CN112757595A

CN112757595A - PET bottle embryo mould

Info

Publication number: CN112757595A
Application number: CN202011533974.8A
Authority: CN
Inventors: 衷俊; 尹盼盼
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-05-07

Abstract

The invention relates to the field of PET bottle blank molds, in particular to a PET bottle blank mold which comprises a cooling mechanism, a main body, a hydraulic rod, a preheating mechanism, a control mechanism, an adjusting mechanism and a heating plate, wherein when molten plastic enters the main body, low-temperature cooling oil in a water cooling machine enters the main body, so that the temperature of the cooling oil absorbing heat in the main body and the plastic is continuously increased, the plastic is cooled and formed in the main body, meanwhile, hot oil penetrates through the control mechanism and the adjusting mechanism to enter the preheating mechanism, the high-temperature oil is stored in the preheating mechanism firstly, and the oil flowing out of the main body at the later stage enters the cooling mechanism again to be cooled, so that the efficiency of the cooling mechanism is reduced; when two main parts fold the use gradually, preheat the inside high temperature oil entering main part of mechanism this moment, make oil in the inside from the bottom up motion of main part, make the inside oil of preheating the mechanism preheat for the mould, the rational utilization heat makes things convenient for people to use.

Description

PET bottle embryo mould

Technical Field

The invention relates to the field of PET bottle preform molds, in particular to a PET bottle preform mold.

Background

The PET bottle base is typical injection moulding product, and the transportation of being convenient for is mostly the plastics material, and the texture is even, has good insulating nature, is the intermediate product of plastic bottle, machine oil bucket.

Inside back of getting into the mould is moulded plastics with the raw materials to the injection molding machine, need cool down with the inside of low temperature oil injection mould, make the raw materials at the inside cooling shaping of mould, the temperature of the inside oil that flows out from the mould risees, and the inside that oil need let in the cold water machine again cools off, and the heat in the oil can not utilize, and the too high power that needs to strengthen the cold water machine of oil temperature has increased manufacturing cost simultaneously.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a PET bottle blank mold.

The technical scheme adopted by the invention for solving the technical problems is as follows: a PET bottle blank mold comprises a cooling mechanism, a main body, a hydraulic rod, a preheating mechanism, a control mechanism, an adjusting mechanism and a heating plate, wherein one end of the hydraulic rod is connected with the main body for producing PET bottle blanks, one end of the main body is connected with the cooling mechanism for cooling and molding raw materials, the preheating mechanism for preheating the main body is installed at the bottom end of the main body, and the heating plate for heat preservation is installed at the bottom end of the preheating mechanism; the bottom installation of main part is used for discharging the inside cooling oil of main part control mechanism, control mechanism's bottom installation is used for with the inside high temperature cooling oil of main part is stored inside preheating mechanism adjustment mechanism, just adjustment mechanism's top is connected cooling mechanism's lateral wall.

Preferably, the main body comprises a groove, a template and a fixing rod, the side wall of the template is connected with the hydraulic rod, and the groove is arranged on the side wall of the template at equal intervals; one end of the fixing rod is fixedly connected with the hydraulic rod, and the fixing rod is connected with the inside of the groove in a sliding mode.

Preferably, the preheating mechanism comprises a box body, a rubber rod, a preheating groove, a first hose, a fixed funnel, a first floating ball, a filter screen, a rubber pad and a partition plate, the box body is arranged at the bottom end of the template, and the rubber pad is connected with the interior of the box body in a sliding manner; one end of the rubber pad is provided with the rubber rod, and the rubber rod is connected with the side wall of the hydraulic rod; the preheating groove is formed in the template, and the partition plate is arranged in the middle of the side wall of the preheating groove; the bottom end of the template is fixedly connected with the first hose, and two ends of the first hose are respectively connected with the bottom end of the preheating groove and the top surface of the box body; the fixed funnel is arranged at the top end of the first hose, and the inner part of the fixed funnel is clamped and is in sliding connection with the first floating ball; the filter screen is installed to the top inside wall of first hose, the bottom surface of filter screen is contradicted first floater.

Preferably, the length of the preheating groove is greater than that of the partition plate, the section of the preheating groove is semicircular, and the heating plate is mounted on the bottom surface of the box body.

Preferably, the control mechanism comprises a compression rod, a spring, a second hose and a piston, two ends of the second hose are respectively connected with the middle part of the top surface of the box body and the bottom end of the preheating groove, the piston is connected inside the second hose in a sliding manner, the pistons are symmetrically installed on the side wall of the compression rod, the spring is sleeved on the side wall of the compression rod, and one end of the spring is fixedly connected with the inside of the template; the lateral wall of hydraulic stem installs the compression bar, the compression bar is contradicted the one end of depression bar.

Preferably, the adjusting mechanism comprises a filter cylinder, a second floating ball, an electromagnetic valve, a feeding pipe and a connecting pipe, the top end of the box body is fixedly connected with the connecting pipe, and the feeding pipe is communicated with the bottom end of the second hose; the bottom end of the feeding pipe is provided with the filter cylinder, and the interior of the filter cylinder is connected with the second floating ball in a sliding manner; the inside fixed connection both ends of connecting pipe are the infundibulate the inlet pipe, the lateral wall installation of inlet pipe the solenoid valve, just the second floater block the bottom of inlet pipe.

Preferably, the cooling mechanism comprises a water cooler, a first corrugated pipe and a second corrugated pipe, the two ends of the first corrugated pipe are respectively connected with the top end of the connecting pipe and the side wall of the water cooler, the two ends of the second corrugated pipe are respectively connected with the side wall of the water cooler and the top end of the preheating tank, and the water cooler is electrically connected with the electromagnetic valve.

The invention has the beneficial effects that:

(1) according to the PET bottle blank mold, after molten plastic enters the main body, low-temperature cooling oil in the water cooler enters the main body, the cooling oil moves in a zigzag mode from top to bottom in the main body, so that the temperature of the cooling oil absorbing heat in the main body and the plastic is increased continuously, the plastic is cooled and formed in the main body, meanwhile, hot oil penetrates through the control mechanism and the adjusting mechanism and enters the preheating mechanism, the temperature of the oil discharged from the inside of the main body and the inside of the main body is lower and lower along with the fact that the low-temperature cooling oil enters the main body continuously, the high-temperature oil is stored in the preheating mechanism first, the oil flowing out of the main body in the later stage enters the cooling mechanism again to be cooled, and the efficiency of the cooling mechanism is reduced.

(2) According to the PET bottle blank mold, when the two main bodies are gradually folded for use, high-temperature oil in the preheating mechanism enters the main bodies, the oil moves from bottom to top in the main bodies, the oil in the preheating mechanism preheats the mold, heat is reasonably utilized, and the PET bottle blank mold is convenient for people to use.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a PET bottle preform mold according to a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of the template structure shown in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the form shown in FIG. 1;

FIG. 4 is an enlarged view of the structure at A shown in FIG. 3;

FIG. 5 is a schematic view of the internal structure of the case shown in FIG. 1;

fig. 6 is a schematic view of the preheating tank shown in fig. 3.

In the figure: 1. cooling mechanism, 11, water chiller, 12, first bellows, 13, second bellows, 2, main body, 21, groove, 22, template, 23, fixed rod, 3, hydraulic rod, 4, preheating mechanism, 41, box, 42, rubber rod, 43, preheating groove, 44, first hose, 45, fixed funnel, 46, first float, 47, filter screen, 48, rubber pad, 49, partition, 5, control mechanism, 51, compression rod, 52, compression rod, 53, spring, 54, second hose, 55, piston, 6, adjusting mechanism, 61, filter cartridge, 62, second float, 63, solenoid valve, 64, feed pipe, 65, connecting pipe, 7, heating plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the PET bottle preform mold of the present invention comprises a cooling mechanism 1, a main body 2, a hydraulic rod 3, a preheating mechanism 4, a control mechanism 5, an adjusting mechanism 6 and a heating plate 7, wherein one end of the hydraulic rod 3 is connected to the main body 2 for producing PET bottle preforms, one end of the main body 2 is connected to the cooling mechanism 1 for cooling and molding raw materials, the preheating mechanism 4 for preheating the main body 2 is installed at the bottom end of the main body 2, and the heating plate 7 for preserving heat is installed at the bottom end of the preheating mechanism 4; the bottom installation of main part 2 is used for discharging the inside cooling oil of main part 2 control mechanism 5, the bottom installation of control mechanism 5 is used for with the inside high temperature cooling oil of main part 2 is stored inside preheating mechanism 4 adjustment mechanism 6, just adjustment mechanism 6's top is connected the lateral wall of cooling mechanism 1.

Specifically, the main body 2 comprises a groove 21, a template 22 and a fixing rod 23, the side wall of the template 22 is connected with the hydraulic rod 3, and the grooves 21 are equidistantly arranged on the side wall of the template 22; one end of the fixing rod 23 is fixedly connected with the hydraulic rod 3, the fixing rod 23 is connected with the inside of the groove 21 in a sliding mode, in order to facilitate the mutual approaching of the templates 22, the fixing rod 23 enters the inside of the groove 21 and seals one end of the groove 21, melted plastic enters the fixing rod 23 and the space between the grooves 21, and the plastic is cooled and formed between the fixing rod 23 and the grooves 21.

Specifically, the preheating mechanism 4 comprises a box body 41, a rubber rod 42, a preheating groove 43, a first hose 44, a fixed funnel 45, a first floating ball 46, a filter screen 47, a rubber pad 48 and a partition 49, wherein the box body 41 is arranged at the bottom end of the template 22, and the rubber pad 48 is slidably connected inside the box body 41; one end of the rubber pad 48 is provided with the rubber rod 42, and the rubber rod 42 is connected with the side wall of the hydraulic rod 3; the preheating groove 43 is arranged in the template 22, and the partition 49 is arranged in the center of the side wall of the preheating groove 43; the bottom end of the template 22 is fixedly connected with the first hose 44, and two ends of the first hose 44 are respectively connected with the bottom end of the preheating groove 43 and the top surface of the box body 41; the fixed funnel 45 is mounted at the top end of the first hose 44, and the first floating ball 46 is clamped and connected in a sliding manner inside the fixed funnel 45; the filter screen 47 is installed on the inner side wall of the top end of the first hose 44, the bottom surface of the filter screen 47 abuts against the first floating ball 46, when the hydraulic rod 3 drives the two templates 22 to approach each other, the hydraulic rod 3 pushes the rubber rod 42 and the rubber pad 48 to move in the box body 41, the rubber pad 48 moves to squeeze the oil in the box body 41, the oil reversely squeezes the rubber pad 48 to expand the rubber pad 48 in the box body 41, so that the rubber pad 48 is convenient to cling to the inner side wall of the box body 41 to move, the rubber pad 48 squeezes the oil in the box body 41 to enable the oil to penetrate through the first hose 44, the fixed funnel 45 and the filter screen 47 to enter the preheating groove 43, the partition board 49 is installed in the preheating groove 43 to facilitate the partition board 49 to block the oil to move, so that the oil moves in a zigzag manner in the preheating groove 43, the high temperature oil is used for preheating the template 22, and when the rubber pad 48 stops moving, the first floating ball 46 moves downwards, so that the fixed funnel 45 is sealed by the first floating ball 46, and the oil in the preheating groove 43 is prevented from flowing back to enter the box body 41.

Specifically, in order to facilitate one end of the partition 49 to close one end of the preheating groove 43, the length of the preheating groove 43 is greater than that of the partition 49, and a gap is formed between the other end of the partition 49 and the other end of the preheating groove 43, so that oil can move in the preheating groove 43; the section of the preheating groove 43 is semicircular, and the heating plate 7 is installed on the bottom surface of the case 41, so that the oil is preheated for the groove 21 in order to facilitate the oil to be stored in the preheating groove 43.

Specifically, the control mechanism 5 comprises a compression rod 51, a compression rod 52, a spring 53, a second hose 54 and a piston 55, wherein two ends of the second hose 54 are respectively connected with the central part of the top surface of the box body 41 and the bottom end of the preheating groove 43, the piston 55 is connected in the second hose 54 in a sliding manner, the pistons 55 are symmetrically installed on the side walls of the compression rod 52, the spring 53 is sleeved on the side walls of the compression rod 52, and one end of the spring 53 is fixedly connected with the inside of the template 22; the compression rod 51 is installed on the side wall of the hydraulic rod 3, the compression rod 51 abuts against one end of the compression rod 52, so that in order to facilitate the hydraulic rod 3 driving the fixing rod 23 to enter the inside of the groove 21, the hydraulic rod 3 driving the compression rod 51 to move towards the direction of the compression rod 52, the compression rod 51 pressing the compression rod 52, the compression rod 52 moving to compress the spring 53, and simultaneously the compression rod 52 moving to drive the piston 55 moving, the piston 55 moving to open the top end of the second hose 54, so that the oil inside the preheating groove 43 is discharged through the second hose 54.

Specifically, the adjusting mechanism 6 includes a filter cartridge 61, a second floating ball 62, a solenoid valve 63, a feeding pipe 64 and a connecting pipe 65, the connecting pipe 65 is fixedly connected to the top end of the box 41, and the feeding pipe 64 is communicated with the bottom end of the second hose 54; the bottom end of the feeding pipe 64 is provided with the filter cylinder 61, and the interior of the filter cylinder 61 is slidably connected with the second floating ball 62; the inside of the connecting pipe 65 is fixedly connected with the feeding pipe 64 with funnel-shaped two ends, the electromagnetic valve 63 is installed on the side wall of the feeding pipe 64, and the second floating ball 62 is fastened to the bottom end of the feeding pipe 64, so that in order to facilitate the cold oil in the water chiller 11 to enter the inside of the connecting pipe 65 from the preheating groove 43 and the second hose 54, the oil temperature of the oil discharged from the template 22 is high, the electromagnetic valve 63 is opened at the same time, the oil with high oil temperature penetrates through the connecting pipe 65 to enter the inside of the box body 41, when the inside of the box body 41 is filled to seven degrees with the high-temperature oil, the second floating ball 62 moves upwards in the filter cartridge 61, the feeding pipe 64 is sealed by the second floating ball 62, and the oil entering the inside of the connecting pipe 65 enters the water chiller 11.

Specifically, the cooling mechanism 1 includes a water chiller 11, a first corrugated pipe 12 and a second corrugated pipe 13, the two ends of the first corrugated pipe 12 are respectively connected to the top end of the connecting pipe 65 and the side wall of the water chiller 11, the two ends of the second corrugated pipe 13 are respectively connected to the side wall of the water chiller 11 and the top end of the preheating tank 43, the water chiller 11 is electrically connected to the electromagnetic valve 63, so that the oil inside the connecting pipe 65 can enter the water chiller 11 through the first corrugated pipe 12, and the cooled oil can enter the inside of the template 22 again through the second corrugated pipe 13, so that the oil cools the template 22.

When the heating device is used, the heating device is externally connected with a power supply, the heating plate 7 is turned on, and the heating coil in the heating plate 7 generates heat to enable the heat to enter the box body 41. When the templates 22 are close to each other, the fixing rod 23 enters the inside of the groove 21, one end of the groove 21 is sealed, and melted plastic is injected between the fixing rod 23 and the groove 21, so that the plastic is between the fixing rod 23 and the groove 21. Opening the water chiller 11, at this time, opening the electromagnetic valve 63, so that the low-temperature oil in the water chiller 11 enters the inside of the template 22 again through the second corrugated pipe 13, the oil meanders from top to bottom in the preheating tank 43, so that the oil absorbs the heat in the template 22 and the plastic, the cold oil in the water chiller 11 enters the inside of the connecting pipe 65 from the preheating tank 43 and the second hose 54, at this time, the oil temperature of the oil discharged from the template 22 is high, simultaneously, the electromagnetic valve 63 is opened, so that the oil with high oil temperature enters the inside of the box body 41 through the connecting pipe 65, and the oil temperature of the oil discharged from the inside of the template 22 gradually decreases as the cold oil in the water chiller 11 enters the inside of the template 22; when the tank 41 is filled to seven full with oil of high temperature, the second ball 62 moves upward inside the filter cartridge 61, so that the second ball 62 closes the feed pipe 64, and the oil introduced into the connecting pipe 65 enters the water chiller 11. After the bottle blank is formed, one of the hydraulic rods 3 is opened, the fixing rod 23 is pulled to move backwards, the fixing rod 23 drives the compression rod 51 to move, the compression rod 51 is separated from the compression rod 52, the spring 53 pushes the compression rod 52 to move towards the compression rod 51, the compression rod 52 drives the piston 55 to move, the piston 55 is clamped with the second hose 54, and the top end of the second hose 54 is closed. And opening the other two hydraulic rods 3 to gradually increase the distance between the two templates 22, and simultaneously driving the rubber rods 42 and the rubber pads 48 to move in the box body 41 to take out the bottle blanks between the templates 22. After the template 22 is used again, in the process of closing the template 22, the hydraulic rod 3 pushes the rubber rod 42 and the rubber pad 48 to move in the box body 41, the rubber pad 48 moves to extrude the oil in the box body 41, the oil reversely extrudes the rubber pad 48 to expand the rubber pad 48 in the box body 41, the rubber pad 48 is convenient to move tightly close to the inner side wall of the box body 41, the rubber pad 48 extrudes the oil in the box body 41, the oil penetrates through the first hose 44, the fixed funnel 45 and the filter screen 47 to enter the preheating groove 43, the partition 49 is arranged in the preheating groove 43 to facilitate the partition 49 to block the oil from moving, the oil moves in a zigzag manner in the preheating groove 43 to preheat the template 22 by high-temperature oil, and when the rubber pad 48 stops moving, the first floating ball 46 moves downwards, the first floating ball 46 seals the fixed funnel 45, and prevents the oil in the preheating groove 43 from flowing back into the tank 41. Open with dead lever 23 is connected hydraulic stem 3, make dead lever 23 get into in the recess 21, hydraulic stem 3 drives dead lever 23 gets into the inside of recess 21, hydraulic stem 3 drives compression pole 51 towards the direction motion of depression bar 52 makes compression pole 51 extrudees the depression bar 52, makes the depression bar 52 motion compression spring 53, simultaneously the depression bar 52 motion drives piston 55 motion, makes piston 55 motion opens the top of second hose 54, makes the inside oil of preheating tank 43 passes through second hose 54 discharges, and solenoid valve 63 closes this moment, makes oil pass through first Bowen's pipe 12 store get into in the cold water machine 11, to recess 21 pour into melted plastics into again can.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a PET bottle embryo mould which characterized in that: the PET bottle blank production device comprises a cooling mechanism (1), a main body (2), a hydraulic rod (3), a preheating mechanism (4), a control mechanism (5), an adjusting mechanism (6) and a heating plate (7), wherein one end of the hydraulic rod (3) is connected with the main body (2) for producing PET bottle blanks, one end of the main body (2) is connected with the cooling mechanism (1) for cooling and forming raw materials, the preheating mechanism (4) for preheating the main body (2) is installed at the bottom end of the main body (2), and the heating plate (7) for preserving heat is installed at the bottom end of the preheating mechanism (4); the bottom installation of main part (2) is used for discharging inside cooling oil of main part (2) control mechanism (5), the bottom installation of control mechanism (5) is used for with the inside high temperature cooling oil of main part (2) is stored inside preheating mechanism (4) adjustment mechanism (6), just the top of adjustment mechanism (6) is connected the lateral wall of cooling mechanism (1).

2. The PET bottle preform mold as claimed in claim 1, wherein: the main body (2) comprises a groove (21), a template (22) and a fixing rod (23), the side wall of the template (22) is connected with the hydraulic rod (3), and the groove (21) is arranged on the side wall of the template (22) at equal intervals; one end of the fixing rod (23) is fixedly connected with the hydraulic rod (3), and the fixing rod (23) is connected with the inner part of the groove (21) in a sliding mode.

3. The PET bottle preform mold as claimed in claim 2, wherein: the preheating mechanism (4) comprises a box body (41), a rubber rod (42), a preheating groove (43), a first hose (44), a fixed funnel (45), a first floating ball (46), a filter screen (47), a rubber pad (48) and a partition plate (49), the box body (41) is arranged at the bottom end of the template (22), and the rubber pad (48) is connected to the inside of the box body (41) in a sliding mode; one end of the rubber pad (48) is provided with the rubber rod (42), and the rubber rod (42) is connected with the side wall of the hydraulic rod (3); the preheating groove (43) is arranged in the template (22), and the partition plate (49) is arranged in the center of the side wall of the preheating groove (43); the bottom end of the template (22) is fixedly connected with the first hose (44), and two ends of the first hose (44) are respectively connected with the bottom end of the preheating groove (43) and the top surface of the box body (41); the fixed funnel (45) is arranged at the top end of the first hose (44), and the fixed funnel (45) is clamped and connected with the first floating ball (46) in a sliding manner; the filter screen (47) is installed on the inner side wall of the top end of the first hose (44), and the bottom surface of the filter screen (47) abuts against the first floating ball (46).

4. The PET bottle preform mold as claimed in claim 3, wherein: the length of the preheating groove (43) is larger than that of the partition plate (49), the section of the preheating groove (43) is semicircular, and the heating plate (7) is arranged on the bottom surface of the box body (41).

5. The PET bottle preform mold as claimed in claim 3, wherein: the control mechanism (5) comprises a compression rod (51), a compression rod (52), a spring (53), a second hose (54) and a piston (55), two ends of the second hose (54) are respectively connected with the middle part of the top surface of the box body (41) and the bottom end of the preheating groove (43), the piston (55) is connected in the second hose (54) in a sliding mode, the piston (55) is symmetrically installed on the side wall of the compression rod (52), the spring (53) is sleeved on the side wall of the compression rod (52), and one end of the spring (53) is fixedly connected with the inside of the template (22); the compression rod (51) is installed on the side wall of the hydraulic rod (3), and the compression rod (51) abuts against one end of the compression rod (52).

6. The PET bottle preform mold as claimed in claim 5, wherein: the adjusting mechanism (6) comprises a filter cylinder (61), a second floating ball (62), an electromagnetic valve (63), a feeding pipe (64) and a connecting pipe (65), the top end of the box body (41) is fixedly connected with the connecting pipe (65), and the feeding pipe (64) is communicated with the bottom end of the second hose (54); the bottom end of the feeding pipe (64) is provided with the filter cylinder (61), and the inside of the filter cylinder (61) is slidably connected with the second floating ball (62); the inside fixed connection both ends of connecting pipe (65) are infundibulate inlet pipe (64), the lateral wall installation of inlet pipe (64) solenoid valve (63), just second floater (62) block the bottom of inlet pipe (64).

7. The PET bottle preform mold of claim 6, wherein: the cooling mechanism (1) comprises a water cooler (11), a first corrugated pipe (12) and a second corrugated pipe (13), the two ends of the first corrugated pipe (12) are respectively connected with the top end of the connecting pipe (65) and the side wall of the water cooler (11), the two ends of the second corrugated pipe (13) are respectively connected with the side wall of the water cooler (11) and the top end of the preheating groove (43), and the water cooler (11) is electrically connected with the electromagnetic valve (63).