PET bottle blow molding device

Abstract

The utility model discloses a PET bottle blow molding device which comprises an installation frame and further comprises a rotating rod rotationally installed on the outer wall of the top of the installation frame, an electric rotating table is installed on the top of the installation frame, a rotating piece of the electric rotating table is connected with the top of the rotating rod, and a plurality of retainers distributed at equal intervals are rotationally installed on the outer wall of the rotating rod. According to the PET bottle blow molding device, bottle blanks can be placed on the holder, the rotating rod is driven by the electric rotating table to intermittently rotate by 90 degrees, the bottle blanks are subjected to position changing for blow molding, the PET bottles automatically slide off from the holder under the action of the discharging assembly in the rotating process after blow molding is completed, discharging is completed, and the PET bottle blow molding device is more convenient to use and higher in practicability. And through the arrangement of the air supply assembly and the rotating assembly, air can be blown to the interiors of the two split molds after the molds are subjected to blow molding and are separated, so that residual heat in the mold cavities is quickly diffused out, and the cooling effect on the molds is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PET bottle blow molding technical field, concretely is a PET bottle blow molding forming device. BACKGROUND

[0002] PET bottle refers to the plastic bottle made of polyethylene terephthalate (PET), which can be used to contain various liquid and solid products, such as beverages, edible oil, medicines, etc. PET bottle is formed by blow molding of heated bottle blank. When blow molding, the heated bottle blank is placed in the mold, high pressure gas is injected into the bottle blank, the bottle blank is fully inflated and adheres to the inner wall of the mold under the action of high pressure gas, and is shaped into the required PET bottle after cooling.

[0003] The current bottle blank is blow molded and shaped in the mold, and the PET bottle needs to be manually taken out of the mold after the mold is opened, which needs to be improved in convenience. At present, the mold is mainly cooled by setting a water cooling channel in the mold, but the residual heat in the cavity of the mold is difficult to quickly dissipate when the mold is separated, and the cooling effect needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a PET bottle blow molding forming device to solve the problems in the above background.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a PET bottle blow molding forming device, comprising: a mounting frame, further comprising: a rotating rod rotatably mounted on the top outer wall of the mounting frame, the top of the mounting frame is provided with an electric rotating table, and the rotating part of the electric rotating table is connected with the top of the rotating rod, a plurality of equidistantly distributed retaining frames are rotatably mounted on the outer wall of the rotating rod, and a blanking assembly is mounted on the inner wall of the bottom of the mounting frame, a double slide table linear motor is mounted on the inner wall of the bottom of the mounting frame, and a bracket is mounted on the top of each sliding part of the double slide table linear motor, a mold parting is fixed on the top of each bracket, a first electric push rod is mounted on the inner wall of the top of the mounting frame, a blow nozzle is mounted on the bottom of the piston rod of the first electric push rod, a high pressure gas pipe is connected with the top of the blow nozzle, a second electric push rod is mounted on the inner wall of the bottom of the mounting frame, an installation plate is mounted on the top of the piston rod of the second electric push rod, a rotating assembly is rotatably mounted on one end of the outer wall of the top of the installation plate, and a gas supply assembly is mounted on the bottom of the installation plate.

[0006] The blanking assembly comprises a vertical pipe, an arc-shaped groove opened on one end of the outer wall of the top of the vertical pipe and a blanking pipe connected to the outer wall on one side of the vertical pipe.

[0007] The gas supply assembly comprises a connecting plate, a gas supply pipe mounted on the connecting plate and a shunt pipe connected to the gas supply pipe.

[0008] The rotating assembly comprises a rotating tube, a plurality of air outlet holes arranged at equal intervals on the outer wall of the rotating tube, and a plurality of baffle plates arranged at equal intervals on the outer wall of the rotating tube.

[0009] One end of the air supply pipe is rotationally connected to the pipe opening at the bottom of the rotating tube.

[0010] The mounting frame is of a C-shaped structure, and the bottom of the mounting frame is fixed by bolts.

[0011] Compared with the prior art, the PET bottle blow molding device has the following beneficial effects:

[0012] The PET bottle blow molding device can place the bottle blank on the holding frame, drive the rotating rod to rotate intermittently by 90 degrees through the electric rotating table, blow mold the bottle blank after position change, and make the PET bottle automatically slide off the holding frame under the action of the discharging assembly during the rotating process after blow molding, so that the discharging is completed, and the device is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is an external view structure of the PET bottle blow molding device;

[0014] Fig. 2 It is a discharging assembly structure of the PET bottle blow molding device;

[0015] Fig. 3 It is a structure of the air supply assembly and the rotating assembly of the PET bottle blow molding device.

[0016] In the drawings: 1, mounting frame; 2, rotating rod; 3, electric rotating table; 4, holding frame; 5, discharging assembly; 501, vertical pipe; 502, arc-shaped groove; 503, discharging pipe; 6, double slide table linear motor; 7, support; 8, split mold; 9, first electric push rod; 10, air blowing nozzle; 11, high-pressure air pipe; 12, second electric push rod; 13, mounting plate; 14, air supply assembly; 1401, air supply pipe; 1402, shunt pipe; 1403, connecting plate; 15, rotating assembly; 1501, rotating tube; 1502, air outlet hole; 1503, baffle plate; 16, bottle blank. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. DETAILED DESCRIPTION

[0018] Please refer to Figs. 1-3 The utility model provides a PET bottle blow molding device, it includes: mounting bracket 1, still include: the rotation installation on the top outer wall of mounting bracket 1's rotation rod 2, the top of mounting bracket 1 is equipped with electric rotary table 3, and electric rotary table 3 rotating part is connected with the top of rotation rod 2, the outer wall of rotation rod 2 is rotatably installed with a plurality of equidistance distribution's retainer 4, and the bottom inner wall of mounting bracket 1 is equipped with blanking assembly 5, the bottom inner wall of mounting bracket 1 is equipped with double slide platform linear motor 6, and the top of two sliding parts of double slide platform linear motor 6 is equipped with support 7, and the top of two supports 7 is fixed with split mould 8, and the top inner wall of mounting bracket 1 is equipped with first electric push rod 9, and the bottom of first electric push rod 9 piston rod is equipped with blow nozzle 10, and the top of blow nozzle 10 is connected with high pressure gas pipe 11, and the bottom inner wall of mounting bracket 1 is equipped with second electric push rod 12, and the top of second electric push rod 12 piston rod is equipped with mounting plate 13, and the top outer wall one end of mounting plate 13 is rotatably installed with rotating assembly 15, and the bottom of mounting plate 13 is equipped with gas supply assembly 14.

[0019] It needs to be explained here: two split moulds 8 are internally provided with cooling pipelines, and two split moulds 8 are connected with cooling water pipes at the bottom;

[0020] The bottle blank 16 can be placed on the retainer 4, the rotation rod 2 is driven by the electric rotary table 3 to rotate intermittently by 90°, the bottle blank 16 is turned to the middle of the two split moulds 8, at this time, the two split moulds 8 are combined by the double slide platform linear motor 6, the bottle blank 16 is covered, the blow nozzle 10 is inserted into the bottle blank 16 by the first electric push rod 9, the high-pressure gas is injected into the bottle blank 16, the bottle blank 16 is expanded and formed by adhering to the inner wall of the mold cavity, and after cooling and setting, the PET bottle is formed, the two split moulds 8 are separated by the double slide platform linear motor 6, at this time, the electric rotary table 3 continues to drive the rotation rod 2 to rotate by 90°, the PET bottle automatically slides off from the retainer 4 under the action of the blanking assembly 5, the blanking is completed, which is more convenient, after the two split moulds 8 are separated, the mounting plate 13 is raised by the second electric push rod 12, the rotating assembly 15 is raised to the middle of the two split moulds 8, the gas is supplied into the rotating assembly 15 by the gas supply assembly 14, and the gas is blown out by the rotating assembly 15, the gas supply assembly 14 drives the rotating assembly 15 to rotate during the gas supply process, the gas is blown to the inside of the two split moulds 8, the residual heat in the cavity is quickly diffused, and the cooling effect of the mold is further improved.

[0021] In a preferred embodiment, the blanking assembly 5 includes a stand pipe 501, an arc-shaped groove 502 formed at one end of the top outer wall of the stand pipe 501, and a blanking pipe 503 connected to one side of the outer wall of the stand pipe 501.

[0022] Here it needs to be explained: the electric rotary table 3 rotates, the holder 4 rotates into the arc-shaped groove 502, so that the holder 4 is inclined, so that the PET bottle automatically slides off the holder 4 into the discharge pipe 503.

[0023] In a preferred embodiment, the air supply assembly 14 includes a connecting plate 1403, an air supply pipe 1401 mounted on the connecting plate 1403, and a shunt pipe 1402 connected to the air supply pipe 1401.

[0024] Here it needs to be explained: air flow can be introduced into the rotating assembly 15 through the air supply pipe 1401, and part of the air flow will enter the shunt pipe 1402 and blow out.

[0025] In a preferred embodiment, the rotating assembly 15 includes a rotating pipe 1501, a plurality of equidistantly distributed air outlets 1502 provided on the outer wall of the rotating pipe 1501, and a plurality of equidistantly distributed baffles 1503 mounted on the outer wall of the rotating pipe 1501.

[0026] Here it needs to be explained: the air flow entering the rotating pipe 1501 blows out through the air outlets 1502, and the air flow blown by the shunt pipe 1402 blows on the baffles 1503 to drive the rotating pipe 1501 to rotate.

[0027] Working principle: the bottle blank 16 can be placed on the holder 4, the rotating rod 2 is driven by the electric rotary table 3 to rotate intermittently by 90°, the bottle blank 16 is rotated to the middle of the two split molds 8, at this time the two split molds 8 are combined by the double slide linear motor 6 to enclose the bottle blank 16, then the air nozzle 10 is lowered into the bottle blank 16 by the first electric push rod 9, high-pressure gas is injected into the bottle blank 16, the bottle blank 16 is inflated and adheres to the inner wall of the mold cavity to form a PET bottle after cooling and setting;

[0028] Then the two split molds 8 are separated by the double slide linear motor 6, at this time the electric rotary table 3 continues to drive the rotating rod 2 to rotate by 90°, the holder 4 rotates into the arc-shaped groove 502, so that the holder 4 is inclined, so that the PET bottle automatically slides off the holder 4 into the discharge pipe 503, the discharge is completed, which is more convenient, after the two split molds 8 are separated, the rotating pipe 1501 is raised to the middle of the two split molds 8 by the second electric push rod 12, air flow can be introduced into the rotating pipe 1501 through the air supply pipe 1401, part of the air flow will enter the shunt pipe 1402 and blow out, the air flow entering the rotating pipe 1501 blows out through the air outlets 1502, the air flow blown by the shunt pipe 1402 blows on the baffles 1503 to drive the rotating pipe 1501 to rotate, so that the gas blows into the two split molds 8, so that the residual heat in the cavity is quickly diffused, further improving the cooling effect of the mold.

[0029] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A PET bottle blow molding device, comprising: a mounting frame (1); characterized in that it further comprises a rotating rod (2) rotatably mounted on the outer wall of the top of the mounting frame (1), an electric rotating table (3) mounted on the top of the mounting frame (1), wherein the rotating part of the electric rotating table (3) is connected to the top of the rotating rod (2), a plurality of equidistantly distributed holding frames (4) rotatably mounted on the outer wall of the rotating rod (2), a blanking assembly (5) mounted on the inner wall of the bottom of the mounting frame (1), a double slide table linear motor (6) mounted on the inner wall of the bottom of the mounting frame (1), wherein the two sliding parts of the double slide table linear motor (6) are each provided with a bracket (7) mounted on the top thereof, and the top of each bracket (7) is fixedly provided with a mold parting (8), a first electric push rod (9) mounted on the inner wall of the top of the mounting frame (1), wherein the piston rod of the first electric push rod (9) is provided with a blowing nozzle (10) mounted on the bottom thereof, and the top of the blowing nozzle (10) is connected with a high-pressure air pipe (11), a second electric push rod (12) mounted on the inner wall of the bottom of the mounting frame (1), wherein the piston rod of the second electric push rod (12) is provided with a mounting plate (13) mounted on the top thereof, and the top outer wall of the mounting plate (13) is rotatably provided with a rotating assembly (15) at one end thereof, and the bottom of the mounting plate (13) is provided with a gas supply assembly (14).

2. The PET bottle blow molding apparatus according to claim 1, wherein: The blanking assembly (5) comprises a vertical pipe (501), an arc-shaped slot (502) formed at one end of the outer wall of the top of the vertical pipe (501), and a blanking pipe (503) connected to the outer wall of one side of the vertical pipe (501).

3. The PET bottle blow molding apparatus of claim 1, wherein: The gas supply assembly (14) comprises a connecting plate (1403), a gas supply pipe (1401) mounted on the connecting plate (1403), and a shunt pipe (1402) connected to the gas supply pipe (1401).

4. The PET bottle blow molding apparatus of claim 3, wherein: The rotating assembly (15) comprises a rotating pipe (1501), a plurality of equidistantly distributed air outlet holes (1502) formed in the outer wall of the rotating pipe (1501), and a plurality of equidistantly distributed baffles (1503) mounted on the outer wall of the rotating pipe (1501).

5. A PET bottle blow molding apparatus according to claim 4, characterized in that: One end of the gas supply pipe (1401) is rotatably connected to the bottom pipe opening of the rotating pipe (1501).

6. The PET bottle blow molding apparatus of claim 1, wherein: The mounting frame (1) has a "C" shape structure, and the bottom of the mounting frame (1) is fixed by bolts.

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