CN212372521U

CN212372521U - Rotational molding tray machining die

Info

Publication number: CN212372521U
Application number: CN202020581713.2U
Authority: CN
Inventors: 王鹏; 吴宇华
Original assignee: Shanghai Jiechuang Mould Manufacturing Co ltd
Current assignee: Shanghai Jiechuang Mould Manufacturing Co ltd
Priority date: 2020-04-18
Filing date: 2020-04-18
Publication date: 2021-01-19
Anticipated expiration: 2030-04-18

Abstract

The utility model relates to the technical field of rotational molding equipment, in particular to a rotational molding tray processing mold, which comprises a mold body and a feeding device arranged on the mold body; the feeding device comprises a tank body arranged on a feeding tank at the top end of the die body, a plurality of storage chambers are arranged inside the tank body, feed inlets are formed in the top ends of the storage chambers, and feed hoppers are mounted on the feed inlets; a discharge hopper is arranged at the bottom of the storage chamber, a shunting discharge pipe is arranged at the bottom of the discharge hopper, and one end of the shunting discharge pipe, which is far away from the storage chamber, is communicated with a mixing chamber; the weighing device is characterized in that a weighing plate is arranged inside the discharging hopper, a discharging plate is arranged at the bottom of the weighing plate, and a weighing sensor is arranged between the discharging plate and the weighing plate. The utility model discloses set up the feed arrangement who is used for storage, ration compounding and feeding on the top of mould body, realized tray rotational moulding fashioned automatic accurate feeding, the pay-off is comparatively convenient, has further improved the quality and the efficiency of tray production and processing.

Description

Rotational molding tray machining die

Technical Field

The utility model relates to a rotational moulding equipment technical field specifically is a rotational moulding tray mold processing.

Background

Rotational molding, also known as rotational molding or rotational molding, is a plastic molding technique with a long history. The rotational molding process is to add plastic powder into a mold, then heat the mold and make it rotate continuously along two mutually perpendicular axes, and the resin in the mold is gradually and uniformly coated and fused on the inner surface of the mold under the action of gravity and heat to form the required shape. And then cooling the mold, and demolding to obtain the product. Compared with injection molding and blow molding processes, the rotational molding process has the outstanding advantages that the investment on equipment and molds is low, the rotational molding process is suitable for the production of large and medium plastic products with complex shapes, and the products are almost free of internal stress, difficult to deform and the like. In a tray rotational molding process plant, there are generally a plurality of molding dies, and therefore, it is necessary to separately fill plastic powder, and during filling, it is necessary for a worker to carry a container filled with powder and then fill the container in a form of scooping the plastic powder, which is troublesome to fill, and does not allow a good control of the amount of filling.

Disclosure of Invention

An object of the utility model is to provide a rotational moulding tray mold processing to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rotational molding tray processing mold comprises a mold body and a feeding device arranged on the mold body; the feeding device comprises a tank body arranged on a feeding tank at the top end of the die body, a plurality of storage chambers are arranged inside the tank body, feed inlets are formed in the top ends of the storage chambers, and feed hoppers are mounted on the feed inlets; a discharge hopper is arranged at the bottom of the storage chamber, a shunting discharge pipe is arranged at the bottom of the discharge hopper, and one end of the shunting discharge pipe, which is far away from the storage chamber, is communicated with a mixing chamber; a weighing plate is arranged inside the discharging hopper, a discharging plate is arranged at the bottom of the weighing plate, a weighing sensor is arranged between the discharging plate and the weighing plate, and electric telescopic rods are connected between the left side and the right side of the bottom of the discharging plate and the inner wall of the discharging hopper; a mixing mechanism is arranged in the mixing chamber; the bottom of the mixing chamber is connected with a feeding fan through a feeding pipe, and the feeding fan is communicated with a feeding hole in the die body.

Preferably, a feeding valve and a sealing head are arranged on the feeding hole.

Preferably, the mixing mechanism comprises a mixing motor arranged on one side outside the mixing chamber, a mixing shaft is arranged at the output end of the mixing motor, and a spiral mixing blade is arranged outside the mixing shaft.

Preferably, the outside cover of mould body is equipped with heat preservation casing, and the cavity between heat preservation casing and the mould body sets up to the heating chamber, and the internally mounted of heating chamber has electric heating pipe.

Preferably, the left side and the right side of the bottom of the tank body are both provided with a movable support frame, and a movable pulley is installed at the bottom of the movable support frame.

Preferably, the weighing sensor, the electric telescopic rod, the feeding fan, the mixing motor and the electric heating pipe are electrically connected with the PLC controller.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses set up the feed arrangement who is used for storage, ration compounding and feeding on the top of mould body, realized tray rotational moulding fashioned automatic accurate feeding, the pay-off is comparatively convenient, need not artifical and ladles out many times, and the structure of this device is comparatively simple, and the cost is comparatively cheap, and convenient operation, and the accuracy is higher, has further improved the quality and the efficiency of tray production and processing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. a mold body; 2. a tank body; 3. a storage chamber; 4. a feed hopper; 5. a discharge hopper; 6. a diversion discharge pipe; 7. a mixing chamber; 8. a weighing plate; 9. a weighing sensor; 10. a discharge plate; 11. an electric telescopic rod; 12. a feeding fan; 13. a feed inlet; 14. a feed valve; 15. a sealing head; 16. a mixing motor; 17. a helical mixing blade; 18. a heat-insulating shell; 19. a heating cavity; 20. an electric heating tube; 21. moving the support frame; 22. a movable pulley; 23. a PLC controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: a rotational molding tray processing mold comprises a mold body 1 and a feeding device arranged on the mold body 1; the feeding device comprises a tank body 2 arranged on a feeding tank at the top end of the die body 1, a plurality of storage chambers 3 are arranged inside the tank body 2, feed inlets are arranged at the top ends of the storage chambers 3, and feed hoppers 4 are arranged on the feed inlets; a discharge hopper 5 is arranged at the bottom of the storage chamber 3, a shunting discharge pipe 6 is arranged at the bottom of the discharge hopper 5, and one end of the shunting discharge pipe 6, which is far away from the storage chamber 3, is communicated with a mixing chamber 7; a weighing plate 8 is arranged in the discharge hopper 5, a discharge plate 10 is arranged at the bottom of the weighing plate 8, a weighing sensor 9 is arranged between the discharge plate 10 and the weighing plate 8, and electric telescopic rods 11 are connected between the left side and the right side of the bottom of the discharge plate 10 and the inner wall of the discharge hopper 5; a mixing mechanism is arranged in the mixing chamber 7; the bottom of the mixing chamber 7 is connected with a feeding fan 12 through a feeding pipe, and the feeding fan 12 is communicated with a feeding hole 13 on the die body 1.

Further, a feed valve 14 and a sealing head 15 are installed on the feed port 13.

Further, the mixing mechanism comprises a mixing motor 16 arranged on one side outside the mixing chamber 7, a mixing shaft is arranged at the output end of the mixing motor 16, and a spiral mixing blade 17 is arranged outside the mixing shaft.

Further, the outside cover of mould body 1 is equipped with heat preservation casing 18, and the cavity between heat preservation casing 18 and the mould body 1 sets up to heating chamber 19, and electric heating pipe 20 is installed to heating chamber 19's internally mounted.

Further, the left side and the right side of the bottom of the tank body 2 are both provided with a movable support frame 21, and a movable pulley 22 is installed at the bottom of the movable support frame 21.

Further, the weighing sensor 9, the electric telescopic rod 11, the feeding fan 12, the mixing motor 16 and the electric heating pipe 20 are all electrically connected with a PLC controller 23.

The working principle is as follows: the utility model discloses before the use, whether operating personnel examines its inner structure earlier is intact, the check is the back of mistake, and operating personnel switches on its power, then with pending tray rotational moulding add respectively with plastic powder raw materials in the storage compartment 3 that corresponds, by corresponding 5 inside bearing sensor 9 of hopper to its weighing plate 8 on the material carry out preliminary bearing and detect to through the weight value that PLC controller 23 control record bearing sensor 9 detected.

Under the cooperation of the movable pulley 22, the tank body 2 is moved to the upper part of the die body 1, then the sealing head 15 on the feeding hole 13 at the top end of the die body 1 is taken down, and the feeding pipe at the bottom of the mixing chamber 7 is communicated with the feeding hole 13. Then, the PLC 23 is started to control the electric telescopic rod 11 corresponding to the bottom of the discharging plate 10 to lift the weighing plate 8 and the discharging plate 10 upwards, so that the weighing plate 8 is far away from the discharging hopper 5, and raw materials enter the shunting feeding pipe 6 through a cavity between the weighing plate 8 and the discharging hopper 5 and enter the mixing chamber 7 through the shunting feeding pipe 6. When the raw material weight value that weighing sensor 9 detected reached the default, weighing sensor 9 sent signal to PLC controller 23, and PLC control 23 control electric telescopic handle 11 drives ejection of compact board 10 and weighing plate 8 and resets for the top of ejection of compact hopper 10 forms closed structure.

When the raw materials are added, the PLC 23 sends signals to the mixing motor 16, so that the mixing motor 16 drives the stirring shaft and the spiral stirring blades 17 on the stirring shaft to fully mix the raw materials in the mixing chamber 7; after mixing, the mixing motor 16 feeds back a signal to the PLC controller 23, and at the same time, the feeding fan 12 is started and the feeding valve 14 on the feeding port 13 is opened, so that the mixed raw material enters the die body 1 through the feeding pipe; after the feeding is completed, the feeding valve 14 on the feeding hole 13 is closed, the electric heating pipe 20 is started, and the heating work is performed on the die body 1 and the raw material inside the die body 1 through the electric heating pipe 20, so that the tray rotational molding work is performed.

It is worth noting that: whole device passes through the PLC controller and realizes control to it, because the equipment that the PLC controller matches is equipment commonly used, belongs to current mature technology, no longer gives unnecessary details its electric connection relation and specific circuit structure here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rotational moulding tray mold processing which characterized in that: comprises a die body (1) and a feeding device arranged on the die body (1); the feeding device comprises a tank body (2) arranged on a feeding tank at the top end of the die body (1), a plurality of storage chambers (3) are arranged inside the tank body (2), feed inlets are formed in the top ends of the storage chambers (3), and feed hoppers (4) are mounted on the feed inlets; a discharge hopper (5) is arranged at the bottom of the storage chamber (3), a shunting discharge pipe (6) is arranged at the bottom of the discharge hopper (5), and one end, far away from the storage chamber (3), of the shunting discharge pipe (6) is communicated with a mixing chamber (7); a weighing plate (8) is arranged inside the discharge hopper (5), a discharge plate (10) is arranged at the bottom of the weighing plate (8), a weighing sensor (9) is arranged between the discharge plate (10) and the weighing plate (8), and electric telescopic rods (11) are connected between the left side and the right side of the bottom of the discharge plate (10) and the inner wall of the discharge hopper (5); a mixing mechanism is arranged in the mixing chamber (7); the bottom of the mixing chamber (7) is connected with a feeding fan (12) through a feeding pipe, and the feeding fan (12) is communicated with a feeding hole (13) on the die body (1).

2. The rotational molding tray processing mold according to claim 1, characterized in that: and a feeding valve (14) and a sealing head (15) are arranged on the feeding hole (13).

3. The rotational molding tray processing mold according to claim 1, characterized in that: the mixing mechanism comprises a mixing motor (16) arranged on one side of the outer portion of the mixing chamber (7), a mixing shaft is arranged at the output end of the mixing motor (16), and a spiral mixing blade (17) is arranged on the outer portion of the mixing shaft.

4. The rotational molding tray processing mold according to claim 1, characterized in that: the outside cover of mould body (1) is equipped with heat preservation casing (18), and the cavity between heat preservation casing (18) and mould body (1) sets up to heating chamber (19), and the internally mounted of heating chamber (19) has electric heating pipe (20).

5. The rotational molding tray processing mold according to claim 1, characterized in that: the left and right sides of the bottom of the tank body (2) are provided with movable support frames (21), and movable pulleys (22) are installed at the bottoms of the movable support frames (21).

6. The rotational molding tray processing mold according to claim 1, characterized in that: the weighing sensor (9), the electric telescopic rod (11), the feeding fan (12), the mixing motor (16) and the electric heating pipe (20) are electrically connected with a PLC (programmable logic controller) controller (23).