CN213317092U

CN213317092U - Water expansion machine die mechanism for pipe fitting

Info

Publication number: CN213317092U
Application number: CN202022086202.6U
Authority: CN
Inventors: 王锡铭; 王瑞良; 瞿新科; 陆云飞
Original assignee: WUXI JINYANG PIPING FITTING CO Ltd
Current assignee: WUXI JINYANG PIPING FITTING CO Ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-01
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to a pipe fitting water bloated machine correlation technique field just discloses a pipe fitting is with water bloated machine mould mechanism, including bed die and last mould, it is located the bed die and laminates each other with the fitting surface of last mould to go up the mould, next pipe fitting embedded groove has transversely been seted up on the top surface of bed die, and next flaring groove has been seted up at the both ends of next pipe fitting embedded groove, and the bottom surface of going up the mould transversely is seted up and is gone up the pipe fitting embedded groove corresponding with next pipe fitting embedded groove, and the last flaring groove that corresponds with next flaring groove is seted up at the both ends of last pipe fitting embedded groove, the through hole has all been seted up at the front and the back of bed die. This water expansion machine mould mechanism for pipe fitting avoids the pipe fitting card in last mould, and the effectual area of contact that reduces between bed die inside wall and the pipe fitting of each component structure in the guarantee mechanism takes out machine-shaping's pipe fitting to be convenient for relevant operating personnel.

Description

Water expansion machine die mechanism for pipe fitting

Technical Field

The utility model relates to a pipe fitting water bloated relevant technical field of machine specifically is a pipe fitting is with water bloated quick-witted mould mechanism.

Background

The water bloated machine belongs to the machinery that extends on the basis of the hydraulic principle, it utilizes pressure to pressurize to the liquid in the finite space, warp to the material through water pressure and bring to the shape of close mould, when the drift of water bloated machine carries out high-pressure impact to the pipe fitting through the mould location, the lateral wall of pipe fitting can closely laminate with the mould inside wall, after the pipe fitting is processed and is accomplished, the pipe fitting generally can block on last mould or bed die, need relevant operating personnel to pull out the fashioned pipe fitting, relevant operating personnel's operating strength has been increased, therefore the inventor has designed a water bloated machine die mechanism for pipe fitting, solve above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a water expansion machine mould mechanism for pipe fitting has solved the problem that the pipe fitting was not convenient for take out in the mould after punching press deformation in the water expansion machine.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water bloated quick-witted mould mechanism for pipe fitting, includes bed die and last mould, go up the mould and be located the bed die directly over and laminate each other with the fitting surface of last mould, the next pipe fitting embedded groove has transversely been seted up to the top surface of bed die, and next flaring groove has been seted up at the both ends of next pipe fitting embedded groove, and the bottom surface of going up the mould transversely is seted up and is gone up the pipe fitting embedded groove corresponding with next pipe fitting embedded groove, and the last flaring groove that corresponds with next flaring groove is seted up at the both ends of going up the pipe fitting embedded groove.

The through hole has all been seted up at the front and the back of bed die, the lower groove of accomodating that is linked together with lower pipe fitting embedded groove is seted up to the top surface symmetry of bed die, the through hole is accomodate the groove with corresponding lower and is linked together, the interior screw thread ring is all installed to the inboard of two through holes, the equal threaded connection in screw thread inboard of two interior screw thread rings has adjusting screw, the screw thread end of two adjusting screw all extends to the inboard of corresponding lower groove of accomodating and has the centre gripping arc board through rotary joint swing joint, the bottom surface symmetry of going up the mould is seted up and is accomodate the groove with the lower corresponding upper of accomodating the groove, the centre gripping arc board is located and accomodates between the inboard in groove.

Preferably, two the inboard radian radius of centre gripping arc board equals with the circular internal diameter in cross-section of lower pipe fitting embedded groove and upper pipe fitting embedded groove, and two centre gripping arc boards, upper pipe fitting embedded groove and the cross-sectional shape of lower pipe fitting embedded groove under the cooperation state are complete circular, and the cross-sectional radian of upper pipe fitting embedded groove is less than the cross-sectional radian of lower pipe fitting embedded groove.

Preferably, the clamping arc plate is in transition fit with the inner side walls of the corresponding upper accommodating groove and the corresponding lower accommodating groove.

Preferably, the arc inner diameters of the upper flaring groove and the lower flaring groove are equal, the section radian of the upper flaring groove is equal to that of the lower flaring groove, and the section shapes of the upper flaring groove and the lower flaring groove form a complete circle, so that the clamping and positioning stability of the pipe fitting between the upper die and the lower die is guaranteed.

Preferably, the inner sides of the upper storage groove and the lower storage groove are provided with storage gaps corresponding to the clamping arc plates, so that the clamping arc plates can be pushed and pulled at the inner sides of the corresponding upper storage groove and the corresponding lower storage groove.

Preferably, threaded mounting holes are formed in four corners of the upper surface of the lower die, so that the mounting stability of the lower die on equipment is guaranteed.

(III) advantageous effects

The utility model provides a water expansion machine mould mechanism for pipe fitting. The method has the following beneficial effects:

(1) the water expansion machine die mechanism for the pipe fittings separates a traditional upper die and a traditional lower die into a plurality of combined structures, when the water expansion machine die mechanism is used, the pipe fittings are placed on the inner side of a lower pipe fitting embedded groove, then two adjusting screw rods synchronously rotate, the adjusting screw rods push corresponding clamping arc plates under the thread meshing of an inner thread ring, so that the clamping arc plates can preliminarily clamp and fix the pipe fittings in the lower pipe fitting embedded groove, then the upper die and the lower die are closed, the tops of the two clamping arc plates are respectively embedded into the inner sides of an upper accommodating groove of the upper die, the lower die and the clamping arc plates form a complete pipe fitting positioning die, the stable positioning of the pipe fittings during processing is ensured, after the two ends of the pipe fittings are subjected to high-pressure treatment deformation through a punch of a water expansion machine, the two ends of the pipe fittings are deformed, and flaring of the upper die is separated from the lower, at this moment, the pipe fitting is prevented from being clamped in the upper die under the clamping limitation of the two clamping arc plates, and then the two adjusting screw rods are reversely rotated, so that the arc-shaped inner side walls of the clamping arc plates are separated from the side surfaces of the pipe fitting and are accommodated into the inner sides of the corresponding lower accommodating grooves, the contact area between the inner side walls of the lower die and the pipe fitting is effectively reduced, and the pipe fitting which is formed by machining is taken out by related operators.

(2) This water bloated quick-witted mould mechanism for pipe fitting is through offering down on bed die and last mould respectively and accomodate the groove and upper accomodating the groove for the centre gripping arc board can carry out the centre gripping location and accomodate the centre gripping arc board to the pipe fitting under last mould and the closed state of bed die, the stability of complex between each component structure in the guarantee mechanism.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the upper mold, the lower mold and the clamping arc plate of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the lower mold in a top view.

In the figure: the device comprises a lower die 1, an upper die 2, a lower pipe fitting embedded groove 3, an upper pipe fitting embedded groove 4, a lower flaring groove 5, an upper flaring groove 6, a lower containing groove 7, an upper containing groove 8, a through hole 9, an internal thread ring 10, an adjusting screw rod 11 and a clamping arc plate 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a water bloated quick-witted die mechanism for pipe fitting, including bed die 1 and last mould 2, the screw thread mounting hole has all been seted up to the upper surface four corners department of bed die 1, guarantee the installation stability of bed die 1 on equipment, it is laminated each other with the fitting surface of last mould 2 to go up mould 2 and be located bed die 1 directly over, lower pipe fitting embedded groove 3 has transversely been seted up to the top surface of bed die 1, lower flaring groove 5 has been seted up at the both ends of lower pipe fitting embedded groove 3, go up the bottom surface of mould 2 and transversely seted up the last pipe fitting embedded groove 4 corresponding with lower pipe fitting embedded groove 3, the last flaring groove 6 corresponding with lower flaring groove 5 has been seted up at the both ends of going up pipe fitting embedded groove 4.

The front and the back of the lower die 1 are both provided with through holes 9, the top surface of the lower die 1 is symmetrically provided with lower accommodating grooves 7 communicated with the lower pipe fitting embedded groove 3, the through holes 9 are communicated with the corresponding lower accommodating grooves 7, inner threaded rings 10 are respectively arranged on the inner sides of the two through holes 9, the inner sides of the threads of the two inner threaded rings 10 are respectively in threaded connection with adjusting screws 11, the thread ends of the two adjusting screws 11 are respectively extended to the inner sides of the corresponding lower accommodating grooves 7 and are movably connected with clamping arc plates 12 through rotary joints, the adjusting length of the adjusting screws 11 is greater than the accommodating distance between the upper accommodating groove 8 and the lower accommodating groove 7, the bottom surface of the upper die 2 is symmetrically provided with an upper accommodating groove 8 corresponding to the lower accommodating groove 7, the clamping arc plates 12 are positioned between the inner sides of the corresponding upper accommodating groove 8 and the lower accommodating groove 7, preferably, the radius of the inner side radian of the two clamping arc plates 12 is equal to the inner diameter of the cross section of the lower pipe fitting embedded groove 3 and the upper pipe fitting embedded groove 4, the cross section of the two clamping arc plates 12, the upper pipe fitting embedded groove 4 and the lower pipe fitting embedded groove 3 in a matched state is a complete circle, the cross section of the upper pipe fitting embedded groove 4 is smaller than that of the lower pipe fitting embedded groove 3, the matched relation between the clamping arc plates 12 and the inner side walls of the corresponding upper accommodating groove 8 and the corresponding lower accommodating groove 7 is transition fit, the arc inner diameters of the upper flaring groove 6 and the lower flaring groove 5 are equal, the cross section radian of the upper flaring groove 6 is equal to that of the lower flaring groove 5, the cross section of the upper flaring groove 6 and the cross section of the lower flaring groove 5 form a complete circle, the clamping and positioning stability of the pipe fitting between the upper die 2 and the lower die 1 is guaranteed, and the accommodating gaps of the corresponding clamping arc plates 12 are reserved on the inner sides of the upper accommodating groove 8 and the, the clamping arc plates 12 can be pushed and pulled inside the corresponding upper receiving grooves 8 and the lower receiving grooves 7.

The working principle is as follows: when the device is used, a pipe is placed on the inner side of the lower pipe fitting embedded groove 3, then the two adjusting screws 11 are synchronously rotated, so that the adjusting screws 11 push the corresponding clamping arc plates 12 under the thread meshing of the inner thread ring 10, the clamping arc plates 12 preliminarily clamp and fix the pipe positioned in the lower pipe fitting embedded groove 3, then the upper die 2 and the lower die 1 are matched, the tops of the two clamping arc plates 12 are respectively embedded into the inner sides of the upper accommodating grooves 8 of the upper die 2, so that the upper die 2, the lower die 1 and the clamping arc plates 12 form a complete pipe positioning die, the stable positioning of the pipe during processing is ensured, after the two ends of the pipe are subjected to high-pressure treatment deformation through a punch of a water expansion machine, flaring deformation is carried out on the two ends of the pipe, the upper die 2 is separated from the lower die 1, and the pipe is clamped and limited by the two clamping arc plates 12 at the moment, avoid the pipe fitting card in last mould 2, then carry out reverse rotation with two adjusting screw 11 for the arc inside wall of centre gripping arc board 12 breaks away from the side of pipe fitting and accomodates the inboard that gets into corresponding lower storage tank 7, and the relevant operating personnel of being convenient for takes out machine-shaping's pipe fitting.

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. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a water bloated quick-witted mould mechanism for pipe fitting, includes bed die and last mould, its characterized in that: the upper die is positioned right above the lower die and is mutually attached to the matching surface of the upper die, a lower pipe fitting embedding groove is transversely formed in the top surface of the lower die, lower flaring grooves are formed in two ends of the lower pipe fitting embedding groove, an upper pipe fitting embedding groove corresponding to the lower pipe fitting embedding groove is transversely formed in the bottom surface of the upper die, and upper flaring grooves corresponding to the lower flaring grooves are formed in two ends of the upper pipe fitting embedding groove;

2. The die mechanism of the water expander for pipe fittings according to claim 1, wherein: two the inboard radian radius of centre gripping arc board equals with the circular internal diameter homogeneous phase in cross-section of next pipe fitting embedded groove and upper pipe fitting embedded groove, and the cross-sectional shape under two centre gripping arc boards, upper pipe fitting embedded groove and the next pipe fitting embedded groove matched state is complete circular, and the cross-sectional radian of upper pipe fitting embedded groove is less than the cross-sectional radian of next pipe fitting embedded groove.

3. The die mechanism of the water expander for pipe fittings according to claim 1, wherein: the clamping arc plate is in transition fit with the inner side walls of the corresponding upper accommodating groove and the corresponding lower accommodating groove.

4. The die mechanism of the water expander for pipe fittings according to claim 1, wherein: the arc inner diameters of the upper flaring groove and the lower flaring groove are equal, the section radian of the upper flaring groove is equal to that of the lower flaring groove, and the section shapes of the upper flaring groove and the lower flaring groove form a finished circle.

5. The die mechanism of the water expander for pipe fittings according to claim 1, wherein: the inner sides of the upper accommodating groove and the lower accommodating groove are provided with accommodating gaps corresponding to the clamping arc plates.

6. The die mechanism of the water expander for pipe fittings according to claim 1, wherein: and four corners of the upper surface of the lower die are provided with threaded mounting holes.