CN214290469U

CN214290469U - Crimping machine mould mounting structure

Info

Publication number: CN214290469U
Application number: CN202023275890.7U
Authority: CN
Inventors: 杨日平; 陈真; 杨湘龙
Original assignee: Changsha Heijingang Industrial Co Ltd
Current assignee: Changsha Heijingang Industrial Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-28
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a mould mounting structure of a crimping machine, which comprises at least two moulds for crimping pipe fittings, wherein the moulds are uniformly distributed along the circumferential direction of the pipe fittings and are fan-shaped; the inner wall of the mounting seat is detachably connected with the mold, and all the mounting seats form a mounting assembly; and an adjustment assembly for tensioning the mount and adjusting the position of the mount; a front mold mated with the front portion of the mounting assembly; a rear mold fitted to a rear portion of the mounting assembly; the front part and the rear part of the mounting assembly are cones. The application provides a withhold quick-witted mould mounting structure, the pipe fitting circularity error of withholding out is little, can not influence the assembly and the use of pipe fitting.

Description

Crimping machine mould mounting structure

Technical Field

The utility model belongs to the technical field of the technique of withholding machine design and manufacture and specifically relates to a withhold machine mould mounting structure.

Background

The buckling and pressing machine is a hydraulic device for buckling and pressing a pipe fitting assembly, and is used for firmly buckling and pressing a matched metal joint on a matched high-pressure oil pipe for engineering machinery or a brake pipe, an engine oil pipe, an air conditioner pipe and a power pipe on an automobile by applying a contraction force on a die 1 of the buckling and pressing machine. The crimping machine is suitable for crimping of various mechanical high-low pressure oil pipes, air pipes, water pipes, cable joints, automobile air conditioning pipes, automobile power steering pipes, engine oil pipes, automobile oil supply pipes, building accessories and daily hot water air pipes, and is widely applied to the industries of vehicles, engineering machinery, hydraulic machinery, welding and cutting equipment and the like.

The horizontal crimping machine is a common device for crimping pipelines, and a mold needs to be replaced in the using process of the horizontal crimping machine so as to adapt to different pipe bodies. The withhold of work piece usually is accomplished through the mould combined action of cutting apart into even number piece, for example, 8, 10, 12, and every mould is all installed on the die holding seat, when withholding is originated, gapped between the mould, continuously go on along with withholding the process, this clearance constantly reduces, laminate mutually until each mould lateral wall, in the use, the clearance distance that can appear between each mould is inequality usually, and then make pipe fitting outer wall atress inhomogeneous, the pipe fitting circularity error of withholding out is great, influence the assembly and the use of pipe fitting.

SUMMERY OF THE UTILITY MODEL

The technical problem is solved, an object of the utility model is to provide a withhold quick-witted mould mounting structure, the pipe fitting circularity error of withholding out is little, can not influence the assembly and the use of pipe fitting.

The technical scheme of the utility model as follows:

a die mounting structure comprises dies for buckling a pipe fitting, wherein at least two dies are uniformly distributed along the circumferential direction of the pipe fitting, and the dies are fan-shaped;

the inner wall of the mounting seat is detachably connected with the mold, and all the mounting seats form a mounting assembly;

and an adjustment assembly for tensioning the mount and adjusting the position of the mount;

a front mold mated with the front portion of the mounting assembly;

a rear mold fitted to a rear portion of the mounting assembly;

the front part and the rear part of the mounting assembly are cones.

Preferably, the adjustment assembly comprises a first pull rod connected with the mounting seat;

the inner ring is in threaded connection with the first pull rod;

the second pull rod is connected with the outer side wall of the inner ring;

and the adjusting plate is connected with the second pull rod in a threaded manner and is positioned at the center of the mounting seat in the axial direction of the die.

Preferably, a first spring is arranged between every two adjacent installation bases, and the first springs are arranged inside the two adjacent installation bases.

Preferably, at least two first springs are arranged in the axial direction of the mold.

Preferably, a first fixing plate for fixing the front mold is included;

and a second fixing plate for fixing the rear mold;

the second fixing plate, the first fixing plate and the adjusting plate are parallel.

Preferably, a first limit block is arranged on the side part of the first fixing plate;

and a second limiting block is arranged at the end part of the first fixing plate.

Preferably, a guide shaft passing through the second fixing plate, the adjusting plate and the first fixing plate is included;

a second spring and a third spring are respectively arranged on two sides of the adjusting plate;

the second spring and the third spring are sleeved on the guide shaft.

Preferably, the guiding axle is close to the one end of first fixed plate is equipped with the nut, the nut with guiding axle threaded connection, the nut with first fixed plate supports and leans on.

Preferably, a transition plate is arranged on the direction of the guide shaft away from the mould;

one end of the transition plate is abutted against the second fixing plate;

and the flange plate is detachably connected with the transition plate and is connected with the telescopic end of the oil cylinder assembly.

Preferably, the bottom of the oil cylinder assembly is provided with a V-shaped seat.

The utility model provides a die mounting structure, including the mould that is used for withholding the pipe fitting, the mould is equipped with two at least along the circumferencial direction equipartition of pipe fitting, and the mould is fan-shaped, and the mount pad of being connected can be dismantled with the mould to the inner wall, and the mount pad encloses into the installation component to and be used for taut mount pad and the adjustment subassembly of adjustment mount pad position, with the anterior matched with front mould of installation component, with the rear portion matched with back mould of installation component, the front portion of installation component, rear portion are the cone. The device that withholds the pipe fitting that has the internal diameter circle is assembled into to a plurality of sectorial moulds, the diameter after the internal diameter circle's size decision pipe fitting withholds, withhold when originated, gapped between the mould, along with withhold the process and continuously go on, this clearance constantly reduces, laminate mutually until each mould lateral wall, the clearance distance that can appear between each mould is inequality usually, and then make pipe fitting outer wall atress inhomogeneous, the pipe fitting circularity error of withholding out is great, influence the assembly and the use of pipe fitting. Compared with the prior art, when withholding the process, promote the back mould and move towards the front mould axial, because the front mould, the back mould is the cone, and cooperate with the installation component, and then the axial thrust of back mould converts radial contractility, every mould of the die holding structure that this application provided all is connected with the mount pad, every mount pad atress is different, the mount pad gravity that the mount pad that is located the top receives is different with the mount pad gravity that the below receives, therefore, it is also different to need the tensioning force that every mount pad receives, come taut mount pad through the adjustment subassembly, and adjust the position of mount pad along radial direction, make the clearance between the mount pad (being the clearance between the mould) the same, therefore, the die holding structure that this application provided, make the pipe fitting circularity error of withholding out little, can not influence the assembly and the use of pipe fitting.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a mold mounting structure provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a mold mounting structure provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a die mounting structure provided in an embodiment of the present invention.

Reference numbers in the drawings illustrate: 1. a mold; 2. a front mold; 3. a rear mold; 4. a first pull rod; 5. an inner ring; 6. a second pull rod; 7. an adjustment plate; 8. a first spring; 9. a first fixing plate; 10. a second fixing plate; 11. a first stopper; 12. a second limiting block; 13. a guide shaft; 14. a second spring; 15. a third spring; 16. a nut; 17. a transition plate; 18. a flange plate; 19. an oil cylinder assembly; 20. a V-shaped seat; 22. and (7) mounting a seat.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships, and are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Please show as fig. 1 to fig. 3, the utility model provides a die mounting structure, including the mould 1 that is used for withholding the pipe fitting, mould 1 is equipped with two at least along the circumferencial direction equipartition of pipe fitting, and mould 1 is fan-shaped, and the mount pad 22 of being connected can be dismantled with mould 1 to the inner wall, and mount pad 22 encloses into the installation component to and be used for taut mount pad 22 and the adjustment subassembly of adjusting the mount pad 22 position, with the anterior matched with front mould 2 of installation component, with the rear portion matched with back mould 3 of installation component, the anterior of installation component, the rear portion are the cone. The device that withholds the pipe fitting that has the internal diameter circle is assembled into to a plurality of fan-shaped moulds 1, the diameter after the internal diameter circle is withheld to the size decision pipe fitting, withhold when originated, it is gapped between the mould 1, along with withholding the process and continuously going on, this clearance constantly reduces, laminate mutually until 1 lateral wall of each mould, the clearance distance that can appear between each mould 1 usually is inequality, and then make the pipe fitting outer wall atress inhomogeneous, the pipe fitting circularity error of withholding out is great, influence the assembly and the use of pipe fitting. Compared with the prior art, the rear die 3 is pushed to axially move towards the front die 2 in the buckling process, and because the front die 2 and the rear die 3 are both cones and are matched with the mounting assembly, and then the axial thrust of the rear mould 3 is converted into radial contraction force, each mould 1 of the mould mounting structure provided by the application is connected with the mounting seat 22, the stress of each mounting seat 22 is different, the gravity borne by the mounting seat 22 positioned above is different from the gravity borne by the mounting seat 22 positioned below, it is therefore desirable that each mount 22 be subjected to a different tension, by adjusting the assembly to tension the mounts 22, and the positions of the mounting seats 22 in the radial direction are adjusted so that the gaps between the mounting seats 22 (i.e., the gaps between the molds 1) are the same, therefore, the die mounting structure that this application provided for the pipe fitting circularity error of withholding out is little, can not influence the assembly and the use of pipe fitting.

The adjusting assembly comprises a first pull rod 4 connected with the mounting seat 22, an inner ring 5 connected with the first pull rod 4 in a threaded mode, a second pull rod 6 connected with the outer side wall of the inner ring 5, and an adjusting plate 7 connected with the second pull rod 6 in a threaded mode, and the adjusting plate 7 is located at the center position of the mounting plate and the die 1 in the axial direction. Inner circle 5 and installation component concentric setting, through first pull rod 4, mount pad 22 is connected with first pull rod 4 spiral shell dress, through twisting first pull rod 4 several screw pitches, the axial position of adjustable mount pad 22 and mould 1, and the adjustment precision is high. And the inner ring 5 is connected with the adjusting plate 7 through the second pull rod 6, so that the position of the inner ring 5 can be realized. Preferably, still overlap on the first pull rod 4 and be equipped with elastic component, for example, the spring, support spring one end and lean on first pull rod 4, and the other end supports and leans on the holding tank bottom that holds the spring, and the inside of inner circle 5 is located to the holding tank, and the setting of spring is convenient for the dismantlement of mount pad 22.

Preferably, the first spring 8 is disposed between each two adjacent mounting seats 22, and the first spring 8 is disposed inside two adjacent mounting seats 22, also for equalizing the gap between the molds 1.

At least two first springs 8 are arranged in the axial direction of the die 1, so that the stress on the axis of the die 1 is balanced.

The utility model provides an embodiment, including the first fixed plate 9 that is used for fixing the front mould 2, and the second fixed plate 10 that is used for fixing the back mould 3; the second fixing plate 10, the first fixing plate 9 and the adjusting plate 7 are parallel. First fixed plate 9 and second fixed plate 10 are fixed front mould 2, back mould 3 respectively, and with adjusting plate 7 parallel arrangement, all make front mould 2, back mould 3 laminate with the outer wall of installation component all the time, avoid front mould 2, back mould 3 to take place the drunkenness when withholding.

Wherein, a first limiting block 11 is arranged on the side part of the first fixing plate 9, and a second limiting block 12 is arranged on the end part of the first fixing plate 9. The first limiting block 11 and the second limiting block 12 are arranged to ensure the positioning reference of the first fixing plate 9 in the horizontal direction and the longitudinal direction of the horizontal plane, and then the first positioning plate, the second positioning plate and the adjusting plate 7 are arranged in parallel to ensure that the center lines of the first positioning plate, the second positioning plate and the adjusting plate coincide with the center line of the die 1, so that the roundness precision of the buckled pipe can be further improved.

The utility model provides an in the embodiment, including the guiding axle 13 that passes second fixed plate 10, adjusting plate 7 and first fixed plate 9, the both sides of adjusting plate 7 are equipped with second spring 14, third spring 15 respectively, and second spring 14 and third spring 15 all overlap and locate on guiding axle 13. Preferably, the expansion rate and the length of the second spring 14 and the third spring 15 are the same, and the connection relationship between the second spring 14 and the third spring 15 and the guide shaft 13 is the same, so that the first fixing plate 9 and the adjusting plate 7 are the same, and the distance between the second fixing plate 10 and the adjusting plate 7 is the same, so that the forward and backward movement distance is not the same, and a bell mouth cannot appear, so that the adjusting plate 7 is used as a center, and the distances on both sides are the same, and the situation that the front is large and the back is small or the front is small and the back is large cannot occur.

Wherein, the guiding axle 13 is provided with a nut 16 near one end of the first fixing plate 9, the nut 16 is in threaded connection with the guiding axle 13, and the nut 16 is abutted against the first fixing plate 9. The nut 16 is arranged to avoid the phenomenon that the first fixing plate 9 cannot be separated from the guide shaft 13 due to overlarge stress of the mounting assembly in the buckling process.

The utility model provides an in the embodiment, include to be equipped with cab apron 17 in the direction of keeping away from mould 1 at guiding axle 13, cross cab apron 17 one end and offset with second fixed plate 10 and lean on, can dismantle the ring flange 18 of being connected with cab apron 17, ring flange 18 is connected with hydro-cylinder assembly 19's flexible end, makes back mould 3 be connected reliably with hydro-cylinder assembly 19 like this.

The bottom of the oil cylinder assembly 19 is provided with a V-shaped seat 20, so that the oil cylinder assembly 19 is fixed in position and cannot shake in the buckling process.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The mould mounting structure of the crimping machine is characterized by comprising at least two moulds (1) for crimping a pipe fitting, wherein the moulds (1) are uniformly distributed along the circumferential direction of the pipe fitting, and the moulds (1) are fan-shaped;

the inner wall of the mounting seat (22) is detachably connected with the die (1), and all the mounting seats (22) enclose a mounting assembly;

and an adjustment assembly for tensioning the mount (22) and adjusting the position of the mount (22);

a front mould (2) cooperating with the front part of the mounting assembly;

a rear mold (3) fitted to the rear of the mounting assembly;

the front part and the rear part of the mounting assembly are cones.

2. The crimper die mounting structure according to claim 1, characterized in that said adjustment assembly includes a first tie rod (4) connected with said mounting seat (22);

the inner ring (5) is connected with the first pull rod (4) in a screw mode;

a second pull rod (6) connected with the outer side wall of the inner ring (5);

and the adjusting plate (7) is connected with the second pull rod (6) in a threaded mode, and the adjusting plate (7) is located at the center position of the mounting seat (22) and the die (1) in the axial direction.

3. The crimping machine die mounting structure according to claim 2, wherein a first spring (8) is provided between each of the adjacent mounting seats (22), and the first spring (8) is disposed inside each of the adjacent two mounting seats (22).

4. The crimping machine die mounting structure according to claim 3,

at least two first springs (8) are arranged along the axial direction of the die (1).

5. The crimping machine die mounting structure according to claim 4, characterized by comprising a first fixing plate (9) for fixing the front die (2);

and a second fixing plate (10) for fixing the rear mold (3);

the second fixing plate (10), the first fixing plate (9) and the adjusting plate (7) are parallel.

6. The crimping machine die mounting structure according to claim 5, wherein a first stopper (11) is provided on a side portion of the first fixing plate (9);

and a second limiting block (12) is arranged at the end part of the first fixing plate (9).

7. The crimping machine die mounting structure according to claim 5, characterized by comprising a guide shaft (13) passing through the second fixing plate (10), the adjusting plate (7) and the first fixing plate (9);

a second spring (14) and a third spring (15) are respectively arranged on two sides of the adjusting plate (7);

the second spring (14) and the third spring (15) are sleeved on the guide shaft (13).

8. The crimping machine die mounting structure according to claim 7, wherein a nut (16) is provided at an end of the guide shaft (13) near the first fixing plate (9), the nut (16) is threadedly coupled to the guide shaft (13), and the nut (16) abuts against the first fixing plate (9).

9. The crimping machine die mounting structure according to claim 7, characterized by comprising a transition plate (17) provided on the guide shaft (13) in a direction away from the die (1);

one end of the transition plate (17) is abutted against the second fixing plate (10);

and the flange plate (18) is detachably connected with the transition plate (17), and the flange plate (18) is connected with the telescopic end of the oil cylinder assembly (19).

10. The crimping machine die mounting structure according to claim 9, wherein a V-shaped seat (20) is provided at a bottom of the cylinder assembly (19).