CN217454890U

CN217454890U - Blow molding cutting device for PE (polyethylene) bottle

Info

Publication number: CN217454890U
Application number: CN202221375566.9U
Authority: CN
Inventors: 张莉; 贾小英; 宣渭恒; 于坤
Original assignee: Suzhou Haotuo Plastic Packaging Co ltd
Current assignee: Suzhou Haotuo Plastic Packaging Co ltd
Priority date: 2022-06-04
Filing date: 2022-06-04
Publication date: 2022-09-20
Anticipated expiration: 2032-06-04

Abstract

The utility model discloses a blowing cutting device of PE bottle, including blow mold, cutting device, mould upper cover, mouth of pipe subassembly, admission line, the blow mold top is located to the mould upper cover, and through connecting block and blow mold fixed connection, cutting device locates between blow mold and the mould upper cover, and with mould upper cover fixed connection, the admission line is located the blow mold top, and its one end is located the mould upper cover, the admission line passes through mouth of pipe subassembly and mould upper cover fixed connection. The utility model discloses simple structure, reasonable in design can effectively cut off the separation to the bottle after the blowing is accomplished, degree of automation is high to it is stable firm with the admission line connection, the disconnect-type design has improved the convenience of dismantling the maintenance greatly, also makes the material can not flow from the gap simultaneously, has guaranteed blow mold's leakproofness and the quality of product, and the cutter has utilized the waste heat of raw materials, has improved effect and production efficiency cut off, has reduced energy consumption.

Description

Blow molding cutting device for PE (polyethylene) bottle

Technical Field

The utility model belongs to the technical field of the blowing, in particular to blowing cutting device of PE bottle.

Background

A quickly developed plastic blow moulding method includes such steps as extruding out or injection moulding to obtain tubular plastic parison, opening the parison while it is hot or heated to soften, closing the parison, introducing compressed air to the parison to blow it to close the parison, cooling and demoulding. After the blow molding operation is completed, due to differences in processes and products, an operator often needs to perform excess material cutting operation on the blow molded product, for example, a cutting device provided in patent No. cn202120815951.x heats a cutter during the excess material cutting process, but the cutter is located outside a mold, the cutter is heated in air with relatively low temperature, the preheating time of the cutter is prolonged, the cutting efficiency cannot be guaranteed, and the energy utilization rate is relatively low.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome not enough above, the utility model aims at providing a blow molding cutting device of PE bottle, its the utility model discloses simple structure, reasonable in design, degree of automation is high, and is stable firm, has improved the convenience of dismantling the maintenance, has guaranteed blow mold's leakproofness and the quality of product, has improved effect and production efficiency of cutting off, has reduced energy consumption.

The technical scheme is as follows: in order to realize the above object, the utility model provides a blowing cutting device of PE bottle, including blow mold, cutting device, mould upper cover, mouth of pipe subassembly, admission line, the blow mold top is located to the mould upper cover, and through connecting block and blow mold fixed connection, cutting device locates between blow mold and the mould upper cover, and with mould upper cover fixed connection, the blow mold top is located to the admission line, and its one end is located the mould upper cover, the admission line passes through mouth of pipe subassembly and mould upper cover fixed connection. The utility model discloses simple structure, reasonable in design can effectively cut off the separation to the bottle after the blowing is accomplished, degree of automation is high to it is stable firm with the admission line connection, the disconnect-type design has improved the convenience of dismantling the maintenance greatly, also makes the material can not flow from the gap simultaneously, has guaranteed blow mold's leakproofness and the quality of product, and the cutter has utilized the waste heat of raw materials, has improved effect and production efficiency cut off, has reduced energy consumption.

Further, cutting device includes cylinder, piston rod, cutter, the cylinder is located connecting block one side, and with mould upper cover and connecting block fixed connection, the cylinder output is located to the piston rod, and is located between blow mold and the mould upper cover, the cutter is located the piston rod and is kept away from cylinder one end, and with piston rod fixed connection. The design of the cutting device can quickly cut off the blow-molded product, the cutting speed is high, and the cutting work efficiency and the quality of the cut product are improved.

Furthermore, the upper cover of the mold comprises an upper cover body, a pipe hole and a groove, the pipe hole is formed in the middle of the upper cover body, the groove is formed in the pipe hole and located at the bottom of the pipe hole, and the upper cover body is fixedly connected with the blow mold through the connecting blocks on the periphery of the upper cover body. The design of the upper cover of the mold enables the pipe orifice assembly and the blow molding mold to be more stable, the sealing performance of the pipe orifice assembly is guaranteed, and the blow molding effect and the product quality are improved.

Further, the pipe orifice assembly comprises a pipe orifice outer sleeve, a pipe orifice inner sleeve, a group of push-pull air cylinders, a group of push-pull piston rods, a connecting ring and a fixed seat, the pipe orifice outer sleeve is arranged at one end of the air inlet pipeline, and is fixedly connected with the air inlet pipeline, the lower end of the pipe orifice outer sleeve is positioned in the pipe orifice and extends to the upper part of the groove, the pipe orifice is sleeved between the pipe orifice outer sleeve and the air inlet pipeline, the lower end of the pipe orifice inner sleeve extends to the upper side of the blow molding die, the pipe orifice outer sleeve is movably connected with the air inlet pipeline, the fixed seat is arranged on the outer side of the pipe orifice outer sleeve, and connecting the pipe orifice casing and the upper cover body, the push-pull air cylinder is oppositely arranged at the outer side of the pipe orifice casing, the lower end of the push-pull air cylinder is fixedly connected with the fixed seat, the push-pull piston rod is arranged at the output end of the push-pull air cylinder, and one end of the connecting ring extends into the groove, and the connecting ring is arranged in the groove and connected with the push-pull piston rod and the pipe orifice inner sleeve. The design of the pipe orifice assembly enables the cutter to cut off the product more flexibly, meanwhile, the sealing performance between the cutter and the blow molding mold is also guaranteed, and the cutting-off efficiency is greatly improved.

Further, an inner cavity is arranged in the pipe orifice outer sleeve and is positioned at the top of the pipe orifice inner sleeve. The design of the inner cavity ensures that the inner sleeve of the pipe orifice has enough space for movement, so that the cutting-off work can be smoothly carried out.

Furthermore, the upper part of the pipe orifice outer sleeve is provided with an air hole which is positioned on one side of the inner cavity. The pressure intensity is too high due to the movement of the inner sleeve of the pipe orifice in the air hole placing inner cavity, and the integral safety is improved.

Further, the cutter includes tool bit and blade, tool bit and blade integrated into one piece, the one end that the piston rod was kept away from to the blade is located to the tool bit, just the tool bit is the slope type of ridge shape. The design of the cutter improves the cutting effect and the working efficiency.

Furthermore, the knife back of the knife is close to the upper cover of the mould, and the bottom of the knife back is attached to the upper surface of the blow mould. The fitting design greatly reduces the burrs of the cut product.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:

1. the utility model provides a pair of blow molding cutting device of PE bottle, the utility model discloses simple structure, reasonable in design can effectively cut off the separation to the bottle after the blowing is accomplished, degree of automation is high to it is firm with the admission line is connected stably, the disconnect-type design has improved the convenience of dismantling the maintenance greatly, also make the material simultaneously can not flow from the gap, guaranteed blow mold's leakproofness and the quality of product, the cutter has utilized the waste heat of raw materials, improved and cut off effect and production efficiency, energy resource consumption has been reduced.

2. The utility model provides a pair of blow molding cutting device of PE bottle, cutting device's design can carry out quick cutting off work to the product after the blow molding, and it is fast to cut off, has improved the work efficiency who cuts off and has cut off the quality of back product.

3. The utility model provides a pair of blow molding cutting device of PE bottle, the design of mould upper cover makes between mouth of pipe subassembly and the blow molding mould more stable, has guaranteed the leakproofness of mouth of pipe subassembly, has improved the effect and the product quality of blowing.

4. The utility model provides a pair of blow molding cutting device of PE bottle, the design of mouth of pipe subassembly makes the cutter more nimble to cutting off of product, has also guaranteed simultaneously and the blow mold between the leakproofness, has improved the efficiency of cutting off work greatly.

5. The utility model provides a pair of blow molding cutting device of PE bottle, the design of inner chamber makes the motion of mouth of pipe endotheca have enough space, makes the work of cutting off go on smoothly. The pressure intensity is too high due to the movement of the inner sleeve of the pipe orifice in the air hole placing inner cavity, and the integral safety is improved.

6. The utility model provides a pair of blow molding cutting device of PE bottle, the design of cutter has improved the efficiency to the effect and the work of cutting off. The fitting design greatly reduces the burrs of the cut product.

Drawings

Fig. 1 is a schematic structural view of a blow molding and cutting device for PE bottles according to the present invention;

fig. 2 is a schematic partial structural view of the blow molding and cutting device for PE bottles according to the present invention;

fig. 3 is a schematic cutting view of the blow molding and cutting device for PE bottles according to the present invention;

FIG. 4 is a schematic view of a cutter of the blow-molding cutting device for PE bottles of the present invention;

in the figure: the blow molding die comprises a blow molding die 1, a cutting device 2, a die upper cover 3, a nozzle assembly 4, an air inlet pipeline 5, a connecting block 10, an air cylinder 20, a piston rod 21, a cutter 22, an upper cover body 30, a pipe hole 31, a groove 32, a nozzle outer sleeve 40, a nozzle inner sleeve 41, a push-pull air cylinder 42, a push-pull piston rod 43, a connecting ring 44, a fixed seat 45, a cutter head 220, a cutter body 221, an inner cavity 400 and an air hole 401.

Detailed Description

The invention will be further elucidated with reference to the drawings and the specific embodiments.

Examples

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

As shown in fig. 1, the blow molding cutting device for PE bottles in this embodiment includes a blow mold 1, a cutting device 2, a mold upper cover 3, a nozzle assembly 4, and an air inlet pipe 5, where the mold upper cover 3 is disposed above the blow mold 1 and is fixedly connected to the blow mold 1 through a connecting block 10, the cutting device 2 is disposed between the blow mold 1 and the mold upper cover 3 and is fixedly connected to the mold upper cover 3, the air inlet pipe 5 is disposed above the blow mold 1, and one end of the air inlet pipe is located in the mold upper cover 3, and the air inlet pipe 5 is fixedly connected to the mold upper cover 3 through the nozzle assembly 4.

As shown in fig. 2 and 3, in this embodiment, the cutting device 2 includes a cylinder 20, a piston rod 21, and a cutter 22, the cylinder 20 is disposed on one side of the connecting block 10 and is fixedly connected to the mold upper cover 3 and the connecting block 10, the piston rod 21 is disposed at an output end of the cylinder 20 and is located between the blow mold 1 and the mold upper cover 3, and the cutter 22 is disposed at one end of the piston rod 21 away from the cylinder 20 and is fixedly connected to the piston rod 21.

In this embodiment, the mold upper cover 3 includes an upper cover body 30, a pipe hole 31 and a groove 32, the pipe hole 31 is disposed in the middle of the upper cover body 30, the groove 32 is disposed in the pipe hole 31 and located at the bottom of the pipe hole 31, and the upper cover body 30 is fixedly connected to the blow mold 1 through the connection blocks 10 around the upper cover body.

In this embodiment, the nozzle assembly 4 includes a nozzle outer sleeve 40, a nozzle inner sleeve 41, a set of push-pull air cylinders 42, a set of push-pull piston rods 43, a connecting ring 44, and a fixing seat 45, the nozzle outer sleeve 40 is disposed at one end of the air inlet pipe 5 and fixedly connected to the air inlet pipe 5, the lower end of the nozzle outer sleeve 40 is located in the pipe hole 31 and extends above the groove 32, the nozzle inner sleeve 41 is disposed between the nozzle outer sleeve 40 and the air inlet pipe 5, and the lower end of the nozzle inner sleeve extends to the upper side of the blow mold 1, the nozzle inner sleeve 41 is movably connected to the nozzle outer sleeve 40 and the air inlet pipe 5, the fixing seat 45 is disposed at the outer side of the nozzle outer sleeve 40 and connects the nozzle outer sleeve 40 and the upper cover body 30, the push-pull air cylinders 42 are disposed at the outer side of the nozzle outer sleeve 40 and fixedly connected to the fixing seat 45, the push-pull piston rods 43 are disposed at the output end of the push-pull air cylinders 42, and one end of each of the corresponding one of the corresponding nozzle outer sleeve 32, the connecting ring 44 is disposed in the groove 32 and connects the push-pull piston rod 43 and the nozzle inner sleeve 41.

Example 2

Based on the above structure, on the basis of embodiment 1, in this embodiment, an inner cavity 400 is disposed in the nozzle outer sleeve 40, and the inner cavity 400 is located at the top of the nozzle inner sleeve 41.

In this embodiment, the upper portion of the nozzle housing 40 is provided with an air hole 401, and the air hole 401 is located at one side of the inner cavity 400.

As shown in fig. 4, in this embodiment, the cutter 22 includes a cutter head 220 and a cutter body 221, the cutter head 220 and the cutter body 221 are integrally formed, the cutter head 220 is disposed at an end of the cutter body 221 away from the piston rod 21, and the cutter head 220 is of a ridge slope type.

In this embodiment, the knife back of the knife 22 is close to the mold upper cover 3, and the bottom of the knife is attached to the upper surface of the blow mold 1.

When the utility model is used, the cutting device 2 and the pipe orifice component 4 are firstly installed on the upper cover 3 of the mould, during installation, a preheating device can be installed on one side of the cutter 22 according to the process requirements to preheat the cutter, then the blank is placed in the appointed position of the mould, after mould assembly, the upper cover 3 of the mould is installed on the blow mould 1 to start working, at the moment, the interior of the push-pull air cylinder 42 is in positive pressure, the push-pull piston rod 43 drives the connecting ring 44 to always press the pipe orifice inner sleeve 41 on the mould orifice of the blow mould 1, compressed air enters the blank from the air inlet pipeline during blow moulding to expand the blank to the size of the inner cavity of the mould, after cooling, the cutting work can be started, at the moment, the push-pull air cylinder 42 pumps negative pressure, and the push-pull piston rod 43 is contracted to pull the connecting ring 44 to move upwards, the connecting ring 44 drives the inner pipe orifice sleeve 41 to also move upwards, the inner sleeve 41 stops when moving to one side of the air hole 401, at the moment, the pressure of the push-pull piston rod 42 is kept inconvenient, meanwhile, the air cylinder 20 is inflated to eject the piston rod 21, the cutter is driven to cut off the product, negative pressure is applied to the interior of the air cylinder 20 after the product is completely cut off, the piston rod 21 contracts to drive the cutter to return to the original position, then the push-pull air cylinder 42 is inflated to positive pressure again, the push-pull piston rod 43 drives the connecting ring 44 to press the pipe orifice inner sleeve 44 on the mold orifice of the blow molding mold 1 again, and the operation of reciprocating can be carried out quickly.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. A blow molding cutting device of PE bottle is characterized in that: including blow mold (1), cutting device (2), mould upper cover (3), mouth of pipe subassembly (4), admission line (5), blow mold (1) top is located in mould upper cover (3), and through connecting block (10) and blow mold (1) fixed connection, cutting device (2) are located between blow mold (1) and mould upper cover (3), and with mould upper cover (3) fixed connection, blow mold (1) top is located in admission line (5), and its one end is located mould upper cover (3), admission line (5) are through mouth of pipe subassembly (4) and mould upper cover (3) fixed connection.

2. A blow molding and cutting apparatus for PE bottles according to claim 1, characterized in that: cutting device (2) include cylinder (20), piston rod (21), cutter (22), connecting block (10) one side is located in cylinder (20), and with mould upper cover (3) and connecting block (10) fixed connection, cylinder (20) output is located in piston rod (21), and is located between blow mold (1) and mould upper cover (3), cutter (22) are located piston rod (21) and are kept away from cylinder (20) one end, and with piston rod (21) fixed connection.

3. A blow molding and cutting apparatus for PE bottles according to claim 1, characterized in that: the die upper cover (3) comprises an upper cover body (30), a tube hole (31) and a groove (32), the tube hole (31) is formed in the middle of the upper cover body (30), the groove (32) is formed in the tube hole (31) and located at the bottom of the tube hole (31), and the upper cover body (30) is fixedly connected with the blow-molding die (1) through connecting blocks (10) on the periphery of the upper cover body.

4. A blow molding and cutting apparatus for PE bottles according to claim 3, characterized in that: the pipe orifice assembly (4) comprises a pipe orifice outer sleeve (40), a pipe orifice inner sleeve (41), a group of push-pull air cylinders (42), a group of push-pull piston rods (43), a connecting ring (44) and a fixing seat (45), wherein the pipe orifice outer sleeve (40) is arranged at one end of the air inlet pipeline (5) and fixedly connected with the air inlet pipeline (5), the lower end of the pipe orifice outer sleeve (40) is positioned in the pipe orifice (31) and extends to the upper side of the groove (32), the pipe orifice inner sleeve (41) is arranged between the pipe orifice outer sleeve (40) and the air inlet pipeline (5), the lower end of the pipe orifice inner sleeve extends to the upper side of the blow molding die (1), the pipe orifice inner sleeve (41) is movably connected with the pipe orifice outer sleeve (40) and the air inlet pipeline (5), the fixing seat (45) is arranged on the outer side of the pipe orifice outer sleeve (40) and is connected with the pipe orifice outer sleeve (40) and the upper cover body (30), and the push-pull air cylinders (42) are arranged on the outer side of the pipe orifice outer sleeve (40) relatively, and the lower end of the push-pull piston rod is fixedly connected with the fixed seat (45), the push-pull piston rod (43) is arranged at the output end of the push-pull air cylinder (42), one end of the push-pull piston rod extends into the groove (32), and the connecting ring (44) is arranged in the groove (32) and is connected with the push-pull piston rod (43) and the pipe orifice inner sleeve (41).

5. A blow molding and cutting apparatus for PE bottles according to claim 4, wherein: an inner cavity (400) is arranged in the pipe orifice outer sleeve (40), and the inner cavity (400) is located at the top of the pipe orifice inner sleeve (41).

6. A blow molding and cutting apparatus for PE bottles according to claim 5, wherein: and the upper part of the pipe orifice outer sleeve (40) is provided with an air hole (401), and the air hole (401) is positioned on one side of the inner cavity (400).

7. A blow molding and cutting apparatus for PE bottles according to claim 2, characterized in that: the cutting tool (22) comprises a tool bit (220) and a tool body (221), the tool bit (220) and the tool body (221) are integrally formed, the tool bit (220) is arranged at one end, far away from the piston rod (21), of the tool body (221), and the tool bit (220) is of a ridge slope type.

8. A blow molding and cutting apparatus for PE bottles according to claim 2, characterized in that: the knife back of the knife (22) is close to the upper cover (3) of the mould, and the bottom of the knife back is attached to the upper surface of the blow mould (1).