CN220447142U - Thermoplastic device of blow molding machine - Google Patents

Abstract

The utility model discloses a thermoplastic device of a blow molding machine, which comprises two side plate frames and a smooth rod fixedly arranged between the two side plate frames, wherein a servo motor is fixedly arranged at the outer side of one side plate frame, a bidirectional screw rod is fixedly arranged at the output end of the servo motor, two thermoplastic molding half molds are arranged between the bidirectional screw rod and the smooth rod, blow molding grooves are formed in the inner sides of the two thermoplastic molding half molds, demolding arc pushing plates are arranged on the inner side walls of the two blow molding grooves, and reset sliding rods extending to the outer parts of the thermoplastic molding half molds are fixedly arranged at the outer sides of the demolding arc pushing plates.

Description

Thermoplastic device of blow molding machine

Technical Field

The utility model relates to the technical field of thermoplastic molding of blow molding machines, in particular to a thermoplastic device of a blow molding machine.

Background

A blow molding machine is a plastic processing machine that blows out liquid plastic, and then uses the force of the air blown out by the machine to blow the plastic into a shaped mold cavity, thereby producing a product. The plastic device of the present common blow molding machine mainly comprises two shaping moulds which can be butted, after thermoplastic shaping, the blow molding machine drips the plastic between the two shaping moulds, the plastic drips are sealed in the mould cavity of the shaping mould by the mould closing, then the blow molding machine blows the plastic drips, and due to the action of the blowing, the plastic drips can be blown to air, so that the plastic drips fill the shaping mould cavity, and the blow molding product with a specific shape can be obtained after shaping. However, the applicant believes that the following disadvantages exist with conventional blow moulding machine thermoplastic devices:

the existing blow molding machine adopts a cylinder ejection mode to realize the die closing and the die separating of the thermoplastic forming die, the action jitter amplitude is large during the die closing and the die separating, and the whole thermoplastic forming is not smooth enough.

Disclosure of Invention

The utility model aims to provide a thermoplastic device of a blow molding machine, which solves the problem that the thermoplastic molding of the conventional thermoplastic device proposed in the background art is not smooth enough.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a thermoplastic device of blowing machine, includes two curb plate framves and the smooth pole of fixed setting between two curb plate framves, one of them the outside fixed mounting of curb plate frame has servo motor, servo motor's output is fixed to be provided with two-way lead screw, be equipped with two thermoplastic shaping halfprozier between two thermoplastic shaping halfprozier, two the inboard of thermoplastic shaping halfprozier has all been seted up the blow molding groove, two the inside wall in blow molding groove all is equipped with the drawing of patterns arc push pedal, the outside of drawing of patterns arc push pedal is fixed to be provided with the slide bar that resets that extends to the outside of thermoplastic shaping halfprozier, the one end of slide bar that resets is fixed to be provided with the pushing baffle, the surface of slide bar all overlaps and is equipped with reset spring, two all be equipped with cooling structure on the thermoplastic shaping halfprozier; the screw rod transmission mode is adopted, so that the mold closing and the mold separating of the two thermoplastic molding half molds are realized, the movement is stable and smooth, the cooling molding efficiency is high after the blow molding, and the demolding of the blow molding product can be assisted.

Preferably, the cooling structure comprises a cooling cavity arranged in the thermoplastic molding half die, and a cooling water outlet port and a cooling water inlet port which are communicated with the inside of the cooling cavity, wherein an electromagnetic valve is fixedly arranged in the middle of the cooling water inlet port, so that the thermoplastic molding half die can be rapidly cooled and molded.

Preferably, the bidirectional screw rod is rotatably arranged between the two side plate frames, screw rod sliding seats are fixedly arranged on the front surfaces of the thermoplastic molding half molds, the front surfaces of the two thermoplastic molding half molds are respectively arranged on the bidirectional screw rod through two screw rod sliding seat transmission, and a screw rod transmission mode is adopted to realize the mold closing and mold separating of the two thermoplastic molding half molds, so that the movement is stable and smooth.

Preferably, the back surfaces of the two thermoplastic molding half molds are fixedly provided with polished rod sliding blocks, and the back surfaces of the two thermoplastic molding half molds are respectively arranged on the polished rod in a sliding manner through the two polished rod sliding blocks, so that the sliding is stable and smooth.

Preferably, the two blow molding grooves are arranged opposite to each other, the mold closing is accurate, and no flaw is generated after blow molding.

Preferably, the both ends of side grillage are all fixed and are provided with the assembly otic placode, two a plurality of assembly lockholes have all been seted up to the surface of assembly otic placode, installation convenient to use.

Compared with the prior art, the utility model has the beneficial effects that: the thermoplastic molding device adopts a screw rod transmission mode to realize the mold closing and mold separating of two thermoplastic molding half molds, has stable and smooth movement and high cooling molding efficiency after blow molding, can assist in demolding of blow molding products, and has the characteristics of safety, reliability, high thermoplastic molding efficiency and convenient use.

Drawings

FIG. 1 is a schematic view of a thermoplastic apparatus of the present utility model;

FIG. 2 is a schematic view of the structure of a thermoplastic molding die half of the present utility model;

FIG. 3 is a side cross-sectional view of a thermoplastic mold half of the present utility model;

fig. 4 is a front cross-sectional view of a thermoplastic mold half of the present utility model.

In the figure: 1. a side plate frame; 2. a servo motor; 3. thermoplastic molding half mold; 4. a two-way screw rod; 5. a smooth rod; 6. a screw rod sliding seat; 7. a polish rod slide block; 8. a blow molding tank; 9. assembling an ear plate; 10. assembling a lock hole; 11. a cooling water outlet port; 12. a cooling water inlet port; 13. an electromagnetic valve; 14. pushing the baffle; 15. a return spring; 16. resetting the slide bar; 17. a cooling chamber; 18. and (5) demolding the arc pushing plate.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the utility model provides a thermoplastic device of a blow molding machine, which comprises two side plate frames 1 and a smooth rod 5 fixedly arranged between the two side plate frames 1, wherein a servo motor 2 is fixedly arranged on the outer side of one side plate frame 1, a bidirectional screw rod 4 is fixedly arranged at the output end of the servo motor 2, two thermoplastic mold halves 3 are arranged between the bidirectional screw rod 4 and the smooth rod 5, blow molding grooves 8 are respectively arranged on the inner sides of the two thermoplastic mold halves 3, demolding arc pushing plates 18 are respectively arranged on the inner side walls of the two blow molding grooves 8, a reset slide rod 16 extending to the outer sides of the thermoplastic mold halves 3 is fixedly arranged on the outer sides of the demolding arc pushing plates 18, a pushing plate 14 is fixedly arranged at one end of the reset slide rod 16, a reset spring 15 is respectively sleeved on the surface of the reset slide rod 16, cooling structures are respectively arranged on the two thermoplastic mold halves 3, the two thermoplastic mold halves 8 are oppositely arranged, an assembly lug plate 9 is respectively fixedly arranged at two ends of the side plate 1, and a plurality of assembly lock holes 10 are respectively arranged on the surfaces of the two assembly lug plates 9;

when the molding machine is used, after molding, the servo motor 2 drives the bidirectional screw rod 4 to rotate anticlockwise, so that the two thermoplastic molding half molds 3 are separated, in the separation process, the pushing baffle plate 14 contacts the extrusion side plate frame 1, so that the extrusion return spring 15 contracts, under the supporting top of the return slide rod 16, the blow molding product molded under extrusion by the demolding arc pushing plate 18 is automatically demolded, and the thermoplastic molding efficiency is high.

Referring to fig. 1, 2 and 3, further, the cooling structure comprises a cooling cavity 17 arranged inside the thermoplastic molding half mold 3, and a cooling water outlet port 11 and a cooling water inlet port 12 which are communicated with the inside of the cooling cavity 17, wherein an electromagnetic valve 13 is fixedly arranged in the middle of the cooling water inlet port 12;

when the device is used, after blow molding, the electromagnetic valve 13 is opened, cooling water flows into the cooling cavity 17 through the cooling water inlet port 12, contacts with a blow molding product in the blow molding groove 8 for heat exchange, and is discharged through the cooling water outlet port 11, so that the cooling molding of the blow molding product is accelerated, and the efficiency of blow molding is improved.

Referring to fig. 1 and 2, further, a bidirectional screw rod 4 is rotatably arranged between two side plate frames 1, a screw rod sliding seat 6 is fixedly arranged on the front surface of a thermoplastic molding half mold 3, the front surfaces of the two thermoplastic molding half molds 3 are respectively arranged on the bidirectional screw rod 4 in a transmission manner through the two screw rod sliding seats 6, polished rod sliding blocks 7 are fixedly arranged on the back surfaces of the two thermoplastic molding half molds 3, and the back surfaces of the two thermoplastic molding half molds 3 are respectively arranged on a polished rod 5 in a sliding manner through the two polished rod sliding blocks 7;

when the plastic molding machine is used, the servo motor 2 works to drive the bidirectional screw rod 4 to rotate clockwise, the screw rod sliding seat 6 drives the two thermoplastic molding half molds 3 to slide on the smooth rod 5 relatively, plastic is glued and sealed in the two blow molding grooves 8, and the mold closing and separating of the two thermoplastic molding half molds 3 are realized, so that the movement is stable and smooth.

When the embodiment of the application is used, the following steps are adopted: the thermoplastic device is arranged on the blow molding machine through the assembly lug plate 9, the cooling water inlet port 12 and the external cooling water pipe connector are connected through the hose, the cooling water outlet port 11 is communicated with the drain pipe, the thermoplastic molding half die 3 is opposite to the extrusion port of the blow molding machine, during operation, the blow molding machine firstly extrudes a certain amount of plastic glue, then the servo motor 2 works to drive the bidirectional screw rod 4 to rotate clockwise, the screw rod sliding seat 6 drives the two thermoplastic molding half die 3 to slide relatively on the smooth rod 5, the plastic glue is sealed in the two blow molding grooves 8, then the blow molding machine blows air into plastic drops, the plastic drops expand and fill the blow molding grooves 8, meanwhile, the electromagnetic valve 13 is opened, the cooling water flows into the cooling cavity 17 through the cooling water inlet port 12, and is discharged through the cooling water outlet port 11 after contacting and exchanging heat with blow molded products in the blow molding grooves 8, so that cooling molding of the blow molded products is accelerated, the servo motor 2 drives the bidirectional screw rod 4 to rotate anticlockwise, the two thermoplastic molding half die frames 3 are separated, the push-baffle plate 14 contacts with the extrusion side 1 in the separation process, the extrusion return spring 15 is contracted, the blow molded products are automatically extruded under the reset sliding rod 16, and the extrusion efficiency of the blow molded products is high.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. Thermoplastic device of blowing machine, including two curb plate framves (1) and fixed smooth pole (5) that set up between two curb plate framves (1), its characterized in that: one of them the outside fixed mounting of curb plate frame (1) has servo motor (2), the fixed bi-directional lead screw (4) that is provided with of output of servo motor (2), be equipped with two thermoplastic shaping halfpace (3) between bi-directional lead screw (4) and smooth pole (5), two blow molding groove (8) have all been seted up to the inboard of thermoplastic shaping halfpace (3), two the inside wall in blow molding groove (8) all is equipped with drawing of patterns arc push pedal (18), the outside of drawing of patterns arc push pedal (18) is fixed to be provided with and extends to the outside slide bar (16) that resets of thermoplastic shaping halfpace (3), the fixed pushing away baffle (14) that is provided with of one end of slide bar (16), the surface of slide bar that resets (16) all overlaps and is equipped with reset spring (15), two all be equipped with cooling structure on the thermoplastic shaping halfpace (3).

2. A thermoplastic apparatus for a blow molding machine as in claim 1 wherein: the cooling structure comprises a cooling cavity (17) arranged in the thermoplastic molding half die (3), and a cooling water outlet port (11) and a cooling water inlet port (12) which are communicated with the inside of the cooling cavity (17), wherein an electromagnetic valve (13) is fixedly arranged in the middle of the cooling water inlet port (12).

3. A thermoplastic apparatus for a blow molding machine as in claim 1 wherein: the two-way screw rod (4) is rotatably arranged between the two side plate frames (1), screw rod sliding seats (6) are fixedly arranged on the front faces of the thermoplastic molding half molds (3), and the two front faces of the thermoplastic molding half molds (3) are respectively arranged on the two-way screw rod (4) through the two screw rod sliding seats (6) in a transmission mode.

4. A thermoplastic apparatus for a blow molding machine as in claim 1 wherein: the back surfaces of the two thermoplastic molding half molds (3) are fixedly provided with polished rod sliding blocks (7), and the back surfaces of the two thermoplastic molding half molds (3) are respectively arranged on the smooth rod (5) in a sliding way through the two polished rod sliding blocks (7).

5. A thermoplastic apparatus for a blow molding machine as in claim 1 wherein: the two blow molding grooves (8) are arranged opposite to each other.

6. A thermoplastic apparatus for a blow molding machine as in claim 1 wherein: the two ends of the side plate frame (1) are fixedly provided with assembly lug plates (9), and a plurality of assembly lock holes (10) are formed in the surfaces of the assembly lug plates (9).