CN111906181B

CN111906181B - A press a mouthful device for pipe fitting

Info

Publication number: CN111906181B
Application number: CN202010712785.0A
Authority: CN
Inventors: 杨震
Original assignee: Hangzhou Xingnuo Auto Parts Co ltd
Current assignee: Hangzhou Xingnuo Auto Parts Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2022-07-29
Anticipated expiration: 2040-07-22
Also published as: CN111906181A

Abstract

The utility model relates to a pressure mouth device for pipe fitting, it includes the frame, has set gradually the pneumatic cylinder in the frame from top to bottom, goes up stamping die and lower stamping die, pneumatic cylinder body and frame fixed connection, and the pneumatic cylinder supplies stamping die to being close to or keeping away from down the stamping die direction removal, lower stamping die includes pressure-bearing seat and bed die, bed die and pressure-bearing seat fixed connection, and the bed die is located the pressure-bearing seat top surface, and the bed die is provided with a plurality of and adjacent bed die diameter specification inequality, and the fixed plummer that is provided with in the frame, bottom surface and plummer top surface butt on the plummer are located to the pressure-bearing seat, and pressure-bearing seat bottom surface is provided with the motor, motor body and frame fixed connection, and the axis of rotation and the pressure-bearing seat of motor are inserted and are inlayed and be connected, and the motor is located the plummer on one side, and the bed die that is located the plummer top uses with the cooperation. This application has and requires according to the pipe fitting wall thickness, swiftly processes out the effect of different wall thickness pipe fittings.

Description

A press a mouthful device for pipe fitting

Technical Field

The application relates to the field of pipe fitting stamping, in particular to a mouth pressing device for a pipe fitting.

Background

At present, pipe fittings are applied in various industries, in the processing of automobile parts, pipe parts occupy a large proportion, a hydraulic machine is used as common equipment for pipe fitting processing, the processing of pipe workpieces usually adopts the processes of stamping, cold extrusion, straightening and the like, and most of main pipe fittings forming a pipe column assembly in an automobile are stamped by the hydraulic machine.

In view of the above related technologies, the inventor believes that the defects of a single wall thickness and a limited application scenario of a pipe fitting exist in a pipe fitting formed by stamping.

Disclosure of Invention

In order to improve the pipe fitting of stamping forming, the pipe fitting wall thickness is single, the defect that the pipe fitting applied the scene and limits, this application provides a pressure mouthful device for pipe fitting.

The application provides a press a mouthful device for pipe fitting adopts following technical scheme:

a mouth pressing device for a pipe fitting comprises a rack, wherein a hydraulic cylinder, an upper stamping die and a lower stamping die are sequentially arranged on the rack from top to bottom, a hydraulic cylinder body is fixedly connected with the rack, a piston rod of the hydraulic cylinder is fixedly connected with the upper stamping die, the upper stamping die is slidably connected with the rack, the hydraulic cylinder is used for moving the upper stamping die towards the direction close to or away from the lower stamping die, the lower stamping die comprises a pressure bearing seat and a lower die, the pressure bearing seat is horizontally arranged, the lower die is fixedly connected with the pressure bearing seat, the lower die is positioned on the top surface of the pressure bearing seat, a plurality of adjacent lower dies are arranged on the lower die, the diameters of the adjacent lower dies are different, a bearing platform is fixedly arranged on the rack and is positioned below the upper stamping die and horizontally arranged, a motor is arranged on the bottom surface of the pressure bearing seat, the motor body is fixedly connected with the rack, and the rotating shaft of the motor is connected with the pressure bearing seat in an inserting and embedding manner, the vertical central line of motor axis of rotation and the vertical central line collineation of bearing seat, the motor is located the plummer by one side, and the bottom surface that the bearing seat is located the plummer is with plummer top surface butt, and the lower mould that is located the plummer top uses with the cooperation of upper punch.

By adopting the technical scheme, the rack provides fixed positions for other components forming the pressure port device, the hydraulic cylinder is started, the hydraulic cylinder pushes the upper stamping die to move towards the direction close to or away from the lower stamping die, the pressure bearing seat provides a position for fixing the lower die, meanwhile, the pressure bearing seat provides a pressure bearing platform for the stamping action of the upper stamping die, an interval is arranged between the adjacent lower dies, a space is reserved for the pipe fitting to be sleeved on the lower die and the stamping action of the upper stamping die to the lower die, the bearing platform is arranged to enable part of the pressure bearing seat to bear the force on the bearing platform, meanwhile, the stable placement of the pressure bearing seat is realized by matching with a fixed point provided for the pressure bearing seat by the motor body, the motor is arranged to enable the pressure bearing seat to rotate to the lower dies with different specifications to be right below the upper stamping die by taking the rotating shaft of the motor as the rotating center and rotating relative to the bearing platform, the motor is started, and the pressure bearing seat rotates to enable the lower dies with different specifications to rotate to be right below the upper stamping die, establish the pipe fitting cover on the bed die, start the pneumatic cylinder, make and go up stamping die and carry out the punching press action to the bed die, then go up stamping die and reset, accomplish the processing of pipe fitting, the bed die of different diameter specifications, the pipe fitting external diameter that the cooperation was gone up stamping die processing and is the same but the wall thickness is different, reaches according to pipe fitting wall thickness requirement, and the effect of different wall thickness pipes is swiftly processed out.

Preferably, be provided with the cylinder between motor and the frame, cylinder body and frame fixed connection, the piston rod and the motor body fixed connection of cylinder, cylinder power supply motor body is to being close to or keeping away from the bearing seat direction removal.

By adopting the technical scheme, when the bearing seat needs to rotate, the air cylinder is started, the piston rod of the air cylinder lifts the motor with the bearing seat upwards, so that a gap is formed between the bottom of the bearing seat and the top of the bearing platform, the motor is started, the rotating shaft of the motor drives the bearing seat to rotate, a lower die meeting the pipe fitting processing requirement is moved to the position right below an upper punching die, and the gap formed between the bottom of the bearing seat and the top of the bearing platform reduces the friction resistance generated when the bearing seat rotates relative to the bearing platform, improves the rotating efficiency of the bearing seat, reduces the abrasion of the bearing seat and the bearing platform, so that the application achieves the effect of quickly processing pipes with different wall thicknesses according to the pipe wall thickness requirement; after the bearing seat rotates and finishes, the piston rod of the cylinder resets, the bearing seat descends, the bearing seat ground abuts against the top surface of the bearing table, the upper stamping die performs stamping action on the lower die, the bearing table bears most of downward pressure brought by the upper stamping die, damage to the piston rod of the cylinder and the rotating shaft of the motor is reduced, and the service life of the cylinder and the motor is prolonged.

Preferably, the constant head tank has been seted up to the pressure-bearing seat bottom surface, the vertical central line of constant head tank and the vertical central line collineation of pressure-bearing seat, the fixed locating piece that is provided with in the motor axis of rotation, the locating piece is inserted and is inlayed in the constant head tank, locating piece outer wall and constant head tank inner wall butt, and it is spacing that locating piece power supply motor axis of rotation inlays with the pressure-bearing seat card.

Through adopting above-mentioned technical scheme, the locating piece is inserted and is inlayed in the constant head tank, when making the axis of rotation of motor rotate, through the mutual spacing of locating piece and constant head tank, make the motor axis of rotation drive the bearing seat and rotate, realized the drive effect of motor axis of rotation to the bearing seat, reduced the emergence of the relative bearing seat phenomenon of skidding of axis of rotation, promoted the rotation efficiency of bearing seat, reached this application and according to the pipe fitting wall thickness requirement, swiftly processed out the effect of different wall thickness pipe fittings.

Preferably, the bearing groove has been seted up to the bearing seat bottom surface, the bearing groove opening is downward, the vertical central line collineation of bearing groove vertical central line and constant head tank, the degree of depth of seting up of the vertical direction of bearing groove is less than the degree of depth of seting up of the vertical direction of constant head tank, the horizontal projection of bearing groove covers the horizontal projection of constant head tank completely, the fixed carrier ring that is provided with on the locating piece, carrier ring cover is on locating piece circumference outer wall, part locating piece inserts and inlays in the constant head tank, and the locating piece outer wall and the constant head tank cell wall butt that are located the constant head tank, the carrier ring is close to the lateral wall and the bearing groove cell wall butt of bearing seat simultaneously.

Through adopting above-mentioned technical scheme, when partial locating piece is inserted and is inlayed in the constant head tank, the carrier ring inlay card increased the spacing effect of motor axis of rotation to the pressure bearing seat in the carrier groove and with carrier groove cell wall butt, promoted the rotation efficiency of motor to the pressure bearing seat, the area of contact of locating piece with the pressure bearing seat has still been increased simultaneously in the setting of carrier ring, has increased the stability that locating piece and pressure bearing seat are connected.

Preferably, the locating piece is fixedly provided with a reinforcing ring, the reinforcing ring is sleeved on the circumferential outer wall of the locating piece, the reinforcing ring is located below the bearing ring, a reinforcing rod is arranged between the reinforcing ring and the bearing ring, the reinforcing rod is obliquely and upwards arranged along the direction of the central line of the locating piece, the bottom end of the reinforcing rod is fixedly connected with the reinforcing ring, the top end of the reinforcing rod is fixedly connected with the bottom of the bearing ring, the reinforcing rod is provided with a plurality of reinforcing rods, and adjacent reinforcing rods are circumferentially distributed along the vertical central line of the locating piece.

Through adopting above-mentioned technical scheme, the weight of pressure-bearing seat passes through the stiffener and transmits for the beaded finish, and the beaded finish has certain bearing capacity with the stiffener itself, and the part pressure that the stiffener transmitted is shared to the beaded finish, has reduced the pressure that the locating piece received, has promoted spacing and the bearing capacity of locating piece to the pressure-bearing seat simultaneously.

Preferably, the rack is provided with a support rod, the support rod is vertically arranged, the bottom end of the support rod is fixedly connected with the rack, and the top end of the support rod is abutted against the bottom of the bearing table.

Through adopting above-mentioned technical scheme, the bracing piece set up the strong point that has replaced the motor to the bearing seat provides, make the cylinder drive the motor and can break away from the bearing seat completely, bearing seat one end is placed on the plummer, the other end is placed and is reached stable state of placing on the bracing piece, thoroughly break away from the motor and the cylinder of bearing seat, reach and avoid bearing, the bearing seat receives the holding down force that upper punch die utensil transmitted when punching press, has prolonged the life of motor and cylinder.

Preferably, the bearing seat is the cylinder form, the rotation groove has been seted up on the plummer, the rotation groove is seted up with the bearing seat adaptation that is located the plummer, the part that the bearing seat is located the plummer is inserted and is inlayed in the rotation groove, the outer wall that the bearing seat is located the rotation groove and is rotated groove cell wall butt, bearing seat top surface and plummer top surface parallel and level, the relative rotation groove of bearing seat rotates the setting, the ring channel has been seted up to the bearing seat bottom surface, the annular groove ring cover is outside at the bearing groove, there is the distance between ring channel and the bearing groove, the vertical central line collineation of ring channel and bearing groove, the bracing piece top is inserted and is inlayed in the ring channel, the outer wall that the bracing piece is located the ring channel and the cell wall butt of ring channel.

Through adopting above-mentioned technical scheme, the setting of rotating groove and ring channel makes the bearing seat receive horizontal external force, plays horizontal limiting displacement to the bearing seat, avoids the horizontal displacement of bearing seat to cause the influence to pipe fitting stamping process, has guaranteed that the bearing seat is stably placed under last stamping die, has promoted pipe fitting stamping efficiency, reaches the effect of swift processing out the pipe fitting.

Preferably, the bearing table is provided with an inserting groove which is vertically arranged, the horizontal projection of the inserting groove is arc-shaped, the arc concave surface is arranged right opposite to the rotating groove, the arc radian is the same as the radian of the circumferential outer wall of the bearing seat, the inserting groove is arranged adjacent to the rotating groove, the minimum distance between the inserting groove and the rotating groove is arranged at equal intervals, the bearing platform is provided with a limiting part in an inserting and embedding manner, the limiting part comprises a vertical plate and a horizontal plate, the vertical plate and the horizontal plate are both arc plates, the top of the vertical plate is fixedly connected with the bottom of the horizontal plate, the shortest distance between one end of the horizontal plate, far away from the vertical plate, and the vertical plate is invariable all the time, one end of the horizontal plate, far away from the vertical plate, is positioned on the bearing seat, the vertical plate is inserted and embedded in the inserting groove, and the outer wall of the vertical plate is abutted against the inner wall of the inserting groove, simultaneously the bottom surface that the horizontal plate is located on the bearing seat butts with the bearing seat top surface, is provided with a plurality of screws on the horizontal plate, and the screw runs through horizontal plate and plummer threaded connection.

Through adopting above-mentioned technical scheme, insert the caulking groove and provide for the setting of locating part and insert the position, vertical board provides fixed position for the horizontal plate, inserts the molding design of caulking groove and locating part, is the molding of adaptation bearing seat and sets up, when the bearing seat received vertical external force, horizontal plate cooperation screw had played vertical limiting displacement to the bearing seat, had guaranteed the stable placing when stamping process was carried out to the stamping die on the bearing seat cooperation, reached the effect to the swift processing of pipe fitting.

Preferably, the limiting groove has been seted up on the screw, and a week is seted up along screw outer wall level in the limiting groove, and the vertical central line collineation of limiting groove and screw, stop collar have spacing gasket on the limiting groove, and spacing gasket uses the vertical central line of screw as the axis of rotation, and the screw runs through the horizontal plate, the nut and the horizontal plate top surface butt of screw, spacing gasket top surface and horizontal plate bottom surface butt.

Through adopting above-mentioned technical scheme, the spacing groove provides mounted position for the installation of spacing gasket, makes spacing gasket can't break away from the screw, and does not rotate along with the rotation of screw, and when the screw was rotatory to keeping away from plummer direction screw thread, spacing gasket drove the locating part and removed to keeping away from the plummer direction, provides convenience for the lifting and the rotation of bearing seat.

Preferably, set up hidden groove on the plummer, hidden the trench in the horizontal plate below, screw and plummer threaded connection, spacing gasket are accomodate at hidden inslot, horizontal plate bottom surface and plummer top surface butt.

Through adopting above-mentioned technical scheme, the setting of hiding the groove makes spacing gasket accomodate completely in hiding the inslot, guarantees horizontal plate bottom surface and plummer top surface butt to guarantee the abundant area of contact of horizontal plate and bearing seat top surface, promote the spacing effect of locating part to the bearing seat.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the motor is arranged to drive the pressure bearing seat to rotate, the pressure bearing seat rotates to enable lower dies with different specifications to rotate to the position right below the upper punching die, and the upper punching die is matched with the lower dies to process the pipe fitting, so that the effect of quickly processing the pipe fitting with different wall thicknesses according to the wall thickness requirement of the pipe fitting is achieved;

2. the piston rod of the cylinder lifts the motor with the pressure-bearing seat upwards, so that a gap is formed between the bottom of the pressure-bearing seat and the top of the bearing platform, the friction resistance generated when the pressure-bearing seat rotates relative to the bearing platform is reduced, the rotation efficiency of the pressure-bearing seat is improved, and the effect of quickly processing pipes with different wall thicknesses according to the wall thickness requirement of the pipe is achieved;

3. The setting of locating part plays vertical spacing effect to the bearing seat, has guaranteed the stable placing when stamping process is carried out to the stamping die on the bearing seat cooperation, reaches the effect of the swift processing of pipe fitting.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a bottom view of the overall structure of an embodiment of the present application;

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

FIG. 4 is an exploded view of a portion of the structure at the position of the position limiting member;

fig. 5 is an enlarged view of a portion B of fig. 4.

Description of reference numerals: 1. a frame; 2. a hydraulic cylinder; 3. an upper stamping die; 4. a lower stamping die; 41. a pressure bearing seat; 411. positioning a groove; 412. a bearing groove; 413. an annular groove; 42. a lower die; 5. a bearing table; 51. a rotating groove; 52. inserting the caulking groove; 53. a hidden slot; 6. a motor; 61. positioning blocks; 611. a load ring; 612. a reinforcement ring; 613. a reinforcing bar; 62. a cylinder; 7. a support bar; 8. a limiting member; 81. a vertical plate; 82. a horizontal plate; 9. a screw; 91. a limiting groove; 92. spacing gasket.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a pressure mouthful device for pipe fitting.

Referring to fig. 1, a mouth pressing device for a pipe fitting comprises a frame 1, a hydraulic cylinder 2, an upper stamping die 3 and a lower stamping die 4 are sequentially arranged on the frame 1 from top to bottom, the hydraulic cylinder 2 is vertically arranged, the top end of the hydraulic cylinder 2 is fixedly connected with the frame 1, the bottom end of the hydraulic cylinder 2 is fixedly connected with the top of the upper stamping die 3, the upper stamping die 3 is slidably connected with the frame 1, the sliding direction slides along the direction close to or away from the lower stamping die 4, the lower stamping die 4 comprises a bearing seat 41 and a lower die 42, the bearing seat 41 is rotatably arranged relative to the frame 1, the lower die 42 is vertically arranged, the bottom end of the lower die 42 is fixedly connected with the top of the bearing seat 41, a plurality of lower dies 42 are arranged, and the adjacent lower dies 42 have different diameter specifications, but have the same outer diameter and are matched with the upper stamping die 3; the lower die 42 is used for being matched with a pipe fitting for use, a stamping model is provided for the pipe fitting, the lower die 42 meeting the processing requirement is rotated to the position under the upper stamping die 3 by rotating the pressure bearing seat 41, the upper stamping die 3 is driven towards the direction close to the lower die 42 by the hydraulic cylinder 2, the upper stamping die 3 is matched with the lower die 42 to stamp the pipe fitting sleeved on the lower die 42 into the shape of the outer contour of the lower die 42, the processing procedure of the pipe fitting is completed, the wall thickness requirement of the pipe fitting is met, and the pipe fitting with different wall thicknesses is rapidly processed.

Referring to fig. 2 and 3, the pressure bearing seat 41 is cylindrical, the bearing table 5 is arranged between the pressure bearing seat 41 and the rack 1, the bearing table 5 is a rectangular strip body, the horizontal projection portions of the bearing table 5 and the pressure bearing seat 41 are overlapped, the bearing table 5 is fixedly connected with the rack 1, the top surface of the bearing table 5 is provided with a rotating groove 51, the pressure bearing seat 41 is partially positioned in the rotating groove 51, the outer wall of the pressure bearing seat 41 positioned in the rotating groove 51 is abutted against the inner wall of the rotating groove 51, and the top surface of the pressure bearing seat 41 is flush with the top surface of the bearing table 5 after the pressure bearing seat 41 is positioned in the rotating groove 51; a cylinder 62 and a motor 6 are arranged between the bottom of the bearing seat 41 and the rack 1, the cylinder 62 and the motor 6 are positioned beside the bearing table 5, the cylinder 62 and the motor 6 are both vertically arranged, the vertical center line of the cylinder 62 and the motor 6 is collinear with the vertical center line of the bearing seat 41, a positioning groove 411 is formed in the center of the bottom surface of the bearing seat 41, the positioning groove 411 is vertically formed, the vertical center line of the positioning groove 411 is collinear with the vertical center line of the bearing seat 41, the positioning groove 411 is a rectangular groove, a cylinder 62 body is fixedly connected with the rack 1, a piston rod of the cylinder 62 is fixedly connected with a motor 6 body, a positioning block 61 is fixedly arranged at the end part of a rotating shaft of the motor 6 close to the bearing seat 41, the positioning block 61 is a rectangular block, one end of the positioning block 61, which is far away from the motor 6, is inserted into the positioning groove 411, and the outer wall, of the positioning block 61, which is positioned in the positioning groove 411, is abutted to the groove wall of the positioning groove 411; one end of the bearing seat 41 is set up in the rotating groove 51, and cooperates with the supporting point provided by the motor 6 for the bearing seat 41, to realize the stable placement of the bearing seat 41, when the pipe fittings with different wall thicknesses need to be processed, the cylinder 62 is started, the cylinder 62 lifts the motor 6 and the bearing seat 41 upwards, so that a gap is generated between the bottom of the bearing seat 41 and the bottom of the rotating groove 51, the frictional resistance generated between the bearing seat 41 and the rotating groove 51 is reduced, the motor 6 is started, the motor 6 is limited by the positioning block 61 and the positioning groove 411, the rotating shaft of the motor 6 drives the bearing seat 41 to rotate, so that the lower die 42 on the bearing seat 41, which meets the processing requirements, is moved to the right below the upper stamping die 3, the cylinder 62 is reset, the part of the bearing seat 41 on the bearing platform 5 falls back into the rotating groove 51, the upper stamping die 3 performs the stamping action on the lower die 42, and most of the lower pressure brought by the bearing seat 41 is born by the bearing platform 5, reach extension motor 6 and cylinder 62 life's effect, pressure-bearing seat 41 pivoted mode of setting makes the bed die 42 of different specifications rotate to under the upper stamping die 3, and the cooperation is gone up stamping die 3 and is carried out the processing of pipe fitting, reaches according to pipe fitting wall thickness requirement, and the effect of swift processing out different wall thickness pipe fittings.

Referring to fig. 3, a bearing ring 611 is fixedly disposed on the positioning block 61, the bearing ring 611 is located at a portion of the positioning block 61, where the positioning slot 411 is exposed, the bearing ring 611 is sleeved on the circumferential outer wall of the positioning block 61, the outer profile of the bearing ring 611 is circular, a bearing slot 412 is disposed on a side wall of the pressure-bearing seat 41, where the positioning slot 411 is disposed, the bearing slot 412 is a circular slot, a horizontal projection of the bearing slot 412 completely covers a horizontal projection of the positioning slot 411, a vertical direction slot depth of the bearing slot 412 is smaller than a vertical direction slot depth of the positioning slot 411, that is, a portion of the positioning block 61 is inserted into the positioning slot 411, an outer wall of the positioning block 61 located in the positioning slot 411 abuts against a slot wall of the positioning slot 411, and a side wall of the bearing ring 611 close to the pressure-bearing seat 41 abuts against a slot wall of the bearing slot 412; a reinforcing ring 612 is fixedly arranged on the positioning block 61, the reinforcing ring 612 is sleeved on the circumferential outer wall of the positioning block 61 in a ring manner, a plurality of reinforcing rods 613 are fixedly arranged between the reinforcing ring 612 and the bearing ring 611, the reinforcing rods 613 are obliquely arranged and are obliquely arranged along the direction away from the vertical central line of the reinforcing ring 612 and are upwardly inclined, the top ends of the reinforcing rods 613 are fixedly connected with the bottom surface of the bearing ring 611, the bottom ends of the reinforcing rods 613 are fixedly connected with the reinforcing ring 612, and the adjacent reinforcing rods 613 are circumferentially distributed by taking the vertical central line of the positioning block 61 as the central line; in the bearing groove 412 that bears ring 611 insertingly, play horizontal limiting effect to bearing seat 41, the setting of bearing ring 611, stiffener 613 and beaded finish 612 has simultaneously strengthened the fixed effect of bearing of locating piece 61 to bearing seat 41, and it is more firm when making cylinder 62 cooperate motor 6 with bearing seat 41 jacking.

Referring to fig. 2 and 3, a support rod 7 is disposed at the bottom of the pressure-bearing seat 41, the support rod 7 is vertically disposed, the support rod 7 is located at one end of the bottom of the pressure-bearing seat 41, which is far away from the bearing platform 5, an annular groove 413 is formed in the bottom surface of the pressure-bearing seat 41, the bearing groove 412 is completely sleeved by the annular groove 413, a distance exists between the annular groove 413 and the bearing groove 412, the annular groove 413 is collinear with a vertical central line of the pressure-bearing seat 41, the bottom end of the support rod 7 is fixedly connected with the frame 1, the top end of the support rod 7 is inserted into the annular groove 413, the outer wall of the support rod 7 is in tangential contact with the vertical groove wall of the annular groove 413, the support rod 7 is disposed, the air cylinder 62 drives the telescopic rod to drive the motor 6 to completely separate from the pressure-bearing seat 41, when the pressure-bearing seat 41 is subjected to a downward pressure from the upper stamping die 3, the bearing platform 5 and the support rod 7 jointly bear the protection effect on the air cylinder 62 and the motor 6, and prolong the service life of the application, the top of the supporting rod 7 is inserted into the annular groove 413 all the time, and the supporting seat 41 is limited in horizontal position, so that the stable placement of the supporting seat 41 is guaranteed, and the stability of the upper stamping die 3 in the stamping process of the lower die 42 is guaranteed.

Referring to fig. 4, the top of the bearing table 5 is provided with a limiting member 8 in an inserting manner, the top of the bearing table 5 is provided with an inserting groove 52, the horizontal projection of the inserting groove 52 is arc-shaped, the arc-shaped concave surface is arranged opposite to the bearing seat 41, the arc-shaped radian is parallel to the radian of the circumferential outer wall of the bearing seat 41, i.e. the shortest distance between the inserting groove 52 and the circumferential outer wall of the bearing seat 41 is kept unchanged; the limiting member 8 comprises a vertical plate 81 and a horizontal plate 82, the vertical plate 81 and the horizontal plate 82 are both arc-shaped plates, the top of the vertical plate 81 is fixedly connected with the bottom of the horizontal plate 82, one end of the horizontal plate 82, which is far away from the vertical plate 81, is located on the pressure bearing seat 41, the shortest distance between the horizontal projection of one end of the horizontal plate 82, which is far away from the vertical plate 81, and the horizontal projection of the vertical plate 81 is constant all the time, the vertical plate 81 is inserted and embedded in the insertion and embedding groove 52, the outer wall of the vertical plate 81 is abutted against the inner wall of the insertion and embedding groove 52, meanwhile, the bottom surface of the horizontal plate 82, which is located on the pressure bearing seat 41, is abutted against the top surface of the pressure bearing seat 41, two screws 9 are arranged on the horizontal plate 82, adjacent screws 9 are respectively located at two ends of the horizontal plate 82, and the screws 9 penetrate through the horizontal plate 82 and are in threaded connection with the bearing table 5; fix locating part 8 on plummer 5 through screw 9, the dismantlement of locating part 8 of being convenient for, setting up of locating part 8 plays vertical limiting displacement to bearing seat 41, guarantees that bearing seat 41 when carrying out pipe fitting stamping process, and stable the placing is on plummer 5, guarantees that stamping process's stability goes on, reaches the effect to the swift processing of pipe fitting.

Referring to fig. 5, a limiting groove 91 is formed on the screw 9, the limiting groove 91 is formed along the circumferential outer wall of the screw 9 for a circle, the limiting groove 91 is horizontally formed, a limiting gasket 92 is arranged on the screw 9, the limiting gasket 92 is in a ring shape, the limiting gasket 92 is inserted and embedded in the limiting groove 91, one end of the limiting gasket 92, which is far away from the limiting groove 91, is exposed outside the limiting groove 91, the limiting gasket 92 rotates in the limiting groove 91, the screw 9, the horizontal plate 82 and the limiting gasket 92 leave factory to be integrated, after the screw 9 penetrates through the horizontal plate 82, the nut of the screw 9 is connected with the top surface of the horizontal plate 82 in a bottom-contact manner, the top surface of the limiting groove 91, which is exposed by the limiting gasket 92, is connected with the bottom surface of the horizontal plate 82 in a butt-contact manner, the screw 9 is rotated in the direction far away from the bearing platform 5, the screw 9 ascends, the limiting gasket 92 drives the horizontal plate 82 to ascend, the vertical plate 81 is matched with the insertion and embedded groove 52 to keep the stable placement of the limiting member 8, the ascending limiting member 8 is a space left for the bearing seat 41, seted up two on the plummer 5 and concealed groove 53, screw 9 screws up the back with plummer 5 screw, and spacing gasket 92 is accomodate completely in concealing groove 53, guarantees that 82 bottom surfaces of horizontal plate and 41 top surfaces of bearing seat meet at the bottom, and the setting up of screw 9 easy operation is convenient, for the space that the lifting of bearing seat 41 left, reaches according to the requirement of pipe wall thickness, swiftly rotates bearing seat 41 to process out the effect of different wall thickness pipes.

The implementation principle of the opening pressing device for the pipe fitting in the embodiment of the application is as follows: to keeping away from 5 direction rotation screws 9 of plummer, lifting locating part 8, the piston rod of cylinder 62 drives motor 6 and the jacking of bearing seat 41, starter motor 6, motor 6 is spacing each other through locating piece 61 and constant head tank 411, make the axis of rotation of motor 6 drive bearing seat 41 and rotate, make the bed die 42 that accords with the processing requirement on the bearing seat 41 move to under the upper stamping die 3, cylinder 62 resets, the part that bearing seat 41 is located on plummer 5 falls back in rotating groove 51, screw 9 resets, upper stamping die 3 carries out the punching press action to bed die 42, reach according to pipe fitting wall thickness requirement, the effect of different wall thickness pipes is swiftly processed out.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pressure mouthful device for pipe fitting, which comprises a frame (1), pneumatic cylinder (2) have set gradually from top to bottom in frame (1), upper stamping die (3) and lower stamping die (4), pneumatic cylinder (2) body and frame (1) fixed connection, the piston rod and the last stamping die (3) fixed connection of pneumatic cylinder (2), upper stamping die (3) and frame (1) sliding connection, pneumatic cylinder (2) supply stamping die (3) to being close to or keeping away from lower stamping die (4) direction removal, its characterized in that: the lower stamping die (4) comprises a bearing seat (41) and a lower die (42), the bearing seat (41) is horizontally arranged, the lower die (42) is fixedly connected with the bearing seat (41), the lower die (42) is positioned on the top surface of the bearing seat (41), the lower die (42) is provided with a plurality of lower dies (42) which are adjacent to each other, the diameters of the adjacent lower dies (42) are different, a bearing platform (5) is fixedly arranged on the rack (1), the bearing platform (5) is positioned below the upper stamping die (3) and is horizontally arranged, a motor (6) is arranged on the bottom surface of the bearing seat (41), a motor (6) body is fixedly connected with the rack (1), the rotating shaft of the motor (6) is inserted and embedded with the bearing seat (41), the vertical central line of the rotating shaft of the motor (6) is collinear with the vertical central line of the bearing seat (41), the motor (6) is positioned beside the bearing platform (5), the bottom surface of the pressure bearing seat (41) positioned on the bearing platform (5) is abutted against the top surface of the bearing platform (5), and a lower die (42) positioned above the bearing platform (5) is matched with the upper stamping die (3) for use; a limiting piece (8) is inserted and embedded on the bearing table (5), and the limiting piece (8) is arranged to vertically limit the bearing seat (41); an air cylinder (62) is arranged between the motor (6) and the rack (1), the body of the air cylinder (62) is fixedly connected with the rack (1), a piston rod of the air cylinder (62) is fixedly connected with the body of the motor (6), and the air cylinder (62) supplies power to the body of the motor (6) to move towards the direction close to or away from the pressure-bearing seat (41); the bearing groove (412) is formed in the bottom surface of the bearing seat (41), the opening of the bearing groove (412) is downward, the vertical center line of the bearing groove (412) is collinear with the vertical center line of the positioning groove (411), the opening depth of the bearing groove (412) in the vertical direction is smaller than that of the positioning groove (411), the horizontal projection of the bearing groove (412) completely covers the horizontal projection of the positioning groove (411), a bearing ring (611) is fixedly arranged on the positioning block (61), the bearing ring (611) is sleeved on the circumferential outer wall of the positioning block (61), part of the positioning block (61) is inserted and embedded in the positioning groove (411), the outer wall of the positioning block (61) located in the positioning groove (411) is abutted to the groove wall of the positioning groove (411), and meanwhile, the side wall, close to the bearing seat (41), of the bearing ring (611) is abutted to the groove wall of the bearing groove (412); a support rod (7) is arranged on the rack (1), the support rod (7) is vertically arranged, the bottom end of the support rod (7) is fixedly connected with the rack (1), and the top end of the support rod (7) is abutted against the bottom of the bearing table (5); the bearing seat (41) is cylindrical, a rotating groove (51) is formed in the bearing platform (5), the rotating groove (51) is matched with a bearing seat (41) on the bearing platform (5) and is formed, the part, located on the bearing platform (5), of the bearing seat (41) is inserted into the rotating groove (51), the outer wall, located in the rotating groove (51), of the bearing seat (41) is abutted to the groove wall of the rotating groove (51), the top surface of the bearing seat (41) is flush with the top surface of the bearing platform (5), the bearing seat (41) is rotatably arranged relative to the rotating groove (51), an annular groove (413) is formed in the bottom surface of the bearing seat (41), the annular groove (413) is sleeved outside the bearing groove (412), a distance exists between the annular groove (413) and the bearing groove (412), the annular groove (413) is collinear with the vertical central line of the bearing groove (412), the top end of the supporting rod (7) is inserted into the annular groove (413), and the outer wall, located in the annular groove (413), of the supporting rod (7); the bearing table (5) is provided with an inserting caulking groove (52), the inserting caulking groove (52) is vertically arranged, the horizontal projection of the inserting caulking groove (52) is arc-shaped, an arc concave surface is just opposite to the rotating groove (51) and has the same arc radian with the circumferential outer wall radian of the bearing seat (41), the inserting caulking groove (52) is adjacent to the rotating groove (51), the minimum distance between the inserting caulking groove (52) and the rotating groove (51) is equidistantly arranged, the limiting part (8) comprises a vertical plate (81) and a horizontal plate (82), the vertical plate (81) and the horizontal plate (82) are both arc-shaped plates, the top of the vertical plate (81) is fixedly connected with the bottom of the horizontal plate (82), the shortest distance between one end of the horizontal plate (82) far away from the vertical plate (81) and the vertical plate (81) is invariable all the time, one end of the horizontal plate (82) far away from the vertical plate (81) is positioned on the bearing seat (41), the vertical plate (81) is inserted and embedded in the inserting caulking groove (52), and the outer wall of the vertical plate (81) is abutted to the inner wall of the inserting and embedding groove (52), meanwhile, the bottom surface of the horizontal plate (82) on the bearing seat (41) is abutted to the top surface of the bearing seat (41), a plurality of screws (9) are arranged on the horizontal plate (82), and the screws (9) penetrate through the horizontal plate (82) and are in threaded connection with the bearing platform (5).

2. A crimping device for tubes according to claim 1, characterised in that: constant head tank (411) have been seted up to pressure-bearing seat (41) bottom surface, the vertical central line and the vertical central line collineation of pressure-bearing seat (41) of constant head tank (411), motor (6) are rotated the epaxial fixed locating piece (61) that is provided with of axle, and inlay in constant head tank (411) is inserted in locating piece (61), and locating piece (61) outer wall and constant head tank (411) inner wall butt, and locating piece (61) power supply motor (6) axis of rotation is spacing with pressure-bearing seat (41) inlay card.

3. A crimping device for tubes according to claim 1, characterised in that: the positioning block (61) is fixedly provided with a reinforcing ring (612), the reinforcing ring (612) is sleeved on the circumferential outer wall of the positioning block (61), the reinforcing ring (612) is located below the bearing ring (611), a reinforcing rod (613) is arranged between the reinforcing ring (612) and the bearing ring (611), the reinforcing rod (613) is obliquely and upwardly arranged along the direction away from the center line of the positioning block (61), the bottom end of the reinforcing rod (613) is fixedly connected with the reinforcing ring (612), the top end of the reinforcing rod (613) is fixedly connected with the bottom of the bearing ring (611), a plurality of reinforcing rods (613) are arranged, and adjacent reinforcing rods (613) are circumferentially distributed along the vertical center line of the positioning block (61).

4. A crimping device for tubes according to claim 1, characterised in that: spacing groove (91) have been seted up on screw (9), a week is seted up along screw (9) outer wall level in spacing groove (91), the vertical central line collineation of spacing groove (91) and screw (9), it has spacing gasket (92) to fit the ring cover in spacing groove (91), spacing gasket (92) use screw (9) vertical central line as the axis of rotation, horizontal plate (82) are run through in screw (9), the nut and horizontal plate (82) top surface butt of screw (9), spacing gasket (92) top surface and horizontal plate (82) bottom surface butt.

5. A mouth-pressing device for pipes according to claim 4, characterized in that: the bearing platform is characterized in that a hidden groove (53) is formed in the bearing platform (5), the hidden groove (53) is located below the horizontal plate (82), the screw (9) is in threaded connection with the bearing platform (5), the limiting gasket (92) is contained in the hidden groove (53), and the bottom surface of the horizontal plate (82) is abutted to the top surface of the bearing platform (5).