Feeding mechanism for rotational molding machine

Abstract

The utility model belongs to the technical field of rotational molding machines, and discloses a feeding mechanism for a rotational molding machine, which comprises a support frame and a rotational molding mold, the rotational molding mold is movably mounted in the support frame, a material storage mechanism is fixedly mounted above the support frame, a material supplementing opening is formed in the side surface of the rotational molding mold, and the material supplementing opening is communicated with the material storage mechanism. A discharging opening is formed in the side face of the material storage mechanism, and a feeding assembly is connected between the material supplementing opening and the discharging opening. The feeding assembly comprises a first feeding pipe arranged on one side of the rotational molding mold and one side of the storage mechanism. The feeding plug can ensure that the lower end of the first feeding pipe can be always communicated with the rotational molding mold, the upper end of the second feeding pipe can be always communicated with the material storage mechanism, and the first feeding pipe and the second feeding pipe can be inserted in a relatively sliding manner under the matching of the first feeding pipe and the second feeding pipe; therefore, when the rotational molding mold rotates continuously, the storage mechanism can always supplement raw materials into the rotational molding mold through the feeding assembly at any time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rotational moulding machine technical field, specifically is a kind of feeding mechanism for rotational moulding machine. BACKGROUND

[0002] Rotational molding, also known as rotational molding, rotational molding, rotational molding, etc., is a kind of hollow molding method of thermoplastic plastic;This method is to first add plastic raw materials into the mold, then the mold is constantly rotated along two vertical axes and heated, 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 the product is formed by cooling and setting after forming the required shape.

[0003] The existing rotational molding machine is supplemented by manual secondary feeding during rotational molding, which requires ensuring that the discharge end of the feeding device is connected with the feeding hole on the mold during the rotation of the rotational molding mold, but in actual operation, it is extremely difficult to connect the discharge end with the constantly moving feeding hole, and the temperature on the mold is high, which has certain safety hazards, therefore, a feeding device for rotational molding machine is needed to solve the problems existing in the prior art. INVENTION CONTENTS

[0004] To solve the problems in the background art, the utility model provides a feeding mechanism for rotational molding machine, which has the advantage of easy connection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a feeding mechanism for rotational molding machine, comprising a support frame and a rotational molding mold, the rotational molding mold is movably installed in the inside of support frame, the upper portion of support frame is fixedly installed with storage mechanism, the side surface of rotational molding mold is provided with feeding opening, the side surface of storage mechanism is provided with discharge opening, and the feeding opening and discharge opening are connected with feeding assembly;

[0006] The feeding assembly comprises a first feeding pipe arranged on one side of the rotational molding mold and the storage mechanism, the upper end of the first feeding pipe is inserted with a second feeding pipe, the upper end of the second feeding pipe is connected with the discharge opening on the side surface of the storage mechanism, the lower end of the first feeding pipe is inserted with a feeding plug, and the other end of the feeding plug is connected with the feeding opening on the side surface of the rotational molding mold.

[0007] Preferably, the side surface of the support frame is provided with a driving mechanism located below the rotational molding mold, the output shaft of the driving mechanism is fixedly connected with a driving gear, the outer surface of the rotational molding mold is fixedly sleeved with a driven gear located directly above the driving gear, and the driven gear and the driving gear are engaged with each other.

[0008] Preferably, the upper end of the first feeding pipe and the lower end of the second feeding pipe are perpendicular to the axis of the rotational moulding mould, and the upper end of the second feeding pipe and the feeding plug are parallel to the axis of the rotational moulding mould.

[0009] Preferably, the rotational moulding mould is rotatably sleeved in the inside of the support frame through the two locating bearings.

[0010] Preferably, the end of the rotational moulding mould away from the feeding assembly is connected with a demoulding cover, and the proximal end of the rotational moulding mould and the demoulding cover is connected with a plurality of locking clamps which are uniformly distributed.

[0011] Preferably, the storage mechanism comprises a storage box which is fixedly installed on the top of the support frame, the upper end of the second feeding pipe is connected to the side of the storage box, the top of the storage box is slidably connected with a limiting frame, the bottom of the limiting frame is fixedly connected with a connecting rope, and the other end of the connecting rope is connected with the feeding plug through the discharge port, the second feeding pipe and the first feeding pipe.

[0012] Preferably, the feeding plug comprises a connecting pipe which is fixedly connected to the side of the rotational moulding mould, the inside of the rotational moulding mould is provided with a blocking groove which is communicated with one end of the connecting pipe, the other end of the blocking groove is communicated with the feeding port, the outer surface of the end of the connecting pipe close to the first feeding pipe is fixedly sleeved with a shaft seal ring, the shaft seal ring is sealingly sleeved in the inside of the first feeding pipe, the inside of the end of the second feeding pipe close to the storage box is sealingly sleeved with another shaft seal ring, and the shaft seal ring is fixedly connected to the outside of the discharge port of the storage box.

[0013] Preferably, the inside of the blocking groove is slidably sleeved with a plug, the lower end of the connecting rope is fixedly connected with the plug, one end of the plug is slidably sleeved in the inside of the blocking groove and the connecting pipe, the other end of the plug is sealingly matched in the inside of the feeding port, the side of the plug is provided with a communicating groove which is communicated with the blocking groove and the feeding port, the inside of the connecting pipe is provided with a locating spring, and the two ends of the locating spring are abuttingly arranged with the connecting pipe and the plug.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] 1. The utility model discloses a first upper feeding pipe lower extreme can always be linked with rotomoulding mould through the upper feeding block, and the upper extreme of second upper feeding pipe can always be linked with the storage mechanism, and under the cooperation of first upper feeding pipe and second upper feeding pipe, the both can slide and insert relatively, thereby ensuring that the storage mechanism can always be linked with rotomoulding mould through the upper feeding assembly when rotomoulding mould rotates continuously, thereby facilitating the safe and convenient supplement of raw materials during rotomoulding.

[0016] 2. The utility model discloses the setting of connecting rope, under the cooperation of plug, rotomoulding raw material can be supplemented quantitatively at any time, and reciprocating pulling connecting rope under the elastic recovery force of positioning spring can help to dredge the blockage of raw materials in the upper feeding assembly. DRAWINGS

[0017] Figure 1 It is the structure schematic drawing of the utility model;

[0018] Figure 2 It is the front view of the utility model;

[0019] Figure 3 It is the side view of the utility model;

[0020] Figure 4 It is the sectional view of the front of the utility model;

[0021] Figure 5 It is Figure 4 The local enlarged schematic drawing of A place in;

[0022] Figure 6 It is the structure schematic drawing of plug in the utility model.

[0023] In the drawing: 1, support frame; 2, rotomoulding mould; 3, storage mechanism; 31, storage tank; 32, limiting frame; 33, connecting rope; 4, upper feeding assembly; 41, first upper feeding pipe; 42, upper feeding block; 421, connecting pipe; 422, plugging groove; 423, plug; 424, communication groove; 425, positioning spring; 426, shaft seal ring; 43, second upper feeding pipe; 5, demoulding cover; 6, locking clamping piece; 7, positioning bearing. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the utility model.

[0025] AsFigures 1 to 6 The utility model provides a feeding mechanism for rotational moulding machine, including support frame 1 and rotational moulding mould 2, rotational moulding mould 2 is movably installed in the inside of support frame 1, the upper portion of support frame 1 is fixedly installed with storage mechanism 3, the side surface of rotational moulding mould 2 is provided with the replenishment port, the side surface of storage mechanism 3 is provided with the discharge port, and the replenishment port is connected with feeding assembly 4 between the discharge port and the discharge port,

[0026] Feeding assembly 4 includes the first feeding pipe 41 of setting in rotational moulding mould 2 and storage mechanism 3 one side, the upper end of first feeding pipe 41 is inserted with second feeding pipe 43, and the upper end of second feeding pipe 43 is connected with the discharge port of the side surface of storage mechanism 3, and the lower end of first feeding pipe 41 is inserted with feeding plug 42, and the other end of feeding plug 42 is connected with the replenishment port of the side surface of rotational moulding mould 2, due to the setting of feeding plug 42 and second feeding pipe 43, the lower end of first feeding pipe 41 can be ensured to be always communicated with rotational moulding mould 2 through feeding plug 42, and the upper end of second feeding pipe 43 can be always communicated with storage mechanism 3, and the cooperation of first feeding pipe 41 and second feeding pipe 43 makes them can be relatively slid and inserted, so that it can be ensured that storage mechanism 3 can be always communicated with rotational moulding mould 2 through feeding assembly 4 when rotational moulding mould 2 continuously rotates, so that it is convenient to supplement raw materials at any time during rotational moulding.

[0027] As Figure 1 The side surface of support frame 1 is provided with driving mechanism below rotational moulding mould 2, the output shaft of driving mechanism is fixedly connected with driving gear, and the outer surface of rotational moulding mould 2 is fixedly sleeved with driven gear above driving gear, and driven gear and driving gear are mutually engaged.

[0028] As Figure 1 The upper end of first feeding pipe 41 and the lower end of second feeding pipe 43 are perpendicular to the axis of rotational moulding mould 2, and the upper end of second feeding pipe 43 and feeding plug 42 are parallel to the axis of rotational moulding mould 2.

[0029] As Figure 3 The outer surface of rotational moulding mould 2 is fixedly sleeved with two left and right locating bearings 7, and rotational moulding mould 2 is rotatably sleeved in the inside of support frame 1 through locating bearing 7.

[0030] As Figure 2 The outer surface of rotational moulding mould 2 is fixedly sleeved with two left and right locating bearings 7, and rotational moulding mould 2 is rotatably sleeved in the inside of support frame 1 through locating bearing 7.

[0031] AsFigures 2 to 4 As shown in the figure, the storage mechanism 3 comprises a storage box 31 fixedly installed on the top of the support frame 1, the upper end of the second feeding pipe 43 is connected to the side of the storage box 31, the top of the storage box 31 is slidingly connected with a limiting frame 32, the bottom of the limiting frame 32 is fixedly connected with a connecting rope 33, the other end of the connecting rope 33 is connected with the upper feeding plug 42 through the feeding opening, the second feeding pipe 43 and the first feeding pipe 41; due to the arrangement of the connecting rope 33, the upper feeding plug 42 can be conveniently replenished with the original roto-molding material at any time, and the elastic restoring force of the positioning spring 425 can help to dredge the blockage of the internal material of the upper feeding assembly 4 by reciprocally pulling the connecting rope 33.

[0032] As shown in the figure, Figure 5 The upper feeding plug 42 comprises a connecting pipe 421 fixedly connected to the side of the roto-molding mold 2, the inside of the roto-molding mold 2 is provided with a blocking groove 422 communicated with one end of the connecting pipe 421, the other end of the blocking groove 422 is communicated with the feeding opening, the outer surface of the end of the connecting pipe 421 close to the first feeding pipe 41 is fixedly sleeved with a shaft seal ring 426, the shaft seal ring 426 is sealingly sleeved in the inside of the first feeding pipe 41, the inside of the end of the second feeding pipe 43 close to the storage box 31 is sealingly sleeved with another shaft seal ring 426, and the shaft seal ring 426 is fixedly connected to the outside of the feeding opening of the storage box 31; due to the arrangement of the shaft seal ring 426, the relative rotating end of the connecting pipe 421 and the second feeding pipe 43 can relatively rotate, and the sealing property of each can be ensured, so that the leakage of the original roto-molding material can be avoided.

[0033] As shown in the figure, Figure 5 And Figure 6 The inside of the blocking groove 422 is slidingly sleeved with a plug 423, the lower end of the connecting rope 33 is fixedly connected with the plug 423, one end of the plug 423 is slidingly sleeved in the inside of the blocking groove 422 and the connecting pipe 421, the other end of the plug 423 is sealingly fitted in the inside of the feeding opening, the side of the plug 423 is provided with a communicating groove 424 communicated with the blocking groove 422 and the feeding opening, the inside of the connecting pipe 421 is provided with a positioning spring 425, and the two ends of the positioning spring 425 are respectively abutted with the connecting pipe 421 and the plug 423; due to the arrangement of the positioning spring 425, the plug 423 can be blocked in the feeding opening under the elastic restoring force of the positioning spring 425, and the plug 423 can be removed from the feeding opening by the connecting rope 33, so that the secondary feeding can be facilitated.

[0034] The working principle and use process of the utility model are as follows:

[0035] After the rotomolding raw materials are added, the demolding cover 5 is packaged to the end of the rotomolding mold 2 through the locking clamping piece 6, and then the driving mechanism is opened to drive the rotomolding mold 2 to rotate continuously under the limitation of the support frame 1, and the rotomolding is completed under the cooperation of the heating mechanism, during which the blanking plate in the storage tank 31 is opened, and the limiting frame 32 is moved to pull the plug 423 through the connecting rope 33, so that the plug 423 is away from the plugging groove 422 and close to one side of the rotomolding mold 2 under the limitation of the plugging groove 422, and the positioning spring 425 is compressed under the limitation of the connecting pipe 421 to increase the elastic restoring force, at this time the rotomolding raw materials can flow into the inside of the rotomolding mold 2 through the feeding plug 42, the first feeding pipe 41, the connecting pipe 421, the communication groove 424 and the feeding plug 42, so that the feeding operation during the rotomolding is completed.

[0036] The rotation of the rotomolding mold 2 makes the lower end of the whole upper feeding assembly 4 reciprocate around the connecting end of the rotomolding mold 2 and the storage tank 31 under the cooperation of the shaft sealing ring 426, and makes the first feeding pipe 41 and the second feeding pipe 43 relatively slide, so that the storage tank 31 can be connected with the rotomolding mold 2 through the upper feeding assembly 4 at all times while the rotomolding mold 2 rotates continuously.

[0037] It should be noted that in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles or equipment including a series of elements not only include those elements, but also include other elements not explicitly listed or inherent to such processes, methods, articles or equipment.

[0038] Although the embodiments of the present application 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 the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A feeding mechanism for a rotational molding machine, comprising a supporting frame (1) and a rotational molding mold (2), characterized in that: The rotational molding mold (2) is movably installed in the inside of the support frame (1), the upper portion of the support frame (1) is fixedly installed with a storage mechanism (3), the side of the rotational molding mold (2) is provided with a feeding opening, the side of the storage mechanism (3) is provided with a discharging opening, and the feeding opening and the discharging opening are connected with a feeding assembly (4). The feeding assembly (4) comprises a first feeding pipe (41) arranged on one side of the rotational molding mold (2) and the storage mechanism (3), the upper end of the first feeding pipe (41) is inserted with a second feeding pipe (43), the upper end of the second feeding pipe (43) is connected with the discharging opening in the side of the storage mechanism (3), the lower end of the first feeding pipe (41) is inserted with a feeding plug (42), and the other end of the feeding plug (42) is connected with the feeding opening in the side of the rotational molding mold (2).

2. The feeding mechanism for a rotational molding machine according to claim 1, characterized in that: The side of the support frame (1) is installed with a driving mechanism located below the rotational molding mold (2), the output shaft of the driving mechanism is fixedly connected with a driving gear, the outer surface of the rotational molding mold (2) is fixedly sleeved with a driven gear located directly above the driving gear, and the driven gear and the driving gear are mutually engaged.

3. The feeding mechanism for a rotational molding machine according to claim 1, characterized in that: The upper end of the first feeding pipe (41) and the lower end of the second feeding pipe (43) are perpendicular to the axis of the rotational molding mold (2), and the upper end of the second feeding pipe (43) and the feeding plug (42) are parallel to the axis of the rotational molding mold (2).

4. The feeding mechanism for a rotational molding machine according to claim 1, characterized in that: The outer surface of the rotational molding mold (2) is fixedly sleeved with two left and right positioning bearings (7), and the rotational molding mold (2) is rotatably sleeved in the inside of the support frame (1) through the positioning bearings (7).

5. The feeding mechanism for roto-molding machine according to claim 1, wherein: The outer surface of the rotational molding mold (2) is connected with a demolding cover (5) away from the feeding assembly (4), the outer surfaces of the rotational molding mold (2) and the demolding cover (5) are connected with evenly distributed locking clamps (6) at proximal ends, and the demolding cover (5) is fixedly connected with the rotational molding mold (2) through the locking clamps (6).

6. The feeding mechanism for a rotational moulding machine according to claim 1, characterized in that: The storage mechanism (3) comprises a storage box (31) fixedly installed on the top of the support frame (1), the upper end of the second feeding pipe (43) is connected to the side of the storage box (31), the top of the storage box (31) is slidably clamped with a limiting frame (32), the bottom of the limiting frame (32) is fixedly connected with a connecting rope (33), and the other end of the connecting rope (33) is connected with the feeding plug (42) through the discharging opening, the second feeding pipe (43) and the first feeding pipe (41).

7. The feeding mechanism for a rotational moulding machine according to claim 6, characterized in that: The upper material blocking piece (42) comprises a connecting pipe (421) fixedly connected to the side surface of the rotational molding mold (2), the inside of the rotational molding mold (2) is provided with a blocking groove (422) communicated with one end of the connecting pipe (421), the other end of the blocking groove (422) is communicated with the material supplementing opening, the outer surface of the connecting pipe (421) near one end of the first upper material pipe (41) is fixedly sleeved with a shaft sealing ring (426), the shaft sealing ring (426) is sealingly sleeved in the first upper material pipe (41), the inside of the second upper material pipe (43) near one end of the storage box (31) is sealingly sleeved with another shaft sealing ring (426), and the shaft sealing ring (426) is fixedly connected to the outside of the material supplementing opening of the storage box (31).

8. The feeding mechanism for a rotational moulding machine according to claim 7, characterized in that: The inside of the blocking groove (422) is slidingly sleeved with a plug (423), the lower end of the connecting rope (33) is fixedly connected to the plug (423), one end of the plug (423) is slidingly sleeved in the inside of the blocking groove (422) and the connecting pipe (421), the other end of the plug (423) is sealingly attached to the inside of the material supplementing opening, the side surface of the plug (423) is provided with a communicating groove (424), the two ends of the communicating groove (424) are respectively communicated with the blocking groove (422) and the material supplementing opening, and the inside of the connecting pipe (421) is provided with a positioning spring (425), and the two ends of the positioning spring (425) are respectively abutted with the connecting pipe (421) and the plug (423).

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