CN217512706U - Tube expansion device of double-tube-plate heat exchanger - Google Patents

Abstract

The utility model relates to the technical field of heat exchanger production and processing, in particular to a double-tube plate heat exchanger tube expansion device which is convenient for quick feeding and discharging and improves the working efficiency; the method comprises the following steps: the device comprises a base, a support seat, a processing groove, a lifting groove, a power mechanism and a lifting mechanism, wherein two groups of side plates are arranged on the base; the jacking shaft penetrates through the side plate provided with the power mechanism in a sliding manner, the power mechanism is used for driving the jacking shaft to move along the axis direction, and the jacking shaft is detachably provided with the pipe expanding die; the lifting plate is installed on the side wall of the supporting seat in a lifting mode, two sets of first ejector blocks and two sets of second ejector blocks are fixedly arranged on the lifting plate, the two sets of first ejector blocks are installed in the two sets of jacking grooves in a sliding mode respectively, and the two sets of second ejector blocks penetrate through the bottom of the output end of the feeding groove in a sliding mode.

Description

Tube expansion device of double-tube-plate heat exchanger

Technical Field

The utility model relates to a technical field of heat exchanger production and processing especially relates to a double tube sheet heat exchanger expand tube device.

Background

The double-tube plate heat exchanger adopts the combination of a tube and a plate for heat exchange, wherein a tube loop is connected in a mode of a plurality of tube ports to ports, and the tube needs to be expanded and flared in the connection process; the existing pipe expanding device needs manual auxiliary feeding and discharging in the using process, so that the production efficiency of the pipe expanding device is low, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a double-tube-plate heat exchanger expand tube device convenient to go up unloading fast promotes work efficiency.

The utility model discloses a double-tube-plate heat exchanger expand tube device, include:

the device comprises a base, wherein two groups of side plates are arranged on the base, a supporting seat is arranged in the middle of the base, a discharge chute and a feeding chute are obliquely arranged on two sides of the supporting seat, a processing groove is transversely arranged on the top of the supporting seat, two groups of jacking grooves communicated with the processing groove are vertically arranged in a penetrating manner, and a power mechanism is arranged on one group of side plates;

the jacking shaft penetrates through a side plate provided with a power mechanism in a sliding manner, the power mechanism is used for driving the jacking shaft to move along the axis direction, and the jacking shaft is detachably provided with a pipe expanding die;

the lifter plate, the lifter plate goes up and down to install on the lateral wall of supporting seat, it is provided with two sets of first kicking blocks and two sets of second kicking blocks to fix on the lifter plate, and is two sets of first kicking block difference slidable mounting is at two sets of jacking inslot, and is two sets of the second kicking block slides and passes the output bottom of silo, power unit drives the lifter plate and goes up and down when the removal of drive apical axis.

Furthermore, a cross beam is fixedly installed between the two groups of side plates, a lifting shaft is vertically and slidably installed on the cross beam, a pressing plate is arranged at one end, close to the supporting seat, of the lifting shaft, the pressing plate is located right above the processing groove, and the power mechanism drives the lifting shaft to lift along the axis direction while driving the jacking shaft to move.

Furthermore, a guide block is fixedly arranged between the supporting seat and the feeding groove, the section of the guide block is in a right trapezoid shape, the edge of the acute angle on the guide block is higher than the output end of the feeding groove, and the edge of the obtuse angle on the guide block is flush with the top end of the supporting seat.

Further, the power mechanism comprises a power table fixedly mounted on the side plate, a guide rail is arranged on the power table along the axis direction of the top shaft, a strip-shaped groove penetrates through the power table, a sliding block is slidably mounted on the guide rail and fixedly connected with the top shaft, a connecting seat is fixedly arranged on the sliding block, the connecting seat penetrates through the strip-shaped groove in a sliding manner and extends into the position below the power table, and a first connecting rod is rotatably mounted on the connecting seat;

the vertical first telescopic link of installing on the lifter plate, fixedly connected with bracing piece on the first telescopic link, the bracing piece rotates with first connecting rod to be connected, the outside cover of first telescopic link is equipped with first spring, the both ends of first spring respectively with lifter plate and bracing piece fixed connection, install sharp feed mechanism on the power bench for the drive slider removes along the guide rail.

Furtherly, still include L type connecting rod, L type connecting rod comprises horizontal segment and vertical section, the vertical section and the slider fixed connection of L type connecting rod, the horizontal segment tip of L type connecting rod rotates installs the second connecting rod, lift off-axial top fixedly connected with second telescopic link, the fixed articulated seat that is provided with in second telescopic link top, articulated seat rotates with the second connecting rod to be connected, the cover is equipped with the second spring on the second telescopic link, the both ends of second spring respectively with articulated seat and lift off-axial fixed connection.

Further, linear feed mechanism is including rotating the lead screw of installing on the power bench, the lead screw axis is parallel with the apical axis, the screw suit cover is equipped with screw-nut on the lead screw, power bench still fixed mounting has the motor, the motor is used for driving the lead screw rotatory along self axis.

Furthermore, a sinking groove is formed in one end, close to the pipe fitting expansion opening, of the discharge groove.

Further, a fixing block and a bolt rod are fixedly mounted on the side plate without the top shaft, a fixing nut is arranged on the fixing block, the bolt rod is inserted into the fixing nut in a threaded mode and penetrates through the fixing block, the bolt rod and the axis of the machining groove are collinear, and a top head is fixedly arranged at one end, close to the machining groove, of the L-shaped connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that: the pipe fitting to be subjected to pipe expansion flaring is placed in the feeding groove, and the pipe fitting can roll towards the output end of the feeding groove due to the fact that the feeding groove is obliquely arranged and is influenced by gravity; start through control power unit, make power unit drive apical axis keep away from the supporting seat, the drive lifter plate risees simultaneously, the second kicking block has the silo below to insert to the silo output when the lifter plate risees, to go up the pipe fitting jack-up of silo bottommost, make it roll into the processing inslot portion, then control power unit drive apical axis is close to the supporting seat, drive the lifter plate decline this moment, after the expand tube mould is accomplished the pipe fitting flaring on the processing groove, repeat the above-mentioned process, the lifter plate risees this moment, the second kicking block is by last silo to the processing groove in the kicking, first kicking block does benefit to the slope and pushes up to the ejection tank inside with the pipe fitting top of accomplishing the flaring on the processing groove, through the aforesaid setting, be convenient for go up fast, and improve work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an isometric view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of structural connections of a support base and a discharge chute;

FIG. 4 is an exploded schematic view of the structure of FIG. 3;

FIG. 5 is an enlarged schematic view of the spout construction;

FIG. 6 is an enlarged view of the structural connection of the L-shaped link with a second link;

FIG. 7 is an enlarged view of the structural connection of the lift shaft to the platen;

FIG. 8 is an enlarged schematic view of a structural connection of a bolt shank with a retaining nut or the like;

in the drawings, the reference numbers: 1. a base; 2. a side plate; 3. a supporting seat; 4. a discharge chute; 5. a feeding trough; 6. a power mechanism; 7. a top shaft; 8. expanding a pipe die; 9. processing a tank; 10. jacking a groove; 11. a lifting plate; 12. a first top block; 13. a second top block; 14. a slope; 15. a cross beam; 16. a lifting shaft; 17. pressing a plate; 18. a guide block; 19. a power stage; 20. a guide rail; 21. a strip-shaped groove; 22. a slider; 23. a connecting seat; 24. a first link; 25. a first telescopic rod; 26. a support bar; 27. a first spring; 28. an L-shaped connecting rod; 29. a second link; 30. a second telescopic rod; 31. a hinged seat; 32. a second spring; 33. a lead screw; 34. a lead screw nut; 35. a motor; 36. sinking the tank; 37. a fixed block; 38. a bolt shank; 39. ejecting; 40. and fixing the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are the directions or positional relationships indicated on the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.

As shown in fig. 1 to 5, the utility model discloses a double-tube plate heat exchanger tube expansion device, include:

the device comprises a base 1, wherein two groups of side plates 2 are arranged on the base 1, a supporting seat 3 is arranged in the middle of the base 1, a discharging groove 4 and a feeding groove 5 are obliquely arranged on two sides of the supporting seat 3, a processing groove 9 is transversely arranged on the top of the supporting seat 3, two groups of jacking grooves 10 communicated with the processing groove 9 are vertically arranged in a penetrating manner, and a power mechanism 6 is arranged on one group of side plates 2;

the jacking shaft 7 penetrates through the side plate 2 provided with the power mechanism 6 in a sliding mode, the power mechanism 6 is used for driving the jacking shaft 7 to move along the axis direction, and the jacking shaft 7 is detachably provided with the pipe expanding die 8;

the lifting plate 11 is installed on the side wall of the supporting seat 3 in a lifting mode, two groups of first jacking blocks 12 and two groups of second jacking blocks 13 are fixedly arranged on the lifting plate 11, the two groups of first jacking blocks 12 are installed in the two groups of jacking grooves 10 in a sliding mode respectively, the two groups of second jacking blocks 13 penetrate through the bottom of the output end of the feeding groove 5 in a sliding mode, and the power mechanism 6 drives the lifting plate 11 to lift while driving the jacking shaft 7 to move;

in the embodiment, the pipe fitting to be expanded is placed in the feeding chute 5, and because the feeding chute 5 is obliquely arranged, the pipe fitting rolls towards the output end of the feeding chute 5 under the influence of gravity; start through control power unit 6, make 6 drive apical axis 7 of power unit keep away from supporting seat 3, drive lifter plate 11 risees simultaneously, second kicking block 13 has last silo 5 below to insert supreme silo 5 output when lifter plate 11 risees, will go up the pipe fitting jack-up of silo 5 bottommost, make it roll into processing groove 9 inside, then control 6 drive apical axis 7 of power unit is close to supporting seat 3, drive lifter plate 11 and descend this moment, after 8 completion pipe fitting flaring on to processing groove 9 of expand tube mould, repeat above-mentioned process, lifter plate 11 risees this moment, second kicking block 13 is by last silo 5 when to the last liftout of processing groove 9, first kicking block 12 does benefit to slope 14 and pushes up to inside discharge chute 4 with the pipe fitting that accomplishes the flaring on processing groove 9, through the aforesaid setting, be convenient for quick, and improve work efficiency.

Preferably, as shown in fig. 1 and 7, a cross beam 15 is fixedly installed between the two sets of side plates 2, a lifting shaft 16 is vertically installed on the cross beam 15 in a sliding manner, a pressing plate 17 is arranged at one end of the lifting shaft 16 close to the supporting seat 3, the pressing plate 17 is positioned right above the processing tank 9, and the power mechanism 6 drives the lifting shaft 16 to lift along the axial direction while driving the top shaft 7 to move;

in the embodiment, the lifting shaft 16 and the pressure plate 17 are controlled to descend until the pipe is pressed on the processing tank 9, so that the pipe is conveniently and fixedly clamped.

As shown in fig. 3 to 4, preferably, a guide block 18 is further fixedly arranged between the support seat 3 and the feeding chute 5, the section of the guide block 18 is a right trapezoid, the edge of the acute angle on the guide block 18 is higher than the output end of the feeding chute 5, and the edge of the obtuse angle on the guide block 18 is flush with the top end of the support seat 3;

in this embodiment, through setting up guide block 18, be convenient for carry on spacing the pipe fitting of material loading chute 5 output and shelter from.

As shown in fig. 4 and 6, preferably, the power mechanism includes a power table 19 fixedly mounted on the side plate 2, a guide rail 20 is disposed on the power table 19 along the axial direction of the top shaft 7, a strip-shaped groove 21 is penetratingly disposed on the power table 19, a slide block 22 is slidably mounted on the guide rail 20, the slide block 22 is fixedly connected with the top shaft 7, a connecting seat 23 is fixedly disposed on the slide block 22, the connecting seat 23 slidably penetrates through the strip-shaped groove 21 and extends into the lower portion of the power table 19, and a first connecting rod 24 is rotatably mounted on the connecting seat 23;

a first telescopic rod 25 is vertically arranged on the lifting plate 11, a support rod 26 is fixedly connected to the first telescopic rod 25, the support rod 26 is rotatably connected with the first connecting rod 24, a first spring 27 is sleeved outside the first telescopic rod 25, two ends of the first spring 27 are respectively fixedly connected with the lifting plate 11 and the support rod 26, and a linear feeding mechanism is arranged on the power table 19 and used for driving the sliding block 22 to move along the guide rail 20;

in the embodiment, the linear feeding mechanism drives the slider 22 to move, and under the connecting action of the connecting seat 23 and the first connecting rod 24, the slider 22 drives the top shaft 7 and the tube expansion die 8 to approach the supporting seat 3, and at the same time, the first connecting rod 24 can drive the supporting rod 26 to descend; and when apical axis 7 and expand tube mould 8 keep away from supporting seat 3, drive bracing piece 26 rises, through setting up first telescopic link 25 and first spring 27, be favorable to when the lifter plate 11 descends to the extreme lower position, leave the spatial distance that continues to descend for bracing piece 26, be convenient for control apical axis 7 and lifter plate 11's synchronism.

As a preferred technical solution, as shown in fig. 6 to 7, the lifting device further includes an L-shaped connecting rod 28, the L-shaped connecting rod 28 is composed of a horizontal section and a vertical section, the vertical section of the L-shaped connecting rod 28 is fixedly connected with the slider 22, a second connecting rod 29 is rotatably mounted at an end of the horizontal section of the L-shaped connecting rod 28, a second telescopic rod 30 is fixedly connected to the top of the lifting shaft 16, a hinged seat 31 is fixedly arranged at the top of the second telescopic rod 30, the hinged seat 31 is rotatably connected with the second connecting rod 29, a second spring 32 is sleeved on the second telescopic rod 30, and two ends of the second spring 32 are respectively fixedly connected with the hinged seat 31 and the lifting shaft 16;

in this embodiment, when the top shaft 7 is driven by the slider 22 to approach the pipe, the right end of the second link 29 is driven to move rightwards under the connecting action of the L-shaped link 28, because both ends of the second link 29 are respectively rotatably connected with the right end of the L-shaped link 28 and the hinge seat 31, the second link 29 drives the hinge seat 31 to move downwards, because the elastic force of the second spring 32 is larger, the hinge seat 31 drives the second telescopic rod 30, the second spring 32 and the lifting shaft 16 to move downwards until the pressing plate 17 presses the outer wall of the pipe on the processing groove 9, at this time, the fixing of the pipe is completed, and then the top shaft 7 continues to move, and the expanding die 8 is inserted into the opening of the pipe, so as to perform the flaring process; meanwhile, the lifting shaft 16 and the pressing plate 17 are kept static, and the hinged seat 31 overcomes the elastic force of the second spring 32 and moves downwards relative to the lifting shaft 16 until the flaring process is finished; through the arrangement, the pipe fitting can be synchronously fixed while the pipe fitting is flared, the structure is simple, and the operation is stable.

Preferably, as shown in fig. 6, the linear feeding mechanism includes a screw 33 rotatably mounted on the power stage 19, an axis of the screw 33 is parallel to an axis of the top shaft 7, a screw nut 34 is screwed on the screw 33, a motor 35 is further fixedly mounted on the power stage 19, and the motor 35 is used for driving the screw 33 to rotate along its own axis;

in this embodiment, the motor 35 is started to drive the lead screw 33 to rotate, and the lead screw 33 is connected with the lead screw nut 34 through screws, so that the lead screw nut 34 drives the slider 22 to move, and the lead screw nut is driven by the lead screw nut, which is beneficial to controlling the feed length of the top shaft 7 and further controlling the length of the expansion pipe.

As a preferable mode of the above technical solution, as shown in fig. 5, a sink groove 36 is provided at one end of the discharging groove 4 close to the pipe fitting expansion opening;

in this embodiment, through the above arrangement, since the pipe fitting is expanded after the opening, the diameter is larger than the rest of the pipe fitting, and the sinking groove 36 is arranged to empty the expanded opening, so that the deviation of the pipe fitting in the rolling process is reduced, and the discharging stability of the equipment is improved.

Preferably, as shown in fig. 8, a fixed block 37 and a bolt rod 38 are fixedly mounted on the side plate 2 without the top shaft 7, a fixed nut 40 is arranged on the fixed block 37, the bolt rod 38 is inserted into the fixed nut 40 in a threaded manner and passes through the fixed block 37, the bolt rod 38 is collinear with the axis of the processing groove 9, and a top 39 is fixedly arranged at one end of the L-shaped connecting rod 28 close to the processing groove 9;

in this embodiment, by screwing the plug 39, the length of the bolt rod 38 extending between the two sets of side plates 2 can be controlled by using the screw connection effect of the bolt rod 38 and the fixing nut 40, so that the plug 39 can be controlled to tightly plug pipes with different lengths, and the applicability of the equipment is improved.

The utility model discloses a double-tube-plate heat exchanger expand tube device, its mounting means, connected mode or set up the mode and be common mechanical system, as long as can reach all can implement of its beneficial effect.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A tube expansion device of a double-tube plate heat exchanger is characterized by comprising:

the device comprises a base (1), wherein two groups of side plates (2) are arranged on the base (1), a supporting seat (3) is arranged in the middle of the base (1), discharge chutes (4) and feeding chutes (5) are obliquely arranged on two sides of the supporting seat (3), a processing groove (9) is transversely arranged at the top of the supporting seat (3), two groups of jacking grooves (10) communicated with the processing groove (9) are vertically arranged in a penetrating manner, and a power mechanism (6) is arranged on one group of side plates (2);

the pipe expanding die comprises a top shaft (7), wherein the top shaft (7) penetrates through a side plate (2) provided with a power mechanism (6) in a sliding mode, the power mechanism (6) is used for driving the top shaft (7) to move along the axis direction, and a pipe expanding die (8) is detachably mounted on the top shaft (7);

lifter plate (11), lifter plate (11) goes up and down to install on the lateral wall of supporting seat (3), it is fixed on lifter plate (11) to be provided with two sets of first kicking blocks (12) and two sets of second kicking blocks (13), and is two sets of first kicking blocks (12) are slidable mounting respectively in two sets of jacking grooves (10), and are two sets of second kicking blocks (13) slide and pass the output bottom of last silo (5), power unit (6) are when drive apical axis (7) remove, and drive lifter plate (11) go up and down.

2. The tube expanding device of the double-tube plate heat exchanger as claimed in claim 1, wherein a cross beam (15) is fixedly installed between two sets of side plates (2), a lifting shaft (16) is vertically and slidably installed on the cross beam (15), a pressing plate (17) is arranged at one end of the lifting shaft (16) close to the supporting seat (3), the pressing plate (17) is located right above the processing groove (9), and the power mechanism (6) drives the lifting shaft (16) to lift along the axial direction while driving the top shaft (7) to move.

3. The tube expansion device of the double-tube plate heat exchanger as claimed in claim 1, wherein a guide block (18) is fixedly arranged between the support seat (3) and the feeding groove (5), the section of the guide block (18) is a right trapezoid, the edge of an acute angle on the guide block (18) is higher than the output end of the feeding groove (5), and the edge of an obtuse angle on the guide block (18) is flush with the top end of the support seat (3).

4. The double-tube-plate heat exchanger tube expanding device according to claim 2, wherein the power mechanism comprises a power table (19) fixedly mounted on the side plate (2), a guide rail (20) is arranged on the power table (19) along the axial direction of the top shaft (7), a strip-shaped groove (21) is arranged on the power table (19) in a penetrating manner, a sliding block (22) is slidably mounted on the guide rail (20), the sliding block (22) is fixedly connected with the top shaft (7), a connecting seat (23) is fixedly arranged on the sliding block (22), the connecting seat (23) slidably penetrates through the strip-shaped groove (21) and extends to the position below the power table (19), and a first connecting rod (24) is rotatably mounted on the connecting seat (23);

vertical first telescopic link (25) of installing on lifter plate (11), fixedly connected with bracing piece (26) is gone up in first telescopic link (25), bracing piece (26) rotate with first connecting rod (24) and are connected, the outside cover of first telescopic link (25) is equipped with first spring (27), the both ends of first spring (27) respectively with lifter plate (11) and bracing piece (26) fixed connection, install sharp feed mechanism on power platform (19) for drive slider (22) remove along guide rail (20).

5. The double-tube-plate heat exchanger tube expansion device according to claim 4, further comprising an L-shaped connecting rod (28), wherein the L-shaped connecting rod (28) is composed of a horizontal section and a vertical section, the vertical section of the L-shaped connecting rod (28) is fixedly connected with the sliding block (22), a second connecting rod (29) is rotatably installed at the end of the horizontal section of the L-shaped connecting rod (28), a second telescopic rod (30) is fixedly connected to the top of the lifting shaft (16), a hinged seat (31) is fixedly arranged at the top of the second telescopic rod (30), the hinged seat (31) is rotatably connected with the second connecting rod (29), a second spring (32) is sleeved on the second telescopic rod (30), and two ends of the second spring (32) are fixedly connected with the hinged seat (31) and the lifting shaft (16) respectively.

6. The double-tube plate heat exchanger tube expanding device according to claim 4, wherein the linear feeding mechanism comprises a lead screw (33) rotatably mounted on the power table (19), the axis of the lead screw (33) is parallel to the axis of the top shaft (7), a lead screw nut (34) is screwed on the lead screw (33), a motor (35) is fixedly mounted on the power table (19), and the motor (35) is used for driving the lead screw (33) to rotate along the axis of the motor.

7. The double tube plate heat exchanger tube expansion device according to claim 1, wherein a sink groove (36) is arranged at one end of the discharge groove (4) close to the tube expansion opening.

8. The double-tube plate heat exchanger tube expansion device of claim 5, wherein a fixed block (37) and a bolt rod (38) are fixedly installed on the side plate (2) without the top shaft (7), a fixed nut (40) is arranged on the fixed block (37), the bolt rod (38) is inserted into the fixed nut (40) in a threaded mode and penetrates through the fixed block (37), the bolt rod (38) is collinear with the axis of the processing groove (9), and a top head (39) is fixedly arranged at one end, close to the processing groove (9), of the L-shaped connecting rod (28).

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