pipe 1 inserted into the inner end of the mouth mould body, the limiting balls are arranged inside the limiting grooves, the inner side of the moving sleeve abuts against the outer side of the limiting balls, the outer side of the limiting balls is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a tension spring, and the other end of the tension spring is fixedly connected to the inner end of the mouth mould body.

[0009] The above-mentioned cooling assembly comprises a mounting shell, the mounting shell is fixedly connected to the other end of the outer side of the mouth mould body, a liquid feeding pipe is fixedly connected inside the mounting shell, the liquid feeding pipe abuts against the outer side of the mouth mould body, the liquid feeding pipe penetrates through the mounting shell at both ends, and the mounting shell housing is provided with a ventilation assembly.

[0010] The ventilation assembly includes a ventilation frame fixedly connected to the outside of the mounting shell, a filter plate slidably connected to the inside of the mounting shell, two pull rings fixedly connected to one side of the filter plate, a plurality of evenly distributed pins slidably connected to the inside of the mounting shell, the pins being slidably connected to the inside of the filter plate at one end, and a pull plate fixedly connected to the other end of each of the adjacent pins, and a plurality of evenly distributed air outlet holes formed in the inside of the mounting shell.

[0011] The outside of the die body is fixedly connected with a limiting ring, and one side of the moving sleeve abuts against the limiting ring close to the one side of the moving sleeve.

[0012] The outside of the die body is fixedly connected with a fixed ring, the outside of the die body is sleeved with a spring one, one end of the spring one abuts against one side of the fixed ring, and the other end of the spring one abuts against the inside of the moving sleeve.

[0013] The inside of the die body is fixedly connected with a supporting ring, and one end of the material conveying pipe inserted into the inside of the die body abuts against one side of the supporting ring.

[0014] The outside of the pin is fixedly connected with a push plate, one side of the push plate is fixedly connected with a spring two, and one end of the spring two is fixedly connected to the inside of the ventilation frame.

[0015] Compared with the prior art, the die structure of the hollow plastic blow molding machine has the following beneficial effects:

[0016] First, the installation assembly can realize the quick connection of the material conveying pipe and the die body, thereby greatly simplifying the operation process of the plastic blow molding machine, improving the production efficiency, making the equipment adapt to the manufacturing of products of different specifications and shapes, reducing the equipment debugging and maintenance time, and further improving the flexibility and reliability of the production line.

[0017] Second, the cooling assembly can effectively cool the die body, ensure that the plastic can be quickly cooled during the blow molding process, prevent overheating, and reduce the risk of surface defects and deformation of the parison.

[0018] Other advantages, objects and features of the present application will be described in the subsequent description to some extent, and to some extent, it will be obvious to those skilled in the art based on the study of the following text or can be taught from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0020] Figure 2A structure schematic view of the die body of the utility model is shown in the figure.

[0021] Figure 3 A structure schematic view of the utility model Figure 2 An enlarged structure schematic view of A in the middle;

[0022] Figure 4 A structure schematic view of the mounting shell mechanism of the utility model is shown in the figure.

[0023] Figure 5 A structure schematic view of the filter plate of the utility model is shown in the figure.

[0024] In the figure: 1, a material conveying pipe; 2, a die body; 3, a fixing ring; 4, spring one; 5, a mounting assembly; 501, a moving sleeve; 502, a limiting ball; 503, a connecting plate; 504, a tension spring; 6, a ventilation assembly; 601, a filter plate; 602, a pull ring; 603, a bolt; 604, a pull plate; 605, spring two; 606, a push plate; 607, a ventilation frame; 7, a cooling assembly; 701, a liquid conveying pipe; 702, a mounting shell; 8, a limiting ring; 9, a supporting ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] For example, Figures 1-5As shown, the utility model provides a technical scheme: a mouth mould structure of hollow plastic blow molding machine, including mouth mould body 2, mouth mould body 2 is responsible for the flow of plastic melt and bears the mechanical and thermal load in the whole blow molding process, slidingly connected with the feed pipe 1 in the mouth mould body 2, the feed pipe 1 plays the role of input plastic melt to the mouth mould body 2, fixedly connected with the support ring 9 in the mouth mould body 2, the feed pipe 1 is inserted into the mouth mould body 2 inside one end and abuts at one side of support ring 9, support ring 9 provides support for the feed pipe 1, prevents the displacement or inclination of feed pipe 1 in the operation process, ensures the stability of plastic flow direction, one end of mouth mould body 2 outside is provided with installation assembly 5, installation assembly 5 includes moving sleeve 501, moving sleeve 501 is connected in the outside of mouth mould body 2, a plurality of evenly distributed limit balls 502 are slidably connected in the inside of mouth mould body 2 one end, a plurality of evenly distributed limit grooves are formed in the inside of the feed pipe 1 inserted into the mouth mould body 2 inside one end, limit ball 502 is arranged in the inside of limit groove, limit ball 502 and limit groove jointly constitute a kind of locking mechanism, by fixing limit ball 502 in the inside of limit groove, ensure that the relative position of feed pipe 1 and mouth mould body 2 does not deviate, the inside of moving sleeve 501 abuts at the outside of limit ball 502, limit ball 502 outside is fixedly connected with connecting plate 503, connecting plate 503 one side is fixedly connected with tension spring 504, tension spring 504 other end is fixedly connected in the inside of mouth mould body 2, fixed ring 8 is fixedly connected to the outside of mouth mould body 2, moving sleeve 501 one side abuts at fixed ring 8 close to moving sleeve 501 one side, limit ring 8 is used to limit the movement of moving sleeve 501, fixed ring 3 is fixedly connected to the outside of mouth mould body 2, spring one 4 is sleeved to the outside of mouth mould body 2, spring one 4 one end abuts at fixed ring 3 one side, spring one 4 other end abuts in the inside of moving sleeve 501, spring one 4 can provide sustained pressure for moving sleeve 501, help the fastening force between moving sleeve 501 and mouth mould body 2. This helps to prevent moving sleeve 501 from loosening under vibration or external force, ensure the stability of connecting place.

[0027] As Figure 1 , Figure 4 shown, the other end of the mouth mould body 2 outside is provided with cooling assembly 7, cooling assembly 7 includes installation shell 702, installation shell 702 is fixedly connected to the other end of the mouth mould body 2, installation shell 702 is fixedly connected with infusion tube 701 in the inside, infusion tube 701 abuts at the outside of mouth mould body 2, infusion tube 701 both ends penetrate installation shell 702, installation shell 702 is used to install infusion tube 701, cooling liquid can be contacted with mouth mould body 2 through infusion tube 701 to drive the heat of mouth mould body 2.

[0028] As Figure 1 , Figure 4 and Figure 5As shown, the installation shell 702 is provided with a ventilation assembly 6, which includes a ventilation frame 607 fixedly connected to the outside of the installation shell 702. Air can enter the inside of the installation shell 702 through the ventilation frame 607 and blow towards the infusion tube 701. A filter plate 601 is slidably connected inside the installation shell 702. The filter plate 601 is used to filter impurities in the air to prevent dust and pollutants from entering the ventilation frame 607. Two pull rings 602 are fixedly connected to one side of the filter plate 601. The pull rings 602 facilitate the movement and adjustment of the filter plate 601 by the operator. A plurality of evenly distributed pins 603 are slidably connected inside the installation shell 702. One end of the pin 603 is slidably connected inside the filter plate 601. The pin 603 can be inserted into the inside of the filter plate 601 to fix the filter plate 601 inside the ventilation frame 607. A push plate 606 is fixedly connected to the outside of the pin 603. A spring 2 605 is fixedly connected to one side of the push plate 606. One end of the spring 2 605 is fixedly connected to the inside of the ventilation frame 607. The push plate 606 and the spring 2 605 work together to push the pin 603 through elastic action to ensure that the pin 603 can be smoothly operated and locked. The other end of each of the adjacent two pins 603 is fixedly connected to a pull plate 604. A plurality of evenly distributed exhaust holes are provided in the inside of the installation shell 702. The exhaust holes provide an air discharge channel to help expel hot air during the cooling process of the die.

[0029] Working principle: When using the die structure, select the die body 2 according to the use requirements, then insert one end of the material feeding tube 1 into the inside of the die body 2 to make the material feeding tube 1 contact with the support ring 9, then rotate the moving sleeve 501, and move the moving sleeve 501 to the limiting ring 8 during rotation and push the plurality of limiting balls 502 inside the die body 2 to move. After the plurality of limiting balls 502 are respectively inserted into the plurality of limiting grooves inside the material feeding tube 1, the material feeding tube 1 can be fixed inside the die body 2 to complete the quick installation of the die body 2. The material feeding tube 1 sends the plastic melt from the outside to the die body 2 to ensure that the melt flows into the die for subsequent blow molding. During the molding process, the cooling liquid is input into the infusion tube 701, and the cooling liquid flows through the die body 2 through the infusion tube 701 to take away heat, thereby helping the die body 2 to maintain an appropriate temperature and prevent overheating. The airflow enters the inside of the installation shell 702 through the ventilation frame 607 and blows towards the infusion tube 701 to further assist the cooling process. When the airflow enters the ventilation frame 607, the filter plate 601 can filter the impurities in the airflow to prevent impurities from entering the inside of the ventilation frame 607. The impurities adhere to the surface of the filter plate 601. When it is necessary to clean the impurities on the surface of the filter plate 601, the two pull plates 604 can be pulled to move the plurality of pins 603 to pull out one end of the plurality of pins 603 from the inside of the filter plate 601. Then the filter plate 601 can be taken out through the pull ring 602 for cleaning.

[0030] It should be noted that in this paper, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "fixed", "mounted", "connected", "connected" should be understood broadly, for example, "mounted" can be fixed connection, can also be detachable connection, or integral connection; "connected" can be mechanical connection, can also be electrical connection; "connected" can be directly connected, can also be indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A die structure of a hollow plastic blow molding machine, comprising a die body (2), characterized in that: The mouth die body (2) is slidably connected with a feeding pipe (1), one end of the outer side of the mouth die body (2) is provided with a mounting assembly (5), and the other end of the outer side of the mouth die body (2) is provided with a cooling assembly (7). The mounting assembly (5) comprises a moving sleeve (501) which is threadedly connected to the outer side of the mouth die body (2), a plurality of evenly distributed limiting balls (502) are slidably connected in the mouth die body (2), a plurality of evenly distributed limiting grooves are formed in the inner end of the feeding pipe (1), the limiting balls (502) are arranged in the limiting grooves, the inner side of the moving sleeve (501) abuts against the outer side of the limiting balls (502), the outer side of the limiting balls (502) is fixedly connected with a connecting plate (503), one side of the connecting plate (503) is fixedly connected with a tension spring (504), and the other end of the tension spring (504) is fixedly connected to the inner side of the mouth die body (2).

2. A die structure for a hollow plastic blow molding machine according to claim 1, wherein: The cooling assembly (7) comprises a mounting shell (702) which is fixedly connected to the other end of the outer side of the mouth die body (2), a liquid feeding pipe (701) is fixedly connected to the inner side of the mounting shell (702), the liquid feeding pipe (701) abuts against the outer side of the mouth die body (2), and the liquid feeding pipe (701) penetrates through the mounting shell (702).

3. A die structure for a hollow plastic blow molding machine according to claim 2, wherein: The ventilation assembly (6) comprises a ventilation frame (607) which is fixedly connected to the outer side of the mounting shell (702), a filter plate (601) is slidably connected to the inner side of the mounting shell (702), two pull rings (602) are fixedly connected to one side of the filter plate (601), a plurality of evenly distributed bolts (603) are slidably connected to the inner side of the mounting shell (702), one end of the bolt (603) is slidably connected to the inner side of the filter plate (601), the other end of the adjacent two bolts (603) is fixedly connected with a pull plate (604), and a plurality of evenly distributed air outlet holes are formed in the inner side of the mounting shell (702).

4. A die structure for a hollow plastic blow molding machine as defined in claim 1 wherein: The outer side of the mouth die body (2) is fixedly connected with a limiting ring (8), and one side of the moving sleeve (501) abuts against the side of the limiting ring (8) close to the moving sleeve (501).

5. A die structure for a hollow plastic blow molding machine as defined in claim 1 wherein: The outer side of the mouth die body (2) is fixedly connected with a fixed ring (3), the outer side of the mouth die body (2) is sleeved with a spring (4), one end of the spring (4) abuts against one side of the fixed ring (3), and the other end of the spring (4) abuts against the inner side of the moving sleeve (501).

6. A die structure for a hollow plastic blow molding machine according to claim 1, wherein: The inner side of the mouth die body (2) is fixedly connected with a supporting ring (9), and the inner end of the feeding pipe (1) abuts against one side of the supporting ring (9).

7. A die structure for a hollow plastic blow molding machine according to claim 3, wherein: The outer side of the bolt (603) is fixedly connected with a push plate (606), one side of the push plate (606) is fixedly connected with a spring (605), and one end of the spring (605) is fixedly connected to the inner side of the ventilation frame (607).

Images