CN210026256U

CN210026256U - Core mould device for rotary moving blank

Info

Publication number: CN210026256U
Application number: CN201920421778.8U
Authority: CN
Inventors: 周文进
Original assignee: Xiji Packaging Materials Hubei Co Ltd
Current assignee: Xiji Packaging Materials Hubei Co Ltd
Priority date: 2019-03-30
Filing date: 2019-03-30
Publication date: 2020-02-07
Anticipated expiration: 2029-03-30

Abstract

A mold device for a rotary movable blank core, comprising: the upper base and the lower base are respectively provided with a transverse sliding hole at the front side and the rear side, each transverse sliding hole is respectively sleeved on two groups of transverse sliding rods of the upper group and the lower group, the transverse sliding rods are provided with racks, the transverse sliding holes of the upper base and the lower base are provided with rack grooves, the left end of each transverse sliding rod is fixed on the supporting plate, and the right end of each transverse sliding rod is fixed on the left vertical plate; the upper end and the lower end of the right side of the rotary moving blank core mold seat are respectively provided with a blank core seat transverse driving synchronous motor, a synchronous gear on a rotating shaft of the synchronous motor is meshed with a rack arranged on a transverse sliding rod, the centers of the upper end and the lower end of the rotary moving blank core mold seat are respectively provided with an upper rotating shaft and a lower rotating shaft, the lower end of the lower rotating shaft is provided with a rotary driven gear, a rotary driving gear arranged on the rotating shaft of the blank core seat rotary driving motor drives the rotary driven gear, the front surface and the back surface of a rotating body are detachably provided with 2-8 blank core seats respectively, a blank core is arranged on the blank core seat, the inner cavity of the blank core is communicated with an air pipe.

Description

Core mould device for rotary moving blank

Technical Field

The utility model belongs to the technical field of plastics injection processing machinery makes, concretely relates to rotatory removal base core mould makes technical field.

Background

The blank core mould of the plastic bottle opening and closing bottle blowing machine in the prior art mostly adopts a specification and size plastic bottle to correspond to a set of blank core mould with fixed specification and size to produce the plastic bottle, in order to produce plastic bottles with different specification and size, enterprises need to purchase blank core moulds with different sizes to produce the plastic bottle, the production cost of the enterprises is greatly increased, in addition, the blank core mould mostly adopts the transverse movement injection molding preform in the production process, in the preform forming process, the bottle blowing process can only wait, the bottle blowing process can not be carried out synchronously with the preform process, the production efficiency of the enterprises is seriously influenced, and the defects are not well solved all the time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's is not enough, carries out revolutionary improvement to the base mandrel utensil of traditional plastic bottle blowing machine of opening and shutting, improves traditional single face overall structure and the base mandrel utensil that needs whole change for two-sided setting up the base core and can be respectively the single rotatory removal base mandrel utensil device of changing base mandrel seat, alright in order to realize the production of shaping plastics bottle blowing in the shaping preform simultaneously, simultaneously the utility model discloses utilize bottle blowing plastics raw materials fusing point (150 ℃ -180 ℃) to be less than the melting point temperature difference characteristic of special fluorine dragon (fluorinated ethylene propylene copolymer, fusing point 240 ℃ -260 ℃ describe the same no longer repetition at the back), provide a can permanent automatic rotary movement base mandrel utensil that takes off the membrane, include: an upper base, a transverse sliding hole along the left-right direction is respectively arranged at the front side and the rear side of the upper base, a lower base, a transverse sliding hole along the left-right direction is respectively arranged at the front side and the rear side of the lower base, the transverse sliding holes on the upper base and the lower base are sleeved on the transverse sliding rods of each two groups of the upper transverse sliding rod and the lower transverse sliding rod in a one-to-one correspondence manner, racks are arranged on the transverse sliding rods, rack grooves are arranged on the transverse sliding holes of the upper base, rack grooves are arranged on the transverse sliding holes of the lower base, the left ends of the transverse sliding rods are correspondingly fixed on a supporting plate, the right ends of the transverse sliding rods are correspondingly fixed on a left vertical plate in a one-to-one manner, blank core seat transverse driving synchronous motors are arranged at the upper end and the lower end of the right side of a rotary moving blank core mold seat, synchronous gears are arranged on the rotating shafts, the upper end of the upper rotating shaft and the lower rotating shaft are sleeved with bearings, the lower end of the lower rotating shaft is provided with a rotary driven gear, a blank core seat rotary driving motor base is fixed on the lower base, the rotary driven gear is fixedly arranged on a blank core seat rotary driving motor rotating shaft and is meshed with a rotary driving gear, a plurality of blank core seats, preferably 2-8 blank core seats, are uniformly arranged and detachably arranged on the connecting line of the axes of the upper rotating shaft and the lower rotating shaft on the front surface and the back surface of the rotating body respectively, a blank core is arranged on the blank core seat, the inner cavity of the blank core is communicated with an air pipe, the outer wall of the blank core is coated with a Teflon stripping coating, locking screw holes are arranged around the blank core seat, the blank core seats are fixed on the front surface and the back surface of the rotating body through screw rods, ball grooves are arranged in the opposite surfaces of the upper;

the left side of the rotary moving blank core mold device is provided with a moving bottle opening and closing mold seat used for bottle blowing production, the moving bottle opening and closing mold seat is sleeved on two groups of two transverse sliding rods, a synchronous motor used for driving the moving bottle opening and closing mold seat to move along the transverse sliding rods is arranged on the moving bottle opening and closing mold seat, and the right side of the rotary moving blank core mold device is provided with a hot melting extrusion feeding blank core film covering device used for forming a preform.

Preferably, a cavity is formed between a blank core and a blank core sleeve die on one side of a rotary moving blank core die device opposite to a hot melting extrusion feeding blank core sleeve die device, a screw extruder injects hot melting materials into a space between the blank core sleeve die and the blank core to form a pre-blank, the rotary moving blank core die device is driven by a synchronous motor to leave the hot melting extrusion feeding blank core sleeve die device, a rotator rotates 180 degrees, a movable opening and closing bottle die base is driven by the synchronous motor to move towards the right rotary moving blank core die device to move towards and close, the rotary moving blank core die device is driven by the synchronous motor to move to the right to the screw extruder at the same time, the blank core extends into the blank core sleeve die, a boss surface on a blank core base is abutted against a contact surface of a blank core sleeve die opening, the screw extruder injects hot melting materials into a space between the blank core sleeve die and the blank core to form the pre-blank, simultaneously, the front half bottle body and the rear opening and closing half bottle body are closed to clamp the pre-blank, and the closed end surface of the, hot air is introduced into the air pipe in the blank core to blow the bottle until the interior of the preform is spread and the inner cavities of the front opening-closing half bottle body and the rear opening-closing half bottle body are jointed to form the bottle body.

The rotating body of the movable bottle opening and closing mold base is driven by the synchronous motor to leave the rotary movable blank core mold device, the rotary movable blank core mold device is driven by the synchronous motor to leave the hot-melting extrusion feeding blank core film covering device, the rotating body rotates in the reverse direction by 180 degrees, the steps of forming a preform and blowing a bottle are repeated, the rotating body rotates in the forward direction by 180 degrees and rotates in the reverse direction by 180 degrees, and the phenomenon that the air pipe is wound and broken due to unidirectional rotation of the rotating body can be prevented.

Preferably, the outer surface of the green core is coated with a teflon release coating having a thickness of 0.01mm to 4 mm.

Preferably, the billet core and the billet core seat are fixed on the front surface and the back surface of the rotating body in a replaceable way through screws.

Hot melt extrusion feed base core mantle device, include: and the hot melt material is extruded into a cavity formed by the billet core sleeve die and the billet core through the extrusion screw extrusion gun body to form a pre-formed blank.

Has the advantages that: the utility model carries out the improvement of one film for multiple purposes on the traditional blank core mould, carries out revolutionary improvement on the blank core mould of the traditional plastic bottle blowing opening and closing machine, improves the traditional single-side integral structure and the blank core mould which needs to be integrally replaced into a rotary moving blank core mould device which is provided with blank cores on the two sides and can respectively and individually replace the blank core base, thus realizing the production of plastic bottle blowing while forming a pre-blank, simultaneously the utility model discloses utilize bottle blowing plastic material melting point (150 ℃ -180 ℃) to be less than the poor characteristic of melting point temperature of teflon, provide a rotatory removal base mandrel utensil device that can permanent automatic demoulding, very big improvement blowing bottle production efficiency of enterprise, reduced the multiple mould equipment purchasing cost of blowing bottle of different specification and dimension, alleviateed the intensity of labour that the mould was changed, had great technological progress's beneficial effect.

Drawings

Fig. 1 is a schematic front view of the mold apparatus for a rotationally moving blank core shown in fig. 1;

FIG. 2 is a schematic left side view of the base of the core mold assembly for rotational movement;

fig. 3 is a schematic front view of a multi-purpose rotary core moving bottle blowing machine which is matched with a rotary moving blank core mold device.

In the figure: 1. the device comprises an upper base, 2 parts of a transverse sliding hole, 3 parts of a lower base, 4 parts of a transverse sliding rod, 5 parts of a rack, 6 parts of a rack groove, 7 parts of a rotary moving blank core die device, 8 parts of a synchronous motor, 9 parts of a synchronous gear, 10 parts of an upper rotating shaft, 11 parts of a lower rotating shaft, 12 parts of a bearing, 13 parts of a rotating body driving motor, 14 parts of a rotary driven gear, 15 parts of a rotary driving gear, 16 parts of a blank core seat, 17 parts of a blank core, 18 parts of an air pipe, 19 parts of a screw hole, 20 parts of a rotating body, 21 parts of a rotary ball, 22 parts of a hot melting extrusion feeding blank core die sleeve device, 23 parts of a blank core die sleeve, 24 parts of a screw extruder, 25 parts of a preform, 26 parts of a bottle body, 27 parts of a moving opening.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 "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.

In order to further understand the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, the present invention provides a rotary blank core mold device 7, including:

an upper base 1, wherein the front and the back sides of the upper base 1 are respectively provided with a transverse sliding hole 2 along the left and right direction, a lower base 3, the front and the back sides of the lower base 3 are respectively provided with a transverse sliding hole 2 along the left and right direction, each transverse sliding hole 2 on the upper base 1 and the lower base 3 is sleeved on an upper transverse sliding rod 4 and a lower transverse sliding rod 4 of two groups of two transverse sliding rods one by one, a rack 5 is arranged on each transverse sliding rod 4, a rack groove 6 is arranged on the transverse sliding hole 2 of the upper base 1, a rack groove 6 is arranged on the transverse sliding hole 2 of the lower base 3, the left ends of the transverse sliding rods 4 are correspondingly fixed on a supporting plate 29 one by one, the right ends of the transverse sliding rods 4 are correspondingly fixed on a left vertical plate 28, the upper end and the lower end of the right side of a rotary moving blank core mold device 7 are respectively provided with a transverse driving synchronous motor 8 of the rotary moving blank core mold device 7, a, an upper rotating shaft 10 and a lower rotating shaft 11 are respectively arranged at the center of the upper end and the lower end of a rotary moving blank core mold device 7, a bearing 12 is sleeved at the upper end of the upper rotating shaft 11 and the lower end of the lower rotating shaft 11, a rotary driven gear 14 is arranged at the lower end of the lower rotating shaft 11, a base of a rotary body driving motor 13 is fixed on a lower base 3, the rotary driven gear 14 is fixedly arranged on the rotating shaft of the rotary body driving motor 13, the rotary driven gear 14 is meshed with a rotary driving gear 15, the connecting lines of the axes of the upper rotating shaft 10 and the lower rotating shaft 11 at the front surface and the back surface of a rotary body 20 are opposite to each other, 2-8 blank core seats 16 are uniformly arranged and detachably, a blank core 17 is arranged on each blank core seat 16, the inner cavity of the blank core 17 is communicated with an air pipe 18, the outer wall of the blank core 17 is coated with a Teflon (fluorinated ethylene propylene copolymer) stripping coating, locking screw holes 19 are, the opposite surfaces of the upper base 3, the lower base 3 and the rotating body 20 are provided with ball grooves 23, and the rotating balls 21 are placed in the ball grooves 23 in a rolling manner;

a movable bottle opening and closing mold seat 27 for bottle blowing production is arranged on the left side of the rotary moving blank core mold device 7, the movable bottle opening and closing mold seat 27 is sleeved on the two groups of the upper and lower transverse sliding rods 4, a synchronous motor 8 for driving the movable bottle opening and closing mold seat 27 to move along the transverse sliding rods 4 is arranged on the movable bottle opening and closing mold seat 27, and a hot melting extrusion feeding blank core film covering device 22 for forming a preform 25 is arranged on the right side of the rotary moving blank core mold device 7.

In preferred embodiment 1, a cavity 24 is formed between the core billet 17 and the core billet sleeve 23 on the side of the core billet mold device 7 opposite to the hot-melt extrusion feeding core sleeve film device 22, the screw extruder 24 injects hot melt into the cavity between the core billet sleeve film device 23 and the core billet 17 to form a preform 25, the core billet mold device 7 leaves the hot-melt extrusion feeding core sleeve film device 22 under the drive of the synchronous motor 8, the rotating body 20 rotates 180 degrees, the movable open-close bottle mold base 27 moves to close the right rotary moving core billet mold device 7 under the drive of the synchronous motor 8, meanwhile, the rotary moving core billet mold device 7 moves to the screw extruder 24 right under the drive of the synchronous motor 8, the core billet 17 extends into the core sleeve film 23, the convex table surface on the core base 16 abuts against the contact surface of the mouth of the core sleeve film 23, the screw extruder 24 injects hot melt into the cavity 24 between the core sleeve film device 23 and the core billet 17 to form the preform 25, meanwhile, the front opening-closing half bottle body and the rear opening-closing half bottle body are closed to clamp the preform 25, the end face of the closed bottle mouth abuts against a boss face on the preform core seat 16, air is introduced into an air pipe 18 in the preform core 17 to blow a bottle until the interior of the preform 25 is opened, and the bottle is attached to inner cavities of the front opening-closing half bottle body and the rear opening-closing half bottle body to form a bottle body 26.

The rotating body 20 moving the bottle opening and closing mold base 27 is driven by the synchronous motor 8 to leave the rotating blank core mold moving device 7, the rotating blank core mold moving device 7 is driven by the synchronous motor 8 to leave the hot melting extrusion feeding blank core film covering device 22, the rotating body 20 rotates in the reverse direction 180 degrees again to repeat the forming preform 25 and the bottle blowing process, the rotating body 20 rotates in the forward direction 180 degrees and rotates in the reverse direction 180 degrees to form the air pipe 18, and the winding and breaking of the air pipe 18 caused by the unidirectional rotation of the rotating body 20 can be prevented.

In the preferred embodiment 2, the outer surface of the preform core 17 is coated with a teflon (fluorinated ethylene propylene copolymer) release coating having a thickness of 0.01mm to 4 mm.

In preferred embodiment 3, the billet core 17 and the billet core holder 16 are replaceably fixed to the front and rear surfaces of the rotary body 20 by screws.

Preferred embodiment 4, a hot melt extrusion feedblock core sleeve apparatus 22, comprising: and a material extruding chamber, wherein a hopper is arranged at the upper part of the material extruding chamber, a screw extruder 24 and an extruding gun body are arranged at the positions which correspond to 2-8 billet core seats 16 one by one from top to bottom in the material extruding chamber, and the hot melt is extruded into a cavity formed by the billet core sleeve die 23 and the billet core 17 through the extruding screw extruder gun body to form a preform 25.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope of the present invention.

Claims

1. A mold device for a rotationally movable blank core, comprising:

the upper base is provided with a transverse sliding hole along the left-right direction at the front side and the rear side respectively, and the transverse sliding hole of the upper base is provided with a rack slot;

the front side and the rear side of the lower base are respectively provided with a transverse sliding hole along the left-right direction, and the transverse sliding holes of the lower base are provided with rack grooves;

the rotary body, set up the upper rotating shaft and lower spindle in the upper end and lower end centre of the rotary body respectively, the upper, middle part of the upper rotating shaft is fitted with the bearing, the middle part of the lower rotating shaft is fitted with the bearing, set up the rotatory driven gear in the lower end of the lower rotating shaft, the base of the core print seat rotary driving motor is fixed on lower base, the core print seat rotary driving motor is fixed with the rotatory driving gear in the spindle, the rotatory driving gear engages with rotatory driven gear, in the front of the rotary body and the back of the rotary body the axis line of the upper rotating shaft and corresponding rotary body center line position of the lower rotating shaft, arrange and set up multiple core print seats respectively evenly and detachably, set up the core print on the core print seat, the core print cavity communicates with air pipe, the core print coat of the print core coats with Teflon and takes off the membrane, set up the locking screw hole around the core print seat, the core print seat is fixed on the front and back of the, the rotary ball is placed in the ball groove in a rolling manner;

a billet core seat transverse driving synchronous motor is arranged on the right side of the transverse sliding holes of the upper base and the lower base, and a synchronous gear is arranged on a rotating shaft of the synchronous motor;

the transverse sliding holes on the upper base and the lower base are sleeved on a group of transverse sliding rods which are parallel to each other in a one-to-one correspondence mode, racks are arranged on the transverse sliding rods, and the racks are meshed with synchronous gears on the rotating shafts of the synchronous motors.

2. The core mold device for rotationally moving a slab as claimed in claim 1, wherein: the left ends of the transverse sliding rods are fixed at the upper, lower, front and rear four-corner positions of the supporting plate in a one-to-one correspondence manner, the right ends of the transverse sliding rods are fixed on the left vertical plate in a one-to-one correspondence manner, a movable bottle opening and closing mold device for bottle blowing production is arranged on the left side of the rotary moving blank core mold device, and the movable bottle opening and closing mold device is driven by synchronous motors at the upper, lower, front and rear four-corner positions of the device to synchronously move left and right along; the right side of the rotary moving blank core mold device is provided with a hot melting extrusion feeding blank core film covering device for forming a pre-blank.

3. The core mold device for rotationally moving a slab as claimed in claim 1, wherein: the rotary moving blank core mold device is abutted against the hot melting extrusion feeding blank core film covering device to perform preform operation under the transverse driving of the synchronous motor, the rotary moving blank core mold device leaves the hot melting extrusion feeding blank core film covering device to rotate 180 degrees to enter preparation for bottle blowing operation, the rotary body reversely rotates 180 degrees under the reverse rotation driving of the rotary synchronous motor, a blank core enters the operation of obtaining the preform, and the preform enters the bottle blowing operation.

4. The core mold device for rotationally moving a slab as claimed in claim 1, wherein: the thickness of the Teflon demoulding coating coated on the outer surface of the billet core is 0.01mm-4 mm.

5. The rotationally moving blank core mold device according to claim 1 or 2, characterized in that: the blank core and the blank core seat are fixed on the front and the back of the rotating body through screws in a replaceable way.