阅读说明：本技术 一种管材扩口模具 (Pipe flaring die ) 是由 葛陶军 郑军 储丽 于 2019-10-30 设计创作，主要内容包括：本发明涉及管材加工设备技术领域,且公开了一种管材扩口模具,包括伸入块,所述伸入块的外表面滑动连接有扩口块,所述扩口块的顶部焊接固定有底板,所述伸入块的顶部焊接固定有固定板,所述固定板的上表面中心处通过螺丝固定有液压杆,所述液压杆的输出轴的顶端焊接固定有与所述底板相对应的顶板；在对管材进行扩口的时候,当需要对管材的口径做出改变的时候,通过气泵可以往导气管中注入空气,通过导气管可以将空气注入到扩口气囊中,从而可以将扩口气囊撑起,然后在扩口气囊的作用下,可以将管材的口径变大,通过在扩口气囊中注入不同的空气的量,从而可以生产不同口径的管材,相较于现有的扩口模具,该模具可以生产不同口径的管材。(The invention relates to the technical field of pipe processing equipment and discloses a pipe flaring die which comprises an extension block, wherein the outer surface of the extension block is connected with a flaring block in a sliding manner, the top of the flaring block is fixedly welded with a bottom plate, the top of the extension block is fixedly welded with a fixing plate, the center of the upper surface of the fixing plate is fixedly provided with a hydraulic rod through a screw, and the top end of an output shaft of the hydraulic rod is fixedly welded with a top plate corresponding to the bottom plate; when carrying out the flaring to tubular product, when needs are made the change to the bore of tubular product, can inject the air into through the air pump toward the air duct, can inject the air into the flaring gasbag through the air duct, thereby can prop the flaring gasbag up, then under the effect of flaring gasbag, can be with the bore grow of tubular product, through the volume of injecting different air in the flaring gasbag, thereby can produce the tubular product of different bores, compare in current flaring mould, the tubular product of different bores can be produced to this mould.)

1. The utility model provides a tubular product flaring mould, is including stretching into piece (1), its characterized in that: the outer surface sliding connection who stretches into piece (1) has flaring piece (2), the top welded fastening of flaring piece (2) has bottom plate (12), the top welded fastening that stretches into piece (1) has fixed plate (11), the upper surface center department of fixed plate (11) has hydraulic stem (10) through the screw fastening, the top welded fastening of the output shaft of hydraulic stem (10) have with bottom plate (12) corresponding roof (7), four corners of the lower surface of roof (7) all welded fastening have connecting rod (4), four the bottom of connecting rod (4) respectively with four corners welded fastening of the upper surface of bottom plate (12), flaring piece (2) are bilayer structure, just annular (13) have been seted up to the surface of flaring piece (2), the inside of annular (13) is fixed with flaring gasbag (3), the upper surface of roof (7) is fixed with air pump (6) through the screw, the output of air pump (6) is fixed with air duct (5), air duct (5) are kept away from the one end of air pump (6) run through bottom plate (12) with flaring piece (2) with flaring gasbag (3) are linked together.

2. The pipe flaring die of claim 1, wherein: the upper surface of roof (7) is close to air pump (6) department has seal box (8) through the screw fixation, the bottom of seal box (8) is fixed with cooling tube (9), just the inside upper surface symmetry of seal box (8) is fixed with semiconductor refrigeration piece (17), the upper surface center department of seal box (8) has aspirator (19) through the screw fixation, the output of aspirator (19) is located the inside of seal box (8) is fixed with spiral pipe (20), the bottom of spiral pipe (20) with the top fixed connection of cooling tube (9), keep away from cooling tube (9) the one end of seal box (8) is located in the intermediate layer of flaring piece (2), the surface of flaring piece (2) is located a plurality of ventilation holes (14) have all been seted up to the upper and lower both sides of annular (13).

3. The pipe flaring die of claim 2, wherein: the hot ends of the two semiconductor refrigerating pieces (17) are both located on the upper surface of the sealing box (8), and the hot ends of the two semiconductor refrigerating pieces (17) are both fixed with heat dissipation fans (18).

4. The pipe flaring die of claim 3, wherein: the air duct (5) and the cooling pipe (9) are both metal hoses.

5. The pipe flaring die of claim 4, wherein: the outer surface of the cooling pipe (9) is fixed with a heat insulation sleeve (21), and the heat insulation sleeve (21) is made of asbestos.

6. The pipe flaring die of claim 1, wherein: the maximum stroke of the flaring block (2) is larger than the maximum stroke of the hydraulic rod (10).

7. The pipe flaring die of claim 1, wherein: the internal surface welded fastening of flaring piece (2) has a plurality of connecting seats (15), and is a plurality of connecting seat (15) are the U-shaped structure, and are a plurality of the inside of connecting seat (15) all rotates and is connected with pulley (16), and is a plurality of the surface of pulley (16) all with the surface that stretches into piece (1) is laminated mutually, and is a plurality of connecting seat (15) are followed the central annular array of flaring piece (2) distributes.

8. The pipe flaring die of claim 1, wherein: the flaring gasbag (3) is made of silica gel.

Technical Field

The invention relates to the technical field of pipe processing equipment, in particular to a pipe flaring die.

Background

The pipe is a necessary material for building engineering, commonly used materials include a water supply pipe, a drain pipe, a gas pipe, a heating pipe, an electric wire conduit, a rainwater pipe and the like, when the pipe is processed, flaring treatment is often required to be carried out on the pipe, and when the pipe is flared, a flaring die is generally used for expanding the pipe orifice of the pipe.

However, in the use process of the existing flaring die, flaring is carried out through the flaring block on the die, but the diameter size of the flaring block on the die is fixed, when the calibers of the required pipes are different, different flaring dies are required to be replaced, the flaring die is inconvenient and labor-consuming, and after the flaring of the pipes is finished, the pipes are required to be taken down from the flaring die, and the pipes are cooled through the cooling device, so that the pipes are cooled and formed, the process is complicated, and the production time of the pipes is wasted.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a pipe flaring die, which solves the problems that the diameter of a flaring block on the existing flaring die is fixed, so that pipes with different calibers cannot be produced by one flaring die, which is inconvenient, and the pipe orifice of the pipe cannot be cooled after the pipe is flared by the existing flaring die, and the pipe needs to be cooled by a cooling device.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a pipe flaring die comprises an extension block, wherein the outer surface of the extension block is connected with a flaring block in a sliding way, the top of the flaring block is fixedly welded with a bottom plate, the top of the extending block is fixedly welded with a fixing plate, a hydraulic rod is fixed at the center of the upper surface of the fixing plate through screws, a top plate corresponding to the bottom plate is welded and fixed at the top end of an output shaft of the hydraulic rod, connecting rods are welded and fixed at four corners of the lower surface of the top plate, the bottom ends of the four connecting rods are respectively welded and fixed with four corners of the upper surface of the bottom plate, the flaring block is of a double-layer structure, and the outer surface of the flaring block is provided with a ring groove, a flaring air bag is fixed inside the ring groove, an air pump is fixed on the upper surface of the top plate through screws, an air guide pipe is fixed at the output end of the air pump, one end of the air duct, which is far away from the air pump, penetrates through the bottom plate and the flaring block and is communicated with the flaring air bag.

Preferably, the upper surface of roof is close to air pump department has the seal box through the screw fixation, the bottom of seal box is fixed with the cooling tube, just the inside upper surface symmetry of seal box is fixed with the semiconductor refrigeration piece, the upper surface center department of seal box has the aspirator through the screw fixation, the output of aspirator is located the inside of seal box is fixed with the spiral pipe, the bottom of spiral pipe with the top fixed connection of cooling tube, the cooling tube is kept away from the one end of seal box is located in the intermediate layer of flaring piece, the surface of flaring piece is located a plurality of ventilation holes have all been seted up to the upper and lower both sides of annular.

Preferably, the hot ends of the two semiconductor refrigeration pieces are both located on the upper surface of the sealing box, and the hot ends of the two semiconductor refrigeration pieces are both fixed with heat dissipation fans.

Preferably, the air duct and the cooling pipe are both metal hoses.

Preferably, the outer surface of the cooling pipe is fixed with a heat insulation sleeve, and the heat insulation sleeve is made of asbestos.

Preferably, the maximum stroke of the flaring block is greater than the maximum stroke of the hydraulic rod.

Preferably, a plurality of connecting seats are fixed on the inner surface of the flaring block in a welding mode, the connecting seats are of U-shaped structures, the connecting seats are connected with pulleys in a rotating mode, the outer surfaces of the pulleys are attached to the outer surface of the extending block, and the connecting seats are distributed along the center of the flaring block in an annular array mode.

Preferably, the flaring gasbag is the silica gel material.

(III) advantageous effects

The invention provides a pipe flaring die which has the following beneficial effects:

(1) when the flaring die is used for flaring a pipe, when the caliber of the pipe needs to be changed, air can be injected into the air guide tube through the air pump, the air can be injected into the flaring airbag through the air guide tube, so that the flaring airbag can be supported, then the caliber of the pipe can be enlarged under the action of the flaring airbag, and the pipe with different calibers can be produced through injecting different amounts of air into the flaring airbag.

(2) When the pipe expanding machine is used, after the pipe is expanded, external air can be sucked into the spiral pipe in the sealing box through the air sucking machine, meanwhile, the two semiconductor refrigerating sheets in the sealing box can cool the spiral pipe, and after the external air enters the spiral pipe, heat exchange can be carried out between the external air and the spiral pipe, so that the temperature of the air can be reduced, the air is injected into the expanding block through the cooling pipe and then is discharged from the plurality of air holes in the expanding block, and therefore the pipe opening of the pipe can be cooled.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the flaring block of the present invention;

FIG. 3 is a schematic view showing the internal structure of the sealing case of the present invention;

fig. 4 is a partial perspective view of the cooling tube according to the present invention.

In the figure: 1. extending the block; 2. a flaring block; 3. flaring the airbag; 4. a connecting rod; 5. an air duct; 6. an air pump; 7. a top plate; 8. a sealing box; 9. a cooling tube; 10. a hydraulic lever; 11. a fixing plate; 12. a base plate; 13. a ring groove; 14. a vent hole; 15. a connecting seat; 16. a pulley; 17. a semiconductor refrigeration sheet; 18. a heat dissipation fan; 19. an aspirator; 20. a spiral tube; 21. an insulating sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

As shown in fig. 1 to 4, the present invention provides a technical solution: a pipe flaring die comprises a stretching-in block 1, a flaring block 2 is connected to the outer surface of the stretching-in block 1 in a sliding mode, a bottom plate 12 is fixed to the top of the flaring block 2 in a welding mode, a fixing plate 11 is fixed to the top of the stretching-in block 1 in a welding mode, a hydraulic rod 10 is fixed to the center of the upper surface of the fixing plate 11 through screws, a top plate 7 corresponding to the bottom plate 12 is fixed to the top end of an output shaft of the hydraulic rod 10 in a welding mode, connecting rods 4 are fixed to four corners of the lower surface of the top plate 7 in a welding mode, the bottom ends of the four connecting rods 4 are fixed to four corners of the upper surface of the bottom plate 12 in a welding mode respectively, the flaring block 2 is of a double-layer structure, an annular groove 13 is formed in the outer surface of the flaring block 2, a flaring airbag 3 is fixed to the inside of the annular groove 13, an air pump 6 is fixed to the upper surface of the, in the use, will stretch into the inside that piece 1 stretched into tubular product, then can drive flaring piece 2 through hydraulic stem 10 to the inside motion of tubular product, can enlarge the bore of tubular product through flaring piece 2, when the bore of needs change tubular product, can inhale the air duct 5 with air through air pump 6 on roof 7, rethread air duct 5 can pour into the air into flaring gasbag 3, then can prop flaring gasbag 3 up, under the effect of flaring gasbag 3, can change the bore of tubular product, through the volume of pouring into different air in flaring gasbag 3, thereby can produce the tubular product of different bores, compare in current flaring mould, this mould can produce the tubular product of different bores, it is more convenient to use.

Further, a sealing box 8 is fixed on the upper surface of the top plate 7 close to the air pump 6 through screws, a cooling tube 9 is fixed at the bottom of the sealing box 8, semiconductor refrigerating sheets 17 are symmetrically fixed on the inner upper surface of the sealing box 8, an air aspirator 19 is fixed at the center of the upper surface of the sealing box 8 through screws, a spiral tube 20 is fixed inside the sealing box 8 at the output end of the air aspirator 19, the bottom end of the spiral tube 20 is fixedly connected with the top end of the cooling tube 9, one end of the cooling tube 9, which is far away from the sealing box 8, is located in the interlayer of the flaring block 2, a plurality of vent holes 14 are formed in the upper side and the lower side of the annular groove 13 on the outer surface of the flaring block 2, when the air-cooling device is used, the spiral tube 20 inside the sealing box 8 can be cooled by the two semiconductor refrigerating sheets 17 inside the sealing box 8, so that the temperature of the spiral tube 20 can be lowered, after the pipe is flared, the outside air, the external air exchanges heat with the spiral pipe 20, so that the temperature of the air can be reduced, and then the reduced-temperature air enters the flaring block 2 through the cooling pipe 9 and is discharged through the plurality of vent holes 14 on the flaring block 2, so that the nozzle of the pipe can be cooled.

Further, the hot junction of two semiconductor refrigeration pieces 17 all is located the upper surface of seal box 8, and the hot junction of two semiconductor refrigeration pieces 17 all is fixed with heat dissipation fan 18, and when semiconductor refrigeration piece 17 worked, heat dissipation fan 18 can dispel the heat for the hot junction of semiconductor refrigeration piece 17 to can make the better work that carries on of semiconductor refrigeration piece 17.

Furthermore, the air duct 5 and the cooling pipe 9 are both metal hoses, so that the service lives of the air duct 5 and the cooling pipe 9 are longer, and the condition of damage is not easy to occur under the influence of external factors.

Further, the outer fixed surface of cooling tube 9 has insulation cover 21, and insulation cover 21 is the asbestos material, and the in-process that air after the cooling entered into flaring piece 2 through cooling tube 9, insulation cover 21 can play heat retaining effect, avoids air after the cooling to exchange heat once more with the air that ambient temperature is higher relatively once more to make the temperature of air after the cooling rise once more.

Furthermore, the maximum stroke of the flaring block 2 is larger than that of the hydraulic rod 10, so that the flaring block 2 and the stretching block 1 are prevented from being separated from each other.

Further, the internal surface welded fastening of flaring piece 2 has a plurality of connecting seats 15, and a plurality of connecting seats 15 are the U-shaped structure, and the inside of a plurality of connecting seats 15 all rotates and is connected with pulley 16, and a plurality of pulleys 16's surface all laminates with the surface that stretches into piece 1 mutually, and a plurality of connecting seats 15 distribute along the central annular array of flaring piece 2, through a plurality of pulleys 16, can make the more smooth and easy slip on stretching into piece 1 of flaring piece 2.

Furthermore, flaring gasbag 3 is the silica gel material, and the silica gel material has stronger tensile ability to high temperature resistant.

In conclusion, the working process of the invention is as follows: in the using process, the stretching block 1 stretches into the pipe, then the hydraulic rod 10 can drive the flaring block 2 to move towards the inside of the pipe, the caliber of the pipe can be enlarged through the flaring block 2, when the caliber of the pipe needs to be changed, air can be sucked into the air guide pipe 5 through the air pump 6 on the top plate 7, then the air can be injected into the flaring airbag 3 through the air guide pipe 5, then the flaring airbag 3 can be supported, the caliber of the pipe can be changed under the action of the flaring airbag 3, and the pipe with different calibers can be produced by injecting different air quantities into the flaring airbag 3, compared with the existing flaring die, the die can produce the pipe with different calibers, the use is more convenient, meanwhile, when in use, the two semiconductor refrigeration sheets 17 in the sealing box 8 can cool the spiral pipe 20 in the sealing box 8, thereby can make the temperature of spiral pipe 20 become very low, after the flaring of tubular product finishes, can inhale the spiral pipe 20 with outside air through aspirator 19, the outside air can take place heat exchange with between the spiral pipe 20 to can make the temperature of air reduce, then the air of reducing the temperature can enter into the flaring block 2 through cooling tube 9, and discharge through a plurality of ventilation holes 14 on the flaring block 2, thereby can cool off for the mouth of pipe department of tubular product.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

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.