Oil tank bottle opening flanging forming die and device

Abstract

Before blanking and die assembly, two extrusion driving pieces respectively drive two sliding blocks to move outwards by a certain distance so as to make up a forming space, a blanking rubber blank is sleeved on a blowing needle, then two half dies are assembled, after die assembly is completed, the blowing needle blows air into half die cavities, and then the two half dies are pressed into the forming space. An oil tank bottle body is formed in the first cavity, an oil tank bottle opening is formed in the second cavity, meanwhile, the two extrusion driving pieces drive the sliding blocks to extrude the connecting position of the first cavity and the second cavity respectively, a flange with the uniform thickness is formed on the oil tank bottle opening through one-time extrusion, and production is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to blow molding technical field, concretely relates to a tank bottle mouth flanging forming die and device. BACKGROUND

[0002] Because blow molding process production cost is low and the product produced has no joint etc. advantages, more and more oil tank is produced by blow molding process. The bottle mouth of blow molding oil tank product in prior art is shaped by extending the bottle mouth, and the thickness of tank bottle mouth is uneven, needs subsequent processing to reach preset size, and production is inconvenient. UTILITY MODEL CONTENTS

[0003] In order to overcome the insufficient of prior art, the utility model provides a tank bottle mouth flanging forming die and device, can solve the inconvenient problem of existing tank bottle mouth production.

[0004] The utility model discloses a technical scheme that solves its technical problem is: on one hand, provide a kind of tank bottle mouth flanging forming die, including blow needle and two half moulds, two the half moulds are all provided with half mould cavity, and two half mould cavities are oppositely arranged, and the blow needle is located between two half mould cavities;The half mould cavity includes the first cavity and the second cavity that are interconnected, and the first cavity is used to form tank bottle body, and the second cavity is used to form tank bottle mouth;Sliding block is provided in the second cavity, and the sliding block is connected with extrusion driving part, and the extrusion driving part is used to drive the sliding block extrusion the junction of the first cavity and the second cavity.

[0005] As a further improvement of the above technical solution, the extrusion driving part includes a cylinder, the cylinder body of the cylinder is installed on the half mould through a mounting plate, and the piston rod of the cylinder is fixedly connected with the sliding block.

[0006] As a further improvement of the above technical solution, the side, away from the first cavity, of the sliding block is provided with a T-shaped groove, the end of the piston rod of the cylinder is fixedly connected with a connecting piece, and the connecting piece is clamped in the T-shaped groove.

[0007] As a further improvement of the above technical solution, the side, away from the first cavity, of the second cavity is communicated with the side wall of the half mould, and the mounting plate covers the side, away from the first cavity, of the second cavity;The cylinder body of the cylinder is installed on the side, away from the second cavity, of the mounting plate, the mounting plate is provided with a through hole, and the piston rod of the cylinder is arranged in the through hole.

[0008] As a further improvement of the above technical solution, the bottom of the sliding block is provided with a sliding groove, the bottom of the second cavity is provided with a sliding rail, the sliding rail is slidingly arranged in the sliding groove, and the length direction of the sliding rail is the same as the extension direction of the piston rod of the cylinder.

[0009] As a further improvement of the above technical solution, the mold closing knife is mounted on the slider, and the mold closing knife is used to cut the waste material of the oil tank spout.

[0010] As a further improvement of the above technical solution, the two sliders are provided with cavities, and the two cavities are oppositely arranged.

[0011] As a further improvement of the above technical solution, the two sliders are further provided with avoidance cavities, and the two avoidance cavities are oppositely arranged and respectively communicated with the two cavities.

[0012] As a further improvement of the above technical solution, the output end of the blowing needle is provided with a chamfer.

[0013] In another aspect, the utility model provides an oil tank spout flanging forming device, including blowing machine, two mold driving pieces and preceding and following oil tank spout flanging forming mould, blowing machine is connected with blowing needle and is used in blowing through blowing needle, two mold driving pieces are used for driving two half moulds to be close to each other or away from each other respectively.

[0014] The utility model discloses beneficial effects are: two extrusion driving pieces drive two sliders to move a certain distance outward before blanking and moulding, to leave forming space, and the blanking rubber blank is sleeved on the blowing needle, then two half moulds are moulded, and the blowing needle blows air into the half mould cavity after moulding is completed, and the oil tank body is formed in the first cavity, and the oil tank spout is formed in the second cavity, and two extrusion driving pieces drive the slider to extrude the connecting place of the first cavity and the second cavity respectively, and the flange with uniform thickness is formed on the oil tank spout once, and production is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further illustrated below in connection with the drawings and examples.

[0016] Figure 1 It is the structure schematic diagram of oil tank spout flanging forming mould and oil tank that the utility model preferred embodiment provides;

[0017] Figure 2 It is the structure schematic diagram of oil tank that the utility model preferred embodiment provides;

[0018] Figure 3 It is Figure 1 The structure schematic diagram of part components in;

[0019] Figure 4 It is the structure schematic diagram of half mould that the utility model preferred embodiment provides;

[0020] Figure 5 It is the sectional view of half mould that the utility model preferred embodiment provides.

[0021] Reference numerals: 1, half mold, 2, blowing needle, 3, oil tank;

[0022] 11, half mold cavity, 12, extrusion driving part, 13, mounting plate, 14, connecting piece, 15, sliding groove, 16, sliding rail, 31, oil tank bottle body, 32, oil tank bottle mouth, 33, flanging;

[0023] 111, first cavity, 112, second cavity, 113, sliding block, 114, T-shaped groove, 115, cavity, 116, position avoiding cavity, 121, oil cylinder, 131, through hole, 141, first connecting part, 142, second connecting part, 143, third connecting part. DETAILED DESCRIPTION

[0024] The concept, specific structure and generated technical effects of the utility model will be described clearly and completely in combination with the embodiments and drawings, so as to fully understand the purpose, features and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and other embodiments obtained by the person skilled in the art without creative labor based on the embodiments of the utility model all belong to the protection scope of the utility model. In addition, all the coupling / connection relations involved in the patent do not mean that the components are directly connected, but means that a better coupling structure can be formed by adding or reducing coupling auxiliary components according to the specific implementation situation, such as fixed connection / fixed installation, which can be selected according to the needs, such as screw connection, bolt connection, pin connection, key connection, adhesion, mortise and tenon connection, welding, riveting and the like, such as detachable connection, which can be selected according to the needs, such as screw connection, bolt connection, threaded connection, buckle connection, mortise and tenon connection, magic tape connection and the like. The various technical features in the utility model creation can be combined interactively on the premise of not being contradictory and conflicting.

[0025] Please refer to Figures 1-5 The utility model provides a kind of oil tank bottle mouth flanging forming die, including blowing needle 2 and two half molds 1, two half molds 1 are provided with half mold cavity 11, and two half mold cavities 11 are oppositely arranged, blowing needle 2 is located between two half mold cavities 11, two half mold cavities 11 combination form complete mold cavity, by blowing needle 2 to rubber blank blowing gas, rubber blank expands and forms the shape required in mold cavity.

[0026] Specifically, the half-mold cavity 11 includes a first cavity 111 and a first cavity 112 which are in communication with each other, the first cavity 111 is used for forming the oil tank bottle body 31, and the first cavity 112 is used for forming the oil tank bottle mouth 32; a sliding block 113 is arranged in the first cavity 112, the sliding block 113 is connected with an extrusion driving part 12, the extrusion driving part 12 is used for driving the sliding block 113 to extrude the connection part of the first cavity 111 and the first cavity 112, and a mold closing knife edge (not shown in the figure) is installed on the sliding block 113, and the mold closing knife edge is used for cutting the waste of the oil tank bottle mouth 32. Before blanking and molding, the two extrusion driving parts 12 respectively drive the two sliding blocks 113 to move outward by a certain distance, so as to leave a molding space, and the blanking rubber sleeve is sleeved on the blow needle 2, then the two half-molds 1 are closed, after the closing is completed, the blow needle 2 blows air into the half-mold cavity 11, the oil tank bottle body 31 is formed in the first cavity 111, and the oil tank bottle mouth 32 is formed in the first cavity 112, at the same time, the two extrusion driving parts 12 respectively drive the sliding blocks 113 to extrude the connection part of the first cavity 111 and the first cavity 112, and the oil tank bottle mouth 32 is extruded once to form the flange 33 with uniform thickness, and the mold closing knife edge moves with the sliding block 113 to cut the flange 33, so that the flange 33 forms the required shape, and the production is convenient.

[0027] The extrusion driving part 12 includes a oil cylinder 121, the cylinder body of the oil cylinder 121 is installed on the half-mold 1 through the mounting plate 13, and the piston rod of the oil cylinder 121 is fixedly connected with the sliding block 113. The oil cylinder 121 has simple structure and can realize stable reciprocating motion, and the output force of the oil cylinder 121 is large, so that the oil tank bottle mouth 32 can be extruded with large force, so as to facilitate the formation of the flange 33.

[0028] The side of the sliding block 113 away from the first cavity 111 is provided with a T-shaped groove 114, the end of the piston rod of the oil cylinder 121 is fixedly connected with a connecting piece 14, and the connecting piece 14 is clamped in the T-shaped groove 114. The piston rod of the oil cylinder 121 drives the connecting piece 14 to reciprocate, and the connecting piece 14 clamped in the T-shaped groove 114 further drives the sliding block 113 to reciprocate.

[0029] In the embodiment, the connecting piece 14 includes a first connecting part 141, a second connecting part 142 and a third connecting part 143, the first connecting part 141 is fixed on the piston rod of the oil cylinder 121, the second connecting part 142 is connected between the first connecting part 141 and the third connecting part 143, and the second connecting part 142 and the third connecting part 143 are connected in T shape and clamped in the T-shaped groove 114, so that the connecting piece 14 is clamped firmly with the T-shaped groove 114, and the piston rod of the oil cylinder 121 is prevented from being separated from the sliding block 113.

[0030] The first cavity 112 is communicated with the side wall of the half mold 1 away from the first cavity 111, and the mounting plate 13 covers the side of the first cavity 112 away from the first cavity 111, so as to form a channel for the reciprocating movement of the sliding block 113 in the first cavity 112; the cylinder body of the oil cylinder 121 is mounted on the side of the mounting plate 13 away from the first cavity 112, and the mounting plate 13 is provided with a through hole 131, and the piston rod of the oil cylinder 121 is arranged in the through hole 131, so as to facilitate the mounting of the cylinder body of the oil cylinder 121 and the connection of the piston rod of the oil cylinder 121 and the sliding block 113.

[0031] The bottom of the sliding block 113 is provided with a sliding groove 15, and the first cavity 112 is provided with a sliding rail 16 which is slidingly arranged in the sliding groove 15, and the length direction of the sliding rail 16 is the same as the extension direction of the piston rod of the oil cylinder 121. The cooperation of the sliding rail 16 and the sliding groove 15 can guide the movement of the sliding block 113, so as to ensure the stability of the reciprocating movement of the sliding block 113.

[0032] The two sliding blocks 113 are both provided with cavities 115, and the two cavities 115 are oppositely arranged. The cavities 115 can reduce the weight, so as to reduce the load during the movement of the oil cylinder 121 and the sliding block 113, and prolong the service life of the oil cylinder 121.

[0033] The two sliding blocks 113 are also provided with position avoiding cavities 116, and the two position avoiding cavities 116 are oppositely arranged and communicated with the two cavities 115. The position avoiding cavities 116 are arranged to give the blowing needle 2 a position, so as to facilitate the movement of the blowing needle 2 between the two half molds 1.

[0034] The output end of the blowing needle 2 is provided with a chamfer, which facilitates the extension of the blowing needle 2 into the mold cavity formed by the combination of the two half mold cavities 11, so as to facilitate the subsequent blowing of the blowing needle 2 into the mold cavity.

[0035] The utility model discloses preferred embodiment still provides a kind of oil tank bottle mouth flanging forming device, including air blower, two mould driving parts and the oil tank bottle mouth flanging forming mould of above-mentioned embodiment, air blower is connected with blow pin 2 and is used to blow air by blow pin 2, two mould driving parts are used to drive two half moulds 1 to be mutually close or far away from each other telecontrol respectively.Before blanking moulding, two extrusion driving parts 12 respectively drive two sliders 113 to move a certain distance outward, to let out forming space, and the blanking rubber sleeve is sleeved on blow pin 2, subsequently two mould driving parts drive two half moulds 1 to be moulded, air blower blows air into half mould cavity 11 by blow pin 2 after moulding is completed, forms oil tank bottle body 31 in first cavity 111, forms oil tank bottle mouth 32 in first cavity 112, while two extrusion driving parts 12 respectively drive slider 113 to extrude the junction of first cavity 111 and first cavity 112, and the flanging 33 of uniform thickness is formed on oil tank bottle mouth 32 once extrusion, production is convenient.Extrusion is completed, air blower drives blow pin 2 to move outward, while oil cylinder 121 drives slider 113 to move downward and demould, finally two mould driving parts drive two half moulds 1 to open mould and take product.

[0036] The above is a specific description of the preferred embodiment of the utility model, but the utility model creation is not limited to the described embodiment, those skilled in the art can also make various equivalent modifications or replacements without departing from the spirit of the utility model, these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. An oil tank neck flange forming die characterized by: The oil tank bottle mouth flanging forming die comprises a blowing needle and two half-molds, the two half-molds are provided with half-mold cavities, the two half-mold cavities are oppositely arranged, and the blowing needle is located between the two half-mold cavities.

2. The oil tank neck flange forming die according to claim 1, characterized by: The extrusion driving member comprises an oil cylinder, a cylinder body of the oil cylinder is mounted on the half-mold through a mounting plate, and a piston rod of the oil cylinder is fixedly connected with the sliding block.

3. The oil tank neck flange forming die according to claim 2, characterized by: A T-shaped groove is arranged on a side of the sliding block away from the first cavity, an end of the piston rod of the oil cylinder is fixedly connected with a connecting piece, and the connecting piece is clamped in the T-shaped groove.

4. The oil tank neck flange forming die according to claim 2, characterized by: A side of the second cavity away from the first cavity is communicated with a side wall of the half-mold, the mounting plate covers the side of the second cavity away from the first cavity, the cylinder body of the oil cylinder is mounted on a side of the mounting plate away from the second cavity, the mounting plate is provided with a through hole, and the piston rod of the oil cylinder is arranged in the through hole.

5. The oil tank neck flange forming die according to claim 2, characterized by: A slide groove is arranged on a bottom of the sliding block, a slide rail is arranged on a bottom of the second cavity, the slide rail is slidingly arranged in the slide groove, and a length direction of the slide rail is the same as an extension direction of the piston rod of the oil cylinder.

6. The oil tank neck flange forming die according to claim 1, characterized by: A mold sealing knife is mounted on the sliding block, and the mold sealing knife is used for cutting waste materials of the oil tank bottle mouth.

7. The oil tank neck flange forming die according to claim 1, characterized by: The two sliding blocks are provided with cavities, and the two cavities are oppositely arranged.

8. The oil tank neck flange forming die according to claim 7, characterized by: The two sliding blocks are further provided with avoiding cavities, the two avoiding cavities are oppositely arranged, and the two avoiding cavities are respectively communicated with the two cavities.

9. The oil tank neck flange forming die according to claim 1, characterized by: An output end of the blowing needle is provided with a chamfer.

10. An oil tank neck flange forming apparatus characterized by comprising: The oil tank bottle mouth flanging forming die comprises a blowing needle and two half-molds, the two half-molds are provided with half-mold cavities, the two half-mold cavities are oppositely arranged, and the blowing needle is located between the two half-mold cavities.

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