CN210257224U

CN210257224U - High-precision bottle blowing mold

Info

Publication number: CN210257224U
Application number: CN201920874602.8U
Authority: CN
Inventors: 江懿; 江佩航
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: 2020-04-07
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a high accuracy bottle blowing mould, including base, fixed die plate, movable mould board and die block board, the recess is formed to the relative surperficial indent of movable mould board and fixed die plate, the recess upwards is provided with the bottle embryo and places the mouth, fixed die plate fixed mounting is in on the base, the die block board is just right fixed die plate and movable mould board set up, fixed die plate and movable mould board lower extreme are just being provided with the permission the gliding opening from top to bottom of die block board, fixed surface installs the sealing washer on the die block board, fixed mounting has hydraulic cylinder on the base, hydraulic cylinder's flexible end upwards holds in the palm the die block board, still be provided with the positioning mechanism who is used for advancing the location to the die block board on the base. The utility model provides a high accuracy bottle blowing mould, improvement machining precision that can be better, simple structure, convenient to use.

Description

High-precision bottle blowing mold

Technical Field

The utility model relates to a bottle blowing machine tool technical field, concretely relates to high accuracy 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.

But current forming die utilizes the die block to carry out the shaping to the bottle bottom when carrying out the shaping, but at the bottle blowing in-process, the die block will bear huge thrust, generally utilizes cylinder or hydro-cylinder to promote, can make cylinder or hydro-cylinder pressure increase, leads to piston rod wearing and tearing to appear revealing even, influences the formation of piston rod, and then leads to the die block position to change, influences the precision of the bottle of blowing at last.

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 can be better improvement machining precision, simple structure, convenient to use's high accuracy bottle blowing mould.

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

a high-precision bottle blowing mold comprises a base, a fixed mold plate, a movable mold plate and a bottom mold plate, wherein a groove is formed in the opposite surface of the movable mold plate and the fixed mold plate in a concave mode, a bottle blank placing opening is formed in the groove in the upward direction, the bottom mold plate is arranged right opposite to the fixed mold plate and the movable mold plate, a sealing ring is fixedly mounted on the upper surface of the bottom mold plate, a hydraulic oil cylinder is fixedly mounted on the base, the telescopic end of the hydraulic oil cylinder upwards supports the bottom mold plate, a positioning mechanism used for positioning the bottom mold plate is further arranged on the base, the fixed mold plate is fixedly mounted on the base through a first guide rod penetrating through the bottom mold plate, and the movable mold plate penetrates through a groove formed in the bottom mold plate through a second guide rod and is in.

In the technical scheme, when bottle blowing operation is performed on a bottle blank, the bottle blank is placed in a bottle blank placing opening, then a movable template moves towards a direction close to a fixed template to be matched, then a hydraulic oil cylinder acts to drive a bottom template to move upwards to be matched, then a positioning mechanism is used for positioning the bottom template, an air outlet of a bottle blowing machine blows air into the bottle blank, a cavity formed by a groove when the movable template and the fixed template are matched is used for molding the bottle blank, after molding, the hydraulic oil cylinder moves downwards to drive the bottom template to move downwards, the movable template moves towards a direction far away from the fixed template to be separated, the bottle body is manually taken down, and production and manufacturing are completed.

Furthermore, the positioning mechanism comprises a wedge block which is slidably mounted on the base, an inclined plane which is obliquely arranged is arranged on the wedge block, the outer end of the inclined plane is higher than the inner end of the inclined plane, a horizontally arranged air cylinder is fixedly mounted on the base opposite to the wedge block, and a piston rod of the air cylinder is fixedly connected with the wedge block.

Therefore, after the bottom template is supported by the hydraulic oil cylinder to move upwards to a preset length, namely after the piston rod of the hydraulic oil cylinder extends out of the position, the air cylinder acts to drive the wedge blocks to approach each other, the inclined plane arranged on the wedge blocks is used for clamping the bottom template, the bottom template is driven to move to an accurate position, and the problem that the bottle body is short in length due to the fact that the position of the bottom template cannot reach the preset position due to failure of the hydraulic oil cylinder is avoided.

Furthermore, two hydraulic oil cylinders are arranged at intervals, a horizontally arranged bottom template is fixedly installed at the upper ends of the hydraulic oil cylinders, and a bottom template detection mechanism is further arranged on the base and arranged between the two hydraulic oil cylinders.

Thus, the bottom die plate is supported by the bottom die plate. The bottom template detection mechanism detects whether the bottom template is in place, and if the bottom template is not in place, the machine needs to be stopped for maintenance, so that waste parts are reduced.

Further, die block board detection mechanism includes that the level sets up spout on the base, the spout sets up between two subtend setting's hydraulic cylinder just the spout sets up between two wedges, the slider is installed to the slider in the spout, fixed mounting has two driving motor on the base, two driving motor sets up respectively the both ends of spout, the equal fixed mounting of driving motor's output shaft has the reel, and the reel that sets up on one of them driving motor passes through first stay cord and slider fixed connection, the reel fixed connection that the slider set up on through second stay cord and another driving motor, the both ends of disconnection and disconnection are connected with force transducer respectively in the middle of the second stay cord, force transducer and display signal connection, the display is used for showing force transducer data.

Thus, the driving motor is operated when the position of the bottom template is detected. Keep away from the reel that sets up on the driving motor of slider and carry out the roll-up operation, the reel that is close to the driving motor of slider carries out the unwrapping wire operation, and first stay cord or second stay cord drive the slider and slide along the spout, and force sensor shows on being used for detecting pulling force data and the display. When the bottom template moves to a preset position, the upper end of the sliding block is not in contact with the lower end of the bottom template, and the detection result of the tension sensor is the friction force value between the sliding block and the sliding groove. If the bottom template does not move to the preset position, the upper end of the sliding block is in contact with the lower end of the bottom template or is clamped and connected with the lower end of the bottom template and cannot slide, the vertical position of the result detected by the tension sensor is larger than the vertical position of the friction force between the sliding block and the sliding groove, and therefore the fact that the bottom template does not move in place is indicated, and the machine needs to be stopped for. Specifically, the display can be observed manually and vertically, an alarm can be arranged, and when a certain numerical value is exceeded, an alarm is sent out to remind a user of paying attention.

Furthermore, a cooling mechanism is arranged between the fixed template and the movable template, the cooling mechanism comprises a water flow channel arranged in the fixed template and the movable template, and a water inlet and a water outlet of the water flow channel are arranged downwards.

Like this, can follow the water inlet and intake, water flows through rivers passageway and delivery port, takes away the heat on fixed die plate and the movable mould board, and bottle shaping is accelerated.

Further, the lower end of the second guide rod is provided with a roller, the base is provided with a track, and the roller is matched in the track.

Therefore, the movable template can be better supported, the friction force is reduced, and the stability is improved.

To sum up, the utility model provides a high accuracy bottle blowing mould, improvement machining precision that can be better, simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of a high-precision bottle blowing mold according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a-a of fig. 1.

Fig. 3 is a left side view of fig. 1.

Fig. 4 is a right side view of fig. 1.

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

FIG. 6 is a schematic view of the structure C-C in FIG. 5.

Detailed Description

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

As shown in fig. 1-6, a high-precision bottle blowing mold comprises a base 1, a fixed mold plate 2, a movable mold plate 3 and a bottom mold plate 4, wherein a groove 5 is formed in the opposite surface of the movable mold plate 3 and the fixed mold plate 2, a bottle blank placing opening 51 is upwards arranged on the groove 5, the bottom mold plate 4 is arranged right opposite to the fixed mold plate 2 and the movable mold plate 3, a hydraulic oil cylinder 11 is fixedly arranged on the base 1, the bottom mold plate 4 is upwards supported by the telescopic end of the hydraulic oil cylinder 11, a positioning mechanism for positioning the bottom mold plate 4 is further arranged on the base 1, the fixed mold plate 2 is fixedly arranged on the base 1 through a first guide rod penetrating through the bottom mold plate 41, and the movable mold plate 3 is in sliding connection with the base 1 through a second guide rod 42 penetrating through a slot 43 formed in the bottom mold plate 4.

Furthermore, the positioning mechanism comprises a wedge block 6 slidably mounted on the base 1, an inclined plane obliquely arranged is arranged on the wedge block 6, the outer end of the inclined plane is higher than the inner end of the inclined plane, a horizontally arranged cylinder 61 is fixedly mounted on the base 1 just opposite to the wedge block 6, and a piston rod of the cylinder 61 is fixedly connected with the wedge block 6.

Furthermore, two hydraulic oil cylinders 11 are arranged at intervals, a horizontally arranged bottom template 12 is fixedly installed at the upper ends of the hydraulic oil cylinders 11, and a bottom template detection mechanism is further arranged on the base 1 and arranged between the two hydraulic oil cylinders 11.

Further, the bottom die plate detection mechanism comprises a sliding groove 13 horizontally arranged on the base 1, the sliding groove 13 is arranged between two hydraulic oil cylinders 11 oppositely arranged, the sliding groove 13 is arranged between two wedges 6, a sliding block 7 is arranged on the sliding block in the sliding groove 13, two driving motors 71 are fixedly arranged on the base 1, the two driving motors 71 are respectively arranged at two ends of the sliding groove 13, reels 72 are fixedly arranged on output shafts of the driving motors 71, the reel arranged on one driving motor 71 is fixedly connected with the sliding block 7 through a first pull rope 73, the sliding block 7 is fixedly connected with the reel 72 arranged on the other driving motor 71 through a second pull rope 74, two disconnected ends in the middle of the second pull rope 74 are respectively connected with a tension sensor 75, and the tension sensor 75 is in signal connection with a display 76, the display is used for displaying the data of the tension sensor.

Further, be provided with cooling body between fixed die plate 2 and the movable mould board 3, cooling body is including setting up the rivers passageway 8 in fixed die plate 2 and the movable mould board 3, the water inlet and the delivery port of rivers passageway 8 set up downwards.

Further, a roller 31 is installed at the lower end of the second guide rod 42, and a track 32 is arranged on the base 1, and the roller is matched in the track.

The working principle and the flow are as follows:

when the bottle blowing machine is used, when bottle blowing operation is carried out on a bottle blank, the bottle blank is placed in a bottle blank placing opening, then the movable template moves towards the direction close to the fixed template to be matched, then the hydraulic oil cylinder moves to drive the bottom template to move upwards to be matched, then the air cylinder moves to drive the wedge block to move to position the bottom template, then the driving motor moves to drive the sliding block to slide, whether the position of the bottom template is in place is detected by the sliding block, after the bottom template is in place, air is blown into the bottle blank from an air outlet of the bottle blowing machine, the bottle blank is formed by using a cavity formed by the groove when the movable template and the fixed template are matched, after forming, the hydraulic oil cylinder moves downwards to drive the bottom template to move downwards, the movable template moves towards the direction far away from the fixed template to be separated, and the bottle body is. If not in place, the machine is stopped for maintenance.

The hydraulic cylinder, the tension sensor and the driving motor are all electrically connected with the single chip microcomputer.

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. A high-precision bottle blowing mold is characterized by comprising a base, a fixed mold plate, a movable mold plate and a bottom mold plate, wherein a groove is formed in the opposite surface of the movable mold plate and the fixed mold plate in a concave mode, a bottle blank placing opening is formed in the upward direction of the groove, the bottom mold plate is arranged right opposite to the fixed mold plate and the movable mold plate, a sealing ring is fixedly installed on the upper surface of the bottom mold plate, a hydraulic oil cylinder is fixedly installed on the base, the telescopic end of the hydraulic oil cylinder upwards supports the bottom mold plate, a positioning mechanism used for positioning the bottom mold plate is further arranged on the base, the fixed mold plate is fixedly installed on the base through a first guide rod penetrating through the bottom mold plate, and the movable mold plate penetrates through a groove formed in the bottom mold plate through a second guide rod to be in sliding.

2. A high-precision bottle blowing mold as claimed in claim 1, wherein the positioning mechanism comprises a wedge block slidably mounted on the base, the wedge block has an inclined surface, the outer end of the inclined surface is higher than the inner end, a horizontally arranged cylinder is fixedly mounted on the base opposite to the wedge block, and a piston rod of the cylinder is fixedly connected with the wedge block.

3. The high-precision bottle blowing mold according to claim 2, wherein two hydraulic cylinders are provided, a horizontally arranged bottom template is fixedly installed at the upper end of each hydraulic cylinder, and a bottom template detection mechanism is further arranged on the base and arranged between the hydraulic cylinders.

4. A high-precision bottle blowing mold as in claim 3, wherein the bottom die plate detection mechanism comprises a chute horizontally arranged on the base, the chute is arranged between two oppositely arranged hydraulic cylinders and between two wedges, a slide block is mounted on the slide block in the chute, two driving motors are fixedly mounted on the base, the two driving motors are respectively arranged at two ends of the chute, reels are fixedly mounted on output shafts of the driving motors, the reel arranged on one driving motor is fixedly connected with the slide block through a first pull rope, the slide block is fixedly connected with the reel arranged on the other driving motor through a second pull rope, tension sensors are respectively connected with two disconnected ends of the second pull rope, and the tension sensors are in signal connection with a display, the display is used for displaying the data of the tension sensor.

5. A high-precision bottle blowing mold according to claim 4, wherein a cooling mechanism is arranged between the fixed mold plate and the movable mold plate, the cooling mechanism comprises a water flow channel arranged in the fixed mold plate and the movable mold plate, and a water inlet and a water outlet of the water flow channel are arranged downwards.

6. A high-precision bottle blowing mold as claimed in claim 5, wherein the lower end of the second guide rod is provided with a roller, the base is provided with a track, and the roller is fitted in the track.