CN213763758U

CN213763758U - Center distance adjustable double-rod pipe expanding head for double-rod pipe expanding machine

Info

Publication number: CN213763758U
Application number: CN202022718347.3U
Authority: CN
Inventors: 姚涛
Original assignee: Qingdao Like Air Conditioning Equipment Co ltd
Current assignee: Qingdao Like Air Conditioning Equipment Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-23
Anticipated expiration: 2030-11-23

Abstract

The utility model provides a double-rod tube expansion head with adjustable center distance for a double-rod tube expansion machine, which comprises a top plate and two horizontally arranged tube expansion heads, wherein the middle part of the lower end of the top plate is fixedly connected with a transversely arranged fixed plate, the upper end of the two tube expansion heads is fixedly connected with a conical connecting plate, the front side and the rear side of the lower end of the top plate are fixedly connected with a mounting plate, the middle parts of the front end and the rear end of the fixed plate are respectively rotatably connected with an adjusting screw rod, the adjusting screw rod is rotatably connected with an I-shaped threaded sleeve through the annular end of the adjusting screw rod, the I-shaped threaded sleeve penetrates through the conical connecting plate and is fixedly connected with the conical connecting plate, the distance between the two tube expansion heads is adjusted through the two adjusting screw rods and the two I-shaped threaded sleeves, the tube expansion treatment with the, the distance between the two tube expansion heads is finely adjusted, and the application range is enlarged.

Description

Center distance adjustable double-rod pipe expanding head for double-rod pipe expanding machine

Technical Field

The utility model relates to a center-to-center distance adjustable two pole expand tube head for two pole expand tube machine belongs to electric tube expander technical field.

Background

The tube expander is a special hydraulic expansion joint device for expansion joint of tubes and tube plates in the manufacture of heat exchangers, condensers, high-pressure heaters and other devices, and has the advantages of low manufacturing cost, light labor intensity, short manufacturing period, uniform and reliable expansion joint quality and the like by using an expansion joint technology. The expansion joint technology has been widely applied to the manufacture of heat exchangers in the fields of petrifaction, electric power, boilers, nuclear power, refrigeration and the like, wherein a double-rod pipe expander is one of expansion joint devices, and a double-rod pipe expander head is only one of accessories of the double-rod pipe expander.

At present, the double-rod pipe expanding head for the double-rod pipe expanding machine is of an integral structure, but the center distances of the expanding pipes of equipment with different specifications are inconsistent, so that the double-rod pipe expanding head cannot meet the expanding pipe expanding work of the equipment with different specifications, the application range of the double-rod pipe expanding machine can be seriously influenced, and therefore, the double-rod pipe expanding head with the adjustable center distance for the double-rod pipe expanding machine needs to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a center distance adjustable two pole expand tube heads for two pole expand tube machine to solve the expand tube center distance inconsistency of the different specification equipment that proposes in the above-mentioned background art, lead to two pole expand tube heads can't satisfy the expand tube to the equipment of different specifications and carry out expanded joint work, can seriously influence the problem of two pole expand tube machine application range, the utility model discloses distance between two expand tube heads of adjustment promotes application range.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the double-rod tube expanding head with the adjustable center distance for the double-rod tube expanding machine comprises a top plate and two horizontally arranged tube expanding heads, wherein a fixed plate is fixedly connected with the middle of the lower end of the top plate in a transverse mode, a conical connecting plate and two conical connecting plates are fixedly connected with the upper ends of the two tube expanding heads and are located on the front side and the rear side of the fixed plate, a mounting plate and a mounting plate are fixedly connected with the front side and the rear side of the lower end of the top plate, the mounting plate and the mounting plate are located on one side, away from the fixed plate, of the conical connecting plate, the middle positions of the front end and the rear end of the fixed plate are rotatably connected with an adjusting screw rod, the adjusting screw rod is in threaded connection with an I-shaped threaded sleeve at the annular end and is located between the mounting plate and the fixed plate, and the I-shaped threaded sleeve penetrates through the conical connecting plate and is fixedly connected with the conical connecting plate.

Furthermore, both ends are equal symmetry fixed connection two guide bars and two guide bars are in the adjusting screw left and right sides around the fixed plate, the guide bar runs through the toper connecting plate and with toper connecting plate sliding connection.

Furthermore, two threaded holes are symmetrically formed in the fixing plate, and a connecting stud is fixedly arranged in the middle of one end of the guide rod, opposite to the fixing plate, and is in threaded connection with the inside of the threaded hole.

Furthermore, one end of the guide rod, which is far away from the fixed plate, penetrates through the mounting plate and is fixedly connected with the limiting disc.

Further, toper connecting plate upper end fixed connection is dull and stereotyped and is in between mounting panel and the fixed plate, dull and stereotyped laminating sets up at the roof lower extreme, a plurality of conducting bar and conducting bar that the equidistance was arranged about setting up between mounting panel and the fixed plate are fixed at the roof lower extreme, a plurality of spout and spout sliding connection are seted up to dull and stereotyped upper end equidistance on the conducting bar.

Further, first upper end fixed connection T template of expand tube, the laminating of T template upper end sets up the diaphragm, diaphragm upper end middle part fixed connection toper connecting plate, diaphragm upper end symmetry laminating sets up two broach type supports and is in both sides around the toper connecting plate, broach type support upper end equidistance sets up a plurality of fastening bolt, fastening bolt runs through the cavity of broach type support, the transverse part and the threaded connection fastening nut of diaphragm and T template.

Furthermore, a plurality of mounting holes with steps are uniformly formed in the top plate.

The utility model has the advantages that: the utility model discloses a center distance adjustable double-rod tube expanding head for double-rod tube expanding machine.

1. Rotate two adjusting screw simultaneously, make two I-shaped threaded sleeves move inwards or outwards along corresponding adjusting screw, and then drive two toper connecting plates and move inwards or outwards to adjust the distance between two bloated tube heads, satisfy with the expand tube of different specifications and carry out the expand tube and handle, promote application range, when the size of expand tube appears the deviation in addition, can rotate an adjusting screw, realize finely tuning the distance between two bloated tube heads, increase application scope.

2. Through fastening bolt and fastening nut, realize quick assembly disassembly between diaphragm and the T template, the dismouting expand tube head of being convenient for, utilize the cavity of broach type support to make fastening bolt's screw rod portion appear exposing one end in addition, when fastening bolt and fastening nut can ' T dismantle because of phenomenons such as rust, can cut off fastening bolt's the end that exposes, convenient to detach through the instrument.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a double-rod pipe expander with adjustable center distance for the double-rod pipe expander of the present invention;

fig. 2 is a bottom view of the top plate in the double-rod pipe expander head with adjustable center distance for the double-rod pipe expander of the utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is the utility model discloses a cross-sectional view of toper connecting plate in double-rod expand tube head of double-rod expand tube machine centre-to-centre spacing adjustable.

In the figure: the device comprises a 1-expansion head, a 2-mounting plate, a 3-conical connecting plate, a 4-fixing plate, a 5-top plate, a 6-adjusting screw, a 7-I-shaped threaded sleeve, a 31-flat plate, a 32-comb-shaped support, a 33-transverse plate, a 34-T-shaped plate, a 35-fastening nut, a 36-fastening bolt, a 37-sliding chute, a 41-threaded hole, a 42-stud, a 51-guide rod, a 52-limiting disc and a 53-guide strip.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: a double-rod tube expanding head with adjustable center distance for a double-rod tube expanding machine comprises a top plate 5 and two horizontally arranged tube expanding heads 1, wherein tube expanding treatment is carried out on expanded tubes through the tube expanding heads 1, the middle part of the lower end of the top plate 5 is fixedly connected with a fixed plate 4 which is transversely arranged, the upper ends of the two tube expanding heads 1 are fixedly connected with conical connecting plates 3, the two conical connecting plates 3 are arranged on the front side and the rear side of the fixed plate 4, the front side and the rear side of the lower end of the top plate 5 are fixedly connected with mounting plates 2, the mounting plates 2 are arranged on the sides, far away from the fixed plate 4, of the conical connecting plates 3, the middle parts of the front end and the rear end of the fixed plate 4 are rotatably connected with adjusting screws 6, one ends, far away from the fixed plate 4, of the adjusting screws 6 are rotatably connected with the mounting plates 2 through the fixed plate 4 and the mounting plates 2, the adjusting screws 6 are in threaded connection with I-shaped threaded sleeves 7 at the annular ends and the I-shaped threaded sleeves 7 are arranged between the mounting plates 2 and the fixed plate 4, the rotary motion of the adjusting screw 6 is converted into a linear motion by means of an i-shaped threaded sleeve 7, which i-shaped threaded sleeve 7 penetrates the conical connection plate 3 and is fixedly connected with the conical connection plate 3.

Specifically, at first according to the design demand, rotate two adjusting screw 6 simultaneously, because of adjusting screw 6 and i-shaped threaded sleeve 7 threaded connection, so adjusting screw 6 rotates and makes i-shaped threaded sleeve 7 move along adjusting screw 6 inwards or outwards simultaneously, and then drives two toper connecting plates 3 and move inwards or outwards, thereby adjust the distance between two bloated tube heads 1, satisfy and carry out the expand tube with the expand tube of different specifications and handle, promote application range, when the size of expand tube appears the deviation in addition, can rotate an adjusting screw 6, realize finely tuning the distance between two bloated tube heads 1, increase application scope.

Two guide bars 51 of equal symmetry fixed connection in both ends and two guide bars 51 are in adjusting screw 6 left and right sides around fixed plate 4, and guide bar 51 runs through toper connecting plate 3 and with toper connecting plate 3 sliding connection, specifically, through guide bar 51, remove toper connecting plate 3 and lead, increase toper connecting plate 3's mobility stability.

Two threaded holes 41 are symmetrically formed in the fixing plate 4, the guide rod 51 is fixedly connected with the stud 42 at the middle position of one end of the fixing plate 4, the stud 42 is in threaded connection with the threaded holes 41, and particularly, the guide rod 51 is quickly disassembled and assembled through the threaded holes 41 and the stud 42, so that the guide rod 51 is convenient to maintain and replace.

The guide rod 51 deviates from the fixed plate 4 and one end thereof penetrates through the mounting plate 2 and is fixedly connected with the limiting disc 52, and particularly, the guide rod 51 can be rotated through the limiting disc 52, so that the guide rod 51 can be conveniently disassembled and assembled, and the mounting position of the guide rod 51 is limited.

Dull and stereotyped 31 and dull and stereotyped 31 of 3 upper ends fixed connection of toper connecting plate are in between mounting panel 2 and fixed plate 4, dull and stereotyped 31 laminating sets up at 5 lower extremes of roof, a plurality of conducting bar 53 and conducting bar 53 that arrange about the equidistance sets up between mounting panel 2 and fixed plate 4 are fixed at 5 lower extremes of roof, a plurality of spout 37 and spout 37 sliding connection are seted up to dull and stereotyped 31 upper end equidistance on conducting bar 53, specifically, through dull and stereotyped 31, be used for guaranteeing 3 vertical state of toper connecting plate, prevent that 3 removal of toper connecting plate from taking place to rock, in addition through spout 37 and conducting bar 53, the realization is led the removal of dull and stereotyped 31.

The upper end of the tube expansion head 1 is fixedly connected with a T-shaped plate 34, the upper end of the T-shaped plate 34 is attached with a transverse plate 33, the middle position of the upper end of the transverse plate 33 is fixedly connected with a conical connecting plate 3, the upper end of the transverse plate 33 is symmetrically attached with two comb-tooth-shaped supports 32, the two comb-tooth-shaped supports 32 are positioned at the front side and the rear side of the conical connecting plate 3, a plurality of fastening bolts 36 are equidistantly arranged at the upper end of the comb-tooth-shaped supports 32, the fastening bolts 36 penetrate through the cavity of the comb-tooth-shaped supports 32, the transverse parts of the transverse plate 33 and the T-shaped plate 34 and are in threaded connection with fastening nuts 35, particularly, the transverse plate 33 and the T-shaped plate 34 are quickly disassembled and assembled through the fastening bolts 36 and the fastening nuts 35, the tube expansion head 1 is convenient to disassemble and assemble, in addition, the cavity of the comb-tooth-shaped supports 32 is utilized to expose one end of the screw rod part of the fastening bolt 36, when the fastening bolts 36 and the fastening nuts 35 can not be disassembled due to the phenomenon of iron rust and the like, the exposed ends of the fastening bolts 36 can be cut off by a tool, is convenient to disassemble.

Evenly set up a plurality of mounting holes with steps on roof 5, specifically, through taking the mounting hole with steps, can be with roof 5 fixed to the installation carrier on, and then realize installing two bloated tube heads 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a center distance adjustable two pole expand tube head for two pole expand tube machine which characterized in that: the device comprises a top plate (5) and two horizontally arranged tube expansion heads (1), wherein the middle part of the lower end of the top plate (5) is fixedly connected with a transversely arranged fixed plate (4), the upper end of each tube expansion head (1) is fixedly connected with a conical connecting plate (3) and the two conical connecting plates (3) are positioned at the front side and the rear side of the fixed plate (4), the front side and the rear side of the lower end of the top plate (5) are fixedly connected with a mounting plate (2) and the mounting plate (2) is positioned at one side of the conical connecting plate (3) deviating from the fixed plate (4), the middle parts of the front end and the rear end of the fixed plate (4) are rotatably connected with an adjusting screw rod (6) and one end of the adjusting screw rod (6) deviating from the fixed plate (4) is rotatably connected with the mounting plate (2), the annular end of the adjusting screw rod (6) is in threaded connection with an I-shaped threaded sleeve (7) and the I-shaped threaded sleeve (7) is positioned between the mounting plate (2) and the fixed plate (4), the I-shaped threaded sleeve (7) penetrates through the conical connecting plate (3) and is fixedly connected with the conical connecting plate (3).

2. The double-rod pipe expander head with the adjustable center distance for the double-rod pipe expander according to claim 1, is characterized in that: two guide rods (51) are symmetrically and fixedly connected with the front end and the rear end of the fixing plate (4), the two guide rods (51) are located on the left side and the right side of the adjusting screw rod (6), and the guide rods (51) penetrate through the conical connecting plate (3) and are in sliding connection with the conical connecting plate (3).

3. The double-rod pipe expander head with the adjustable center distance for the double-rod pipe expander according to claim 2, is characterized in that: two threaded holes (41) are symmetrically formed in the fixing plate (4), the guide rod (51) is fixedly connected with the stud (42) at the middle position of one end of the fixing plate (4) relative to the stud (42), and the stud (42) is in threaded connection with the inner portion of the threaded hole (41).

4. The double-rod pipe expander head with the adjustable center distance for the double-rod pipe expander according to claim 2, is characterized in that: one end of the guide rod (51) departing from the fixed plate (4) penetrates through the mounting plate (2) and is fixedly connected with the limiting disc (52).

5. The double-rod pipe expander head with the adjustable center distance for the double-rod pipe expander according to claim 1, is characterized in that: toper connecting plate (3) upper end fixed connection is dull and stereotyped (31) and is in between mounting panel (2) and fixed plate (4), dull and stereotyped (31) laminating sets up at roof (5) lower extreme, a plurality of conducting bar (53) and conducting bar (53) that arrange about the equidistance sets up between mounting panel (2) and fixed plate (4) are fixed at roof (5) lower extreme, a plurality of spout (37) and spout (37) sliding connection are seted up to dull and stereotyped (31) upper end equidistance on conducting bar (53).

6. The double-rod pipe expander head with the adjustable center distance for the double-rod pipe expander according to claim 1, is characterized in that: expand tube head (1) upper end fixed connection T template (34), the laminating sets up diaphragm (33) on T template (34), diaphragm (33) upper end middle part fixed connection toper connecting plate (3), diaphragm (33) upper end symmetry laminating sets up two broach type supports (32) and is in both sides around toper connecting plate (3), broach type support (32) upper end equidistance sets up a plurality of fastening bolt (36), fastening bolt (36) run through the transverse part and threaded connection fastening nut (35) of cavity, diaphragm (33) and T template (34) of broach type support (32).

7. The double-rod pipe expander head with the adjustable center distance for the double-rod pipe expander according to claim 1, is characterized in that: and a plurality of mounting holes with steps are uniformly formed in the top plate (5).