CN213378648U

CN213378648U - Profiling mechanism of pipe bender

Info

Publication number: CN213378648U
Application number: CN202020926951.2U
Authority: CN
Inventors: 孟伟; 杨永杰; 廖家蒙; 宋敬儒
Original assignee: Sumaite Intelligent Technology Jiangsu Co ltd
Current assignee: Sumaite Intelligent Technology Jiangsu Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-06-08
Anticipated expiration: 2030-05-28

Abstract

The utility model provides a profiling mechanism of bending machine, including profiling splint, crossbeam board, sliding block and drive arrangement, profiling splint are fixed on the crossbeam board, crossbeam board below fixedly connected with profiling crossbeam, the long waist hole of slant has been seted up at profiling crossbeam middle part, the downthehole nestification of long waist has cam bearing, cam bearing fixed connection be in the upper portion outside of sliding block, the sliding block with drive arrangement links to each other, the sliding block is adjustable along the horizontal direction, the both ends below of crossbeam board is provided with guide rail bracket, guide rail bracket with but vertical direction sliding connection is followed to the profiling crossbeam. The utility model discloses can to the pipe fitting of copper pipe class one type carry out automatic accurate regulation location, guarantee bend in the course of working that the pipe fitting is fixed and not take place defects such as deformation, fracture, it is poor to have solved common bending machine and can not carry out adaptability regulation and single direction's regulation precision to the explorator splint, causes the problem of pipe fitting damage easily.

Description

Profiling mechanism of pipe bender

Technical Field

The utility model belongs to the technical field of metal pipe fitting processing equipment technique and specifically relates to a profiling mechanism of bending machine.

Background

A pipe bender for bending thin-wall copper pipe features that the pipe is clamped to a bending die and rotates with the die, and when the pipe is pulled by a press block, the press block is used to bend the pipe around the die. Along with the development of the numerical control machine tool industry, the advanced numerical control pipe bending machine tool is adopted to realize the bending process, so that the production efficiency can be greatly improved, and the product quality is ensured. Because the process parameters can be conveniently adjusted, the numerical control pipe bending machine can accurately and stably complete the actions of straightening, rounding, feeding, bending and the like, and the bending accuracy of the pipe workpiece is ensured. However, the quality of the bent copper tube is more sensitive to the process parameters, so that sufficient preliminary preparation and trial-manufacture work are required, and particularly, if the process parameters are not properly selected, the wrinkling phenomenon is easy to occur, so that the parts are scrapped. At present, most of pipe bending machines in common use bend pipes with prefabricated fixed sizes, operate in steps in the production process, and cannot timely, efficiently and automatically complete the processes of feeding, rounding, straightening, feeding, cutting to length without scraps, bending, returning and the like of the pipes from an initial reel, so that the processing procedures are complex in flow operation, time is wasted, and the production efficiency is greatly reduced. In addition, the copper pipe processing requirement is fine, the surface has no obvious defects such as dent, bulge, corrugation, crack (opening), scratch, clamping (pressing) mark and the like, and the pipe opening is smooth and flat and has no burr, crack and the like. In addition, the profiling structures of some pipe bending machines on the market at present mostly play a role in fixing and limiting the auxiliary clamp module in the bending process, but many profiling structures are only provided with profiling splints, and the profiling splints cannot be adaptively adjusted, so that the pipe fitting cannot be adaptively fitted to the size of the pipe fitting; some devices can be adjusted in height, but are controlled and adjusted directly in a single direction, so that the adjustment precision is poor, and pipe fittings are easy to damage.

Based on the above situation, it is necessary to design a profiling mechanism of a pipe bending machine, which can automatically and precisely adjust and position a pipe fitting such as a copper pipe, and ensure that the pipe fitting is fixed and does not deform or crack during the bending process.

Disclosure of Invention

In order to solve the profiling structure of the bending machine among the above-mentioned prior art can not be fixed to the accurate regulation of copper pipe fitting self-adaptation and laminating to and copper pipe processing technology quality subalternation technical problem, the utility model provides a profiling mechanism of bending machine.

The technical scheme of the utility model is that: the utility model provides a profiling mechanism of bending machine, includes profiling splint, crossbeam board, sliding block and drive arrangement, profiling splint are fixed on the crossbeam board, crossbeam board below fixedly connected with profiling crossbeam, the long waist hole of slant has been seted up at profiling crossbeam middle part, the downthehole nestification of long waist has cam bearing, cam bearing fixed connection be in the upper portion outside of sliding block, the sliding block with drive arrangement links to each other, the sliding block is adjustable along the horizontal direction, the both ends below of crossbeam board is provided with guide rail bracket, guide rail bracket with but vertical direction sliding connection is followed to the profiling crossbeam.

Further, sliding block below is provided with first slide rail, slide with first slide rail sliding connection, the inboard of rail brackets is provided with the second slide rail, the end connection of crossbeam board has the slider connecting plate, the slider connecting plate with second slide rail sliding connection.

Furthermore, the driving device comprises a cylinder, a cylinder block, a cylinder joint and a cylinder adapter, the cylinder is fixed on the cylinder block, the cylinder adapter is fixed on a power shaft of the cylinder, the cylinder adapter is connected with the cylinder joint, and one side of the sliding block is fixedly connected with the cylinder joint.

Further, the profiling mechanism further comprises a horizontal limiting device, the horizontal limiting device comprises a limiting seat, a limiting screw and a nut, the limiting seat is provided with a through hole along the horizontal direction, the nut is fixed on one side of the through hole of the limiting seat, and the limiting screw penetrates through the through hole and is connected with the nut.

Furthermore, the setting range of the inclination angle of the inclined long waist hole is 8-45 degrees.

Furthermore, the distance between the centers of the oblique long waist holes along the horizontal direction is greater than or equal to the horizontal distance between the end part of the limit screw rod and the cylinder joint.

Furthermore, the cam bearing can be clamped in the inclined long waist hole in a rolling manner.

Furthermore, the sliding block is located on the inner side of the profiling cross beam, a threaded hole is formed in the sliding block, a bolt penetrates through the threaded hole, and the cam bearing is connected with the sliding block through the bolt.

Furthermore, a plurality of the profiling clamping plates are uniformly distributed above the cross beam plate, and semicircular grooves are formed in the upper surfaces of the profiling clamping plates.

Furthermore, the profiling clamping plate and the cross beam plate are detachably connected through bolts, and the inner diameter of the semicircular groove is matched with the outer diameter of the machined pipe fitting.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the profiling mechanism of the pipe bending machine provided by the utility model can assist the die clamping assembly to fix and limit the pipe fittings in the bending process, and can be adjusted adaptively, so that the pipe fittings with different sizes can be well and adaptively attached;

(2) the utility model discloses a drive arrangement to the adjustment of profiling mechanism horizontal direction transform into the accurate regulation of direction of height, be the drive of the big stroke of horizontal direction transform into the small range stroke control of vertical direction, can avoid directly carrying out the control adjustment through single direction and appear adjusting the precision poor, cause phenomena such as pipe fitting damage easily;

(3) the utility model discloses a horizontal stop device guarantees drive arrangement's effective stroke, can adjust the scope that the profile modeling splint reciprocated along the direction of height, and avoids drive arrangement motion stroke too big removal range that surpasss the profile modeling crossbeam, leads to damaging drive arrangement and profiling mechanism itself.

Drawings

Fig. 1 is a schematic perspective view of a copying mechanism of the present invention;

fig. 2 is a front view of the profiling mechanism of the present invention;

FIG. 3 is a cross-sectional view of the cam mechanism of the present invention in the direction A-A of FIG. 2;

FIG. 4 is a top view of the cam mechanism of the present invention;

the reference numbers are as follows: 1. a beam plate; 2. a profiling beam; 3. a slider; 4. a slider connecting plate; 5. a rail bracket; 6. a cylinder block; 7. a cylinder joint; 8. a cylinder adapter; 9. a limiting seat; 10. a limit screw; 11. a cam bearing; 12. a cylinder; 13. a first slide rail; 14. a second slide rail; 15. a nut; 16. a template clamp plate; 17. and (4) bolts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1-4, the utility model provides a profiling mechanism of bending machine, including profiling splint 16, crossbeam board 1, sliding block 3 and drive arrangement, profiling splint 16 fixes on the crossbeam board 1, crossbeam board 1 below fixedly connected with profiling crossbeam 2, the long waist hole of slant has been seted up at 2 middle parts of profiling crossbeam, the downthehole nested cam bearing 11 that has of long waist, cam bearing 11 fixed connection be in the upper portion outside of sliding block 3, sliding block 3 with drive arrangement links to each other, sliding block 3 is adjustable along the horizontal direction, the both ends below of crossbeam board 1 is provided with rail brackets 5, rail brackets 5 with but profiling crossbeam 2 is along vertical direction sliding connection.

The utility model discloses an explorator mechanism passes through drive arrangement horizontal direction and removes sliding block 3, and the cam bearing 11 on the rethread sliding block 3 realizes that explorator crossbeam 2 removes along vertical direction with the transmission of the long waist hole cooperation of slant on the explorator crossbeam 2 to adjusted explorator splint 16's height, realized laminating between pipe fitting and the explorator splint 16 and press from both sides tightly, and removed through the big stroke of level and change into the meticulous regulation of vertical small range, improved the regulation precision, avoided the pipe fitting damage.

In some embodiments, the structure slidably connected in the horizontal and vertical directions in the master form mechanism may be a sliding block, a sliding rail, a sliding chute, a roller, a sliding rod, or other various forms of cooperation. The following takes the sliding block and the sliding rail to slide in a matching way as an example: the sliding block 3 below is provided with first slide rail 13, slide with first slide rail 13 sliding connection, the inboard of guide rail bracket 5 is provided with second slide rail 14, the end connection of crossbeam board 1 has slider connecting plate 4, slider connecting plate 4 with second slide rail 14 sliding connection.

Through the cooperation mode that adopts the slide rail slider, realize the ascending free movement of level and vertical side and adjust, the cooperation of the direct joint of slide rail and slider also can guarantee the stability of each part connection of profiling mechanism, avoids profiling mechanism function in-process to appear rocking, vibrations etc. influence the condition emergence of structure transmission and regulation precision.

In some embodiments, the driving device may be a pneumatic cylinder, a hydraulic cylinder, an electric telescopic rod, or a motor transmission device. In the following, a combination structure of the driving device using cylinders is taken as an example: including cylinder 12, cylinder block 6, cylinder joint 7 and cylinder adapter 8, cylinder 12 is fixed on cylinder block 6, cylinder adapter 8 is fixed on the power shaft of cylinder 12, cylinder adapter 8 with cylinder joint 7 links to each other, one side of sliding block 3 with cylinder joint 7 fixed connection.

In some embodiments, the profiling mechanism further includes a horizontal limiting device, the horizontal limiting device includes a limiting seat 9, a limiting screw 10 and a nut 15, the limiting seat 9 is provided with a through hole along the horizontal direction, the nut 15 is fixed on one side of the through hole of the limiting seat 9, and the limiting screw 10 penetrates through the through hole and is connected with the nut 15.

Guarantee drive arrangement's effective stroke through horizontal stop device, can adjust the scope that the profiling splint 16 reciprocated along the direction of height, and avoid drive arrangement motion stroke too big to exceed the removal scope of profiling crossbeam 2, lead to damaging drive arrangement and profiling mechanism itself.

In some embodiments, the oblique angle of the oblique long waist holes is set in the range of 8 ° to 45 °. Considering that the stroke of the horizontal movement is larger than the vertical range, the fine adjustment of the height position of the explorator clamping plate 16 can be realized only by controlling the inclination angle of the inclined long waist hole within 45 degrees as much as possible.

Further, the distance between the centers of the oblique long waist holes along the horizontal direction is greater than or equal to the horizontal distance between the end of the limit screw 10 and the cylinder joint 7. Considering that the stroke range of the telescopic motion of the cylinder is fixed, the horizontal limiting device is added to control the horizontal distance between the end part of the limiting screw rod 10 and the cylinder joint 7, and the driving device or the machine body is prevented from being failed due to the fact that the motion amplitude exceeds the stroke distance of the inclined long waist hole.

Further, the cam bearing 11 is rotatably engaged in the inclined oblong hole. The advancing track of the cam bearing 11 in the oblique long waist hole is fixed well through the position limitation of the cam bearing 11 and the oblique long waist hole, and the conditions that other parts of the cam bearing 11 motion collision machine profiling mechanism are separated or the like are avoided, so that the normal operation of equipment is influenced, and the processing precision cannot be guaranteed.

In some embodiments, the sliding block 3 is located inside the cam cross beam 2, the sliding block 3 is provided with a threaded hole, a bolt 17 is inserted into the threaded hole, and the cam bearing 11 is connected with the sliding block 3 through the bolt 17.

Through bolt 17 and sliding block 3 screw-thread fit, establish cam bearing 11 cover on bolt 17, realize that cam bearing 11 is rotatable fixed connection on sliding block 3.

In some embodiments, a plurality of the template clamping plates 16 are uniformly distributed above the beam plate 1, and the upper surface of the template clamping plate 16 is provided with a semicircular groove.

Further, the profiling clamping plate 16 is detachably connected with the cross beam plate 1 through a bolt 17, and the inner diameter of the semicircular groove is matched with the outer diameter of the machined pipe fitting.

Through, set up the semicircular groove who matches with processing pipe fitting size on the profiling splint 16, be favorable to fixing the pipe fitting position better, can dismantle the setting with profiling splint 16 crossbeam board 1 in addition, can realize the replacement of the profiling splint 16 of different specifications to can realize bending the processing simultaneously to the pipe fitting of different sizes.

The utility model discloses a return material subassembly of bending's theory of operation as follows: the cylinder joint 7 is driven by the cylinder 12 to move horizontally, the sliding block 3 is driven to move horizontally on the first slide rail 13, so that the cam bearing 11 fixed on the sliding block 3 moves in the oblique long kidney-shaped hole, because the slide block connecting plate 4 connected with the profiling cross beam 2 is connected with the fixedly arranged guide rail bracket 5 in a sliding way on the second slide rail 14, the cam bearing 11 is propped against the inclined long waist hole in the horizontal moving process, and the profiling cross beam 2 can not move horizontally due to the limitation of the guide rail bracket 5, further realizing the up-and-down movement of the explorator beam 2 under the assistance of the oblique long waist hole, simultaneously, the horizontal movement amplitude of the cam bearing 11 is larger than the up-and-down movement amplitude of the oblique long waist hole, and then realize the meticulous regulation of profiling splint 16 on the profiling crossbeam 2 on the direction of height, realize laminating between pipe fitting and the profiling splint 16 and press from both sides tightly and accurate regulation, and effectively avoid the pipe fitting damage.

It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. Furthermore, the above definitions of the various elements and methods are not limited to the specific structures, shapes, or configurations shown in the examples.

It is also noted that the illustrations herein may provide examples of parameters that include particular values, but that these parameters need not be exactly equal to the corresponding values, but may be approximated to the corresponding values within acceptable error tolerances or design constraints. Directional phrases used in the embodiments, such as those referring to "upper", "lower", "front", "rear", "left", "right", etc., refer only to the orientation of the attached drawings and are not intended to limit the scope of the present application.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a profiling mechanism of bending machine, includes profiling splint, crossbeam board, sliding block and drive arrangement, profiling splint fix on the crossbeam board, its characterized in that: the improved horizontal beam type mechanical arm is characterized in that a profiling beam is fixedly connected to the lower portion of the beam plate, an inclined long waist hole is formed in the middle of the profiling beam, a cam bearing is embedded in the long waist hole, the cam bearing is fixedly connected to the outer side of the upper portion of a sliding block, the sliding block is connected with the driving device, the sliding block is adjustable in the horizontal direction, guide rail supports are arranged below the two ends of the beam plate, and the guide rail supports are slidably connected with the profiling beam in the vertical direction.

2. A fence mechanism as defined in claim 1 wherein: the sliding block below is provided with first slide rail, slide with first slide rail sliding connection, the inboard of rail brackets is provided with the second slide rail, the end connection of crossbeam board has the slider connecting plate, the slider connecting plate with second slide rail sliding connection.

3. A fence mechanism as defined in claim 1 wherein: the driving device comprises a cylinder, a cylinder seat, a cylinder joint and a cylinder adapter, wherein the cylinder is fixed on the cylinder seat, the cylinder adapter is fixed on a power shaft of the cylinder, the cylinder adapter is connected with the cylinder joint, and one side of the sliding block is fixedly connected with the cylinder joint.

4. A fence mechanism as defined in claim 3 wherein: the profiling mechanism further comprises a horizontal limiting device, the horizontal limiting device comprises a limiting seat, a limiting screw and a nut, the limiting seat is provided with a through hole along the horizontal direction, the nut is fixed on one side of the through hole of the limiting seat, and the limiting screw penetrates through the through hole and is connected with the nut.

5. A fence mechanism as defined in claim 4 wherein: the inclined angle of the inclined long waist hole is set within the range of 8-45 degrees.

6. A fence mechanism as defined in claim 5 wherein: the distance between the center of the oblique long waist hole edge and the center of the oblique long waist hole edge along the horizontal direction is larger than or equal to the horizontal distance between the end part of the limit screw rod and the cylinder joint.

7. A fence mechanism as defined in claim 6 wherein: the cam bearing can be clamped in the inclined long waist hole in a rolling manner.

8. A fence mechanism as defined in claim 7 wherein: the sliding block is located on the inner side of the profiling cross beam, a threaded hole is formed in the sliding block, a bolt penetrates through the threaded hole, and the cam bearing is connected with the sliding block through the bolt.

9. A fence mechanism as claimed in claim 1 or 8, wherein: the plurality of the profiling clamping plates are uniformly distributed above the cross beam plate, and semicircular grooves are formed in the upper surfaces of the profiling clamping plates.

10. A fence mechanism as defined in claim 9 wherein: the profiling clamping plate is detachably connected with the cross beam plate through bolts, and the inner diameter of the semicircular groove is matched with the outer diameter of the processed pipe fitting.