CN214395375U

CN214395375U - Mold device in PET plastic bottle molding

Info

Publication number: CN214395375U
Application number: CN202120375996.XU
Authority: CN
Inventors: 程飞; 陈建高; 李小岑; 程真阳; 程三才; 陶文勇
Original assignee: Hubei Meile'en Plastic Industry Co ltd
Current assignee: Hubei Meile'en Plastic Industry Co ltd
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-10-15
Anticipated expiration: 2031-02-18

Abstract

The utility model provides a die set in PET plastic bottle shaping, including guided way and first die holder and second die holder, be provided with first mould on the first die holder, be provided with the second mould on the second die holder, the activity hole has been seted up on the second die holder, be provided with the activity body on the first die holder, be provided with the passive body on the second die holder, the fixed fixing base that is provided with on the guided way, the second die holder is located between fixing base and the first die holder, set up the second hole of stepping down that is used for the first hole of stepping down that the activity body passed and is used for the passive body to pass on the fixing base, be provided with the initiative tooth on the activity body, be provided with the driven tooth on the passive body, it is provided with the driving tooth to rotate on the fixing base, initiative tooth and driven tooth mesh with the both sides of driving tooth respectively, one side that first die holder deviates from the second die holder is provided with the driving cylinder that is used for driving the first die holder to be close to or keep away from the second die holder. The utility model provides a pair of mould device in PET plastic bottle shaping can make manufacturing cost lower.

Description

Mold device in PET plastic bottle molding

Technical Field

The utility model belongs to the technical field of the production of PET plastic bottle, a mould device in the shaping of PET plastic bottle is related to.

Background

The plastic bottle is mainly made of polyethylene or polypropylene and other materials with a plurality of organic solvents. The plastic bottle widely uses Polyester (PET), Polyethylene (PE) and polypropylene (PP) as raw materials, and is a plastic container which is added with a corresponding organic solvent, heated at high temperature, blown, extruded and blown or injection molded by a plastic mold.

The bottle blowing machine is one of main equipment for producing PET plastic bottles, and generally a bottle blank is prepared firstly in production, and then the bottle blank is stretched, preblown, blown, cooled, circulated by air and exhausted in sequence to finally form a bottle product; in the process of blowing the bottle, the mold is one of the core structures. The two molds are usually connected to a corresponding mold base, the mold base can move along a set track, when the bottle blank is located between the two molds, the two mold bases are close to each other until the two molds clamp the bottle blank, and then subsequent processing (namely stretching, pre-blowing, cooling, air circulation, exhaust and the like) is performed; after the processing is finished, the two die holders are separated from each other, the two dies are also separated from each other, and then the bottle formed by blow molding naturally falls down to be taken away, or the bottle is taken away through a bottle taking structure to wait for the next processing.

However, in the current process, the driving devices of the two die holders are separated, so that the cost is higher when the devices are actually produced, and the production cost of the plastic bottles is increased from the side.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould device in PET plastic bottle shaping aims at solving the high problem of manufacturing cost.

In order to solve the technical problem, the utility model provides a die set in PET plastic bottle shaping, including four parallel arrangement and rigidity's guided way and swing joint in first die holder and second die holder on the guided way, be provided with first mould on the first die holder, be provided with on the second die holder with first mould matched with second mould, the movable hole has been seted up on the second die holder, be provided with the activity on the first die holder and pass the activity body in movable hole, the activity body with first mould with all have between the second mould and set for the distance, the second die holder deviates from fixed being provided with on one side of first die holder with the parallel passive body of guided way, the fixed fixing base that is provided with on the guided way, the second die holder is located the fixing base with between the first die holder, offer on the fixing base and be used for the first hole of stepping down that the activity body passed and be used for passive body The die comprises a first die holder, a movable body, a second die holder, a first abdicating hole, a driven body, a driving tooth, a transmission tooth, a driving cylinder and a driving cylinder, wherein the first abdicating hole penetrates through the first abdicating hole, the movable body is provided with the driving tooth, the driven body is provided with the driven tooth, the fixed base is provided with the transmission tooth in a rotating manner, the driving tooth and the driven tooth are respectively meshed with two sides of the transmission tooth, and one side of the first die holder, which is far away from the second die holder, is provided with the driving cylinder which is used for driving the first die holder to be close to or far away from the second die holder.

The utility model discloses further set up to, the third hole of stepping down has been seted up on the fixing base, the third hole of stepping down both sides respectively with first hole of stepping down with the second hole of stepping down communicates with each other, the driving gear is located in the third hole of stepping down.

The utility model discloses further set up to, the activity body is provided with two, two the activity body is the symmetry and lies in the both sides of passive body.

The utility model discloses further set up to, the activity body is close to one side middle part level of passive body is provided with the bulge, the second die holder is located the bulge with between the first die holder, the initiative tooth is located the bulge deviates from one side of activity body.

The utility model discloses further set up as, the upper and lower both sides of activity body and deviate from one side of passive body all the activity laminate in the fixing base.

The utility model discloses further set up to, the fourth hole of stepping down has been seted up to the inner wall in the second hole of stepping down, the fourth rotates in the hole of stepping down and is provided with stable wheel, stable wheel activity contradict in the passive body.

The utility model discloses further set up to, it is provided with two, two to stabilize the wheel activity contradict in the upper and lower both sides of passive body.

Compared with the prior art, the utility model provides a die set among PET plastic bottle shaping, when processing, at first bottle embryo moves to between first mould and the second mould, then the activity of drive cylinder drive first die holder near the second die holder, the activity of activity body is also accompanied with first die holder activity simultaneously, the initiative tooth on the activity body has driven the driving tooth to rotate simultaneously, the driving tooth has driven the tooth activity, driven tooth drive passive body moves towards first die holder direction, therefore the second mould has also moved towards first mould direction, until first mould and second mould compound die, the drive cylinder stop the activity, just can carry out the bottle blowing this moment; after the bottle blowing is finished, the driving cylinder retracts, so that the first die holder and the second die holder are away from each other, the bottle is demoulded, and the bottle can be taken down or dropped from the first die and the second die. The driving force of the first die and the second die is only the driving cylinder, so that the power cost of the whole driving is lower, and the equipment cost, namely the production cost is reduced. Meanwhile, when the driving cylinder drives the first die holder to move, the movement of the second die holder and the movement of the first die holder are synchronous and at the same speed forever, so that bottle blanks can be clamped well, and the production quality is high.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a mold device in PET plastic bottle molding according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a first cross-sectional view of an embodiment of a mold apparatus for forming PET plastic bottles according to the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3;

fig. 5 is a second cross-sectional view of an embodiment of a mold apparatus for forming PET plastic bottles according to the present invention;

FIG. 6 is an enlarged view of portion C of FIG. 5;

fig. 7 is a first cross-sectional view of an embodiment of a mold apparatus for forming PET plastic bottles according to the present invention;

fig. 8 is an enlarged view of a portion D in fig. 7.

Wherein, 1, a guide rail; 2. a first die holder; 3. a second die holder; 4. a first mold; 5. a second mold; 6. a movable hole; 7. a movable body; 8. a passive body; 9. a fixed seat; 10. a first abdicating hole; 11. a second abdicating hole; 12. a driving tooth; 13. a driven tooth; 14. a transmission gear; 15. a drive cylinder; 16. a third abdicating hole; 17. a projection; 18. a fourth abdicating hole; 19. and (4) stabilizing the wheels.

Detailed Description

The following provides a more detailed description of a mold apparatus for forming PET plastic bottles, which is provided by the present invention, with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention. The same or similar reference numbers in the drawings identify the same or similar elements.

A die device for forming PET plastic bottles, as shown in fig. 1 to 8, comprising four guide rails 1 arranged in parallel and fixed in position, and a first die holder 2 and a second die holder 3 movably connected to the guide rails 1, wherein a first die 4 is arranged on the first die holder 2, a second die 5 matched with the first die 4 is arranged on the second die holder 3, a movable hole 6 is arranged on the second die holder 3, a movable body 7 movably penetrating through the movable hole 6 is arranged on the first die holder 2, a set distance is provided between the movable body 7 and the first die 4 as well as between the movable body 7 and the second die 5, a driven body 8 parallel to the guide rails 1 is fixedly arranged on one side of the second die holder 3 deviating from the first die holder 2, a fixed seat 9 is fixedly arranged on the guide rails 1, the second die holder 3 is positioned between the fixed seat 9 and the first die holder 2, the fixed seat 9 is provided with a first abdicating hole 10 for the movable body 7 to pass through and a second abdicating hole 11 for the passive body 8 to pass through, the movable body 7 is provided with a driving tooth 12, the passive body 8 is provided with a driven tooth 13, the fixed seat 9 is rotatably provided with a transmission tooth 14, the driving tooth 12 and the driven tooth 13 are respectively engaged with two sides of the transmission tooth 14, and one side of the first die holder 2 departing from the second die holder 3 is provided with a driving cylinder 15 for driving the first die holder 2 to approach or leave the second die holder 3. The fixing seat 9 is provided with a third yielding hole 16, two sides of the third yielding hole 16 are respectively communicated with the first yielding hole 10 and the second yielding hole 11, and the transmission gear 14 is located in the third yielding hole 16. Two movable bodies 7 are arranged, and the two movable bodies 7 are symmetrically positioned on two sides of the passive body 8.

A protruding part 17 is horizontally arranged in the middle of one side of the movable body 7 close to the passive body 8, the second die holder 3 is located between the protruding part 17 and the first die holder 2, and the driving tooth 12 is located on one side of the protruding part 17 away from the movable body 7. The upper side and the lower side of the movable body 7 and the side departing from the passive body 8 are movably attached to the fixed seat 9.

A fourth abdicating hole 18 is formed in the inner wall of the second abdicating hole 11, a stabilizing wheel 19 is rotatably arranged in the fourth abdicating hole 18, and the stabilizing wheel 19 movably abuts against the passive body 8. Two stabilizing wheels 19 are arranged, and the two stabilizing wheels 19 movably abut against the upper side and the lower side of the passive body 8.

The utility model provides a pair of mould device in PET plastic bottle shaping, when processing, at first bottle embryo moves to between first mould 4 and the second mould 5, then drive cylinder 15 drive first die holder 2 is close to the activity of second die holder 3, activity body 7 also accompanies the activity of first die holder 2 simultaneously, driving tooth 12 on the activity body 7 has driven driving tooth 14 to rotate simultaneously, driving tooth 14 has driven the activity of tooth 13, driven tooth 13 drives passive body 8 and moves towards 2 directions of first die holder, therefore second mould 5 has also moved towards 4 directions of first mould, until the compound die of first mould 4 and second mould 5, drive cylinder 15 stops the activity, just can carry out the bottle blowing this moment; after the bottle blowing is finished, the driving cylinder 15 retracts, so that the first die holder 2 and the second die holder 3 are away from each other, the demolding of the bottle is realized, and the bottle can be taken down or dropped from the first die 4 and the second die 5. Wherein the driving force of the first die 4 and the second die 5 is only the driving cylinder 15, so the power cost of the whole driving is lower, and the equipment cost, namely the production cost is reduced. Meanwhile, when the driving cylinder 15 drives the first die holder 2 to move, the movement of the second die holder 3 and the movement of the first die holder 2 are synchronous and at the same speed forever, so that bottle blanks can be clamped well, and the production quality is high.

The method in which the bottle preform is moved between the first mold 4 and the second mold 5 is an existing method, or may be manually moved by a worker; meanwhile, the processed bottle falls off from the mold by a conventional means, for example, the bottle can naturally fall to the lower part, and then a bearing vessel is arranged below the bottle; the shape and structure of the mold are conventional structures, and are the same as or similar to the mold in the market, and the mold is also provided with a cooling water pipe and a cooling water channel, which are not described herein again and are conventional cognizants of those skilled in the art.

The fixed seat 9 is fixed on the four guide rails 1, so that the positions of the fixed seat 9 and the transmission teeth 14 are fixed no matter how the first die holder 2 and the second die holder 3 move; meanwhile, the first abdicating hole 10 can also improve the position and shape stability of the movable body 7 and prevent the movable body 7 from deforming; and because the two sides of the driven body 8 are provided with the movable bodies 7, the stability of driving the second die holder 3 by the first die holder 2 can be higher, and the stability of driving the second die holder 3 is also improved.

The stabilizing wheels 19 in the fourth abdicating hole 18 can improve the position stability of the passive body 8, prevent the passive body 8 from being deformed in the vertical direction, and improve the stability of the whole die device. The four guide rails 1 are all fixed on a certain structure, such as a frame or other structures.

It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. A die device in PET plastic bottle forming is characterized by comprising four guide rails (1) which are arranged in parallel and fixed in position, a first die holder (2) and a second die holder (3) which are movably connected to the guide rails (1), wherein a first die (4) is arranged on the first die holder (2), a second die (5) matched with the first die (4) is arranged on the second die holder (3), a movable hole (6) is formed in the second die holder (3), a movable body (7) movably penetrating through the movable hole (6) is arranged on the first die holder (2), a set distance is reserved between the movable body (7) and the first die (4) and between the movable body and the second die (5), and a passive body (8) parallel to the guide rails (1) is fixedly arranged on one side of the second die holder (3) departing from the first die holder (2), a fixed seat (9) is fixedly arranged on the guide rail (1), the second die holder (3) is positioned between the fixed seat (9) and the first die holder (2), the fixed seat (9) is provided with a first abdicating hole (10) for the movable body (7) to pass through and a second abdicating hole (11) for the passive body (8) to pass through, the movable body (7) is provided with a driving tooth (12), the driven body (8) is provided with a driven tooth (13), the fixed seat (9) is rotatably provided with a transmission gear (14), the driving gear (12) and the driven gear (13) are respectively meshed with two sides of the transmission gear (14), and a driving cylinder (15) for driving the first die holder (2) to be close to or far away from the second die holder (3) is arranged on one side of the first die holder (2) departing from the second die holder (3).

2. The mold device in the molding of the PET plastic bottle according to claim 1, wherein a third yielding hole (16) is formed in the fixing seat (9), two sides of the third yielding hole (16) are respectively communicated with the first yielding hole (10) and the second yielding hole (11), and the transmission gear (14) is located in the third yielding hole (16).

3. The mold device in the molding of the PET plastic bottle according to claim 1 or 2, characterized in that two movable bodies (7) are provided, and the two movable bodies (7) are symmetrically positioned at two sides of the passive body (8).

4. The mold device in the molding of the PET plastic bottle as claimed in claim 1, wherein the middle part of one side of the movable body (7) close to the passive body (8) is horizontally provided with a convex part (17), the second mold base (3) is positioned between the convex part (17) and the first mold base (2), and the driving tooth (12) is positioned on one side of the convex part (17) away from the movable body (7).

5. The mold device in the molding of the PET plastic bottle according to claim 1, characterized in that the upper and lower sides of the movable body (7) and the side departing from the passive body (8) are movably attached to the fixed seat (9).

6. The mold device in PET plastic bottle molding according to claim 5, characterized in that the inner wall of the second abdicating hole (11) is opened with a fourth abdicating hole (18), the fourth abdicating hole (18) is rotatably provided with a stabilizing wheel (19), and the stabilizing wheel (19) movably abuts against the passive body (8).

7. The mold device in the molding of PET plastic bottle according to claim 6, characterized in that there are two stabilizing wheels (19), and the two stabilizing wheels (19) are movably abutted against the upper and lower sides of the passive body (8).