CN111452335A

CN111452335A - Plastic bottle forming die

Info

Publication number: CN111452335A
Application number: CN202010277667.1A
Authority: CN
Inventors: 王丽枝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-07-28

Abstract

The invention discloses a plastic bottle forming die, which structurally comprises an upper die, an installation assembly, a positioning column, an upper die holder, a lower die holder, a positioning cylinder, a lower die and a bottom die, wherein the upper die is fixed on the upper die holder, and the lower die holder is connected with the lower die. According to the invention, through the combination arrangement of the positioning column, the positioning cylinder, the mounting plate 21, the bottom plate 22, the clamping set and other components, the die assembly can slowly fall, and the phenomenon that the die assembly is subjected to large rigid collision is avoided, so that the die assembly abrasion degree can be greatly reduced, meanwhile, the sealing performance of the die assembly can be improved, air is prevented from entering, bubbles are prevented from appearing in a formed plastic bottle, and the die assembly can be replaced after the mounting plate is abraded, so that the upper die and the lower die are prevented from directly contacting, the whole die does not need to be replaced, and the service life of the die can be.

Description

Plastic bottle forming die

Technical Field

The invention relates to the field of plastic forming molds, in particular to a plastic bottle forming mold.

Background

The plastic bottle is mainly made of polyethylene or polypropylene and other materials with a plurality of organic solvents. The plastic bottle is a plastic container which is widely made of polyester, polyethylene and polypropylene as raw materials, is heated at high temperature after being added with corresponding organic solvents, and is subjected to blow molding, extrusion blowing or injection molding through a plastic mold.

The plastic forming die comprises two half dies, and when the plastic forming die is produced, the two half dies need to be opened and closed continuously, and just because the two half dies need to be opened and closed continuously, the contact surfaces of the two half dies can be abraded, the service life of the die can be greatly reduced, and air can enter easily after abrasion, so that bubbles can appear in a plastic bottle forming part, and the quality of the plastic bottle forming part is influenced.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art and provides a plastic bottle forming mold.

The invention is realized by adopting the following technical scheme: a plastic bottle forming die structurally comprises an upper die, an installation component, positioning columns, an upper die holder, a lower die holder, positioning cylinders, a lower die and a bottom die, wherein the upper die is fixed on the upper die holder, the lower die holder is connected with the lower die, the bottom die is further arranged on the lower die, the positioning cylinders are respectively installed at four corners of the lower die, the positioning columns are respectively arranged in the four corners of the upper die, and the installation component is respectively fixed at two ends of the end faces of the upper die and the lower die;

the mounting assembly comprises a mounting plate, a bottom plate and clamping assemblies, wherein five clamping assemblies which are arranged in an equidistant mode are evenly distributed on the bottom plate, the clamping assemblies are matched with the mounting plate, and the bottom plate is fixedly connected with the upper die.

The mounting plate comprises a heat-resistant rubber pad, a plate body, a longitudinal clamping groove and a transverse clamping groove, wherein the heat-resistant rubber pad is fixed on the top surface of the plate body, five longitudinal clamping grooves which are arranged in an equidistant mode are formed in the bottom surface of the plate body, the two ends of each longitudinal clamping groove are communicated with the transverse clamping grooves, the transverse clamping grooves are formed in the plate body, and the longitudinal clamping grooves and the transverse clamping grooves are clamped with a clamping assembly.

Preferably, the clamping assembly comprises an electromagnet ring, a first transverse clamping column, a spring, a longitudinal clamping column and a second transverse clamping column, the electromagnet ring is arranged at the center of the longitudinal clamping column, the spring penetrates through a center hole of the electromagnet ring, one end of the spring is connected with the first transverse clamping column, the other end of the spring is connected with the second transverse clamping column, the first transverse clamping column and the second transverse clamping column are arranged in a mirror image mode and are movably matched with the longitudinal clamping column, the longitudinal clamping column is vertically connected to the bottom plate and is matched with the longitudinal clamping groove, and the first transverse clamping column and the second transverse clamping column are matched with the transverse clamping groove.

As optimization, a horizontal card post is including horizontal card post body, guide ring, rubber circle, recess, hoop, horizontal card post body passes through hoop and rubber circle fixed connection, the guide ring runs through in the excessive complex rubber circle with it, hoop, horizontal card post body, be equipped with the recess in the horizontal card post body, the spring runs through in the center round hole of rubber circle, hoop and with horizontal card post body coupling, horizontal card post body still with vertical card post clearance fit.

As an optimization, the longitudinal clamping column comprises a guide strip, a movable channel, a longitudinal clamping column body and a coil channel, the longitudinal clamping column body is provided with the movable channel, the guide strip integrated with the longitudinal clamping column body is arranged in each of four directions of the movable channel, the longitudinal clamping column body is further provided with the coil channel communicated with the movable channel, the coil channel is perpendicular to the movable channel, and the longitudinal clamping column body is perpendicularly connected to the bottom plate.

As optimization, four squares of the guide ring are provided with guide ports, the guide ports are in clearance fit with the guide strips, the transverse clamping column body is internally provided with a movable channel in clearance fit with the guide strips, and the electromagnet ring is fixed at the central position of the movable channel and is just opposite to the coil channel.

Preferably, a power supply assembly is arranged in the bottom plate, and the power supply assembly is parallel to the electromagnet ring.

As optimization, the positioning cylinder comprises a sealing ring, a light floating plate, a hollow inner tube, a through hole and an outer tube, the outer tube is arranged in the hollow inner tube, the tops of the hollow inner tube and the outer tube are connected through the sealing ring, the through hole is formed in the bottom of the outer wall of the hollow inner tube, the light floating plate is arranged in the hollow inner tube, cooling liquid is arranged between the hollow inner tube and the outer tube, and the outer tube is arranged on a lower die holder.

Preferably, the positioning column is of a T-shaped structure and can penetrate through the sealing ring to be in contact with the light floating plate.

Advantageous effects

Compared with the prior art, the invention provides a plastic bottle forming die, which has the following beneficial effects:

(I) according to the invention, the guide post and the positioning hole of the die are designed into the positioning post and the positioning cylinder, and the positioning cylinder is arranged by combining the sealing ring, the light floating plate, the hollow inner tube, the through hole and the outer cylinder;

(II) the two sides of the end surfaces of the upper die and the lower die are flattened to one step, the mounting assembly consisting of the mounting plate, the bottom plate and the clamping assembly can realize the fixed clamping of the mounting plate and the bottom plate, so that the mounting plate can be replaced after the die assembly is worn, the service life of the die is prolonged,

(III) the mounting plate has buffering property by arranging the heat-resistant rubber gasket, so that rigid collision can be reduced during die assembly, the abrasion degree can be reduced, meanwhile, the sealing property of die assembly can be improved, air is prevented from entering, and bubbles in a molded plastic bottle are prevented;

(IV) the spring is arranged, so that thrust can be generated on the first transverse clamping column and the second transverse clamping column, the first transverse clamping column and the second transverse clamping column can be clamped with the transverse clamping groove well, clamping firmness is improved, mold opening and mold closing are more stable, and the forming quality of plastic bottles is improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a plastic bottle forming mold according to the present invention.

Fig. 2 is a schematic structural view of a plastic bottle molding die of the present invention without a mounting assembly.

Fig. 3 is a perspective view of the mounting assembly of the present invention.

Fig. 4 is a schematic cross-sectional view of the mounting assembly of the present invention.

Fig. 5 is a schematic cross-sectional view of the mounting plate of the present invention.

Fig. 6 is a schematic structural diagram of a first operating state of the card assembly of the present invention.

Fig. 7 is a schematic structural diagram of a second operating state of the card assembly of the present invention.

Fig. 8 is a schematic cross-sectional view of a first horizontal clamp post according to the present invention.

FIG. 9 is a cross-sectional view of the longitudinal clip of the present invention.

Fig. 10 is a schematic view of the electromagnet ring and power module of the present invention.

Fig. 11 is a schematic cross-sectional view illustrating the positioning post and the positioning cylinder of the present invention.

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

the device comprises an upper die 1, an installation component 2, a positioning column 3, an upper die seat 4, a lower die seat 5, a positioning cylinder 6, a lower die 7, a bottom die 8, an installation plate 21, a bottom plate 22, a clamping group 23, a heat-resistant rubber pad 1S, a plate body 2S, a longitudinal clamping groove 3S, a transverse clamping groove 4S, an electromagnet ring 1Q, a first transverse clamping column 2Q, a spring 3Q, a longitudinal clamping column 4Q, a second transverse clamping column 5Q, a transverse clamping column body 2Q1, a guide ring 2Q2, a rubber ring 2Q3, a groove 2Q4, an iron ring 2Q5, a guide strip 4Q1, a movable channel 4Q2, a longitudinal clamping column body 4Q3, a coil channel 4Q4, a power supply module 221, a sealing ring 1R, a light floating plate 2R, a hollow inner tube 3R, a through hole 4R and an outer tube 5R.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the present invention provides a plastic bottle forming mold, which comprises: the structure of the die comprises an upper die 1, an installation component 2, a positioning column 3, an upper die base 4, a lower die base 5, a positioning cylinder 6, a lower die 7 and a bottom die 8, wherein the upper die 1 is fixed on the upper die base 4, the lower die base 5 is connected with the lower die 7, the bottom die 8 is further arranged on the lower die 7, the positioning cylinder 6 is respectively installed at four corners of the lower die 7, the positioning column 3 is respectively arranged in each of the four corners of the upper die 1, and the installation component 2 is respectively fixed at two ends of the end faces of the upper die 1 and the lower die 7;

referring to fig. 11, the positioning cylinder 6 includes a sealing ring 1R, a light floating plate 2R, a hollow inner tube 3R, a through hole 4R, and an outer cylinder 5R, the hollow inner tube 3R is disposed in the outer cylinder 5R, the tops of the two are connected by the sealing ring 1R, the bottom of the outer wall of the hollow inner tube 3R is provided with the through hole 4R, the hollow inner tube 3R is disposed with the light floating plate 2R, a cooling liquid is disposed between the hollow inner tube 3R and the outer cylinder 5R, the outer cylinder 5R is mounted on the lower die base 5, the positioning column 3 is a T-shaped structure and can penetrate through the sealing ring 1R to contact with the light floating plate 2R, the cooling liquid has a cooling function, and can provide power for the resetting of the light floating plate 2R based on the principle of a communicating vessel, the hollow inner tube 3R is communicated with the outer cylinder 5R based on the principle of the communicating, the cooling liquid can flow each other, and light kickboard 2R receives the pressure of reference column 3, because of receiving the influence of cooling liquid, so can descend slowly for the compound die can slow down, avoids the compound die to take place great rigidity collision.

Referring to fig. 3-4, the mounting assembly 2 includes a mounting plate 21, a bottom plate 22, and a clamping assembly 23, five clamping assemblies 23 are uniformly distributed on the bottom plate 22 and are arranged in an equidistant manner, the clamping assemblies 23 are all matched with the mounting plate 21, and the bottom plate 22 is fixedly connected with the upper die 1, so as to facilitate replacement, assembly, and disassembly of the mounting plate 21.

Referring to fig. 5, the mounting plate 21 includes a heat-resistant rubber pad 1S, a plate body 2S, a longitudinal clamping groove 3S, and a transverse clamping groove 4S, the heat-resistant rubber pad 1S is fixed on the top surface of the plate body 2S, five longitudinal clamping grooves 3S are equidistantly formed in the bottom surface of the plate body 2S, the two ends of each longitudinal clamping groove 3S are respectively communicated with the transverse clamping groove 4S, the transverse clamping groove 4S is formed in the plate body 2S, the longitudinal clamping groove 3S and the transverse clamping groove 4S are respectively clamped with the clamping group 23, and the heat-resistant rubber pad 1S has buffering performance, so that rigid collision can be reduced during mold closing, abrasion degree can be reduced, sealing performance of mold closing can be improved, air can be prevented from entering, and bubbles can be prevented from occurring in a molded plastic bottle.

Referring to fig. 6-7, the clamping assembly 23 includes an electromagnet ring 1Q, a first transverse clamping column 2Q, a spring 3Q, a longitudinal clamping column 4Q, and a second transverse clamping column 5Q, the electromagnet ring 1Q is disposed at the center of the longitudinal clamping column 4Q, the spring 3Q penetrates through the central hole of the electromagnet ring 1Q, one end of the spring 3Q is connected to the first transverse clamping column 2Q, the other end of the spring is connected to the second transverse clamping column 5Q, the first transverse clamping column 2Q and the second transverse clamping column 5Q are arranged in mirror image and both movably matched with the longitudinal clamping column 4Q, the longitudinal clamping column 4Q is vertically connected to the bottom plate 22, the longitudinal clamping column 4Q is matched with the longitudinal clamping groove 3S, the first transverse clamping column 2Q and the second transverse clamping column 5Q are matched with the transverse clamping groove 4S, and the spring 3Q can be arranged for the first transverse clamping column 2Q, the second transverse clamping column 2Q, the spring 3Q is arranged based on its properties, No. two horizontal calorie of post 5Q produce thrust for horizontal calorie of post 2Q, No. two horizontal calorie of post 5Q can be fine clamp with horizontal clamping groove 4S, help improving and clamp the fastness.

Example 2

Referring to fig. 8, the first transverse latch 2Q includes a transverse latch body 2Q1, a guide ring 2Q2, a rubber ring 2Q3, a groove 2Q4, and an iron ring 2Q5, the transverse latch body 2Q1 is fixedly connected to the rubber ring 2Q3 through an iron ring 2Q5, the guide ring 2Q2 penetrates through a rubber ring 2Q3, an iron ring 2Q5, and a transverse latch body 2Q1 which are in over-fit with the guide ring, the groove 2Q4 is provided in the transverse latch body 2Q1, the spring 3Q penetrates through a central circular hole of the rubber ring 2Q3 and the iron ring 2Q5 to be connected to the transverse latch body 2Q1, the transverse latch body 2Q1 is movably fit with the longitudinal latch, the rubber ring 2Q3 is provided to isolate the iron ring 2Q 5Q 2 from the electromagnet ring 1Q 2Q, so as to prevent the electromagnetic force of the iron ring 2Q5 from colliding with the magnet ring Q1, and to prevent the magnet ring 2Q 6754 from generating rigid magnetic force, and magnet ring 2Q5 from generating rigid impact on the magnet ring 2Q2, The electromagnet ring 1Q is worn, the groove 2Q4 is arranged to accommodate the spring 3Q, the space is reasonably utilized, and the size of the transverse clamping column body 2Q1 is reduced.

Referring to fig. 9, the longitudinal clip 4Q includes a guide strip 4Q1, a movable channel 4Q2, a longitudinal clip body 4Q3, and a coil track 4Q4, the longitudinal clip body 4Q3 has a movable channel 4Q2, the movable channel 4Q2 has guide strips 4Q1 integrated with the longitudinal clip body 4Q3 in four directions, the longitudinal clip body 4Q3 further has a coil track 4Q4 communicated with the movable channel 4Q2, the coil track 4Q4 is perpendicular to the movable channel 4Q2, the longitudinal clip body 4Q3 is perpendicularly connected to the bottom plate 22, four square positions of the guide ring 2Q2 have guide ports, the guide ports are in clearance fit with the guide strips 4Q1, the transverse clip body 2Q1 is disposed in the movable channel 4Q2 in clearance fit with the movable channel 4Q2, and the electric ring 361Q is fixed at the center position of the movable channel 4Q2 and is opposite to the positive coil track 4Q 4934Q 49328, the guide strip 4Q1 and the guide ring 2Q2 are combined to guide the translation of the transverse clamping column body 2Q1 to limit the translation of the transverse clamping column body 2Q1, the coil channel 4Q4 is arranged to accommodate a coil, the coil can penetrate out conveniently and is electrically connected with the power supply module 221, and the longitudinal clamping column body 4Q3 is arranged to guide the installation of the plate body 2S, so that the plate body 2S can be accurately installed on the bottom plate 22, and the transverse clamping groove 4S can be accurately clamped with the transverse clamping column body 2Q 1.

Referring to fig. 10, a power supply module 221 is disposed in the bottom plate 22, and the power supply module 221 is parallel to the electromagnet ring 1Q and can provide electric energy to the electromagnet ring 1Q, so that the electromagnet ring 1Q is magnetic when being electrified and can be shunted when being parallel to each other, thereby avoiding an excessive magnetic force.

The working principle of the invention is as follows: when the mounting plate 21 is replaced, the electromagnet ring 1Q is electrified by starting the power supply assembly 221 to enable the electromagnet ring 1Q to be electrified to generate magnetism, based on the magnetism principle, the electromagnet ring 1Q can attract the iron ring 2Q5, so that the clamping column body 2Q1 is translated in the direction away from the transverse clamping groove 4S under the guiding action of the guide ring 2Q2 and the guide strip 4Q1 until the spring 3Q is compressed to the maximum amount, so that the transverse clamping column body 2Q1 is away from the transverse clamping groove 4S, the mounting plate 21 is taken away, a new mounting plate 21 is placed on the bottom plate 22 under the positioning action of the longitudinal clamping groove 3S and the longitudinal clamping column body 4Q3, the electromagnet ring 1Q is powered off by closing the power supply assembly 221, the spring 3Q is reset to provide thrust for the first transverse clamping column 2Q and the second transverse clamping column 5Q due to compression, and the transverse clamping column body 2Q1 passes through the transverse limiting clamping groove 4S to be clamped, so that the mounting plate 21 can be replaced after being worn without replacing the whole mold.

Setting up of heat-resisting rubber pad 1S has the cushion nature, can reduce the rigidity collision when the compound die, the reducing abrasion degree, can improve the leakproofness of compound die simultaneously, avoid the air admission, prevent that the bubble from appearing in fashioned plastic bottle, when the compound die, light kickboard 2R receives reference column 3' S pressure, because of the buoyancy of light kickboard 2R receives the coolant liquid, including the restriction of through-hole 4R size, the event can make light kickboard 2R slowly descend, thereby enable the compound die and can slowly fall, can further avoid the compound die to take place great rigidity collision, thereby can greatly reduced compound die wearing and tearing degree.

In summary, the technical progress obtained by the invention compared with the prior art is as follows: according to the invention, through the combination arrangement of the positioning column, the positioning cylinder, the mounting plate 21, the bottom plate 22, the clamping set and other components, the die assembly can slowly fall, and the phenomenon that the die assembly is subjected to large rigid collision is avoided, so that the die assembly abrasion degree can be greatly reduced, meanwhile, the sealing performance of the die assembly can be improved, air is prevented from entering, bubbles are prevented from appearing in a formed plastic bottle, and the die assembly can be replaced after the mounting plate is abraded, so that the upper die and the lower die are prevented from directly contacting, the whole die does not need to be replaced, and the service life of the die can be.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a plastic bottle forming die, its structure is including last mould (1), installation component (2), reference column (3), upper die base (4), die holder (5), a location section of thick bamboo (6), lower mould (7), die block (8), upper die base (4) are equipped with last mould (1) of taking reference column (3), die holder (5) are equipped with lower mould (7) of taking a location section of thick bamboo (6), lower mould (7) still are equipped with die block (8), it all is fixed with installation component (2) its characterized in that to go up mould (1), lower mould (7):

the mounting assembly (2) comprises a mounting plate (21), a bottom plate (22) and a clamping assembly (23), wherein the clamping assembly (23) matched with the mounting plate (21) is uniformly distributed on the bottom plate (22), and the bottom plate (22) is fixedly connected with the upper die (1).

2. The plastic bottle molding mold of claim 1, wherein: the mounting plate (21) comprises a heat-resistant rubber pad (1S), a plate body (2S), a longitudinal clamping groove (3S) and a transverse clamping groove (4S), the heat-resistant rubber pad (1S) is connected to the top of the plate body (2S), the longitudinal clamping groove (3S) and the transverse clamping groove (4S) are arranged at the bottom of the plate body, and the longitudinal clamping groove (3S) and the transverse clamping groove (4S) are clamped with the clamping group (23).

3. The plastic bottle molding mold of claim 2, wherein: the clamping assembly (23) comprises an electromagnet ring (1Q), a first transverse clamping column (2Q), a spring (3Q), a longitudinal clamping column (4Q) and a second transverse clamping column (5Q), wherein the electromagnet ring (1Q) is arranged on the longitudinal clamping column (4Q), the spring (3Q) penetrates through the electromagnet ring (1Q) and is connected with the first transverse clamping column (2Q) and the second transverse clamping column (5Q), the longitudinal clamping column (4Q) is vertically connected to the bottom plate (22), the longitudinal clamping column (4Q) is matched with the longitudinal clamping groove (3S), and the first transverse clamping column (2Q) and the second transverse clamping column (5Q) are matched with the transverse clamping groove (4S).

4. The plastic bottle molding mold of claim 3, wherein: a horizontal card post (2Q) is including horizontal card post body (2Q1), guide ring (2Q2), rubber circle (2Q3), recess (2Q4), hoop (2Q5), horizontal card post body (2Q1) links firmly with rubber circle (2Q3) through hoop (2Q5), guide ring (2Q2) cooperate in rubber circle (2Q3), hoop (2Q5), horizontal card post body (2Q1), be equipped with recess (2Q4) in horizontal card post body (2Q1), spring (3Q) are connected with horizontal card post body (2Q1), horizontal card post body (2Q1) and vertical card post (4Q) cooperation.

5. The plastic bottle molding mold of claim 3, wherein: vertical card post (4Q) is including guide strip (4Q1), activity passageway (4Q2), vertical card post body (4Q3), coil way (4Q4), vertical card post body (4Q3) is equipped with activity passageway (4Q2), vertical card post body (4Q3) an organic whole has guide strip (4Q1), vertical card post body (4Q3) still are equipped with and move movable channel (4Q2) communicating coil way (4Q4), vertical card post body (4Q3) connect perpendicularly in bottom plate (22).

6. The plastic bottle molding mold of claim 4, wherein: the guide ring (2Q2) is matched with the guide strip (4Q1), the transverse clamping column body (2Q1) is arranged in the movable channel (4Q2), and the electromagnet ring (1Q) is arranged on the movable channel (4Q 2).

7. The plastic bottle molding mold of claim 1, wherein: a power supply module (221) connected to the magnet ring (1Q) is provided in the bottom plate (22).

8. The plastic bottle molding mold of claim 1, wherein: the utility model discloses a cooling device, including sealing ring (1R), light kickboard (2R), cavity inner tube (3R), through-hole (4R), urceolus (5R), location section of thick bamboo (6), place urceolus (5R) in cavity inner tube (3R) and connect in sealing ring (1R), communicating through-hole (4R) with urceolus (5R) are seted up to cavity inner tube (3R), cavity inner tube (3R) embeds there is light kickboard (2R), it has the coolant liquid to embed between cavity inner tube (3R) and urceolus (5R).