CN209736399U

CN209736399U - High-precision pipe fitting notching machine

Info

Publication number: CN209736399U
Application number: CN201822262215.7U
Authority: CN
Inventors: 张永海; 张克明
Original assignee: Tianjin Fountainhead Steel Plastic Pipe Co Ltd
Current assignee: Tianjin Fountainhead Steel Plastic Pipe Co Ltd
Priority date: 2018-12-30
Filing date: 2018-12-30
Publication date: 2019-12-06
Anticipated expiration: 2028-12-30

Abstract

The utility model relates to a high-precision pipe fitting notching machine, which comprises a notching machine case, a supporting roll, an annular groove, a notching wheel, a notching bracket, a notching motor and a measuring mechanism, the measuring mechanism is arranged on one side of the pressure groove bracket and comprises a measuring top frame, a spring, a limiting slide rod and a cylinder, the measuring top frame and the pressure groove support are arranged integrally, the lower end of the measuring top frame is fixedly provided with a spring, the lower end of the spring is coaxially and fixedly provided with a cylinder, scales which are gradually increased from top to bottom are integrally formed on the peripheral surface of the cylinder, a limiting long hole is integrally and radially penetrated on the cylinder, and a limiting slide bar is vertically and fixedly arranged on the outer side wall of the indent support corresponding to the axle center position of the indent wheel, the limiting slide bar penetrates through the limiting long hole, the limiting slide bar is in sliding connection with the inner wall of the limiting long hole, and the accurate depth of the indent is read at the position of the limiting long hole by the limiting slide bar. The utility model has the advantages of being simple in structure and convenient in operation, indent precision height, labour are few, improve production efficiency greatly.

Description

High-precision pipe fitting notching machine

Technical Field

the utility model belongs to pipeline processing equipment field relates to pipeline indent technique, especially a high accuracy pipe fitting indent machine.

Background

The most common connection methods used in pipeline connection operations, such as the connection of a tap water pipeline and the connection of a fire fighting pipeline, include a threaded connection, a flange connection, a welding connection, etc., wherein the threaded connection is usually performed by machining tapered threads on the outer circumference of a pipe end and connecting pipes together through a pipe joint provided with threads, which is often used in pipe connections with a small pipe diameter; the flange connection is generally applied to the conditions that the pipe diameter is large and the pressure in the pipe is high, in order to fix a flange at the pipe end in advance and then connect the pipes together through rivets or bolts, the welding is to weld the pipes together directly. The pipe needs to be rotated when being connected or detached by adopting a threaded connection mode, so that the operation is troublesome and the operation efficiency is low, the flange joint needs to be fixed on the pipe in advance by adopting flange connection, so that the problem of complicated and inconvenient operation also exists, the pipe laying operation which needs to determine the length of an operation pipeline on site is also very unsuitable, and the welding operation is carried out on the connection site of the pipeline by adopting a welding connection mode, so that the pipeline is very inconvenient to maintain, disassemble and assemble. In order to realize the pipeline connection operation conveniently, people adopt a mode that the end part of a pipe is provided with an annular mounting groove, a connecting piece with a bulge is adopted, and the adjacent pipes are connected together through the matching of the bulge on the connecting piece and a groove on the pipe, so that the installation is convenient and fast, and the maintenance, the assembly and the disassembly are very convenient. However, the equipment for machining the groove is complex in structure and inconvenient to operate, the pipe diameter range of the machined pipe is narrow, the machining of the groove of the pipe is influenced to a certain degree, the pipe connection operation of people is influenced, the depth measurement is generally performed manually when the pipe fitting is grooved in the prior art, so that the grooving is not accurate, meanwhile, certain danger exists, and meanwhile, the labor force is greatly increased.

Through searching, the following patent documents relevant to the present application are found, and the specific disclosures are as follows:

1. A pipe notching machine (CN207655695U) comprises a machine base fixed on a machine table, a hydraulic cylinder vertically arranged on the machine base, a pipe clamping plate arranged below the hydraulic cylinder and a pressing cutter; the pipe fitting clamping plate comprises an upper clamping plate and a lower clamping plate which are arranged in parallel, the length of the upper clamping plate is smaller than that of the lower clamping plate, a first concave arc groove which extends along the length direction and is through is formed in the bottom surface of the upper clamping plate, and a second concave arc groove which is matched with the first concave arc groove to clamp a pipe fitting to be machined is formed in the top surface of the lower clamping plate; the upper clamping plate is fixed in the middle of a connecting plate, the connecting plate is connected with a cylinder rod of the hydraulic cylinder, pressing knives with downward knife edges are respectively connected to two ends of the connecting plate, and the downward knife edge probing depth of each pressing knife exceeds the horizontal height of the top of the first concave arc groove.

2. The utility model provides a two-way pipe fitting rolling machine (CN108311569A), includes unable adjustment base, unable adjustment base's both ends slide respectively and are connected with movable base, and two movable base rotate respectively in one side that is close to each other and are connected with the backing roll, and two backing roll coaxial lines and two backing rolls one end of keeping away from each other are provided with respectively and are used for driving backing roll pivoted actuating mechanism, and the circumference outside of backing roll still is provided with to slide and connects in base and axis direction and the same indent wheel of backing roll axis direction, the indent wheel can butt in the global of backing roll.

Through the contrast of technical characteristics, above-mentioned patent literature of disclosing with the utility model discloses a technical structure is inequality, can not influence the creativity and the novelty of the utility model application.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art's weak point, provide a simple structure, convenient operation, indent precision height, the less high accuracy pipe fitting indent machine of labour.

The utility model provides a its technical problem take following technical scheme to realize:

A high-precision pipe fitting notching machine comprises a notching machine case, a supporting roll, an annular groove, a notching wheel, a notching support, a notching motor and a measuring mechanism, wherein the supporting roll is rotatably connected to one side of the notching machine case; the measuring mechanism comprises a measuring top frame, a spring, a limiting sliding rod and a cylinder. The measuring top frame and the indent support are integrally arranged, a spring is fixedly arranged at the lower end of the measuring top frame, a cylinder is coaxially and fixedly arranged at the lower end of the spring, the top end of the cylinder is collinear with the axis of the indent wheel, the bottom end of the cylinder is at the same height with the lowest rim of the indent wheel, scales which are gradually increased from top to bottom are integrally formed on the outer peripheral surface of the cylinder, a limiting long hole is further integrally and radially formed in the cylinder in a penetrating mode, a limiting slide rod is vertically and fixedly arranged on the outer side wall of the indent support corresponding to the axis position of the indent wheel, the limiting slide rod penetrates through the limiting long hole and is in sliding connection with the inner wall of the limiting long hole, and the accurate depth of the.

And a pipe fitting positioning disc is coaxially arranged at one end of the supporting roller close to the groove pressing machine box.

And moreover, fixing rings are symmetrically arranged on the left and right sides of the groove pressing machine box provided with the supporting roll, pipe detectors are symmetrically arranged on the fixing rings corresponding to the positions of the pipe positioning disks through fixing plates, and a limiting rod is fixedly arranged between the fixing plates corresponding to the lowest positions of the pipe positioning disks.

And, the indent device still is equipped with the support frame.

And one end of the supporting roller is also provided with a guide groove.

And the circumferential surface of the supporting roller is fixedly provided with a slip-resistant layer.

The utility model has the advantages that:

The utility model discloses be provided with measuring mechanism in indent wheel department, when the indent wheel has pressed the groove, can see out the degree of depth of indent through the position of spacing slide bar in spacing slot hole directly perceived, measuring mechanism's setting not only makes things convenient for the workman to measure the degree of depth of indent, has reduced workman's work step, has reduced the labour, has improved the indent precision simultaneously, has improved indent machining efficiency greatly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial enlarged view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.

A high-precision pipe fitting notching machine comprises a notching machine case 1, a supporting roller 12, a guide groove 13, a slip-resistant layer, a ring wire groove 14, a notching wheel 4, a lifting hydraulic cylinder and a notching motor, wherein the supporting roller is rotatably connected to one side of the notching machine case, one end of the supporting roller is connected with the notching motor, the notching motor is fixedly connected and installed in the notching machine case, one end of the supporting roller, which is positioned outside the notching machine case, is provided with the guide groove, the slip-resistant layer is integrally formed on the circumferential surface of the supporting roller, which is close to the guide groove, the slip-resistant layer is formed by a plurality of mutually crossed ring wire grooves, and the guide groove arranged at the end part of the supporting roller can facilitate the centering of a pipe fitting so as to; the friction force between the pipe fitting and the supporting roller can be further increased by the anti-slip layer arranged on the supporting roller, the pipe fitting is convenient to rotate, the lifting hydraulic cylinder is fixedly connected onto the rack box body above the supporting roller, the telescopic rod 2 of the lifting hydraulic cylinder is downwards arranged and fixedly connected with the groove pressing support 3, the groove pressing support is rotatably connected with the groove pressing wheel, the lower side of the groove pressing wheel can be abutted to the upper side of the supporting roller, the circumferential surface of the supporting roller corresponding to the groove pressing wheel is further provided with an annular groove, a pipe fitting positioning disc 10 is coaxially arranged at one end, close to the groove pressing machine case, of the supporting roller, and the end of the pipe is in contact with the positioning disc so as to determine. During operation, hydraulic cylinder drive support moves down, and then can drive the global of indent wheel butt pipe fitting on the backing roll, and then accomplishes the indent of pipe fitting one end, secondly, can be convenient for the indent of pipe fitting through seting up the ring channel on the backing roll.

And a measuring mechanism is arranged on one side of the groove pressing support corresponding to the position of the groove pressing wheel, and the measuring mechanism assists the groove pressing wheel to realize accurate groove pressing.

The measuring mechanism comprises a measuring top frame 5, a spring 6, a limiting sliding rod 7 and a cylinder 9. The device is characterized in that the measuring top frame and the indent support are integrally arranged, a spring is fixedly arranged at the lower end of the measuring top frame, a cylinder is coaxially and fixedly arranged at the lower end of the spring, the top end of the cylinder is collinear with the axis of the indent wheel, the bottom end of the cylinder is at the same height with the lowest rim of the indent wheel, scales 21 which are gradually increased from top to bottom are integrally formed on the outer peripheral surface of the cylinder, a limiting long hole 8 is further integrally and radially formed in the cylinder in a penetrating manner, a limiting slide rod is vertically and fixedly arranged on the outer side wall of the indent support corresponding to the axis position of the indent wheel, penetrates through the limiting long hole and is in sliding connection with the inner wall of the limiting long hole, and the device reads the accurate depth.

The groove cutting machine is also provided with a pipe support frame 20, namely, at least one group of rollers can be arranged on one support, the processed pipe is supported by the rollers, and the support frame can be separated from the groove cutting machine body and can also be integrated with the groove cutting machine body.

The utility model discloses an in the concrete implementation, when the pipe fitting was installed on the backing roll before the indent automatically, in order to prevent the damage that the mouth of pipe fitting and the pipe fitting positioning disk collision of indent mechanism and lead to pipe fitting pipe orifice department install solid fixed ring 18 on the indent tank wall of installing the backing roll bilateral symmetry, install pipe fitting detector 16 through fixed plate 17 symmetry on the solid fixed ring that corresponds the positioning disk position, be equipped with a gag lever post 15 simultaneously admittedly between the fixed plate of the minimum position of pipe fitting positioning disk.

Still be provided with controlling means 19 on the indent machine case, controlling means includes display screen and a plurality of control button, and the workman only needs the button of operation controlling means, just can realize the automatic indent operation of device.

When a pipe is processed, the supporting roller which is matched with the pipe is adjusted and replaced according to the processed pipe, one end of the pipe is sleeved on the supporting roller and is in close contact with the positioning disc, meanwhile, the pipe is supported by the supporting frame, at the moment, the limiting slide rod of the measuring mechanism is positioned at the uppermost 0 scale of the limiting long hole, then, the pressure sheave is driven by the lifting hydraulic cylinder to move downwards under the control of the control device, the pressure groove motor is started to drive the supporting roller to rotate, the pipe is driven to rotate by the supporting roller, when the annular bulge on the pressure groove wheel is in contact with the pipe wall, the limiting slide rod of the measuring mechanism is positioned at the uppermost 0 scale of the limiting long hole, the pressure groove wheel continuously moves towards the supporting roller and applies pressure to the pipe wall by the annular bulge, at the moment, the limiting slide rod moves downwards in the limiting long hole, and the pipe wall is inwards, when the grooving wheel stops pressing down, the numerical display of the scale corresponding to the position of the limiting long hole on the upper surface of the limiting slide rod is the grooving depth.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims

1. The utility model provides a high accuracy pipe fitting rolling machine which characterized in that: the groove pressing machine comprises a groove pressing machine box, a supporting roll, an annular groove, a groove pressing wheel, a groove pressing support, a groove pressing motor and a measuring mechanism, wherein the supporting roll is rotatably connected to one side of the groove pressing machine box; the measuring mechanism comprises a measuring top frame, a spring, a limiting slide rod and a cylinder, the measuring top frame and a groove pressing support are integrally arranged, the spring is fixedly arranged at the lower end of the measuring top frame, a cylinder is coaxially and fixedly arranged at the lower end of the spring, the axis of the cylinder is collinear with the axis of the groove pressing wheel, the bottom end of the cylinder is at the same height as the lowest rim of the groove pressing wheel, scales which are gradually increased from top to bottom are integrally formed on the outer peripheral surface of the cylinder, a limiting long hole is further integrally and radially formed in the cylinder in a penetrating mode, the limiting slide rod is vertically and fixedly arranged on the outer side wall of the groove pressing support corresponding to the axis position of the groove pressing wheel, the limiting slide rod penetrates through the limiting long hole, the limiting slide rod is slidably connected with the inner wall of.

2. The high precision pipe notching press of claim 1, further comprising: and a pipe fitting positioning disc is coaxially arranged at one end of the supporting roll, which is close to the box wall of the grooving machine.

3. the high precision pipe notching press of claim 1, further comprising: the fixed rings are symmetrically arranged on the left and right sides of the groove pressing machine box provided with the supporting roll, the pipe fitting detectors are symmetrically arranged on the fixed rings corresponding to the positions of the pipe fitting positioning disks through the fixed plates, and a limiting rod is fixedly arranged between the fixed plates corresponding to the lowest positions of the pipe fitting positioning disks.

4. The high precision pipe notching press of claim 1, further comprising: the pressure tank device is also provided with a support frame.

5. The high precision pipe notching press of claim 1, further comprising: and one end of the supporting roller is also provided with a guide groove.

6. The high precision pipe notching press of claim 1, further comprising: and the circumferential surface of the supporting roller is fixedly provided with a slip-resistant layer.