CN212219235U

CN212219235U - Polyethylene honeycomb duct blow molding die

Info

Publication number: CN212219235U
Application number: CN202021384069.6U
Authority: CN
Inventors: 徐文成; 李荣清; 代伟; 赵波
Original assignee: Hubei Tianhai Petroleum Group Environmental Protection Technology Co ltd
Current assignee: Hubei Tianhai Petroleum Group Environmental Protection Technology Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2020-12-25
Anticipated expiration: 2030-07-15

Abstract

The utility model provides a polyethylene honeycomb duct blowing mould belongs to mould equipment technical field to in solving current polyethylene honeycomb duct blowing mould, the die fixing process is complicated, inconvenient maintenance and change, and the difficult adjustment of polyethylene honeycomb duct length of blowing moreover is difficult to satisfy the problem of production demand, comprising a base plate, the welding of bottom plate top front end has the fixed plate. The utility model discloses in because the threaded rod is all welded to two fixed columns, and two threaded rods are the mode distribution of symmetry, be equipped with the frame between the threaded rod, and frame and threaded rod sliding connection, both ends all are equipped with lock nut around the frame, and lock nut all rotates with threaded rod and frame to be connected, rotate lock nut, promote the baffle through the threaded rod and slide backward, make the space increase between anterior segment mould and the back end mould, thereby increase the quantity of middle section mould, can adjust the length of mould body, the polyethylene honeycomb duct that makes the blowing go out satisfies the production needs.

Description

Polyethylene honeycomb duct blow molding die

Technical Field

The utility model belongs to the technical field of mould equipment, more specifically say, in particular to polyethylene honeycomb duct blow mold.

Background

Blow molding, also known as blow molding, is a rapidly developing plastic processing method. The thermoplastic resin is extruded or injection molded to obtain tubular plastic parison, which is hot or heated to soften, and then placed in a split mold, after the mold is closed, compressed air is introduced into the parison to blow the plastic parison to cling to the inner wall of the mold, and after cooling and demolding, various hollow products are obtained. The blown film manufacturing process is in principle very similar to the blow molding of hollow articles, but it does not use a mold, and the blown film forming process is generally included in extrusion from the viewpoint of the classification of plastic processing techniques. The blow molding process began during world war ii for the production of low density polyethylene vials. In the late 50 s, the blow molding technology has been widely used with the advent of high density polyethylene and the development of blow molding machines. The volume of the hollow container can reach thousands of liters, and computer control is adopted in some production. Suitable plastics for blow molding are polyethylene, polyvinyl chloride, polypropylene, polyester, etc., and the resulting hollow containers are widely used as industrial packaging containers. Blow molding can be classified into extrusion blow molding and injection blow molding according to the parison making method, and newly developed are multilayer blow molding and stretch blow molding.

As in application No.: CN 201721087498.5's utility model provides an in provide a blow mold, this mould can solve some blow molding products and use general split die line structure, the unsatisfied operation requirement's of product shaping back split die line department wall thickness problem. The blow molding mold comprises an upper half mold and a lower half mold, wherein a shearing structure is outwards arranged at the mold closing part of the upper half mold and the lower half mold, and 1 flash groove is respectively added at two sides of the mold closing part. The utility model discloses a set up the flash tank and to the distance L of cutting the structure, unnecessary material embryo can be to the extrusion of mould cavity, will cause the material increase of product at the parting line to overcome the unsatisfactory operation requirement's of parting line department wall thickness problem. The utility model discloses the structure has the commonality, can solve some blow molding products and use general split mold line structure, and the unsatisfactory operation requirement's of product shaping back split mold line department wall thickness problem.

Based on the retrieval of above-mentioned patent to and combine the equipment discovery among the prior art, among the polyethylene honeycomb duct blow mold of current, the mould installation is complicated, inconvenient maintenance and change, and the polyethylene honeycomb duct length of blowing moreover is difficult for adjusting, is difficult to satisfy the production demand.

In view of the above, research and improvement are made to solve the existing structure and defects, and a blow mold for polyethylene draft tube is provided to achieve a more practical purpose.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a polyethylene honeycomb duct blow mold to in solving current polyethylene honeycomb duct blow mold, the die fixing process is complicated, inconvenient maintenance and change, and the difficult adjustment of polyethylene honeycomb duct length of blowing moreover is difficult to satisfy the problem of production demand.

The utility model relates to a purpose and efficiency of polyethylene honeycomb duct blowing mould are reached by following concrete technical means:

a blow molding die for a polyethylene guide pipe comprises a bottom plate, wherein a fixing plate is welded at the front end of the top of the bottom plate; the top of the bottom plate is provided with a die body, and the die body is arranged at the rear end of the fixing plate; the rear end of the top of the bottom plate is provided with a baffle plate, and the baffle plate is arranged at the rear end of the die body; a locking mechanism is arranged on the left side of the die body; a stretching mechanism is arranged on the right side of the die body; the mould body comprises a front section mould, a middle section mould and a rear section mould, the front section mould is fixedly connected with the bottom plate through screws, the rear section mould is fixedly connected with the baffle plate through screws, and the middle section mould is slidably connected with the front section mould and the rear section mould.

Further, the bottom plate includes the slide, the bottom plate is the cuboid structure, and the slide has been seted up to bottom plate top surface intermediate position to the slide is trapezoidal groove structure.

Further, the middle section mould still includes spout and U type arch, the spout has been seted up to middle section mould front end intermediate position, and the spout is U type groove structure, middle section mould rear end is equipped with the U type arch, and the U type is protruding to be the same with the spout bore.

Further, locking mechanism includes fixed column, frame, threaded rod and lock nut, the fixed column is two cylinder structures, and two fixed columns weld respectively in baffle and fixed plate left side, and two fixed columns all weld the threaded rod, and two threaded rods are the mode distribution of symmetry, be equipped with the frame between the threaded rod, and frame and threaded rod sliding connection, both ends all are equipped with lock nut around the frame, and lock nut all rotates with threaded rod and frame to be connected.

Further, baffle butt joint stand and trapezoidal arch, the baffle is the cuboid structure, and the baffle bottom is equipped with trapezoidal arch, the baffle passes through trapezoidal arch and bottom plate sliding connection, the baffle right-hand member is equipped with the butt joint stand, and the butt joint stand passes through threaded mode and baffle fixed connection.

Further, the stretching mechanism is including connecting bearing, extension spring, inserted bar, connecting rod, butt joint and U type mouth, the connection bearing rotates through pivot and fixed plate to be connected, U type mouth has been seted up to the butt joint, and the butt joint passes through U type mouth and can dismantle with the baffle to be connected, the butt joint all is equipped with the inserted bar with the connection bearing opposite face, and two inserted bars are the mode distribution of symmetry, are equipped with the connecting rod between two said inserted bars, and the inserted bar passes through screw and connecting rod fixed connection, the inserted bar all overlaps and is equipped with extension spring.

Compared with the prior art, the utility model discloses following beneficial effect has:

because the fixed column is two cylinder structures, and two fixed columns weld respectively in baffle and fixed plate left side, the threaded rod has all been welded to two fixed columns, and two threaded rods are the mode distribution of symmetry, be equipped with the frame between the threaded rod, and frame and threaded rod sliding connection, both ends all are equipped with lock nut around the frame, and lock nut all rotates with threaded rod and frame to be connected, rotate lock nut, promote the baffle through the threaded rod and slide backward, make the space increase between anterior segment mould and the back end mould, thereby increase the quantity of middle section mould, can adjust the length of mould body, the polyethylene honeycomb duct that makes the blowing out satisfies the production needs.

Because the connection bearing rotates with the fixed plate through the pivot to be connected, U type mouth has been seted up to the joint, and the joint can dismantle with the baffle through U type mouth and be connected, the joint all is equipped with the inserted bar with the connection bearing opposite face, and two inserted bars are the mode distribution of symmetry, be equipped with the connecting rod between two inserted bars, and the inserted bar passes through screw and connecting rod fixed connection, the inserted bar all overlaps and is equipped with extension spring, upwards lift the joint, can make U type mouth break away from the butt joint stand, and rotate the connecting rod, thereby make things convenient for the installation and the dismantlement of middle section mould.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic view of the rotational angle structure drawn from fig. 1.

Fig. 3 is an axial view structural schematic diagram of the locking mechanism of the present invention.

Fig. 4 is a schematic axial view of the stretching mechanism of the present invention.

Fig. 5 is a schematic diagram of the explosion structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base plate; 101. a slideway; 2. a mold body; 201. a front section mold; 202. a middle section mould; 2021. a chute; 2022. a U-shaped bulge; 203. a back section mold; 3. a locking mechanism; 301. fixing a column; 302. a frame; 303. a threaded rod; 304. locking the nut; 4. a baffle plate; 401. butting the stand columns; 402. a trapezoidal protrusion; 5. a stretching mechanism; 501. connecting a bearing; 502. an extension spring; 503. inserting a rod; 504. a connecting rod; 505. a butt joint; 506. a U-shaped opening; 6. and (7) fixing the plate.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a polyethylene honeycomb duct blow molding die, which comprises a bottom plate 1, wherein the bottom plate 1 comprises a slide way 101, the bottom plate 1 is of a cuboid structure, the slide way 101 is arranged at the middle position of the top surface of the bottom plate 1, and the slide way 101 is of a trapezoidal groove structure; the front end of the top of the bottom plate 1 is welded with a fixed plate 6; the top of the bottom plate 1 is provided with a mould body 2, and the mould body 2 is arranged at the rear end of the fixed plate 6; the rear end of the top of the bottom plate 1 is provided with a baffle 4, the baffle 4 is arranged at the rear end of the die body 2, the baffle 4 is in butt joint with the upright column 401 and the trapezoidal protrusion 402, the baffle 4 is of a cuboid structure, the trapezoidal protrusion 402 is arranged at the bottom end of the baffle 4, the baffle 4 is in sliding connection with the bottom plate 1 through the trapezoidal protrusion 402, the butt joint upright column 401 is arranged at the right end of the baffle 4, and the butt joint upright column 401 is fixedly connected with the baffle 4 in a threaded mode; the left side of the die body 2 is provided with a locking mechanism 3; the right side of the die body 2 is provided with a stretching mechanism 5; the die body 2 comprises a front section die 201, a middle section die 202 and a rear section die 203, the front section die 201 is fixedly connected with the bottom plate 1 through screws, the rear section die 203 is fixedly connected with the baffle 4 through screws, and the middle section die 202 is slidably connected with the front section die 201 and the rear section die 203; the middle section mold 202 further includes a sliding groove 2021 and a U-shaped protrusion 2022, the sliding groove 2021 is formed in the middle position of the front end of the middle section mold 202, the sliding groove 2021 is of a U-shaped groove structure, the U-shaped protrusion 2022 is formed at the rear end of the middle section mold 202, and the U-shaped protrusion 2022 has the same diameter as the sliding groove 2021, so that it can be seen that the middle section mold 202 is more convenient to mount and dismount by utilizing the sliding connection between the U-shaped protrusion 2022 and the sliding groove 2021.

Wherein, locking mechanism 3 includes fixed column 301, frame 302, threaded rod 303 and lock nut 304, fixed column 301 is two cylinder structures, and two fixed columns 301 weld respectively in baffle 4 and fixed plate 6 left sides, two fixed column 301 all weld threaded rod 303, and two threaded rod 303 are the mode distribution of symmetry, be equipped with frame 302 between the threaded rod 303, and frame 302 and threaded rod 303 sliding connection, both ends all are equipped with lock nut 304 around the frame 302, and lock nut 304 all rotates with threaded rod 303 and frame 302 to be connected, rotate lock nut 304, promote baffle 4 through threaded rod 303 and slide backward, make the space increase between anterior segment mould 201 and the back end mould 203, thereby increase the quantity of middle section mould 202, can adjust the length of mould body 2, make the polyethylene honeycomb duct that the blowing moulded satisfy the production needs.

Wherein, the stretching mechanism 5 includes a connection bearing 501, a stretching spring 502, an insertion rod 503, a connection rod 504, a butt joint 505 and a U-shaped opening 506, the connection bearing 501 is rotatably connected with the fixing plate 6 through a rotating shaft, the butt joint 505 is provided with the U-shaped opening 506, the butt joint 505 is detachably connected with the baffle 4 through the U-shaped opening 506, the insertion rods 503 are arranged on opposite surfaces of the butt joint 505 and the connection bearing 501, the two insertion rods 503 are symmetrically distributed, the connection rod 504 is arranged between the two insertion rods 503, the insertion rods 503 are fixedly connected with the connection rod 504 through screws, the extension spring 502 is sleeved on each insertion rod 503, the butt joint 505 is lifted upwards, the U-shaped opening 506 can be separated from the butt joint upright column 401, and the connection rod 504 is rotated, thereby facilitating the installation and the disassembly of the middle section mold 202.

The specific use mode and function of the embodiment are as follows:

in the utility model, when in use, because the middle position of the front end of the middle section die 202 is provided with the chute 2021, and the chute 2021 is of a U-shaped groove structure, the rear end of the middle section die 202 is provided with the U-shaped protrusion 2022, and the caliber of the U-shaped protrusion 2022 is the same as that of the chute 2021, it can be seen that the middle section die 202 is more convenient to mount and dismount by utilizing the sliding connection between the U-shaped protrusion 2022 and the chute 2021, and the bottom end of the baffle 4 is provided with the trapezoidal protrusion 402, and the baffle 4 is in sliding connection with the bottom plate 1 through the trapezoidal protrusion; firstly, a connecting bearing 501 is rotatably connected with a fixing plate 6 through a rotating shaft, a U-shaped opening 506 is formed in a butt joint 505, the butt joint 505 is detachably connected with a baffle 4 through the U-shaped opening 506, insertion rods 503 are arranged on opposite surfaces of the butt joint 505 and the connecting bearing 501, the two insertion rods 503 are distributed in a symmetrical mode, a connecting rod 504 is arranged between the two insertion rods 503, the insertion rods 503 are fixedly connected with the connecting rod 504 through screws, the insertion rods 503 are sleeved with extension springs 502, the butt joint 505 is lifted upwards, the U-shaped opening 506 can be separated from a butt joint upright column 401, and the connecting rod 504 is rotated, so that the middle section mold 202 can be conveniently mounted and dismounted; meanwhile, the locking nut 304 is rotated, the threaded rod 303 pushes the baffle 4 to slide backwards, so that the space between the front section mold 201 and the rear section mold 203 is increased, the number of the middle section molds 202 is increased, the length of the mold body 2 can be adjusted, and the blown polyethylene guide pipe meets the production requirement.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a polyethylene honeycomb duct blowing mould which characterized in that: the device comprises a bottom plate (1), wherein a fixing plate (6) is welded at the front end of the top of the bottom plate (1); the top of the bottom plate (1) is provided with a die body (2), and the die body (2) is arranged at the rear end of the fixing plate (6); the rear end of the top of the bottom plate (1) is provided with a baffle (4), and the baffle (4) is arranged at the rear end of the die body (2); a locking mechanism (3) is arranged on the left side of the die body (2); a stretching mechanism (5) is arranged on the right side of the die body (2); the die body (2) comprises a front section die (201), a middle section die (202) and a rear section die (203), the front section die (201) is fixedly connected with the bottom plate (1) through screws, the rear section die (203) is fixedly connected with the baffle (4) through screws, and the middle section die (202) is slidably connected with the front section die (201) and the rear section die (203).

2. The polyethylene draft tube blow molding die of claim 1, wherein: the bottom plate (1) comprises a slide way (101), the bottom plate (1) is of a cuboid structure, the slide way (101) is arranged in the middle of the top end surface of the bottom plate (1), and the slide way (101) is of a trapezoidal groove structure.

3. The polyethylene draft tube blow molding die of claim 1, wherein: the middle section mould (202) further comprises a sliding groove (2021) and a U-shaped protrusion (2022), the sliding groove (2021) is formed in the middle position of the front end of the middle section mould (202), the sliding groove (2021) is of a U-shaped groove structure, the U-shaped protrusion (2022) is arranged at the rear end of the middle section mould (202), and the caliber of the U-shaped protrusion (2022) is the same as that of the sliding groove (2021).

4. The polyethylene draft tube blow molding die of claim 1, wherein: locking mechanism (3) are including fixed column (301), frame (302), threaded rod (303) and lock nut (304), fixed column (301) are two cylinder structures, and two fixed column (301) weld respectively in baffle (4) and fixed plate (6) left side, and threaded rod (303) have all been welded to two fixed column (301), and two threaded rod (303) are the mode of symmetry and distribute, be equipped with frame (302) between threaded rod (303), and frame (302) and threaded rod (303) sliding connection, both ends all are equipped with lock nut (304) around frame (302), and lock nut (304) all rotate with threaded rod (303) and frame (302) and be connected.

5. The polyethylene draft tube blow molding die of claim 1, wherein: baffle (4) butt joint stand (401) and trapezoidal arch (402), baffle (4) are the cuboid structure, and baffle (4) bottom is equipped with trapezoidal arch (402), baffle (4) are through trapezoidal arch (402) and bottom plate (1) sliding connection, baffle (4) right-hand member is equipped with butt joint stand (401), and butt joint stand (401) through threaded mode and baffle (4) fixed connection.

6. The polyethylene draft tube blow molding die of claim 1, wherein: stretching mechanism (5) are including connection bearing (501), extension spring (502), inserted bar (503), connecting rod (504), butt joint (505) and U type mouth (506), connection bearing (501) are rotated through pivot and fixed plate (6) and are connected, U type mouth (506) have been seted up to butt joint (505), and can dismantle with baffle (4) through U type mouth (506) and be connected butt joint (505), all be equipped with inserted bar (503) with connection bearing (501) opposite face, and two inserted bar (503) are the mode distribution of symmetry, are equipped with connecting rod (504) between two stated inserted bar (503), and inserted bar (503) pass through screw and connecting rod (504) fixed connection, inserted bar (503) all are overlapped and are equipped with extension spring (502).