CN214448415U

CN214448415U - PET blow mold

Info

Publication number: CN214448415U
Application number: CN202120398811.7U
Authority: CN
Inventors: 王孝成
Original assignee: Ningbo Zhenyang Plastic Industry Co ltd
Current assignee: Ningbo Zhenyang Plastic Industry Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-10-22
Anticipated expiration: 2031-02-24

Abstract

The utility model discloses a PET blow molding die, which comprises a lower template, wherein an upper template is fixedly installed at the upper end of the lower template, cavities are respectively formed in the upper surface of the lower template and the lower surface of the upper template, a limiting hole is formed in the corner of the upper surface of the lower template, a buffer column is fixedly installed at the corner of the lower surface of the upper template, the outer wall of the buffer column is slightly smaller than the inner wall of the limiting hole, and water inlet pipes are respectively fixedly installed on the left surfaces of the upper template and the lower template; the utility model discloses a condenser pipe and the external large-scale condensate tank of circling round that set up can carry out the water-cooling circulation for a long time, reduces the temperature of mould, increases the ejection of compact speed of mould, through the buffering post that sets up, can provide elasticity when cope match-plate pattern and lower bolster divide the mould in addition for slowly part between cope match-plate pattern and the lower bolster, guarantee that inside shaping product can not take place slight deformation when dividing the mould, increase product quality.

Description

PET blow mold

Technical Field

The utility model relates to the technical field of mold, specifically a PET blowing mould.

Background

Blow molding, which is referred to as blow molding, is a method of forming a hollow article by blowing a hot-melt parison closed in a mold with the aid of gas pressure, is the third most common plastic processing method, and is also a plastic molding method that is developed rapidly.

But current blow mold has certain not enough, and the water tank that the water-cooling circulation that current blow mold adopted is cooled down is less, and after the cycle of a period of time, the temperature in the water tank risees, and the effect of water-cooling circulation will worsen, and current blow mold is when using in addition, and the in-process of mould division is gone up the lower mould and is pulled open by external force fast, causes certain damage to inside shaping product easily, and then reduces the problem of the quality of mould production, for this reason we propose a PET blow mold.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a PET blow mold to the water tank of the water-cooling circulation cooling that the current blow mold that proposes adopted is less in solving above-mentioned background art, after the period circulation, the temperature in the water tank risees, the effect of water-cooling circulation will the variation, current blow mold is when using in addition, the in-process of branch mould is gone up the bed die and is pulled open by external force fast, cause certain damage to inside shaping product easily, and then reduce the problem of the quality of mould production.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a PET blowing mould, includes the lower bolster, the upper end fixed mounting of lower bolster has the cope match-plate pattern, the cavity has all been seted up to the upper surface of lower bolster and the lower surface of cope match-plate pattern, spacing hole has been seted up to the corner of lower bolster upper surface, the corner fixed mounting of cope match-plate pattern lower surface has the buffering post, the outer wall of buffering post slightly is less than the inner wall in spacing hole, the equal fixed mounting in left surface of cope match-plate pattern and lower bolster has the inlet tube, the equal fixed mounting in right surface of cope match-plate pattern and lower bolster has the outlet pipe, the equal fixed mounting in inside of cope match-plate pattern and lower bolster has the condenser pipe that circles round, the radiating groove has been seted up on the right surface of lower bolster.

Further preferably, the water inlet pipe is communicated with the water outlet pipe through a rotary condensation pipe, and the water inlet pipe and the water outlet pipe are communicated with the condensed water tank through an external connecting pipe.

Further preferably, a temperature sensor is fixedly mounted at the left end inside the cavity and electrically connected with an external hydraulic pump.

Further preferably, the top fixed mounting of bumping post has the sleeve, the sliding chamber has been seted up to telescopic inside, the top fixed mounting of sliding chamber has first spring, the inner wall lower extreme fixed mounting of sliding chamber has first movable post, the top fixed mounting of first movable post has the extension piece, the bottom fixed mounting of first movable post has three hornblocks, first movable post and sleeve pass through the mutually supporting elastic connection of sliding chamber and first spring.

Further preferably, the top of the limiting hole is provided with a splayed groove, four groups of limiting holes, splayed grooves and buffer columns are arranged, and each group of limiting holes correspond to one group of buffer columns.

Preferably, a second spring is fixedly mounted at the bottom of the inner wall of the limiting hole, a second movable column is fixedly mounted at the upper end of the second spring, and the second movable column is elastically connected with the lower template through the second spring.

Preferably, the upper template is elastically connected with the lower template through the mutual matching of the first spring, the first movable column, the second spring and the second movable column

(III) advantageous effects

The utility model provides a PET blowing mould possesses following beneficial effect:

(1) according to the PET blow molding mold, the rotary condensation pipe and the external large-scale condensation water tank are arranged, so that water cooling circulation can be carried out for a long time, the temperature of the mold is reduced, the discharging speed of the mold is increased, and the problems that the water tank for cooling circulation adopted by the existing blow molding mold is small, the water temperature in the water tank is increased after circulation for a period of time, and the effect of the water cooling circulation is poor are solved;

(2) this kind of PET blow mold through the buffering post that sets up, can provide elasticity when cope match-plate pattern and lower bolster divide the mould for slowly part between cope match-plate pattern and the lower bolster, guarantee that inside shaping product can not take place slight deformation when dividing the mould, increase product quality, avoided the in-process of dividing the mould about the mould by external force pull open fast, cause the problem of certain damage to inside shaping product easily.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic plan view of the upper plate of the present invention.

Fig. 3 is a schematic view of the plane structure of the buffer post and the limiting hole of the present invention.

Fig. 4 is an enlarged schematic structural diagram of the utility model a.

In the figure: 1. a lower template; 2. a water inlet pipe; 3. mounting a template; 4. a water outlet pipe; 5. a buffer column; 6. a heat sink; 7. a cavity; 8. a temperature sensor; 9. a convolute condenser tube; 10. a limiting hole; 11. a triangular block; 12. a sleeve; 13. a slide chamber; 14. a first spring; 15. an extension block; 16. a first movable column; 17. a V-shaped groove; 18. a second movable column; 19. a second spring.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 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 therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a PET blow mold, which comprises: the blow-molding device comprises a lower template 1, an upper template 3 is fixedly installed at the upper end of the lower template 1, cavities 7 are respectively formed in the upper surface of the lower template 1 and the lower surface of the upper template 3, raw material filling and blow molding shaping are convenient to carry out, limiting holes 10 are formed in the corners of the upper surface of the lower template 1, mold closing between the upper template 3 and the lower template 1 is convenient to carry out, buffer columns 5 are fixedly installed at the corners of the lower surface of the upper template 3, elasticity can be provided during mold splitting, the upper template 3 and the lower template 1 are slowly separated, deformation of an internal molding product caused by rapid opening between the upper template 3 and the lower template 1 is avoided, product quality is influenced, the outer walls of the buffer columns 5 are slightly smaller than the inner walls of the limiting holes 10, water inlet pipes 2 are fixedly installed on the left surfaces of the upper template 3 and the lower template 1, water outlet pipes 4 are fixedly installed on the right surfaces of the upper template 3 and the lower template 1, rotary condenser pipes 9 are fixedly installed inside the upper template 3 and the lower template 1, the right surface of the lower template 1 is provided with a heat dissipation groove 6.

In the embodiment, specifically, the water inlet pipe 2 is communicated with the water outlet pipe 4 through the convolution condenser pipe 9, the water inlet pipe 2 and the water outlet pipe 4 are communicated with the condensate water tank through an external connecting pipe, condensate water enters the convolution condenser pipe 9 through the water inlet pipe 2, the condensate water absorbs heat on the upper template 3 and the lower template 1, and is discharged into an external large-scale water tank through the water outlet pipe 4, the upper template 3 and the lower template 1 can be continuously cooled, the production efficiency of the mold is accelerated, the temperature sensor 8 is fixedly installed at the left end inside the cavity 7, the temperature sensor 8 is electrically connected with an external hydraulic pump, after the upper template 3 and the lower template 1 work for a period of time, the temperature of the upper template 3 and the temperature of the lower template 1 rise, when the temperature reaches a convolution value set by the temperature sensor 8, the temperature sensor 8 is connected with a power supply of the external hydraulic pump, the hydraulic pump presses the condensate water in the large-scale water tank into the condenser pipe 9, the upper template 3 and the lower template 1 are cooled, so that the upper template 3 and the lower template 1 are continuously operated under the condition of relatively constant temperature, and the finished product demolding process is accelerated.

Specifically, a sleeve 12 is fixedly installed at the top of the buffer column 5, a sliding cavity 13 is formed in the sleeve 12, a first spring 14 is fixedly installed at the top of the sliding cavity 13, a first movable column 16 is fixedly installed at the lower end of the inner wall of the sliding cavity 13, an extension block 15 is fixedly installed at the top of the first movable column 16, a triangular block 11 is fixedly installed at the bottom of the first movable column 16, the first movable column 16 and the sleeve 12 are in matched elastic connection through the sliding cavity 13 and the first spring 14, during die assembly, the first movable column 16 at the top of the buffer column 5 is attached to the second movable column 18, at the moment, the first movable column 16 and the second movable column 18 are mutually extruded, the first spring 14 is elastically deformed, the first movable column 16 enters the sleeve 12, so that the upper die plate 3 and the lower die plate 1 can be quickly attached to each other, an eight-character groove 17 is formed at the top of the limiting hole 10, four groups of the limiting hole 10, the eight-character groove 17 and the buffer column 5 are arranged, every spacing hole 10 of group corresponds a set of cushion column 5, and splayed groove 17 is convenient for cushion column 5 to get into spacing hole 10 fast, has increased the compound die speed for carry out the compound die process between maintenance cleaning personnel can fast control cope match-plate pattern 3 and the lower bolster 1.

Specifically, a second spring 19 is fixedly installed at the bottom of the inner wall of the limiting hole 10, a second movable column 18 is fixedly installed at the upper end of the second spring 19, the second movable column 18 is elastically connected with the lower template 1 through the second spring 19, when the die is closed, the second spring 19 is subjected to the extrusion force of the second movable column 18, the second spring 19 is elastically deformed, the buffer column 5 completely enters the limiting hole 10, the upper template 3 and the lower template 1 are closed, blow molding production can be performed at the moment, the upper template 3 and the lower template 1 are elastically connected through the mutual matching of the first spring 14, the first movable column 16, the second spring 19 and the second movable column 18, after a product inside the die is molded, the thrust force between the upper template 3 and the outer side of the lower template 1 is cut off, at the moment, the first spring 14 and the second spring 19 recover elastic deformation, and respectively push the two sides of the upper template 3 and the lower template 1 to move, the upper die plate 3 is slowly separated from the lower die plate 1, deformation damage of an internal molded product when the upper die plate 3 and the lower die plate 1 are quickly pulled apart is avoided, and the product quality is improved.

The working principle is as follows: the utility model discloses after having installed, at first inspect the utility model discloses an installation is fixed and safety protection, it is closed between control cope match-plate pattern 3 and the lower bolster 1, pour into the raw materials and carry out the blowing into cavity 7, in operation, cope match-plate pattern 3 and lower bolster 1's temperature risees, at this moment, the power of the outside hydraulic pump is put through automatically to temperature-sensing ware 8, the comdenstion water passes through inlet tube 2 and gets into in the condenser pipe 9 that circles round, the condenser pipe 9 that circles round takes away the heat in cope match-plate pattern 3 and the lower bolster 1, the thrust in the not hard up cope match-plate pattern 3 and the 1 outside of lower bolster afterwards, under the effect of first spring 14 and second spring 19, slowly part between cope match-plate pattern 3 and the lower bolster 1, stimulate cope match-plate pattern 3 and lower bolster 1 afterwards, take out the shaping product, just so accomplished the utility model discloses a use, the utility model discloses simple structure, convenience safe in utilization.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PET blow mold, includes lower bolster (1), its characterized in that: an upper template (3) is fixedly mounted at the upper end of the lower template (1), cavities (7) are formed in the upper surface of the lower template (1) and the lower surface of the upper template (3), limiting holes (10) are formed in corners of the upper surface of the lower template (1), buffering columns (5) are fixedly mounted at corners of the lower surface of the upper template (3), the outer walls of the buffering columns (5) are slightly smaller than the inner walls of the limiting holes (10), water inlet pipes (2) are fixedly mounted on the left surfaces of the upper template (3) and the lower template (1), water outlet pipes (4) are fixedly mounted on the right surfaces of the upper template (3) and the lower template (1), convoluted condenser pipes (9) are fixedly mounted in the upper template (3) and the lower template (1), and heat dissipation grooves (6) are formed in the right surface of the lower template (1);

the water inlet pipe (2) is communicated with the water outlet pipe (4) through a rotary condensation pipe (9), and the water inlet pipe (2) and the water outlet pipe (4) are communicated with a condensation water tank through external connecting pipes.

2. A PET blow mold according to claim 1, characterized in that: the inside left end fixed mounting of cavity (7) has temperature-sensing ware (8), temperature-sensing ware (8) and outside hydraulic pump electric connection.

3. A PET blow mold according to claim 1, characterized in that: the top fixed mounting of cushion column (5) has sleeve (12), sliding chamber (13) have been seted up to the inside of sleeve (12), the top fixed mounting of sliding chamber (13) has first spring (14), the inner wall lower extreme fixed mounting of sliding chamber (13) has first movable post (16), the top fixed mounting of first movable post (16) has extension piece (15), the bottom fixed mounting of first movable post (16) has three hornblocks (11), first movable post (16) and sleeve (12) are through the mutually supporting elastic connection of sliding chamber (13) and first spring (14).

4. A PET blow mold according to claim 1, characterized in that: splayed groove (17) have been seted up at the top of spacing hole (10), splayed groove (17) and buffering post (5) all are provided with four groups, every group spacing hole (10) correspond a set of buffering post (5).

5. A PET blow mold according to claim 1, characterized in that: the inner wall bottom fixed mounting of spacing hole (10) has second spring (19), the upper end fixed mounting of second spring (19) has second activity post (18), pass through second spring (19) elastic connection between second activity post (18) and lower bolster (1).

6. A PET blow mold according to claim 1, characterized in that: the upper template (3) and the lower template (1) are elastically connected through mutual matching of a first spring (14), a first movable column (16), a second spring (19) and a second movable column (18).