CN109228290B

CN109228290B - High stereoplasm PVC pipe flaring device of security

Info

Publication number: CN109228290B
Application number: CN201811158798.7A
Authority: CN
Inventors: 吴柯青
Original assignee: Anhui Juntai Plastic Technology Co ltd
Current assignee: Anhui Juntai Plastic Technology Co ltd
Priority date: 2018-09-30
Filing date: 2018-09-30
Publication date: 2021-02-02
Anticipated expiration: 2038-09-30
Also published as: CN109228290A

Abstract

The invention relates to the technical field of plastic pipe flaring and discloses a high-safety hard PVC pipe flaring device which comprises a mounting frame, wherein a half consisting of two semi-annular clamping blocks which are symmetrically distributed up and down is arranged in the mounting frame, the half is controlled by a driving mechanism to clamp and fix or loosen a hard PVC pipe, an oil cylinder is arranged on the mounting frame at one side of the half, a pressure maintaining shaping chamber is arranged on a piston rod of the oil cylinder, one side of the pressure maintaining shaping chamber, which faces the half, is in an open shape, and a compressed air inlet is arranged on the side wall of the pressure maintaining shaping chamber. This high stereoplasm PVC pipe flaring device of security possesses the PVC mouth of pipe flaring rounding, and PVC pipe flaring high quality has improved the security of connecting between the PVC pipe simultaneously, and PVC pipe flaring device removes and does not need artifical transport, and labour saving and time saving has reduced staff's intensity of labour, has ensured advantages such as efficiency that PVC pipe flaring device flared.

Description

High stereoplasm PVC pipe flaring device of security

Technical Field

The invention relates to the technical field of plastic pipe flaring, in particular to a hard PVC pipe flaring device with high safety.

Background

The PVC-U pipe is the abbreviation of stereoplasm PVC pipe, mainly used feedwater and drainage, when stereoplasm PVC pipe was used for feedwater, does not adopt the injection molding pipe fitting connecting piece during stereoplasm PVC pipe butt joint, but makes one side pipe end of stereoplasm PVC pipe into the flaring shape through flaring device, then docks after filling in the silica gel sealing washer in the flaring pipe end, and the flaring device that uses at present is the flaring mould, and its use is: heating the pipe end of the hard PVC pipe to be flared to a thermoplastic state, inserting the pipe end at the side into a flaring die, then enabling the flaring die to expand and move along the radial direction of the hard PVC pipe, enabling the hard PVC pipe to synchronously expand along the radial direction to form the required flaring shape, and finally cooling and shaping and removing the flaring die.

Through retrieval, the patent with the Chinese patent authorization number of CN206967955U discloses a hard PVC pipe flaring device, which comprises a mounting frame, a pressure maintaining and shaping chamber, a flaring die, an oil cylinder and a piston rod. The hard PVC pipe flaring device in the patent has the following defects: PVC pipe is uneven in the indoor atress of pressing definite die cavity in the flaring of PVC pipe, and the flaring is round and tidy inadequately, influences the quality of PVC pipe flaring, and PVC pipe flaring device removes in addition and needs artifical transport in the in-service use, wastes time and energy, and intensity of labour is great, influences the efficiency of PVC pipe flaring device flaring.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the hard PVC pipe flaring device with high safety, which has the advantages of high flaring quality of PVC pipes, improved safety of connection and use between PVC pipes, time and labor saving, reduced labor intensity of workers, ensured flaring efficiency of the PVC pipe flaring device and the like, and solves the problems that flaring is not round enough, the flaring quality of the PVC pipes is poor, and the flaring efficiency of the PVC pipe flaring device is influenced because the PVC pipe flaring device needs to be manually carried in actual use, time and labor are wasted, the labor intensity is high, and the flaring efficiency of the PVC pipe flaring device is influenced.

(II) technical scheme

In order to realize the purposes that the flaring of the PVC pipe orifice is round, the flaring quality is high, the safety of connection and use between PVC pipes is improved, the PVC pipe flaring device does not need to be carried manually when moving, the labor intensity of workers is reduced, and the flaring efficiency of the PVC pipe flaring device is ensured, the invention provides the following technical scheme: a hard PVC pipe flaring device with high safety comprises a mounting frame, wherein a half consisting of two semi-annular clamping blocks which are symmetrically distributed up and down is arranged in the mounting frame, the half is controlled by a driving mechanism to clamp and fix or loosen a hard PVC pipe, an oil cylinder is arranged on the mounting frame at one side of the half, a pressure maintaining shaping chamber is arranged on a piston rod of the oil cylinder, one side of the pressure maintaining shaping chamber facing the half is in an open shape, a compressed air inlet is arranged on the side wall of the pressure maintaining shaping chamber, a valve capable of opening and closing the compressed air inlet is arranged at the position of the compressed air inlet, a flaring die for flaring the pipe end of the hard PVC pipe is arranged in the pressure maintaining shaping chamber, when the oil cylinder pushes the flaring die through the piston rod to insert the end of the hard PVC pipe clamped and fixed by the half, the pressure maintaining shaping chamber is just synchronously pushed by the oil cylinder until the opening end of the pressure maintaining shaping chamber is, at the moment, the pressure maintaining and shaping chamber and the half just enclose together to form a closed pressure maintaining and shaping chamber, two side walls of the pressure maintaining and shaping chamber are provided with circular through holes, the hole walls of the circular through holes are movably connected with connecting rods, two connecting rods are movably connected with connecting blocks, one ends of the connecting blocks opposite are provided with grooves, the groove walls of the grooves are provided with two through holes which are symmetrically distributed, the hole walls of the through holes are fixedly connected with supporting plates, the side walls of the supporting plates are provided with round holes, the hole walls of the round holes are movably connected with push rods, one ends of the two push rods opposite are fixedly connected with push blocks, two connecting rods are internally provided with symmetrically distributed cavities, the cavity walls of the cavities are fixedly connected with connecting mechanisms, one sides of the two connecting blocks opposite are fixedly connected with semicircular guard plates, two the equal screw thread of pole wall of threaded rod has cup jointed a screw thread section of thick bamboo, two the outer wall of a screw thread section of thick bamboo all fixed the cup joint antifriction bearing, two the outer wall of antifriction bearing all fixed the cup joint have the fixed plate, two the lower surface of fixed plate all is connected with the last fixed surface of mounting bracket, two the outer wall of a screw thread section of thick bamboo all fixed the cup joint have first gear, the last fixed surface of mounting bracket is connected with double-shaft motor, two the equal fixedly connected with second gears of two outputs of double-shaft motor, two the second gear meshes with adjacent first gear, the lower fixed surface of mounting bracket is connected with moving mechanism.

Preferably, the moving mechanism comprises supporting legs fixedly connected with four corners of the lower surface of the mounting frame, the supporting legs are four, the outer walls of the supporting legs are connected with a bottom plate in a sliding mode, the upper surface of the bottom plate is fixedly connected with an electric hydraulic push rod, the top end of the electric hydraulic push rod is fixedly connected with the lower surface of the mounting frame, and universal wheels are fixedly connected with four corners of the lower surface of the bottom plate.

Preferably, the connecting mechanism comprises a piston movably connected with the cavity wall of the cavity, two side walls of the piston are respectively and fixedly connected with a fixing rod and a spring, one end of the spring, far away from the piston, is fixedly connected with the cavity wall of the cavity, and one end of the fixing rod, far away from the piston, penetrates through the side wall of the cavity and is inserted into the through hole.

Preferably, the lower surface of the oil cylinder is fixedly connected with a cushion block, and the lower surface of the cushion block is fixedly connected with the upper surface of the mounting frame.

Preferably, the rod walls of the two push rods are fixedly sleeved with a stop block.

Preferably, the lower surface of the connecting block is fixedly connected with a rubber pad.

Preferably, the lower surface of the mounting rack is fixedly connected with a storage battery.

(III) advantageous effects

Compared with the prior art, the invention provides the hard PVC pipe flaring device with high safety, and the hard PVC pipe flaring device has the following beneficial effects:

1. the hard PVC pipe flaring device with high safety is provided with a double-shaft motor, a second gear, a first tooth buckle and a semicircular guard plate, when the PVC pipe is required to be flared, firstly, the semicircular guard plate with proper size is installed in a pressure fixing chamber, then a connecting block on the semicircular guard plate is inserted into a groove, meanwhile, a fixing rod in the connecting block is inserted into a through hole under the pushing of a spring and a piston, then the double-shaft motor is started, the double-shaft motor drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives a threaded cylinder to rotate, the threaded cylinder enables a threaded rod to move, the threaded rod enables the semicircular guard plate to be close to the PVC pipe through the connecting rod, the two semicircular guard plates are closed, then, a flaring die is inserted into the PVC pipe through an oil cylinder, flaring work is carried out, the structure enables the flaring die of the PVC pipe to be round, meanwhile, the safety of connection and use between the PVC pipes is improved.

2. This high stereoplasm PVC pipe flaring device of security, through being provided with electronic hydraulic push rod, bottom plate and universal wheel, when PVC pipe flaring device need remove, at first start electronic hydraulic push rod, then electronic hydraulic push rod promotes the bottom plate, the bottom plate drives the universal wheel and moves down, later the universal wheel breaks away from ground to PVC pipe device jack-up, later the staff promotes PVC pipe flaring device and removes, reach local back, make electronic hydraulic push rod shrink, make supporting leg contact ground, this structure need not use manual work transport PVC pipe flaring device again, time saving and labor saving, staff's intensity of labour has been reduced, the flaring efficiency of PVC pipe flaring device has been ensured.

Drawings

FIG. 1 is a schematic structural view of a rigid PVC pipe flaring device with high safety according to the present invention;

FIG. 2 is a schematic top view of a rigid PVC pipe flaring device with high safety according to the present invention;

FIG. 3 is a schematic structural diagram of a rigid PVC pipe flaring device A with high safety according to the present invention;

fig. 4 is a schematic structural diagram of a rigid PVC pipe flaring device B with high safety according to the present invention.

In the figure: 1 mounting bracket, 2 pressurize design room, 3 flaring die, 4 hydro-cylinders, 5 piston rods, 6 connecting rods, 7 recesses, 8 backup pads, 9 push rods, 10 ejector pads, 11 connecting blocks, 12 coupling mechanism, 13 semicircular guard plates, 14 threaded rods, 15 threaded cylinders, 16 antifriction bearings, 17 fixed plates, 18 first gears, 19 biax motors, 20 second gears, 21 moving mechanism, 22 supporting legs, 23 bottom plates, 24 electronic hydraulic push rods, 25 universal wheels, 26 pistons, 27 dead levers, 28 springs, 29 cushion blocks, 30 batteries.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a hard PVC pipe flaring device with high safety comprises a mounting frame 1, wherein a half consisting of two semi-annular clamping blocks which are symmetrically distributed up and down is arranged in the mounting frame, the half is controlled by a driving mechanism to clamp and fix or loosen a hard PVC pipe, an oil cylinder is arranged on the mounting frame at one side of the half, a piston rod of the oil cylinder is provided with a pressure maintaining shaping chamber 2, one side of the pressure maintaining shaping chamber 2 facing the half is open, a compressed air inlet is arranged on the side wall of the pressure maintaining shaping chamber 2, a valve capable of opening and closing the compressed air inlet is arranged at the compressed air inlet, a flaring die 3 for flaring the end of the hard PVC pipe is arranged in the pressure maintaining shaping chamber 2, when the oil cylinder 4 pushes the flaring die 3 to be inserted into the end of the hard PVC pipe clamped and fixed by the half through a piston rod 5, the pressure maintaining shaping chamber 2 is synchronously pushed by the oil cylinder 4 until the open end of the flaring die is tightly pressed against the outer, at this moment, the pressure maintaining and shaping chamber 2 and the half just enclose into a closed pressure maintaining and shaping chamber together, and is characterized in that: the two side walls of the pressure maintaining and shaping chamber 2 are respectively provided with a circular through hole, the hole wall of the circular through hole is movably connected with a connecting rod 6, the two connecting rods 6 are movably connected with a connecting block 11, the opposite ends of the connecting blocks 11 are respectively provided with a groove 7, the groove wall of the groove 7 is provided with two through holes which are symmetrically distributed, the hole wall of each through hole is fixedly connected with a supporting plate 8, the side wall of each supporting plate 8 is provided with a round hole, the hole wall of each round hole is movably connected with a push rod 9, the opposite ends of the two push rods 9 are respectively and fixedly connected with a push block 10, symmetrically distributed cavities are respectively arranged in the two connecting rods 6, the cavity wall of each cavity is fixedly connected with a connecting mechanism 12, one opposite side of the two connecting blocks 11 is respectively and fixedly connected with a semicircular guard plate 13, the opposite ends of the two connecting rods, the outer wall of two antifriction bearings 16 all fixedly has cup jointed fixed plate 17, the lower surface of two fixed plates 17 all is connected with the last fixed surface of mounting bracket 1, the outer wall of two thread section of thick bamboo 15 all fixes the cover and has connect first gear 18, the last fixed surface of mounting bracket 1 is connected with double-shaft motor 19, the equal fixedly connected with second gear 20 of two outputs of double-shaft motor 19, two second gears 20 and the meshing of adjacent first gear 18, the lower fixed surface of mounting bracket 1 is connected with moving mechanism 21.

Moving mechanism 21 includes supporting leg 22 with 1 lower surface four corners department fixed connection of mounting bracket, the common sliding connection of outer wall of four supporting legs 22 has bottom plate 23, the last fixed surface of bottom plate 23 is connected with electronic hydraulic rod 24, the top of electronic hydraulic rod 24 is connected with the lower fixed surface of mounting bracket 1, the equal fixedly connected with universal wheel 25 in the lower surface four corners department of bottom plate 23, this structure need not use artifical transport PVC pipe flaring device again, time saving and labor saving, staff's intensity of labour has been reduced, the flaring efficiency of PVC pipe flaring device has been ensured.

Coupling mechanism 12 includes piston 26 with cavity chamber wall swing joint, and the both sides wall difference fixedly connected with dead lever 27 and spring 28 of piston 26, and the one end that piston 26 was kept away from to spring 28 and the chamber wall fixed connection of cavity, the lateral wall of cavity is passed to the one end that piston 26 was kept away from to dead lever 27 and the through-hole is inserted, and coupling mechanism 12 can conveniently change the not semicircular backplate 13 of equidimension, has improved the practicality of PVC pipe flaring device.

The lower surface of the oil cylinder 4 is fixedly connected with a cushion block 29, and the lower surface of the cushion block 29 is fixedly connected with the upper surface of the mounting frame 1.

The rod walls of the two push rods 9 are fixedly sleeved with stop blocks, and the stop blocks can prevent the push rods 9 from excessively moving.

The lower fixed surface of connecting block 11 is connected with the rubber pad, and the rubber pad increases the stability that connecting block 11 connects.

The battery 30, the electro-hydraulic push rod 24 and the dual-axis motor 19 are electrically connected to an external power source through a control switch, which is well known in the art and will not be described herein.

In conclusion, when the PVC pipe needs to be flared, the rigid PVC pipe flaring device with high safety is characterized in that a semicircular guard plate 13 with a proper size is firstly installed in a pressing and shaping chamber 2, then a connecting block 11 on the semicircular guard plate 13 is inserted into a groove 7, meanwhile, a fixing rod 27 in the connecting block 11 is inserted into a through hole under the pushing of a spring 28 and a piston 26, then a double-shaft motor 19 is started, the double-shaft motor 19 drives a second gear 20 to rotate, the second gear 20 drives a first gear 18 to rotate, the first gear 18 drives a threaded barrel 15 to rotate, the threaded barrel 15 enables a threaded rod 14 to move, the threaded rod 14 enables the semicircular guard plate 13 to be close to the PVC pipe through the connecting rod 6, the two semicircular guard plates 13 are abutted, then a flaring die 3 is inserted into the PVC pipe through an oil cylinder 4 to perform flaring work, the flaring die is round and round in flaring of the PVC pipe, and the flaring quality of, meanwhile, the safety of use connection between PVC pipes is improved, when the PVC pipe flaring device needs to be moved, firstly, the electric hydraulic push rod 24 is started, then the electric hydraulic push rod 24 pushes the bottom plate 23, the bottom plate 23 drives the universal wheel 25 to move downwards, then the universal wheel 25 jacks up the PVC pipe flaring device to be separated from the ground, then a worker pushes the PVC pipe flaring device to move, after the PVC pipe flaring device reaches the place, the electric hydraulic push rod 24 contracts, the supporting leg 22 is made to contact with the ground, the structure does not need to carry the PVC pipe flaring device manually, time and labor are saved, the labor intensity of the worker is reduced, and the flaring efficiency of the PVC pipe flaring device is guaranteed.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-safety hard PVC pipe flaring device comprises a mounting frame (1), wherein a half consisting of two semi-annular clamping blocks which are symmetrically distributed up and down is arranged in the mounting frame, the half is controlled by a driving mechanism to clamp and fix or loosen a hard PVC pipe, an oil cylinder is arranged on the mounting frame on one side of the half, a pressure maintaining shaping chamber (2) is arranged on a piston rod of the oil cylinder, one side of the pressure maintaining shaping chamber (2) facing the half is open, a compressed air inlet is arranged on the side wall of the pressure maintaining shaping chamber (2), a valve capable of opening and closing the compressed air inlet is arranged at the compressed air inlet, a flaring die (3) for flaring the end of the hard PVC pipe is arranged in the pressure maintaining shaping chamber (2), and when the oil cylinder (4) pushes the flaring die (3) to insert the hard PVC pipe clamped and fixed by the half through the piston rod (5), pressurize design room (2) are just in time promoted by hydro-cylinder (4) in step to its opening end tightly to on the outer wall of ha fu, and pressurize design room (2) and ha fu enclose inclosed pressurize design cavity, its characterized in that just in time jointly at this moment: circular through holes are formed in both side walls of the pressure maintaining and shaping chamber (2), connecting rods (6) are movably connected with the hole walls of the circular through holes, two connecting rods (6) are movably connected with connecting blocks (11), grooves (7) are formed in the opposite ends of the connecting blocks (11), two through holes are symmetrically distributed in the groove walls of the grooves (7), supporting plates (8) are fixedly connected with the hole walls of the through holes, round holes are formed in the side walls of the supporting plates (8), push rods (9) are movably connected with the hole walls of the round holes, push blocks (10) are fixedly connected with the opposite ends of the two push rods (9), symmetrically distributed cavities are formed in the two connecting rods (6), connecting mechanisms (12) are fixedly connected with the cavity walls of the cavities, and semicircular guard plates (13) are fixedly connected with the opposite sides of the two connecting blocks (11), threaded rods (14) are fixedly connected to the opposite ends of the two connecting rods (6), threaded cylinders (15) are sleeved on the rod walls of the two threaded rods (14) in a threaded manner, rolling bearings (16) are sleeved on the outer walls of the two threaded cylinders (15) in a fixed manner, fixing plates (17) are sleeved on the outer walls of the two rolling bearings (16) in a fixed manner, the lower surfaces of the two fixing plates (17) are fixedly connected with the upper surface of the mounting frame (1), first gears (18) are sleeved on the outer walls of the two threaded cylinders (15) in a fixed manner, the upper surface of the mounting rack (1) is fixedly connected with a double-shaft motor (19), two output ends of the double-shaft motor (19) are fixedly connected with second gears (20), the two second gears (20) are meshed with the adjacent first gears (18), the lower surface of the mounting rack (1) is fixedly connected with a moving mechanism (21);

the moving mechanism (21) comprises supporting legs (22) fixedly connected with four corners of the lower surface of the mounting frame (1), the outer walls of the four supporting legs (22) are jointly connected with a bottom plate (23) in a sliding mode, the upper surface of the bottom plate (23) is fixedly connected with an electric hydraulic push rod (24), the top end of the electric hydraulic push rod (24) is fixedly connected with the lower surface of the mounting frame (1), and four corners of the lower surface of the bottom plate (23) are fixedly connected with universal wheels (25);

the connecting mechanism (12) comprises a piston (26) movably connected with the cavity wall of the cavity, two side walls of the piston (26) are fixedly connected with a fixed rod (27) and a spring (28) respectively, one end, far away from the piston (26), of the spring (28) is fixedly connected with the cavity wall of the cavity, and one end, far away from the piston (26), of the fixed rod (27) penetrates through the side wall of the cavity and is inserted into the through hole;

the lower surface of the oil cylinder (4) is fixedly connected with a cushion block (29), and the lower surface of the cushion block (29) is fixedly connected with the upper surface of the mounting frame (1); the rod walls of the two push rods (9) are fixedly sleeved with stop blocks;

the lower surface of the connecting block (11) is fixedly connected with a rubber pad;

the lower surface of the mounting frame (1) is fixedly connected with a storage battery (30).