CN217169675U

CN217169675U - Pressure boost apparatus for producing of improvement PPR pipe hardness

Info

Publication number: CN217169675U
Application number: CN202220542586.4U
Authority: CN
Inventors: 陈学平
Original assignee: Yunnan Dianlong Plastic Technology Co Ltd
Current assignee: Yunnan Dianlong Plastic Technology Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-08-12
Anticipated expiration: 2032-03-14

Abstract

The utility model provides an improve pressure boost apparatus for producing of PPR pipe hardness relates to PPR pipe technical field, the power distribution box comprises a box body, the hydraulic pressure post, one side fixedly connected with support of box, the top at the support is installed to the hydraulic pressure post, the chamber has been seted up at the middle part of box and has been held, the output of hydraulic pressure post is just holding chamber and fixedly connected with pressure disk, the bottom that holds the chamber is installed and is sealed off the mechanism, the pivot of drum and fixed connection in drum one end that the shutoff mechanism is holding the chamber bottom including setting up, the through-hole has been seted up on the drum, install the drive mechanism who is used for transmitting power between hydraulic pressure post and the pivot. The utility model discloses, through setting up shutoff mechanism and drive mechanism, PPR pipe raw materials are when holding the inside in chamber, and the hydraulic pressure post drives the pressure disk and carries out compression once to it, improves the density of PPR pipe raw materials greatly, and this device adopts the external force pressure boost, compares the pressure boost effect better with the conventional art for the hardness of the PPR pipe that processing was come out is higher.

Description

Pressure boost apparatus for producing of improvement PPR pipe hardness

Technical Field

The utility model relates to a PPR manages technical field, especially relates to a pressure boost apparatus for producing that improves PPR pipe hardness.

Background

PPR is random copolymerization polypropylene synthesized by (PP and PE) gas phase method, and has the structural characteristics that PE molecules are randomly linked in PP molecules, and the molecular weight is different from 30 ten thousand to 80 ten thousand. The pipe produced by using the PPR raw material is also called a polypropylene random copolymer pipe, and is a plastic pipeline product developed and applied in the late 90 s in the 80 s of the 20 th century. Traditional PPR tubular product adopts high temperature low pressure processing condition, and tubular product can not keep the characteristic of raw and other materials, makes the tubular product quality of making not good enough, and adopts the high-pressure processing technology of low temperature of the tubular product of supercharging device production can realize, makes the tubular product performance obtain further improvement.

In the pressurizing production device in the prior art, a sprue spreader and a core mold with a conical structure are usually arranged in a main body, so that the melt pressure in an annular cavity is increased, and the hardness of a pipe is improved.

However, in the prior art, the existing pressurizing device has a limited pressurizing effect on the melt, and the extrusion pressure of the extruder is only increased by the conical structure with a low amplitude.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, current supercharging device is limited to the pressure boost effect of fuse-element, relies on the toper structure simply lower to extruder extrusion pressure's lifting range.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an improve pressure boost apparatus for producing of PPR pipe hardness, the power distribution box comprises a box body, the hydraulic pressure post, one side fixedly connected with support of box, the top at the support is installed to the hydraulic pressure post, the chamber that holds has been seted up at the middle part of box, the output of hydraulic pressure post is just to holding chamber and fixedly connected with pressure disk, the shutoff mechanism is installed to the bottom of holding the chamber, the shutoff mechanism is including setting up at the drum that holds the chamber bottom and the pivot of fixed connection in drum one end, the through-hole has been seted up on the drum, install the drive mechanism who is used for transmitting power between hydraulic pressure post and the pivot.

As a preferred embodiment, the rotating shaft is rotatably connected with the inner wall of the box body through a bearing, and a sealing ring is fixedly arranged on the outer wall of the cylinder at a position close to the inner wall of the accommodating cavity.

As a preferred embodiment, one side fixedly connected with connecting rod in the middle part of hydraulic pressure post, the one end fixedly connected with rack that the hydraulic pressure post was kept away from to the connecting rod, the top of box is close to one side of rack and rotates and is connected with the transmission shaft, the one end of transmission shaft is provided with ratchet, ratchet is connected with rack drive, the other end of transmission shaft is located the inside and the first band pulley of fixedly connected with of box, the one end fixedly connected with second band pulley that the pivot is close to first band pulley, the cover is equipped with the belt between first band pulley and the second band pulley.

As a preferred embodiment, the ratchet mechanism comprises a ratchet inner ring and a ratchet outer ring, one end of the ratchet inner ring is fixedly connected with the transmission shaft, the ratchet outer ring is rotatably connected to the outer wall of the ratchet inner ring, a gear ring is arranged on the outer wall of the ratchet outer ring, the ratchet outer ring is meshed with the rack through the gear ring, one end of the ratchet inner ring, which is far away from the transmission shaft, is provided with a pawl, and the pawl is close to a ratchet groove of the ratchet outer ring.

As a preferred embodiment, the top of box all installs heat preservation mechanism in the position that is close to and holds the chamber both sides, and heat preservation mechanism includes electric telescopic handle and closing cap, and electric telescopic handle fixed mounting holds chamber and fixedly connected with closing cap in the top of box, electric telescopic handle's output orientation.

As a preferred embodiment, the sealing cover is semicircular, a semicircular arc groove is formed in one side, close to the hydraulic column, of the sealing cover, and a sealing strip is connected in the semicircular arc groove in an adhering mode.

In a preferred embodiment, the bottom of the receiving chamber is provided with a tapered groove above the blocking mechanism.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, through setting up shutoff mechanism and drive mechanism, PPR pipe raw materials are when holding the inside in chamber, and the hydraulic pressure post drives the pressure disk and carries out a compression to it, improves the density of PPR pipe raw materials greatly, and this device adopts the external force pressure boost, and it is better to compare the pressure boost effect with the conventional art for the hardness of the PPR pipe that processing was come out is higher, and the PPR pipe is pushed down once more by the hydraulic pressure post after the compression and is released it and hold the chamber, and the interval time of two working processes is short, and work efficiency is high.

2. The utility model discloses in, through setting up heat preservation mechanism, after the pressure disk got into and holds the intracavity portion, electric telescopic handle started and drives the closing cap and seal the top that will hold the chamber, prevented to push down the heat of in-process fuse-element raw materials at twice and run off in a large number, prevented that the raw materials from gluing on the inner wall that holds the chamber.

Drawings

FIG. 1 is a perspective view of a pressurized production device for increasing the hardness of a PPR pipe according to the present invention;

FIG. 2 is a schematic structural view of a transmission mechanism of a pressurized production device for improving the hardness of a PPR pipe according to the present invention;

FIG. 3 is a schematic structural view of a plugging mechanism of a pressurized production device for improving the hardness of a PPR pipe according to the present invention;

FIG. 4 is a schematic structural view of a ratchet mechanism of a pressurized production device for improving the hardness of a PPR pipe according to the present invention;

fig. 5 is the utility model provides a improve pressure boost apparatus for producing's of PPR pipe hardness heat preservation mechanism's schematic structure diagram.

Illustration of the drawings:

1. a box body; 2. a support; 3. a hydraulic column; 4. an accommodating chamber; 5. a platen; 6. a transmission mechanism; 61. a connecting rod; 62. a rack; 63. a ratchet mechanism; 631. an outer ring of the ratchet wheel; 632. an inner ring of the ratchet wheel; 633. a pawl; 64. a drive shaft; 65. a first pulley; 66. a belt; 67. a second pulley; 7. a plugging mechanism; 71. a rotating shaft; 72. a cylinder; 73. a through hole; 74. a seal ring; 8. a heat preservation mechanism; 81. an electric telescopic rod; 82. sealing the cover; 83. a sealing strip; 9. and (4) a tapered groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to solve the technical problem of how to improve the pressurization effect on the PPR pipe melt, as shown in FIGS. 1-3, the following preferred technical solutions are provided:

a pressurization production device for improving the hardness of a PPR pipe comprises a box body 1 and a hydraulic column 3, wherein a support 2 is fixedly connected to one side of the box body 1, the hydraulic column 3 is installed at the top of the support 2, a containing cavity 4 is formed in the middle of the box body 1, the output end of the hydraulic column 3 is over against the containing cavity 4 and is fixedly connected with a pressure plate 5, and a plugging mechanism 7 is installed at the bottom of the containing cavity 4;

the plugging mechanism 7 comprises a cylinder 72 arranged at the bottom of the accommodating cavity 4 and a rotating shaft 71 fixedly connected to one end of the cylinder 72, a through hole 73 is formed in the cylinder 72, and a transmission mechanism 6 for transmitting power is arranged between the hydraulic column 3 and the rotating shaft 71.

Specifically, when using this device, with melting state's PPR pipe raw materials for production pour into and hold chamber 4 in, hydraulic pressure post 3 drives pressure disk 5 and pushes down twice, when pushing down for the first time, the both ends of through-hole 73 and the laminating of the bottom inner wall of box 1, the bottom that holds chamber 4 is by the shutoff, therefore pressure disk 5 when pushing down for the first time, hold the increase of intracavity 4 internal gas pressure, the raw materials can be compressed, when pushing down for the second time, drive mechanism 6 drives drum 72 earlier and rotates ninety degrees, through-hole 73 will hold the bottom intercommunication of chamber 4, hold the raw materials in the chamber 4 and pushed out by pressure disk 5 and hold chamber 4, carry out cooling forming on next step.

Through setting up shutoff mechanism 7 and drive mechanism 6 for PPR manages the raw materials and is once compressed by hydraulic pressure post 3 and pressure disk 5 in the inside that holds chamber 4, improves the pressure boost effect, improves the density of PPR pipe raw materials greatly, makes the hardness of the PPR pipe of processing out higher, and PPR pipe is pressed down once more by hydraulic pressure post 3 after the compression and is released it and hold chamber 4, and the interval time of two working processes is short, and work efficiency is high.

Further, as shown in fig. 3, the following preferred technical solutions are provided:

the rotating shaft 71 is rotatably connected with the inner wall of the box body 1 through a bearing, and a sealing ring 74 is fixedly arranged on the outer wall of the cylinder 72 at the position close to the inner wall of the accommodating cavity 4.

Specifically, the provision of the packing 74 prevents the PPR tube material from entering the space between the cylinder 72 and the accommodating chamber 4 when pressurized.

Further, as shown in fig. 2, the following preferred technical solutions are provided:

middle part one side fixedly connected with connecting rod 61 of hydraulic column 3, the one end fixedly connected with rack 62 that hydraulic column 3 was kept away from to connecting rod 61, the top of box 1 is close to one side rotation of rack 62 and is connected with transmission shaft 64, the one end of transmission shaft 64 is provided with ratchet 63, ratchet 63 is connected with the transmission of rack 62, the other end of transmission shaft 64 is located the inside and the first band pulley 65 of fixedly connected with of box 1, pivot 71 is close to the one end fixedly connected with second band pulley 67 of first band pulley 65, the cover is equipped with belt 66 between first band pulley 65 and the second band pulley 67.

Specifically, when hydraulic pressure post 3 pushes down for the first time, hydraulic pressure post 3 drives rack 62 through connecting rod 61 and descends, but because ratchet 63 is one-way transmission power, rack 62 can't drive transmission shaft 64 when descending and rotates, hydraulic pressure post 3 drives rack 62 and rises after pushing down for the first time, rack 62 drives transmission shaft 64 through ratchet 63 and rotates, transmission shaft 64 is through first band pulley 65, second band pulley 67 and belt 66 drive pivot 71 and rotate, pivot 71 drives drum 72 and rotates ninety degrees, the upper and lower both ends of through-hole 73 rotate to vertical position, through-hole 73 will hold the bottom intercommunication in chamber 4, and in the same way, when hydraulic pressure post 3 pushes down for the second time, drum 72 can not rotate.

Further, as shown in fig. 4, the following preferred technical solutions are provided:

the ratchet mechanism 63 comprises a ratchet inner ring 632 and a ratchet outer ring 631, one end of the ratchet inner ring 632 is fixedly connected with the transmission shaft 64, the ratchet outer ring 631 is rotatably connected to the outer wall of the ratchet inner ring 632, a gear ring is arranged on the outer wall of the ratchet outer ring 631, the ratchet outer ring 631 is meshed with the rack 62 through the gear ring, one end of the ratchet inner ring 632, which is far away from the transmission shaft 64, is provided with a pawl 633, and the pawl 633 is close to a ratchet groove of the ratchet outer ring 631.

Specifically, when the rack 62 descends, the rack 62 drives the outer ratchet ring 631 to rotate, but the inner ratchet ring 632 does not rotate, so that power cannot be transmitted to the transmission shaft 64, whereas when the rack 62 ascends, the rack 62 drives the outer ratchet ring 631 to rotate, the outer ratchet ring 631 drives the inner ratchet ring 632 to rotate through the pawl 633, and power is further transmitted to the transmission shaft 64, so that the transmission shaft 64 rotates.

In order to solve the technical problem of how to reduce the heat loss of the raw materials, as shown in fig. 1 and 5, the following preferred technical solutions are provided:

heat preservation mechanism 8 is all installed near the position that holds chamber 4 both sides on the top of box 1, and heat preservation mechanism 8 includes electric telescopic handle 81 and closing cap 82, and electric telescopic handle 81 fixed mounting is on the top of box 1, and electric telescopic handle 81's output orientation holds chamber 4 and fixedly connected with closing cap 82.

Specifically, hydraulic pressure post 3 drives pressure disk 5 and carries out the in-process that twice pushed down to the raw materials that hold in the chamber 4, after pressure disk 5 got into and holds chamber 4 inside, electric telescopic handle 81 started and drives the top that closing cap 82 will hold chamber 4 and seal, prevents to push down the heat of in-process fuse-element raw materials at twice and runs off in a large number, prevents that the raw materials from gluing on the inner wall that holds chamber 4.

Further, as shown in fig. 5, the following preferred technical solutions are provided:

the sealing cover 82 is semicircular, a semicircular groove is formed in one side, close to the hydraulic column 3, of the sealing cover 82, and a sealing strip 83 is connected in the semicircular groove in an adhering mode.

Specifically, two block of closing caps 82 will hold the top of chamber 4 and seal the back, and a complete circular is constituteed to the semicircle trough of two closing caps 82, and hydraulic column 3 passes from this position, and sealing strip 83 tightly supports on hydraulic column 3's outer wall, improves the heat preservation effect.

the bottom of the accommodating cavity 4 is provided with a conical groove 9 above the plugging mechanism 7.

Specifically, PPR pipe raw materials can further improve its pressure boost effect when passing through tapered slot 9.

The working principle of the embodiment is as follows: when the device is used, firstly, as shown in fig. 1-3, molten PPR pipe production raw materials are injected into the accommodating cavity 4, the hydraulic column 3 drives the pressure plate 5 to press down twice, when the pressure plate 5 is pressed down for the first time, two ends of the through hole 73 are attached to the inner wall of the bottom of the box body 1, and the bottom of the accommodating cavity 4 is blocked, so that when the pressure plate 5 is pressed down for the first time, the air pressure in the accommodating cavity 4 is increased, the raw materials can be compressed, when the pressure plate is pressed down for the second time, the transmission mechanism 6 drives the cylinder 72 to rotate ninety degrees, the bottom of the accommodating cavity 4 is communicated through the through hole 73, the raw materials in the accommodating cavity 4 are pushed out of the accommodating cavity 4 by the pressure plate 5, and then cooling molding is carried out;

meanwhile, as shown in fig. 2, when the hydraulic column 3 is pressed down for the first time, the hydraulic column 3 drives the rack 62 to descend through the connecting rod 61, but the ratchet mechanism 63 transmits power in one direction, the rack 62 cannot drive the transmission shaft 64 to rotate when descending, after the first pressing is finished, the hydraulic column 3 drives the rack 62 to ascend, the rack 62 drives the transmission shaft 64 to rotate through the ratchet mechanism 63, the transmission shaft 64 drives the rotating shaft 71 to rotate through the first belt wheel 65, the second belt wheel 67 and the belt 66, the rotating shaft 71 drives the cylinder 72 to rotate ninety degrees, the upper end and the lower end of the through hole 73 rotate to vertical positions, the through hole 73 communicates with the bottom of the accommodating cavity 4, and similarly, when the hydraulic column 3 is pressed down for the second time, the cylinder 72 cannot rotate.

The utility model provides a hydraulic pressure post 3 and electric telescopic handle 81's wiring diagram belongs to the common general knowledge in this field, and its theory of operation is the already known technique, and its model selects suitable model according to in-service use, so no longer explain in detail control mode and wiring arrangement to hydraulic pressure post 3 and electric telescopic handle 81.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an improve pressure boost apparatus for producing of PPR pipe hardness, includes box (1), hydraulic column (3), its characterized in that: a support (2) is fixedly connected to one side of the box body (1), a hydraulic column (3) is installed at the top of the support (2), a containing cavity (4) is formed in the middle of the box body (1), the output end of the hydraulic column (3) is opposite to the containing cavity (4) and is fixedly connected with a pressure plate (5), and a plugging mechanism (7) is installed at the bottom of the containing cavity (4);

the plugging mechanism (7) comprises a cylinder (72) arranged at the bottom of the accommodating cavity (4) and a rotating shaft (71) fixedly connected to one end of the cylinder (72), a through hole (73) is formed in the cylinder (72), and a transmission mechanism (6) for transmitting power is arranged between the hydraulic column (3) and the rotating shaft (71).

2. The pressurized production device for improving the hardness of the PPR pipe as claimed in claim 1, wherein: the rotating shaft (71) is rotatably connected with the inner wall of the box body (1) through a bearing, and a sealing ring (74) is fixedly arranged on the outer wall of the cylinder (72) and close to the inner wall of the accommodating cavity (4).

3. The pressurized production device for improving the hardness of the PPR pipe as claimed in claim 1, wherein: middle part one side fixedly connected with connecting rod (61) of hydraulic column (3), one end fixedly connected with rack (62) of hydraulic column (3) are kept away from in connecting rod (61), one side that the top of box (1) is close to rack (62) is rotated and is connected with transmission shaft (64), the one end of transmission shaft (64) is provided with ratchet (63), ratchet (63) are connected with rack (62) transmission, the other end of transmission shaft (64) is located the inside and the first band pulley of fixedly connected with (65) of box (1), one end fixedly connected with second band pulley (67) that pivot (71) are close to first band pulley (65), the cover is equipped with belt (66) between first band pulley (65) and second band pulley (67).

4. The pressurized production device for improving the hardness of the PPR pipe as claimed in claim 3, wherein: ratchet (63) include ratchet inner circle (632), ratchet outer circle (631), the one end and transmission shaft (64) fixed connection of ratchet inner circle (632), ratchet outer circle (631) rotate to be connected on the outer wall of ratchet inner circle (632), and be provided with the ring gear on the outer wall of ratchet outer circle (631), ratchet outer circle (631) are connected with rack (62) meshing through the ring gear, the one end that transmission shaft (64) were kept away from in ratchet inner circle (632) is provided with pawl (633), ratchet (633) press close to the ratchet groove of ratchet outer circle (631).

5. The pressurized production device for improving the hardness of the PPR pipe as claimed in claim 1, wherein: the top of box (1) all installs heat preservation mechanism (8) in the position that is close to and holds chamber (4) both sides, and heat preservation mechanism (8) include electric telescopic handle (81) and closing cap (82), and electric telescopic handle (81) fixed mounting is on the top of box (1), and the output orientation of electric telescopic handle (81) holds chamber (4) and fixedly connected with closing cap (82).

6. The pressurized production device for improving the hardness of the PPR pipe as claimed in claim 5, wherein: the sealing cover (82) is semicircular, a semicircular arc groove is formed in one side, close to the hydraulic column (3), of the sealing cover (82), and a sealing strip (83) is connected to the inside of the semicircular arc groove in an adhering mode.

7. The pressurized production device for improving the hardness of the PPR pipe as claimed in claim 1, wherein: and a conical groove (9) is formed in the bottom of the accommodating cavity (4) above the plugging mechanism (7).