CN212920385U

CN212920385U - Mould core rod temperature control mechanism for injection blow hollow molding machine

Info

Publication number: CN212920385U
Application number: CN202021401873.0U
Authority: CN
Inventors: 何志斌; 倪爱明; 任巧安
Original assignee: Zhangjiagang Lianxin Plastics Machinery Co ltd
Current assignee: Zhangjiagang Lianxin Plastics Machinery Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-04-09
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses an annotate and blow mould plug temperature control mechanism for cavity forming machine, comprising a supporting seat, the slip inner chamber has been seted up to the inside of supporting seat, and the fixed welding of the inside bottom intermediate position of slip inner chamber has the connecting block, the inside of slip inner chamber is inserted and is equipped with the stick pole, and the bottom outside cover of stick pole is equipped with the spring, the bottom intermediate position of stick pole has seted up the connection chamber, the intake pipe has been seted up to the intermediate position of connecting block. The utility model discloses a set up excellent pole and slide inner chamber sliding connection from top to bottom, when the inside atmospheric pressure that loses of inlet air in the device promoted, under the elastic support of spring, the excellent pole can slide downwards to make the excellent pole promote downwards, the below outside through setting up the excellent pole is the slope form, make the outside dislocation separation of bottleneck after the production and excellent pole, thereby be convenient for automatic pine takes off in advance, appear blocking and stopping phenomenon when being favorable to preventing the drawing of patterns, be convenient for promote the device's drawing of patterns convenience.

Description

Mould core rod temperature control mechanism for injection blow hollow molding machine

Technical Field

The utility model relates to an annotate and blow mould plug equipment technical field for the cavity forming machine, specifically be an annotate and blow mould plug temperature control mechanism for the cavity forming machine.

Background

The mold core rod for the injection blow hollow molding machine is a mechanical part applied to a plastic bottle blow molding process, in the injection blow molding production process, the plastic bottle mold blank sleeved outside the mold core rod is blown to be bulged through the rod core by air flow pressurization, so that the bottle blank is fully filled in a mold cavity for molding, when the existing core rod is produced, a water pipe loop for internal heating is simple and is usually in a straight-in and straight-out mode, and because the heating loop has heat loss in the circulation process, the temperature on the core rod is not uniform enough, the temperature control on the core rod is not uniform enough, so that the defects of bubbles, silver stripes and the like are easily generated on the bottle body during injection blow molding;

in addition, when the existing core rod works, a bottle blank is directly sleeved on the core rod and is influenced by blow molding pressure, a bottle mouth can be tightly sleeved on the core rod, so that blockage is easy to occur when a mold is removed and the mold is removed, the demolding efficiency is influenced, and a product is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an annotate and blow mould plug temperature control mechanism for cavity molding machine to current notes that provide in solving above-mentioned background art blow cavity molding equipment when carrying out production, because its plug internal heating control is not enough even, lead to defects such as the easy gassing of product and silver line, and the easy problem of card pause of product when the drawing of patterns.

In order to achieve the above object, the utility model provides a following technical scheme: a mold core rod temperature control mechanism for an injection blow hollow molding machine comprises a supporting seat, wherein a sliding inner cavity is formed in the supporting seat, a connecting block is fixedly welded at the middle position of the bottom end in the sliding inner cavity, a rod is inserted in the sliding inner cavity, a spring is sleeved on the outer side of the bottom of the rod, a connecting cavity is formed in the middle position of the bottom of the rod, an air inlet pipe is formed in the middle position of the connecting block, a shunt air pipe is uniformly formed in the rod, capillary air pipes are uniformly formed in the outer wall above the rod, sealing insertion pipes are symmetrically welded and fixed at the left end and the right end of the top of the connecting block, one group of the sealing insertion pipes are communicated with a water inlet, the other group of the sealing insertion pipes are communicated with a water outlet, a sealing cavity is symmetrically formed in the top of the connecting cavity, and a heating pipe is formed in, and the through hole of the heating pipe is fixedly communicated with a connecting pipe, and the outer wall of the rod is uniformly embedded and fixed with radiating fins.

Preferably, the inner wall of slip inner chamber sets up for leaking hopper-shaped slope, the outside size of stick and the inside size looks adaptation of slip inner chamber, sliding connection about stick and the slip inner chamber, the one end fixed mounting of spring is in the outside of stick, the other end fixed mounting of spring is in the inside of slip inner chamber, the stick passes through spring and slip inner chamber elasticity flexible coupling.

Preferably, the connecting block is embedded in the connecting cavity, the outside size of the connecting block is matched with the inside size of the connecting cavity, and the connecting cavity is vertically and slidably connected with the connecting block.

Preferably, top one end intercommunication of intake pipe is in the inside of connecting the chamber, the lower extreme intercommunication of reposition of redundant personnel trachea is on the lateral wall of connecting the chamber, capillary trachea all communicates on the lateral wall of reposition of redundant personnel trachea.

Preferably, the outside size of the sealed cannula is matched with the inside size of the sealed cavity, and the sealed cannula is connected with the sealed cavity in a vertical sliding mode.

Preferably, the heating pipe is double-helix shaped, the connecting pipes are provided with two groups, and the two ports of the heating pipe are respectively connected to the two groups of the connecting pipes in the sealed cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the rod is connected with the sliding inner cavity in a vertically sliding mode, when air pressure inside the air inlet pipe in the device is not pushed, the rod can slide downwards under the elastic support of the spring, so that the rod is pushed downwards, and the outer side below the rod is inclined, so that a bottle mouth after production is separated from the outer side of the rod in a staggered mode, automatic pre-loosening is facilitated, the phenomenon of blocking during demolding is prevented, and demolding convenience of the device is improved;

2. the capillary air pipes are uniformly distributed on the outer wall of the rod, and each group of capillary air pipes are communicated with the flow dividing air pipe, so that the device can uniformly blow and blast around through the capillary air pipes when in work, and the device is effectively ensured to be comprehensive and uniform when in injection blowing production;

3. set up in the inside of stick through setting up the heating pipe double helix for the device is when heating control, and the mutual interval is filled between each pipeline of heating pipe, makes for liquid for the heating when flowing in and flowing out, and its temperature can be more even mild under mutual neutralization, and the effectual device of having ensured is convenient for prevent defects such as bubble and silver line from appearing on the product body to heating temperature's even stability control.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front sectional view of the structure of the utility model after contraction;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic front view of the structure of the present invention;

FIG. 4 is a schematic top view of the structure of the present invention;

fig. 5 is a schematic front sectional view of the elongated structure of the present invention.

In the figure: 1. a supporting seat; 2. a sliding inner cavity; 3. connecting blocks; 4. a rod; 5. a spring; 6. a connecting cavity; 7. an air inlet pipe; 8. a gas distributing pipe; 9. a capillary tube; 10. sealing the cannula; 11. a water inlet; 12. a water outlet; 13. sealing the cavity; 14. heating a tube; 15. a connecting pipe; 16. and (4) radiating fins.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a mold core rod temperature control mechanism for an injection blow hollow molding machine comprises a supporting seat 1, a sliding inner cavity 2 is arranged inside the supporting seat 1, a connecting block 3 is fixedly welded at the middle position of the bottom end inside the sliding inner cavity 2, a rod 4 is inserted inside the sliding inner cavity 2, a spring 5 is sleeved outside the bottom of the rod 4, the inner wall of the sliding inner cavity 2 is inclined in a funnel shape, the outside size of the rod 4 is matched with the inside size of the sliding inner cavity 2, the rod 4 is connected with the sliding inner cavity 2 in a vertical sliding mode, one end of the spring 5 is fixedly arranged outside the rod 4, the other end of the spring 5 is fixedly arranged inside the sliding inner cavity 2, the rod 4 is elastically and telescopically connected with the sliding inner cavity 2 through the spring 5, when the device works, when no external force is applied to the device, the elastic support of the spring 5 is used, and the joint position of the rod 4 and the sliding inner cavity 2 is, make 4 downstream of excellent pole retract slip inner chamber 2 inside, because the removal dislocation of excellent pole 4 for the laminating is in the bottleneck and the 4 dislocation separation of excellent pole in the excellent pole 4 outside, thereby makes the device realize automatic pre-separation, is convenient for reduce the device jamming when carrying out the drawing of patterns, and the effectual drawing of patterns efficiency that has improved, and jamming leads to the product to receive the damage when being convenient for prevent the drawing of patterns.

The middle position of the bottom of the rod 4 is provided with a connecting cavity 6, the middle position of the connecting block 3 is provided with an air inlet pipe 7, the connecting block 3 is embedded in the connecting cavity 6, the outside size of the connecting block 3 is matched with the inside size of the connecting cavity 6, the connecting cavity 6 is in up-and-down sliding connection with the connecting block 3, and the air inlet pipe 7 is arranged at the middle position of the connecting block 3, so that when the injection blowing production of the device is carried out, the rod 4 is upwards jacked up by the impact of pressurized air flow introduced into the air inlet pipe 7, the rod 4 moves upwards, the rod 4 is kept in a state of being attached to the inner wall of the sliding inner cavity 2, the injection blowing production is carried out, after the injection blowing is finished, the pressurized air flow in the air inlet pipe 7 is disconnected, the rod 4 loses the pressure pushing in the, can realize drawing of patterns operation in advance automatically, the effectual continuity that ensures the device is convenient for improve the continuity when the device produces, is favorable to promoting production efficiency.

Reposition of redundant personnel trachea 8 has evenly been seted up to the inside of excellent pole 4, capillary 9 has evenly been seted up on the top outer wall of excellent pole 4, the inside of chamber 6 is being connected in the top one end intercommunication of intake pipe 7, the lower extreme intercommunication of reposition of redundant personnel trachea 8 is on the lateral wall of connecting chamber 6, capillary 9 all communicates on the lateral wall of reposition of redundant personnel trachea 8, in operation, the inside pressurized gas that lets in of intake pipe 7, inside connecting chamber 6 entering reposition of redundant personnel trachea 8, spout in capillary 9 through reposition of redundant personnel trachea 8 dispersion, blow up simultaneously through the different angles from equidirectional, the effectual stable comprehensive nature that ensures the injection and blow the operation.

The left end and the right end of the top of the connecting block 3 are symmetrically welded and fixed with sealed inserting pipes 10, the inside of one group of sealed inserting pipes 10 is communicated with a water inlet 11, the inside of the other group of sealed inserting pipes 10 is communicated with a water outlet 12, the inside top of the connecting cavity 6 is symmetrically provided with sealed cavities 13, the outside size of the sealed inserting pipes 10 is matched with the inside size of the sealed cavities 13, the sealed inserting pipes 10 are in up-and-down sliding connection with the sealed cavities 13, the sealed cavities 13 are in sliding telescopic connection with the sealed inserting pipes 13, and the sealed inserting pipes 10 are in sealed connection with the sealed cavities 13, so that when the rod 4 moves up and down, the sealed inserting pipes 10 are still in a sealed connection state with the sealed cavities 13, the connectivity among the water inlet 11, the water outlet 12 and the connecting pipe 15 is convenient to ensure, and the connection among the water inlet 11, the, the working stability of the device is effectively guaranteed.

The heating pipe 14 is arranged at the middle position in the upper part of the rod 4, the through hole of the heating pipe 14 is fixedly communicated with the connecting pipe 15, the outer wall of the rod 4 is uniformly embedded and fixed with the radiating fins 16, the appearance of the heating pipe 14 is double helix, two groups of the connecting pipes 15 are arranged, two through holes of the heating pipe 14 are respectively connected with the inner parts of two groups of sealing cavities 13 through the two groups of the connecting pipes 15, the appearance of the heating pipe 14 is double helix, when the heating water of the connecting pipe 15 flows into the heating pipe 14 from the water inlet 11, the adjacent tight heating pipes 14 are mutually supplemented due to the spiral and staggered double helices, the balance of the inflow and outflow of the heating liquid in the heating pipe 14 is favorably ensured, the heating temperature is conveniently and stably controlled, meanwhile, the radiating area is increased by means of the radiating fins 16, and the device can, the temperature control is more stable, the defects of bubbles, silver lines and the like on the bottle body are conveniently prevented, and the quality of products produced by the device is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an annotate and blow mould plug temperature control mechanism for cavity forming machine, includes supporting seat (1), its characterized in that: a sliding inner cavity (2) is formed in the supporting seat (1), a connecting block (3) is fixedly welded at the middle position of the bottom end in the sliding inner cavity (2), a rod (4) is inserted in the sliding inner cavity (2), a spring (5) is sleeved outside the bottom of the rod (4), a connecting cavity (6) is formed in the middle position of the bottom of the rod (4), an air inlet pipe (7) is formed in the middle position of the connecting block (3), a shunt air pipe (8) is uniformly formed in the rod (4), a capillary air pipe (9) is uniformly formed in the outer wall above the rod (4), sealing insertion pipes (10) are symmetrically welded and fixed at the left end and the right end of the top of the connecting block (3), one group of the sealing insertion pipes (10) is communicated with a water inlet (11), the other group of the sealing insertion pipes (10) is communicated with a water outlet (12), sealed chamber (13) have been seted up to the inside top symmetry in connection chamber (6), heating pipe (14) have been seted up to the inside intermediate position in top of stick pole (4), and the logical mouth department of heating pipe (14) is fixed to be communicated with connecting pipe (15), evenly inlay on the outer wall of stick pole (4) and be fixed with radiating fin (16).

2. The mold core rod temperature control mechanism for the injection blow molding hollow forming machine according to claim 1, characterized in that: the inner wall of slip inner chamber (2) sets up for leaking hopper-shaped slope, the outside size of stick pole (4) and the inside size looks adaptation of slip inner chamber (2), sliding connection about stick pole (4) and slip inner chamber (2), the one end fixed mounting of spring (5) is in the outside of stick pole (4), the other end fixed mounting of spring (5) is in the inside of slip inner chamber (2), stick pole (4) are connected with slip inner chamber (2) elasticity is flexible through spring (5).

3. The mold core rod temperature control mechanism for the injection blow molding hollow forming machine according to claim 1, characterized in that: connecting block (3) are inlayed in the inside of connecting chamber (6), the outside size of connecting block (3) and the inside size looks adaptation of connecting chamber (6), sliding connection about connecting chamber (6) and connecting block (3).

4. The mold core rod temperature control mechanism for the injection blow molding hollow forming machine according to claim 1, characterized in that: the top one end intercommunication of intake pipe (7) is in the inside of connecting chamber (6), the lower extreme intercommunication of reposition of redundant personnel trachea (8) is on the lateral wall of connecting chamber (6), capillary trachea (9) all communicate on the lateral wall of reposition of redundant personnel trachea (8).

5. The mold core rod temperature control mechanism for the injection blow molding hollow forming machine according to claim 1, characterized in that: the outer side size of the sealing insertion pipe (10) is matched with the inner size of the sealing cavity (13), and the sealing insertion pipe (10) is connected with the sealing cavity (13) in a vertical sliding mode.

6. The mold core rod temperature control mechanism for the injection blow molding hollow forming machine according to claim 1, characterized in that: the appearance of heating pipe (14) is two heliciform, connecting pipe (15) are provided with two sets ofly altogether, two openings of heating pipe (14) are through two sets ofly connecting pipe (15) are connected respectively in two sets of the inside of sealed chamber (13).