CN210415491U

CN210415491U - Die assembly linkage mechanism of bottle blowing die

Info

Publication number: CN210415491U
Application number: CN201920871869.1U
Authority: CN
Inventors: 曹文锋; 徐铅会
Original assignee: Zhongshan Jindong Machinery Co Ltd
Current assignee: Zhongshan Jindong Machinery Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-04-28
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a compound die link gear of bottle blowing mould, including base, fixed die plate and movable mould board, fixed die plate fixed mounting be in on the base, the recess that is used for the shaping is formed to the relative side surface indent of fixed die plate and movable mould board, the recess upwards all is provided with semicircular bottle embryo and places the mouth, still including being used for driving the movable mould board moves the locking mechanism with the compound die to the direction that is close to the fixed die plate, still be provided with on the base and be used for detecting the position detection mechanism that the movable mould board targets in place. The mechanism can better drive the movable template to move, and is reliable and stable.

Description

Die assembly linkage mechanism of bottle blowing die

Technical Field

The utility model relates to a bottle blowing machine tool technical field, concretely relates to compound die link gear of bottle blowing mould.

Background

The bottle blowing machine is a device for manufacturing plastic particles into hollow containers through a blow molding process, and the current common machines comprise a hollow extrusion blow molding machine which uses PP and PE for one-step molding, an injection stretch blow molding machine which uses PET, PC or PP for two-step molding, and a newly developed multilayer hollow extrusion blow molding and stretch blow molding.

At present, most bottle blowing machines are two-step bottle blowing machines, namely, plastic raw materials are made into bottle blanks firstly, and then blowing is carried out. Nowadays, environmental protection plastics made of PET are generally used. A blow molding machine: after the liquid plastic is sprayed, the plastic is blown to a mold having a predetermined shape by the wind force of a machine, which is called a blow molding machine, to produce a product. Also relates to a bottle blowing machine, namely a hydraulic bottle blowing machine.

The thermoplastic resin is extruded or injection molded to obtain tubular plastic parison, which is hot or heated to soften, and then placed in a split mold, after the mold is closed, compressed air is introduced into the parison to blow the plastic parison to cling to the inner wall of the mold, and after cooling and demolding, various hollow products are obtained. The industrial production of the die is used for obtaining various dies and tools of required products by methods such as injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and the like. In short, a mold is a tool used to shape an article, the tool being made up of various parts, and different molds being made up of different parts. At present, in the working process of the bottle blowing device, a forming mold is often used.

However, when the existing forming die is used for die assembly, the cylinder is used for pushing the fixed die plate to move, but along with the prolonging of the service time, the cylinder is damaged, so that the stroke of a piston rod of the cylinder is influenced, and the error occurs in a bottle body produced after die assembly, so that waste parts are generated.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a compound die link gear of bottle blowing mould that can be better compound die, the accuracy is high, and stability is strong.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the die assembly linkage mechanism of the bottle blowing die comprises a base, a fixed die plate and a movable die plate, wherein the fixed die plate is fixedly installed on the base, a groove for forming is formed in the surface of one side, opposite to the fixed die plate and the movable die plate, of the fixed die plate, a semicircular bottle blank placing opening is formed in the groove in an upward mode, the die assembly linkage mechanism further comprises a die assembly mechanism for driving the movable die plate to move in the direction close to the fixed die plate so as to assemble a die, and a position detection mechanism for detecting the in-place position of the movable die plate is further arranged on the base.

According to the technical scheme, the bottle blanks are placed in the bottle blank placing openings in the movable template, the die assembly mechanism drives the movable template to move, the die assembly mechanism stops moving after the position detection mechanism detects that the movable template is in place, the air outlet of the bottle blowing machine blows air into the bottle blanks, the movable template and the fixed template are used for forming, after forming, the die assembly mechanism reversely moves to divide the molds, and then the bottle bodies are manually taken down. The die assembly linkage mechanism can avoid the problems caused by the air cylinder, and has the advantages of simple structure, convenient use and strong reliability.

Further, the die clamping mechanism comprises a first fixing plate and a second fixing plate which are fixedly mounted on the base, the first fixing plate and the second fixing plate are respectively arranged on two sides of the movable die plate, which are opposite to each other, the die clamping mechanism further comprises a driving motor, a driving straight gear, four driven straight gears, four lead screws and four nuts, the driving motor is fixedly mounted on the first fixing plate, a driving gear shaft is arranged in the middle of the driving straight gear, the driving gear shaft is rotatably mounted on the first fixing plate, an output shaft of the driving motor is fixedly connected with the driving gear shaft, a driven gear shaft is arranged in the middle of the driven straight gear, the driven gear shaft is rotatably mounted on the first fixing plate, and the driving straight gear is in meshing transmission with the four driven straight gears; the lead screw penetrates through the through holes, an isomorphic bearing at one end of the lead screw is mounted on the second fixing plate, the other end of the lead screw penetrates through the through holes in the fixed template and the movable template and then is fixedly connected with the driven gear shaft, nuts are respectively screwed on the lead screw and are matched with the lead screw, and the nuts are fixedly mounted in the through holes formed in the movable template.

Thus, the driving motor acts to drive the driving straight gear to rotate, the driving straight gear drives the driven straight gear to rotate, the driven straight gear drives the lead screw to rotate, the lead screw drives the nut to move, and the nut drives the movable die plate to move, so that die assembly and die separation are realized. Simple structure and convenient use. The driving motor acts to drive the four driven straight gears to link, so that accurate movement of the movable template is better realized.

Furthermore, the position detection mechanism comprises a sliding groove arranged on the base, the sliding groove is parallel to the length direction of the lead screw, the lower end of the movable template is in sliding fit in the sliding groove, when the movable template slides to a standard position for closing the fixed template, the side face of the movable template is in contact with the side wall of the sliding groove, and the sliding groove is opposite to the side wall of the movable template and is fixedly provided with a push type switch.

Therefore, after the movable template moves in place, the movable template presses the pressing type switch, the switch is powered off, the driving motor stops acting, then the bottle blowing machine performs air blowing operation, and after air blowing is completed, the driving motor is electrified additionally, so that the driving motor rotates reversely, the lead screw is driven to rotate reversely, and mold separation is realized.

Further, the lower end of the movable template is provided with a roller, and the roller is matched in the sliding groove in a rolling manner.

Therefore, the friction force between the movable template and the sliding groove can be reduced, and the movement reliability is improved.

Furthermore, transverse plates are arranged on two sides of the bottle blank placing opening formed in the upper end of the movable template.

Therefore, the bottle blanks can be better placed.

To sum up, the utility model provides a compound die link gear of bottle blowing mould, realization movable mould board's that can be better motion, reliable and stable.

Drawings

Fig. 1 is a schematic structural diagram of a mold closing linkage mechanism of a bottle blowing mold according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the mold closing linkage mechanism of the bottle blowing mold shown in fig. 1 after mold closing.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a schematic structural diagram of a-a in fig. 3.

FIG. 5 is a schematic view of the structure of B-B in FIG. 1.

Fig. 6 is a circuit diagram of the die assembly linkage mechanism of the bottle blowing die.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-6, a mold closing linkage mechanism of a bottle blowing mold comprises a base 1, a fixed mold plate 2 and a movable mold plate 3, wherein the fixed mold plate 2 is fixedly installed on the base 1, a groove 4 for molding is formed in the surface of one side, opposite to the fixed mold plate 2 and the movable mold plate 3, of the fixed mold plate, the groove 4 is upwards provided with a semicircular bottle blank placing opening 41, the mold closing linkage mechanism further comprises a mold closing mechanism for driving the movable mold plate 3 to move in the direction close to the fixed mold plate so as to close the mold, and a position detection mechanism for detecting the in-place position of the movable mold plate 3 is further arranged on the base 1.

Further, the clamping mechanism comprises a first fixing plate 11 and a second fixing plate 12 which are fixedly arranged on the base 1, the first fixing plate 11 and the second fixing plate 12 are respectively arranged at two opposite sides of the movable template 3 and the fixed template 2, the die clamping mechanism also comprises a driving motor 5, a driving straight gear 51, four driven straight gears 52, four lead screws 53 and four nuts 54, the driving motor 5 is fixedly installed on the first fixing plate 11, a driving gear shaft is arranged in the middle of the driving spur gear 51, the driving gear shaft is rotatably arranged on the first fixing plate 11, the output shaft of the driving motor 5 is fixedly connected with the driving gear shaft, a driven gear shaft is arranged in the middle of the driven straight gear 52, the driven gear shaft is rotatably arranged on the first fixing plate 11, and the driving straight gear 51 is in meshing transmission with the four driven straight gears 52; the fixed die plate 2 and the movable die plate 3 are provided with four through holes in a penetrating mode, the through holes and the grooves 4 are arranged in a staggered mode, the through holes are formed in four corners of the fixed die plate 2 and the movable die plate 3, the lead screw 53 penetrates through the through holes, one end of the lead screw 53 is mounted on the second fixing plate 12 through a bearing in the same structure, the other end of the lead screw 53 penetrates through the through holes in the fixed die plate 2 and the movable die plate 3 and then is fixedly connected with the driven gear shaft, the lead screw 53 is respectively screwed and matched with a nut 54, and the nut 54 is fixedly mounted in the through holes formed in the movable die plate 3.

Further, the position detection mechanism comprises a sliding groove 6 arranged on the base 1, the sliding groove 6 is arranged in parallel with the length direction of the lead screw 53, the lower end of the movable template 3 is in sliding fit in the sliding groove 6, when the movable template 3 slides to a standard position for closing the fixed template 2, the side surface of the movable template 3 is in contact with the side wall of the sliding groove 6, and the sliding groove 6 is opposite to the side wall of the movable template 3 and is fixedly provided with a press type switch 61.

Further, the lower end of the movable mould plate 2 is provided with a roller 7, and the roller 7 is matched in the sliding groove 6 in a rolling manner.

Furthermore, transverse plates 8 are arranged on two sides of the bottle blank placing opening formed in the upper end of the movable template 3.

Therefore, the bottle blanks can be better placed.

The working principle and the flow are as follows:

when using, place the bottle embryo on the movable mould board and place mouthful in, the driving motor action, it rotates to drive initiative straight-teeth gear, initiative straight-teeth gear drives driven straight-teeth gear and rotates, driven straight-teeth gear drives the lead screw and rotates, the lead screw drives the nut and removes, the nut drives the movable mould board and removes, realize the compound die, the disconnection of push type switch, the driving motor action, driving motor stop motion, then the bottle blowing machine carries out the operation of blowing, after the completion of blowing, in addition to the driving motor circular telegram, make the driving motor reversal, drive the lead screw reversal, realize the die parting, later the manual work take off the bottle can.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The mold closing linkage mechanism of the bottle blowing mold is characterized by comprising a base, a fixed mold plate and a movable mold plate, wherein the fixed mold plate is fixedly installed on the base, grooves for molding are formed in the surfaces of one sides, opposite to the fixed mold plate and the movable mold plate, of the fixed mold plate, the grooves are upwards provided with semicircular bottle blank placing openings, the mold closing linkage mechanism further comprises a mold closing mechanism for driving the movable mold plate to move towards the direction close to the fixed mold plate so as to close a mold, and the base is further provided with a position detection mechanism for detecting the in-place position of the movable mold plate; the die closing mechanism comprises a first fixing plate and a second fixing plate which are fixedly installed on the base, the first fixing plate and the second fixing plate are respectively arranged on two sides of the movable die plate, which are opposite to each other, of the fixed die plate, the die closing mechanism further comprises a driving motor, a driving straight gear, four driven straight gears, four lead screws and four nuts, the driving motor is fixedly installed on the first fixing plate, a driving gear shaft is arranged in the middle of the driving straight gear, the driving gear shaft is rotatably installed on the first fixing plate, an output shaft of the driving motor is fixedly connected with the driving gear shaft, a driven gear shaft is arranged in the middle of the driven straight gear, the driven gear shaft is rotatably installed on the first fixing plate, and the driving straight gear is in meshing transmission with the four driven straight gears; four through holes are arranged on the fixed template and the movable template in a penetrating manner, the through holes and the grooves are arranged in a staggered manner, the through holes are arranged at four corners of the fixed template and the movable template, the lead screw penetrates through the through holes, one end of the lead screw is mounted on the second fixed plate through a bearing with the same structure, the other end of the lead screw penetrates through the through holes in the fixed template and the movable template and then is fixedly connected with the driven gear shaft, nuts are respectively screwed and matched on the lead screw, and the nuts are fixedly mounted in the through holes arranged in the movable template; the position detection mechanism comprises a sliding groove arranged on the base, the sliding groove and the lead screw are arranged in parallel in the length direction, the lower end of the movable template is in sliding fit in the sliding groove, when the movable template slides to a standard position for closing the fixed template, the side face of the movable template is in contact with the side wall of the sliding groove, and the sliding groove is opposite to the side wall of the movable template and is fixedly provided with a push type switch.

2. The mold closing linkage mechanism of a bottle blowing mold according to claim 1, wherein the lower end of the movable mold plate is provided with a roller, and the roller is in rolling fit in the chute.

3. The mold closing linkage mechanism of a bottle blowing mold according to claim 2, wherein horizontal plates are arranged on both sides of the bottle blank placing opening arranged at the upper end of the movable mold plate.