CN211196898U - Plastic packaging barrel with forming protection mechanism - Google Patents

Abstract

The utility model relates to a take shaping protection machanism's plastic packaging bucket belongs to plastic packaging container technical field. The plastic packaging barrel comprises a barrel body, a top cover and a bottom cover; be provided with injection opening and gas vent on the top cap, be provided with the filler cap on the injection opening, install the shaping protection dish through the external screw thread on injection opening and the gas vent. This plastic packaging bucket adopts the blowing technology preparation, the design in-process is accomplished in the blowing, through the filler cap, exhaust port lid and shaping protection dish, can prevent effectively that injection mouth and gas vent from taking place deformation, and the problem of injection mouth and gas vent subsides, through the annular flange that sets up on shaping protection dish and the shaping protection dish, can form the protection to the technology recess, in order to avoid current technology recess not only easily to hide dirty dirt, and because the less easy damaged problem under the exogenic action of thickness, positive meaning has to the whole quality that improves the plastic packaging barrel.

Description

Plastic packaging barrel with forming protection mechanism

Technical Field

The utility model relates to a take shaping protection machanism's plastic packaging bucket belongs to plastic packaging container technical field.

Background

The plastic packaging barrel is mainly used for packaging and transporting dangerous goods which need heat preservation, moisture protection, pressure resistance and corrosion resistance, has good characteristics for special dangerous goods, has the characteristics of low probability of breakage, no rustiness, light weight and the like, has the characteristics of excellent oil resistance and strong corrosion resistance, and is widely used for containing liquid, solid and other articles in the industries such as chemical industry, pesticides, medicines, foods, hardware and electronics and the like. Present plastic packaging barrel is for adopting the blow molding technology preparation mostly, after the blow molding is accomplished, because the material of preparation pail pack still is in high temperature state (soft), the injection opening and the gas vent that very easily leads to the pail pack take place anomalous deformation, and then make unable screw thread of injection flap and exhaust port lid install on injection opening and gas vent, for solving this problem, usually be at pail pack preparation completion back, the staff at first will design lid screw thread and install on injection opening and gas vent, then make injection opening and gas vent design through the natural cooling of pail pack, after injection opening and gas vent design are accomplished, the rethread manual work takes off it one by one and changes in with supporting injection flap and the exhaust port lid of pail pack, cause staff's the amount of labour big.

Meanwhile, in the process of shaping the injection opening and the exhaust opening, because the material for manufacturing the packaging barrel is still in a high-temperature soft state, the opening walls of the injection opening and the exhaust opening are thick and have certain weight, and meanwhile, the shaping cover is added with the weight, so that the tops of the injection opening and the exhaust opening are easily sunken in the cooling process to be lower than the top cover surface, and the molding quality of the injection opening and the exhaust opening is influenced. For the sunken problem of preventing injection opening and gas vent design in-process, the staff will design the lid through the support frame of F type and clip, then both ends end is held in injection opening and gas vent outlying top cap part around through the support frame, thereby exert an ascending pulling force to the design lid, prevent the sunken problem of injection opening and gas vent from this, the fine solution of this mode problem of injection opening and gas vent sunken, nevertheless because the support frame is mostly the metal material, relative weight is great, often at top cap part extrusion pit, influence the outward appearance shaping quality of pail pack. On the other hand, due to the injection molding process; after the packaging barrel is manufactured, an annular process groove is formed on the top cover on the periphery of the filling opening and the exhaust opening, dirt and dirt are easily stored in the process groove, and the process groove is easy to damage under the action of external force due to small thickness, so that improvement is needed.

Disclosure of Invention

The utility model aims to provide a: the plastic packaging barrel with the forming protection mechanism is simple in structure, irregular deformation of the filling opening and the exhaust opening can be effectively avoided, dirt and scale can be prevented from being easily hidden in grooves on the periphery of the existing filling opening and the exhaust opening, and the problem of damage is easily caused under the action of external force.

The technical scheme of the utility model is that:

a plastic packaging barrel with a molding protection mechanism comprises a barrel body, a top cover and a bottom cover; the barrel body is drum-shaped, and a plurality of convex ribs are arranged on the barrel body at intervals; the top cover is provided with an injection port and an exhaust port, the injection port is provided with an injection port cover, and the exhaust port is provided with an exhaust port cover; the edges of the top cover and the bottom cover are respectively provided with an inner concave rib; the method is characterized in that: the injection opening and the exhaust opening are in a convex shape, internal threads are arranged on the circumferences of the inner surfaces of the injection opening and the exhaust opening, external threads are arranged on the circumferences of the outer surfaces of the injection opening and the exhaust opening, the injection opening and the exhaust opening are provided with molding protection discs through the external threads, and the injection opening cover and the exhaust opening cover are arranged on the injection opening and the exhaust opening through the internal threads; the injection port cover and the exhaust port cover are respectively T-shaped bodies; the injection port cover and the exhaust port cover are respectively composed of a stopper and a top cap, the top cap is fixedly arranged at the top of the stopper, and an opening and closing mechanism is arranged on the upper surface of the top cap.

The opening and closing mechanism is an opening and closing groove; the opening and closing groove is a cross-shaped groove or a long strip-shaped groove, and a round positioning groove is arranged in the middle of the long strip-shaped groove.

The periphery of the lower surface of the top cap at the periphery of the plug is provided with an assembly groove, and a sealing ring with an oval section is arranged in the assembly groove.

The molding protective disc is in a circular ring shape. The circumference of the inner wall of the central hole of the forming protection disc is provided with an internal thread, and the forming protection disc is arranged on the injection opening and the exhaust opening through the internal thread and the external thread matched with the thread on the injection opening and the exhaust opening.

And an annular flange is arranged on the lower surface of the formed protection disc at the periphery of the central hole of the protection disc. The section of the annular flange is triangular. The upper surface of the formed protection disc at the periphery of the central hole of the protection disc is symmetrically provided with bulges.

A plastic packaging barrel with a protection forming protection mechanism comprises a barrel body, a top cover and a bottom cover; the barrel body is drum-shaped, and a plurality of convex ribs are arranged on the barrel body at intervals; the top cover is provided with an injection port and an exhaust port, the injection port is provided with an injection port cover, and the exhaust port is provided with an exhaust port cover; the edges of the top cover and the bottom cover are respectively provided with an inner concave rib; the method is characterized in that: the injection port and the exhaust port are in a convex shape, internal threads are arranged on the circumferences of the inner surfaces of the injection port and the exhaust port, and an injection port cover and an exhaust port cover are arranged on the injection port and the exhaust port through the internal threads; the injection port cover and the exhaust port cover are respectively T-shaped bodies; the injection port cover and the exhaust port cover are respectively composed of a stopper and a top cap, the top cap is fixedly arranged at the top of the stopper, an opening and closing mechanism is arranged on the upper surface of the top cap, and a molding protective disc is arranged on the stopper.

The opening and closing mechanism is an opening and closing groove; the opening and closing groove is a cross-shaped groove or a strip-shaped groove, and a circular positioning groove is arranged in the middle of the opening and closing groove.

The molding protective disc is in a circular ring shape. The circumference of the inner wall of the central hole of the forming protection disc is provided with internal threads, and the forming protection disc is arranged on the stopper through the matching threads of the internal threads and the external threads on the stopper.

The periphery of the centre bore of shaping protective disc lower surface be provided with the guard ring, be provided with down the assembly annular on the shaping protective disc in the guard ring, be equipped with the lower sealing washer in the lower assembly annular, the shaping protective disc upper surface that the lower assembly annular corresponds is provided with the assembly annular, is equipped with the upper seal circle in the assembly annular on.

And an annular flange is arranged on the formed protection disc at the periphery of the protection ring. The section of the annular flange is triangular.

The beneficial effects of the utility model reside in that:

this plastic packaging bucket adopts the blow molding technology preparation, the design in-process is accomplished in the blow molding, through the filler cap, exhaust port lid and shaping protection dish, can prevent effectively that injection mouth and gas vent from taking place the deformation, and the problem of injection mouth and gas vent subsides, and through the annular flange that sets up on shaping protection dish and the shaping protection dish, can form the protection to the technology recess, not only easily hide dirty and dirty with avoiding current technology recess, and because the less damaged problem under the exogenic action of very easily of thickness, the problem of injection mouth and gas vent emergence deformation in the current plastic packaging bucket preparation process has been solved, and the technology recess is not only easily hidden dirty and dirty, and because the less damaged problem under the exogenic action of very easily of thickness, have positive meaning to the whole quality that improves the plastic packaging barrel.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the barrel body of the present invention;

FIG. 3 is a schematic cross-sectional view of the filler cap or the vent cap of the present invention;

FIG. 4 is a schematic view of the top view of the inlet cover or the exhaust cover with the opening/closing groove in a cross shape;

FIG. 5 is a schematic view of the top view of the opening/closing groove of the present invention showing the shape of a long-strip-shaped filler cap or vent cap;

fig. 6 is a schematic perspective view of a molded protection plate according to embodiment 1 of the present invention;

fig. 7 is a schematic cross-sectional structure view of a molded protection disk according to embodiment 1 of the present invention;

fig. 8 is a schematic cross-sectional structure view of a barrel body according to embodiment 2 of the present invention;

fig. 9 is a schematic perspective view of a molded protection plate according to embodiment 2 of the present invention;

fig. 10 is a schematic cross-sectional structure view of a molded protection disk according to embodiment 2 of the present invention;

fig. 11 is an installation schematic diagram of the molding protection disk of embodiment 2 of the present invention on the injection port cover.

In the figure: 1. the device comprises a barrel body, 2, a top cover, 3, an outer convex rib, 4, an injection port, 5, an exhaust port, 6, an injection port cover, 7, an exhaust port cover, 8, an inner concave rib, 9, a block, 10, a top cap, 11, a sealing ring, 12, a cross-shaped groove, 13, a strip-shaped groove, 14, an opening and closing groove, 15 and a positioning groove; 16. the method comprises the following steps of forming a protective disc 17, an annular flange 18, a protrusion 19, a process groove 20, a protective ring 21, a lower sealing ring 22 and an upper sealing ring.

Detailed Description

Example 1

The plastic packaging barrel with the forming protection mechanism comprises a barrel body 1, a top cover 2 and a bottom cover; the barrel body 1 is drum-shaped, and a plurality of convex ribs 3 are arranged on the barrel body 1 at intervals; to reinforce the overall strength of the tub body 1; the top cover 2 is provided with an injection port 4 and an exhaust port 5, the injection port 4 and the exhaust port 5 are in a convex shape on the top cover 2, the inner surface circumferences of the injection port 4 and the exhaust port 5 are provided with internal threads, the outer surface circumferences of the injection port 4 and the exhaust port 5 are provided with external threads, the injection port 4 is provided with an injection port cover 6, and the exhaust port 5 is provided with an exhaust port cover 7; the injection port cover 6 and the exhaust port cover 7 are respectively T-shaped bodies made of plastic materials, the injection port cover 6 and the exhaust port cover 7 are respectively composed of a plug 9 and a top cap 10, the top cap 10 is fixedly installed at the top of the plug 9, and external threads are arranged on the circumference of the plug 9; the injection port cover 6 and the exhaust port cover 7 are respectively matched with the internal threads of the injection port 4 and the exhaust port 5 through the external threads on the plug 9; correspondingly arranged on the injection port 4 and the exhaust port 5; the circumference of the lower surface of the top cap 10 at the periphery of the block 9 is provided with an assembly groove, a sealing ring 11 with an oval section is arranged in the assembly groove, and the sealing ring 11 is pressed to deform by screwing the injection port cover 6 and the exhaust port cover 7 on the injection port 4 and the exhaust port 5 during operation, so that the sealing between the injection port cover 6 and the exhaust port cover 7 and the sealing between the injection port 4 and the exhaust port 5 are realized.

The upper surface of the top cap 10 is provided with an opening and closing mechanism which is an opening and closing groove 14; the opening and closing groove 14 is a cross-shaped groove 12 or a strip-shaped groove 13, and a round positioning groove 15 is arranged in the middle of the opening and closing groove 14. The purpose of opening and closing the groove is to facilitate the positioning and fixing of the opening tool so as to facilitate the opening and closing of the injection port cover 6 and the exhaust port cover 7 on the injection port 4 and the exhaust port 5. When the device works, the injection port cover 6 and the exhaust port cover 7 can be screwed or opened on the injection port 4 and the exhaust port 5 conveniently through the opening tool with the cross-shaped or strip-shaped end head.

The edges of the top cover 2 and the bottom cover of the plastic packaging barrel are respectively provided with an inner concave rib 8; to enhance the molding strength of the top cover 2 and the bottom cover; the inlet 4 and the outlet 5 are provided with shaped protection discs 16. The molded protection disc 16 is in a ring shape with the middle part slightly arched; an internal thread is arranged on the circumference of the inner wall of the central hole of the forming protection disc 16, and the forming protection disc 16 is installed on the injection opening 4 and the exhaust opening 5 through the internal thread and the external thread matched with the thread on the injection opening 4 and the exhaust opening 5. After the installation, the upper surface of the molded protection plate 16 is flush with the top end surfaces of the injection port 4 and the exhaust port 5. The lower surface of the molding protection disc 16 at the periphery of the central hole of the molding protection disc 16 is provided with an annular flange 17 corresponding to the process groove 19, and the section of the annular flange 17 is triangular or trapezoidal. The upper surface of the molding protection disc 16 at the periphery of the central hole of the molding protection disc 16 is symmetrically provided with bulges 18. The spacing of the projections 18 is greater than the diameter of the overcap 10 to facilitate the mounting of the shaped shield disk 16 over the fill port 4 and vent port 5.

The plastic packaging barrel is manufactured by adopting a blow molding process, after the blow molding is finished, a molding protection disc 16 is firstly installed on the injection opening 4 and the exhaust opening 5, then the over-injection opening cover 6 and the exhaust opening cover 7 are correspondingly installed in the injection opening 4 and the exhaust opening 5, and an annular flange 17 of the molding protection disc 16 is positioned in a process groove 19 on the top cover 2. The top cover 2 outside the process groove 19 is used for supporting the edge of the forming protection disc 16, in the natural cooling and forming process, the problems that the injection port 4 and the exhaust port 5 are deformed and the injection port 4 and the exhaust port 5 sink down can be effectively solved through the injection port cover 6, the exhaust port cover 7 and the forming protection disc 16, the process groove 19 can be protected through the forming protection disc 16 and the annular flange 17 arranged on the forming protection disc 16, the problems that the existing process groove 19 is easy to store dirt and contain dirt and is easy to damage under the action of external force due to small thickness and the problem that liquid materials scattered when the liquid materials are filled are gathered in the process groove 19 are solved. The problem of present plastic packaging bucket manufacture in-process injection port 4 and gas vent 5 take place deformation, injection port 4 and gas vent 5 sink is solved to and technology recess 19 not only easily hides dirty dirt, and because the thickness is less easily damaged under the exogenic action problem, has positive meaning to the whole quality that improves the plastic packaging bucket.

Example 2

The plastic packaging barrel with the forming protection mechanism comprises a barrel body 1, a top cover 2 and a bottom cover; the barrel body 1 is drum-shaped, and a plurality of convex ribs 3 are arranged on the barrel body 1 at intervals; to reinforce the overall strength of the tub body 1; the top cover 2 is provided with an injection port 4 and an exhaust port 5, the injection port 4 and the exhaust port 5 are in a convex shape, internal threads are arranged on the inner surface circumferences of the injection port 4 and the exhaust port 5, an injection port cover 6 is arranged on the injection port 4, and an exhaust port cover 7 is arranged on the exhaust port 5; the injection port cover 6 and the exhaust port cover 7 are respectively T-shaped bodies made of plastic materials, the injection port cover 6 and the exhaust port cover 7 are respectively composed of a plug 9 and a top cap 10, the top of the plug 9 is fixedly provided with the top cap 10, the upper surface of the top cap 10 is provided with an opening and closing mechanism, and the opening and closing mechanism is an opening and closing groove 14; the opening and closing groove 14 is a cross-shaped groove 12 or a strip-shaped groove 13, and a round positioning groove 15 is arranged in the middle of the opening and closing groove 14. The purpose of opening and closing the groove is to facilitate the positioning and fixing of the opening tool so as to facilitate the opening and closing of the injection port cover 6 and the exhaust port cover 7 on the injection port 4 and the exhaust port 5. When the device works, the injection port cover 6 and the exhaust port cover 7 can be screwed or opened on the injection port 4 and the exhaust port 5 conveniently through the opening tool with the cross-shaped or strip-shaped end head.

The edges of the top cover 2 and the bottom cover of the plastic packaging barrel are respectively provided with an inner concave rib 8; to enhance the molding strength of the top cover 2 and the bottom cover; a shaped guard plate 16 is mounted adjacent the upper end of the plug 9 of the overcap 10. The molded protection disc 16 is in a ring shape with the middle part slightly arched; the circumference of the inner wall of the central hole of the forming protection disc 16 is provided with an internal thread, the forming protection disc 16 is arranged on the stopper 9 through the matching thread of the internal thread and the external thread on the stopper 9, and as an improvement, the forming protection disc 16 can also be arranged on the stopper 9 in a sliding way.

A protective ring 20 is arranged on the periphery of a central hole on the lower surface of the molding protective disc 16 and is used for improving the installation strength and the sealing performance of the injection port cover 6 and the exhaust port cover 7; during installation, the injection port 4 and the exhaust port 5 are positioned between the protective ring 20 and the stopper 9, a lower assembly ring groove is arranged on the forming protective disc 16 in the protective ring 20, a lower sealing ring 21 is arranged in the lower assembly ring groove, and the lower sealing ring 21 is used for sealing the port of the injection port 4. An upper assembly ring groove is arranged on the upper surface of the forming protection disc 16 corresponding to the lower assembly ring groove, and an upper sealing ring 22 is arranged in the upper assembly ring groove. The upper seal ring 22 is used for sealing with the top cap 10. During operation, the injection port cover 6 and the exhaust port cover 7 are screwed on the injection port 4 and the exhaust port 5 to press the sealing ring 11 to deform, so that the injection port cover 6 and the exhaust port cover 7 are sealed with the injection port 4 and the exhaust port 5. An annular flange 17 is arranged on the molding protection disc 16 at the periphery of the protection ring 20; the annular flange 17 is triangular or trapezoidal in cross-section.

The plastic packaging barrel is manufactured by adopting a blow molding process, after the blow molding is finished, a molding protection disc 16 is firstly installed on a block 9, then an injection port cover 6 and an exhaust port cover 7 are correspondingly installed in an injection port 4 and an exhaust port 5, wherein the injection port 4 and the exhaust port 5 are positioned between a protection ring 20 and the block 9, and an annular flange 17 of the molding protection disc 16 is positioned in a process groove 19 on a top cover 2. The top cover 2 outside the process groove 19 is used for supporting the edge of the forming protection disc 16, the deformation of the injection port 4 and the exhaust port 5 and the sinking of the injection port 4 and the exhaust port 5 can be effectively prevented through the injection port cover 6, the exhaust port cover 7 and the forming protection disc 16 in the natural cooling and forming process, the process groove 19 can be protected through the forming protection disc 16 and the annular flange 17 arranged on the forming protection disc 16, so that the problems that the existing process groove 19 is easy to store dirt and damage under the action of external force due to small thickness and the deformation of the injection port 4 and the exhaust port 5 and the sinking of the injection port 4 and the exhaust port 5 in the manufacturing process of the existing plastic packaging barrel are solved, and the problem that the process groove 19 is easy to store dirt and damage under the action of external force due to small thickness, has positive significance for improving the overall quality of the plastic packaging barrel.

Claims (10)

1. A plastic packaging barrel with a forming protection mechanism comprises a barrel body (1), a top cover (2) and a bottom cover; the barrel body (1) is drum-shaped, and a plurality of convex ribs (3) are arranged on the barrel body (1) at intervals; an injection port (4) and an exhaust port (5) are arranged on the top cover (2), an injection port cover (6) is arranged on the injection port (4), and an exhaust port cover (7) is arranged on the exhaust port (5); the edges of the top cover (2) and the bottom cover are respectively provided with an inner concave rib (8); the method is characterized in that: the injection port (4) and the exhaust port (5) are in a convex shape, internal threads are arranged on the circumferences of the inner surfaces of the injection port (4) and the exhaust port (5), external threads are arranged on the circumferences of the outer surfaces of the injection port (4) and the exhaust port (5), a molding protection disc (16) is arranged on the injection port (4) and the exhaust port (5) through the external threads, and an injection port cover (6) and an exhaust port cover (7) are arranged on the injection port (4) and the exhaust port (5) through the internal threads; the injection port cover (6) and the exhaust port cover (7) are T-shaped bodies respectively; the injection port cover (6) and the exhaust port cover (7) are respectively composed of a plug (9) and a top cap (10), the top cap (10) is fixedly installed at the top of the plug (9), and an opening and closing mechanism is arranged on the upper surface of the top cap (10).

2. The plastic packaging barrel with the molding protection mechanism as claimed in claim 1, wherein: the opening and closing mechanism is an opening and closing groove (14); the opening and closing groove (14) is a cross-shaped groove (12) or a long strip-shaped groove (13), and a circular positioning groove (15) is arranged in the middle of the opening and closing groove (14).

3. The plastic packaging barrel with the molding protection mechanism as claimed in claim 1, wherein: an assembly groove is formed in the circumference of the lower surface of the top cap (10) on the periphery of the plug (9), and a sealing ring (11) with an oval section is arranged in the assembly groove.

4. The plastic packaging barrel with the molding protection mechanism as claimed in claim 1, wherein: the molding protection disc (16) is annular; the inner wall circumference of the central hole of the molding protection disc (16) is provided with an internal thread, and the molding protection disc (16) is installed on the injection opening (4) and the exhaust opening (5) through the internal thread and the external thread matching threads on the injection opening (4) and the exhaust opening (5).

5. The plastic packaging barrel with the molding protection mechanism as claimed in claim 4, wherein: an annular flange (17) is arranged on the lower surface of the molding protection disc (16) at the periphery of the central hole of the molding protection disc (16), and the section of the annular flange (17) is triangular; the upper surface of the molding protection disc (16) at the periphery of the central hole of the molding protection disc (16) is symmetrically provided with bulges (18).

6. A plastic packaging barrel with a forming protection mechanism comprises a barrel body (1), a top cover (2) and a bottom cover; the barrel body (1) is drum-shaped, and a plurality of convex ribs (3) are arranged on the barrel body (1) at intervals; an injection port (4) and an exhaust port (5) are arranged on the top cover (2), an injection port cover (6) is arranged on the injection port (4), and an exhaust port cover (7) is arranged on the exhaust port (5); the edges of the top cover (2) and the bottom cover are respectively provided with an inner concave rib (8); the method is characterized in that: the injection port (4) and the exhaust port (5) are in a convex shape, internal threads are arranged on the circumferences of the inner surfaces of the injection port (4) and the exhaust port (5), and an injection port cover (6) and an exhaust port cover (7) are arranged on the injection port (4) and the exhaust port (5) through the internal threads; the injection port cover (6) and the exhaust port cover (7) are T-shaped bodies respectively; the injection port cover (6) and the exhaust port cover (7) are respectively composed of a stopper (9) and a top cap (10), the top of the stopper (9) is fixedly provided with the top cap (10), the upper surface of the top cap (10) is provided with an opening and closing mechanism, and a formed protective disc (16) is arranged on the stopper close to the top cap (10).

7. The plastic packaging barrel with the molding protection mechanism as claimed in claim 6, wherein: the opening and closing mechanism is an opening and closing groove (14); the opening and closing groove (14) is a cross-shaped groove (12) or a long strip-shaped groove (13), and a circular positioning groove (15) is arranged in the middle of the opening and closing groove (14).

8. The plastic packaging barrel with the molding protection mechanism as claimed in claim 6, wherein: the molding protection disc (16) is annular; the forming protection disc (16) is characterized in that internal threads are arranged on the circumference of the inner wall of a central hole of the forming protection disc (16), and the forming protection disc (16) is installed on the plug (9) through the internal threads and the external threads on the plug (9) in a matching mode.

9. The plastic packaging barrel with the molding protection mechanism as claimed in claim 8, wherein: the periphery of the center hole of shaping protective disc (16) lower surface be provided with guard ring (20), be provided with down the assembly annular on shaping protective disc (16) in guard ring (20), be equipped with lower sealing washer (21) in the lower assembly annular, shaping protective disc (16) upper surface that the lower assembly annular corresponds is provided with the assembly annular, is equipped with upper seal ring (22) in the assembly annular on.

10. The plastic packaging barrel with the molding protection mechanism as claimed in claim 9, wherein: an annular flange (17) is arranged on a molding protective disc (16) at the periphery of the protective ring (20); the section of the annular flange (17) is triangular.

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