CN219968950U - Automatic blocking device for forming of bent pipe end - Google Patents

Abstract

The utility model discloses a forming machine body, a die clamping sliding block and a forming die, wherein an installation seat is arranged between the die clamping sliding blocks, a blocking device is arranged on the installation seat, and the blocking device comprises a moving plate arranged on the installation seat and a driving assembly arranged on one side of the moving plate. The utility model has the beneficial effects that: 1. the blocking cross arm is driven by the servo motor through the precise planetary reducer to move on the rack through the helical gear, so that the pressure head automatically moves into a preset position, the pressure head and the shaped pipe fitting ensure the same heart rate, and the problem that the wall thickness error of the shaped pipe fitting fluctuates is solved. This automatic blocking device need not artifical pair mould, has promoted production efficiency by a wide margin. When the pipe fitting with different specifications is shaped, the position of the pressure head does not need to be manually adjusted, and the degree of automation and universality is high.

Description

Automatic blocking device for forming of bent pipe end

Technical field:

the utility model relates to the technical field of bent pipe end forming, in particular to an automatic blocking device for bent pipe end forming.

The background technology is as follows:

when the pipe ends of the elbow pipe fittings are formed, the centers of the workpiece are not in the same center, and the centers of the pipe fittings with different specifications are inconsistent, so that the blocking positions need to be adjusted. Manually adjusting the position of the workpiece stopper after the die is installed; the position of the workpiece stopper is fixed, and the position of the die is adjusted when the die is installed so that the die opening is aligned with the workpiece stopper. According to the scheme, manual die matching is needed, and the stopper is guaranteed to be aligned to the workpiece opening. The manual die matching is slower; the concentricity of the stopper center and the die center is lower, so that the fluctuation of the wall thickness error of the produced workpiece is larger. Because the stoppers are required to be positioned at different positions in the production of the pipe fittings with different specifications, the adjustment positions are required to be manually adjusted, so that the automation degree of the bent pipe end forming machine is low or the universality is low.

The utility model comprises the following steps:

the utility model aims to solve the existing problems and provides an automatic blocking device for forming a bent pipe end.

The technical solution of the utility model is as follows:

the utility model provides an automatic blocking device of return bend pipe end shaping, includes shaping machine body, compound die slider and forming die, be equipped with the mount pad between the compound die slider, be equipped with blocking device on the mount pad, blocking device including set up in movable plate on the mount pad, locate drive assembly of movable plate one side, be fixed in stop the cross arm on the movable plate, be fixed in relatively stop the pneumatic cylinder on the cross arm and be fixed in the pressure head on the pneumatic cylinder piston.

Preferably, the mounting seat is in threaded connection with a guide rail plate, a linear guide rail assembly is arranged between the guide rail plate and the moving plate, the linear guide rail assembly comprises a sliding block and a guide rail, and the sliding block is fixedly connected with the bottom surface of the moving plate.

Preferably, the driving assembly comprises a planetary reducer fixed on the moving plate, a servo motor arranged on the planetary reducer and a rotary encoder arranged on the servo motor, a bevel gear is fixed at the output end of the planetary reducer, a groove for accommodating linear movement of the bevel gear is formed in the guide rail plate, and a rack meshed with the bevel gear is fixed on the side face of the groove.

Preferably, a stopper is fixed in the groove at the start end of the blocking means.

Preferably, the side wall of the die clamping slide block is internally and in threaded connection with a lock catch block, the outer wall of the lock catch block is provided with a convex strip in a forming mode, and two sides of the blocking cross arm are provided with clamping grooves matched with the convex strip.

Preferably, the hydraulic cylinder comprises a cylinder body and a piston rod, the piston rod penetrates through the blocking cross arm to be in threaded connection with the pressure head, and an anti-rotation plate for limiting circumferential movement of the piston rod is further fixed on the bottom surface of the blocking cross arm.

Preferably, the bottom surface of the blocking cross arm is provided with an inverted blind hole, a disc spring is arranged in the blind hole, a guide stud is inserted in the center of the disc spring, and the lower end of the guide stud is in threaded connection with the moving plate.

Preferably, a baffle is arranged on the top surface of the blocking cross arm, and the baffle and the blocking cross arm are in threaded connection with the moving plate through bolts.

The utility model has the beneficial effects that:

1. the blocking cross arm is driven by the servo motor through the precise planetary reducer to move on the rack through the helical gear, so that the pressure head automatically moves into a preset position, the pressure head and the shaped pipe fitting ensure the same heart rate, and the problem that the wall thickness error of the shaped pipe fitting fluctuates is solved.

2. This automatic blocking device need not artifical pair mould, has promoted production efficiency by a wide margin.

3. When the pipe fitting with different specifications is shaped, the position of the pressure head does not need to be manually adjusted, and the degree of automation and universality is high.

Description of the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic front cross-sectional view of a blocking device of the present utility model;

FIG. 3 is a schematic left-hand cross-sectional view of the blocking device of the present utility model;

FIG. 4 is a schematic view of a rear view of a mounting and forming mold according to the present utility model;

FIG. 5 is a schematic side view of a portion of an installation molding die of the present utility model;

in the accompanying drawings: 1. a body; 2. a die closing slide block; 3. a forming die; 4. a mounting base; 5. a blocking device; 6. a moving plate; 7. a drive assembly; 8. a blocking cross arm; 9. a hydraulic cylinder; 10. a pressure head; 11. a guide rail plate; 12. a slide block; 13. a guide rail; 14. a planetary reducer; 15. a servo motor; 16. a rotary encoder; 17. bevel gear; 18. a groove; 19. a rack; 20. a stop block; 21. a locking block; 22. a convex strip; 23. a clamping groove; 24. a cylinder; 25. a piston rod; 26. an anti-rotation plate; 27. a blind hole; 28. a disc spring; 29. a guide stud; 30. and a baffle.

The specific embodiment is as follows:

the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 1-5, the automatic blocking device for forming the bent pipe end comprises a forming machine body 1, a die clamping slide block 2 and a forming die 3, wherein an installation seat 4 is arranged between the die clamping slide blocks 2, a blocking device 5 is arranged on the installation seat 4, and the blocking device 5 comprises a moving plate 6 arranged on the installation seat 4, a driving assembly 7 arranged on one side of the moving plate 6, a blocking cross arm 8 fixed on the moving plate 6, a hydraulic cylinder 9 relatively fixed on the blocking cross arm 8 and a pressure head 10 fixed on a piston of the hydraulic cylinder 9.

Specifically, the mounting seat 4 is in threaded connection with a guide rail plate 11, a linear guide rail assembly is arranged between the guide rail plate 11 and the moving plate 6, the linear guide rail assembly comprises a sliding block 12 and a guide rail 13, and the sliding block 12 is fixedly connected with the bottom surface of the moving plate 6.

Specifically, the driving assembly 7 includes being fixed in planetary reducer 14 on the movable plate 6, install in servo motor 15 on the planetary reducer 14 and set up in rotary encoder 16 on the servo motor 15, planetary reducer 14's output is fixed with helical gear 17, set up on the guide rail 13 board 11 and hold helical gear 17 rectilinear movement's recess 18, the side of recess 18 is fixed with the rack 19 with helical gear 17 meshing, can let pressure head 10 quick high accuracy location through this setting, practice thrift a large amount of manpower and time cost.

Specifically, a stop 20 is fixed in the groove 18 at the starting end of the blocking device 5, which plays a role in limiting the blocking device 5 and preventing the blocking device from sliding out of the guide rail 13.

Specifically, lock catch blocks 21 are screwed in the side walls of the mold clamping slide blocks 2, raised strips 22 are formed on the outer walls of the lock catch blocks 21, clamping grooves 23 matched with the raised strips 22 are formed on two sides of the blocking cross arm 8, reaction force received by the blocking cross arm 8 during forming is transmitted to the mold clamping slide blocks 2, and the damage to the guide rail 13 caused by the transmission of the reaction force to the linear guide rail assembly is avoided.

Specifically, the hydraulic cylinder 9 comprises a cylinder body 24 and a piston rod 25, the piston rod 25 passes through the blocking cross arm 8 and is in threaded connection with the pressure head 10, and an anti-rotation plate 26 for limiting the circumferential movement of the piston rod 25 is also fixed on the bottom surface of the blocking cross arm 8.

Specifically, the bottom surface that blocks the cross arm 8 is equipped with the blind hole 27 of inversion, be equipped with dish spring 28 in the blind hole 27, the center of dish spring 28 is inserted and is equipped with guide stud 29, guide stud 29's lower extreme spiro union is in movable plate 6, and during normal operation, there is 0.5 ~ 1mm clearance between the hasp piece 21 of locking slider 2 and the recess 18 that blocks the cross arm 8 through dish spring 28 pressure assurance, makes things convenient for the removal of locking slider 1 and blocking cross arm 8 and does not produce the friction.

Specifically, the top surface that blocks cross arm 8 is equipped with baffle 30, baffle 30 and block cross arm 8 pass through bolt and movable plate 6 spiro union, through bolted connection, but the installation is dismantled conveniently, but quick replacement position is fit for the pipe fitting shaping of different angles.

Two sets of forming dies 3 can be installed on the forming machine, each set of forming dies 3 comprises two halves which are combined into a whole and are used for embracing a pipe fitting, one half of each forming die 3 is fixed on a die clamping sliding block 2, the other half of each forming die is fixed on a mounting seat 4, a blocking device 5 is positioned outside the movement space of the die clamping sliding blocks 2, the two die clamping sliding blocks 1 are clamped to reach preset die clamping pressure, the blocking device 5 is driven by a servo motor 15, a rotary encoder 16 and a planetary reducer 14 to move in a bevel gear 17 on a rack 19, clamping grooves 23 on two sides of a blocking cross arm 8 are meshed with a locking block 21 in the moving-in process, a pressing head 10 moves into a preset position, a hydraulic cylinder 9 drives the pressing head 10 to quickly move downwards, a hydraulic system detects a pressure signal, the pressing head 10 stops in place, the hydraulic cylinder 9 drives the pressing head 10 to continuously move downwards, the end face of the pipe fitting in the forming die 3 is deformed according to the shape of the inner cavity of the forming die 3, and meanwhile, the other end face of the pipe fitting is also provided with a set of transversely arranged automatic blocking device 5 for shaping the end face of the pipe fitting.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides an automatic blocking device of return bend pipe end shaping, includes shaping machine body, compound die slider and forming die, be equipped with the mount pad between the compound die slider, be equipped with blocking device on the mount pad, its characterized in that: the blocking device comprises a moving plate arranged on the mounting seat, a driving assembly arranged on one side of the moving plate, a blocking cross arm fixed on the moving plate, a hydraulic cylinder relatively fixed on the blocking cross arm and a pressure head fixed on a piston of the hydraulic cylinder.

2. The automatic blocking device for forming an elbow end according to claim 1, wherein: the mounting seat is connected with a guide rail plate in a threaded manner, a linear guide rail assembly is arranged between the guide rail plate and the movable plate, the linear guide rail assembly comprises a sliding block and a guide rail, and the sliding block is fixedly connected with the bottom surface of the movable plate.

3. The automatic blocking device for forming an elbow end according to claim 2, wherein: the driving assembly comprises a planetary reducer fixed on the moving plate, a servo motor arranged on the planetary reducer and a rotary encoder arranged on the servo motor, wherein a bevel gear is fixed at the output end of the planetary reducer, a groove for accommodating linear movement of the bevel gear is formed in the guide rail plate, and a rack meshed with the bevel gear is fixed on the side face of the groove.

4. An automatic blocking device for forming an elbow end according to claim 3, wherein: a stop block is fixed in the groove at the starting end of the blocking device.

5. The automatic blocking device for forming an elbow end according to claim 1, wherein: the side wall of the die closing sliding block is internally and in threaded connection with a locking block, the outer wall of the locking block is provided with a convex strip in a forming mode, and two sides of the blocking cross arm are provided with clamping grooves matched with the convex strip.

6. The automatic blocking device for forming an elbow end according to claim 1, wherein: the hydraulic cylinder comprises a cylinder body and a piston rod, the piston rod penetrates through the blocking cross arm to be in threaded connection with the pressure head, and an anti-rotation plate for limiting circumferential movement of the piston rod is further fixed on the bottom surface of the blocking cross arm.

7. The automatic blocking device for forming an elbow end according to claim 1, wherein: the bottom surface of blocking the cross arm is equipped with the blind hole of inversion, be equipped with the dish spring in the blind hole, the center of dish spring is inserted and is equipped with the guide double-screw bolt, the lower extreme spiro union of guide double-screw bolt is in the movable plate.

8. The automatic blocking device for forming an elbow end according to claim 1, wherein: the top surface that blocks the cross arm is equipped with the baffle, the baffle passes through bolt and movable plate spiro union with blocking the cross arm.