Automatic grinding and polishing integrated processing device for welded pipe weld

Abstract

The present application relates to welding processing equipment technical field, disclose a kind of automatic grinding integrated processing device of weld of welded pipe, including base, the top end middle part of base is provided with processing bucket, the inside of processing bucket is sequentially composed of upper processing cavity, middle processing cavity and lower processing cavity from top to bottom;Top seat, it is set to the upper portion of base, the middle part of top seat is provided with electromagnet seat for the auxiliary discharge of welded pipe;Welded pipe processing mechanism, for the front-end pretreatment of weld on different size and specification welded pipe.By increasing and setting welded pipe processing mechanism, before the grinding treatment of weld on welded pipe, the mechanism is optimized grinding environment by the bidirectional action of preheating and drying, before grinding, heating gas can not only preheat weld area, reduce the influence of hardness fluctuation on grinding, but also dry the liquid remaining on surface, after grinding, hot air can quickly remove the grinding dust and liquid remaining on surface, prevent contamination adhering to affect subsequent process.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding processing equipment, in particular to a welding pipe weld automatic grinding integrated processing device. BACKGROUND

[0002] In the fields of industrial fluid transportation, energy transmission and municipal pipe network, the pipeline system as the core carrier of material and energy transmission, its stable operation is directly related to production safety and efficiency. As the key component of the pipeline system, the pipe fitting realizes the structural layout of the pipeline through connection, control, direction change, flow distribution, etc. Welding becomes the most mainstream connection method in large-diameter pipeline and high-pressure working conditions due to its high connection strength, good sealing performance and other advantages. During the welding process, the solidification of the molten pool in the weld area will form a protruding reinforcement and an irregular surface morphology. If not treated, it will not only cause the fluid resistance to increase and the stress concentration to intensify, but also affect the adhesion of the subsequent corrosion-resistant coating due to the high surface roughness. Therefore, the grinding of the weld becomes a key process to ensure the mechanical properties and appearance quality of the pipeline system.

[0003] The current mainstream weld grinding technology mainly relies on rigid grinding wheels or abrasive belts, which realize the trimming through the mechanical friction between the high-speed rotating abrasive and the weld surface. However, the complexity of the welding process makes the weld area prone to local performance fluctuations: affected by the stability of welding current and voltage and the difference in molten pool cooling rate, the hardness of the weld and the heat-affected zone often presents a deviation of ±30-50HV, and the hardness fluctuation of the weld of some high-grade pipes can even reach ±80HV.

[0004] This uneven hardness makes it difficult for traditional rigid grinding tools to adaptively adjust the grinding intensity, and there is a common phenomenon of "hard area remaining ungrounded and soft area overgrounded to the base material", which may cause insufficient effective thickness of the weld or damage to the base material. At the same time, the metal dust generated during mechanical grinding not only causes irreversible damage to the respiratory system of the operator, but also adheres to the surface of the production equipment, causing wear of precision parts. Therefore, the present application provides a welding pipe weld automatic grinding integrated processing device to solve the above technical problems. SUMMARY

[0005] In view of the shortcomings of the prior art, the present application provides a welding pipe weld automatic grinding integrated processing device, which solves the problem that the existing grinding method is prone to hard area ungrounding and soft area overgrinding.

[0006] To achieve the above purpose, the present application is implemented by the following technical scheme: a welding pipe weld automatic grinding integrated processing device, comprising

[0007] a base, a treatment barrel is arranged at the top end of the base, and the inside of the treatment barrel is composed of an upper treatment cavity, a middle treatment cavity and a lower treatment cavity from top to bottom.

[0008] a top seat arranged on the upper part of the base, a middle part of the top seat being provided with an electromagnet seat for assisting the discharge of the welded pipe;

[0009] a welded pipe processing mechanism arranged in the upper processing cavity and used for pre-processing the front end of the weld on the welded pipe of different sizes and specifications;

[0010] a front and rear processing mechanism arranged in the middle processing cavity and used for preheating the front end and drying the rear end of the weld on the welded pipe before and after processing;

[0011] an automatic grinding mechanism arranged in the lower processing cavity and used for automatically grinding the weld on the welded pipe;

[0012] an auxiliary elimination mechanism arranged in the middle processing cavity and used for assisting the elimination of the welded pipe during processing.

[0013] Preferably, the welded pipe processing mechanism comprises matching insertion holes, the top of the processing barrel is provided with a plurality of matching insertion holes of different shapes and specifications, the inner wall of each matching insertion hole is provided with a mounting sleeve matched with the shape and specification of the matching insertion hole, the inner wall of the mounting sleeve is provided with a sponge sleeve, and the outer wall of the sponge sleeve is covered with a steel wire friction layer.

[0014] Preferably, the welded pipe processing mechanism further comprises a dilute hydrochloric acid storage ring seat, the outer wall of the top of the processing barrel is provided with a dilute hydrochloric acid storage ring seat, the upper and lower sides of the middle part of the inside of the mounting sleeve are provided with liquid seepage channels, and the inside of the dilute hydrochloric acid storage ring seat is in communication with the inside of the corresponding liquid seepage channel through the internal flow channel of the inside of the top of the processing barrel.

[0015] Preferably, the front and rear processing mechanism comprises a gas shunt ring seat, the middle upper part of the outer wall of the processing barrel is provided with a gas shunt ring seat, one side of the middle top of the base is provided with a gas pump, and the exhaust end of the gas pump is in communication with the inside of the gas shunt ring seat through a connecting pipe.

[0016] Preferably, the front and rear processing mechanism further comprises a dispersion ring seat, the inside of the middle processing cavity is provided with a dispersion ring seat, the inside of the dispersion ring seat is in communication with the inside of the gas shunt ring seat through a plurality of internal flow channels of the inside of the processing barrel, a plurality of mounting rods are fixedly connected to the inside of the gas shunt ring seat at equal intervals, the mounting rods are all provided with heating wires, and a plurality of inclined discharge holes are arranged in the middle lower part of the inner wall of the dispersion ring seat in a circumferential array. The gas after heating is discharged to the surface of the welded pipe through the inclined discharge holes at different positions, so as to preheat the surface of the welded pipe or dry the residual liquid.

[0017] Preferably, the automatic sharpening mechanism comprises a silicon oil mixture, the inside of the lower processing cavity is provided with the silicon oil mixture, the silicon oil mixture is dispersed with carbonyl iron particles, the outer wall of the processing barrel is provided with a cooling liquid jacket in the lower part, the cooling liquid jacket is used for cooling the mixture in the lower processing cavity, preventing performance degradation caused by heat generated by friction during sharpening.

[0018] Preferably, the automatic sharpening mechanism further comprises a base, the top end of the base is provided with the base, the upper part of the inner wall of the base is connected with the bottom of the outer wall of the processing barrel, the inner side of the bottom end of the base is rotatably connected with a rotating seat, the bottom end of the base is provided with a driving motor, and the output end of the driving motor penetrates the base and is connected with the middle part of the rotating seat, the inside of the rotating seat is provided with a plurality of electromagnetic coils, the electromagnetic coils are connected in series through annular magnetic conductors, and the magnetic field strength output by the electromagnetic coils and the annular magnetic conductors is adjusted by a corresponding current voltage regulator.

[0019] Preferably, the auxiliary elimination mechanism comprises an intermittent air seat, the inside of the inclined row of holes is provided with the intermittent air seat, the middle part of the two ends of the intermittent air seat is fixedly connected with a rotating shaft, the two ends of the rotating shaft respectively extend into the inner wall of the inclined row of holes, and the outer wall edge of the intermittent air seat is provided with a sealing damping strip.

[0020] Preferably, the auxiliary elimination mechanism further comprises a matching insertion channel, the inside of the middle processing cavity is communicated with the inside of the lower processing cavity through a plurality of matching insertion channels with different shapes and specifications, the inside of the middle processing cavity is provided with a plurality of elastic sheets around each matching insertion channel, and the middle upper part of the elastic sheet is provided with a counterweight ball.

[0021] Preferably, it further comprises a support seat, the top end of the base is fixedly connected with the support seat around the top end, the top end of the hydraulic cylinder is connected with the bottom end of the top seat at the four corners, and a controller is arranged on one side of the middle part of the front end of the base.

[0022] Working principle: in the welding pipe on the welding seam grinding treatment, the staff through the base on the controller control support seat on the hydraulic cylinder to start, hydraulic cylinder in the start of the rod body to push out, hydraulic cylinder on the rod body to push out at the same time drive the base on the top of the seat to move up synchronously, the top of the seat after moving up, the top of the processing barrel is opened, so as to facilitate the subsequent welding pipe processing work, in the welding pipe on the welding seam processing, first welding pipe processing mechanism starts, the staff will be various different specifications and shapes of welding pipe with processing barrel on the matching jack hole corresponding, then after corresponding, the staff will be welding pipe bottom end inserted into the corresponding matching jack hole, at the same time through the top of the electromagnet seat welding pipe top end is adsorbed and fixed, then the staff through the base on the controller control support seat on the hydraulic cylinder to start, hydraulic cylinder in the start of the rod body to shrink, hydraulic cylinder on the rod body to shrink at the same time drive the top of the seat and the electromagnet seat on it to move down synchronously, electromagnet seat in the moving down at the same time synchronous bottom adsorbed fixed welding pipe to move down synchronously, at the same time, the dilute hydrochloric acid storage ring seat of dilute hydrochloric acid solution is through the processing barrel inside flow channel and installation sleeve on the liquid seepage flow channel cooperation slowly seep into the installation sleeve on the sponge sleeve, so as to ensure that the sponge sleeve in the absorption of dilute hydrochloric acid solution, welding pipe in the guidance of electromagnet seat to move down and insert into the processing barrel on the matching jack hole inside, with the matching jack hole in the welding pipe of continuous down, welding pipe outer wall and installation sleeve on the steel wire friction layer rub, at the same time also extrude the dilute hydrochloric acid solution in the sponge sleeve on the outer wall of welding pipe, through the friction of steel wire friction layer and the dissolution effect of sponge sleeve produced synergistic effect, so as to remove the oil stain and oxide layer on the surface of welding pipe, ensure the effective contact between the abrasive and the surface of welding seam in the subsequent automatic grinding process, so as to complete the surface treatment of welding pipe;Then the front and rear processing mechanism starts, before the welding pipe on the weld is processed, the welding pipe surface is processed by the welding pipe processing mechanism, then the workers control the continuous reset of the hydraulic cylinder rod body through the controller, so that the bottom end of the welding pipe gradually inserts into the inside of the processing barrel, while the welding pipe is continuously inserted, the air pump on the base starts, the air pump enters the high-pressure gas into the gas shunt ring seat through the connecting pipe, then the high-pressure gas in the gas shunt ring seat is continuously injected, the gas in the gas shunt ring seat enters the dispersion ring seat in the middle processing cavity, at the same time the heating wire on the heating wire is powered on and generates heat, so that the high-pressure gas entering the dispersion ring seat is heated, then the gas after heating is sprayed on the surface of the welding pipe through the inclined discharge hole, on the one hand, the welding pipe before the automatic grinding treatment is preheated, on the other hand, the residual dilute hydrochloric acid solution on the surface of the welding pipe and the separated impurities are dried and separated, after the grinding treatment of the welding seam on the welding pipe is completed, the workers control the rod body on the hydraulic cylinder to push out through the controller, the rod body on the hydraulic cylinder pushes out at the same time, the top seat and the welding pipe fixed by the electromagnet seat are synchronously moved up, when the welding pipe moves up through the middle processing cavity, the high-pressure gas in the dispersion ring seat heated by the heating wire is discharged from the surface of the welding pipe through the inclined discharge hole, so as to dry the residual grinding powder and liquid on the surface of the welding pipe, so as to avoid the pollution of the surface of the welding pipe affecting the subsequent use of the welding pipe, so as to complete the processing before and after the grinding of the welding pipe; then the automatic grinding mechanism starts, the welding pipe processed by the front and rear processing mechanism enters the lower processing cavity in the processing barrel, and at the same time the welding seam on the welding pipe is immersed in the silicon oil mixed solution in the lower processing cavity, then the annular magnet and the electromagnetic coil in the rotating seat are powered on, the annular magnet and the electromagnetic coil are powered on at the same time to form a magnetic field with corresponding strength in the lower processing cavity, under the guidance and action of the magnetic field, the magnetic particle group composed of carbonyl iron particles in the silicon oil mixed solution in the lower processing cavity contacts the surface of the welding pipe, then the driving motor at the bottom of the base is started, the rotating shaft of the driving motor rotates at the same time to drive the rotating seat in the base to rotate synchronously, the rotating seat rotates at the same time to drive the magnetic particle group in the lower processing cavity to rotate synchronously, the magnetic particle group rotates at the same time to grind the welding seam position protruding from the surface of the welding pipe, due to the vertical action of the magnetic field and the vertical insertion profile guide of the welding pipe, the magnetic particle group can only grind the welding seam at the same depth in all directions, so as to avoid the occurrence of hard zone residue and soft zone overgrinding, and at the same time of grinding, the cooling liquid jacket passes through the spiral cooling flow channel in it, avoids the performance attenuation of the grinding liquid caused by friction heat in the grinding process, and the workers can accurately adjust the strength of the magnetic field through the current voltage regulator, so as to ensure the processing effect of the welding seam, so as to complete the automatic grinding treatment of the welding seam of the welding pipe.When the butt joint pipe is automatically ground, the auxiliary elimination mechanism is started, and when the high-pressure gas in the dispersion ring seat is discharged through the inclined exhaust hole, the gas flowing through the inclined exhaust hole synchronously drives the intermittent air seat and the rotating shaft thereon to rotate inside, and under the influence of the friction damping of the sealing damping strip on the intermittent air seat, the gas in the inclined exhaust hole forms an intermittent discharge effect while being discharged, so that the intermittent high-pressure gas enters the middle processing cavity to process the surface of the butt joint pipe. Since the bottom of the processing barrel is closed, the high-pressure gas in the processing cavity can only be discharged from the matching jack in the upper part of the processing barrel. When the intermittent high-pressure gas enters the middle processing cavity, the intermittent high-pressure gas blows the elastic sheet in the middle processing cavity, so that the elastic sheet changes from the originally curved state under the influence of the weight ball gravity to the vertical state. When the inclined exhaust hole is not discharged under the influence of the intermittent air seat, the weight ball on the elastic sheet drives the elastic sheet to reset to the original curved state due to gravity, and synchronously impacts the surface of the butt joint pipe in the matching jack to produce vibration. The above operation is repeated, so that the elastic sheet impacts and vibrates the surface of the butt joint pipe frequently. Through the vibration mode, not only can the stress in the butt joint pipe due to welding be released quickly, but also the mechanical properties of the weld can be optimized, and the interface adaptability of the magnetic mixed liquid in the lower processing cavity to the surface of the butt joint pipe can be improved. Thus, the auxiliary elimination treatment in the processing of the butt joint pipe is completed.

[0023] The present application provides a kind of butt joint pipe weld automatic grinding integrated processing device.There is following beneficial effect:

[0024] 1、The present application increases and sets up welding pipe processing mechanism, before the grinding treatment of the weld on the butt joint pipe, the mechanism is adapted to the design of the matching jack and the installation sleeve, can adapt to the pretreatment demand of different specifications welding pipe, on the one hand, steel wire friction layer can physically remove the weld surface of slag and splashes, avoid the interference of hard impurities to subsequent grinding, on the other hand, sponge sleeve cooperates with dilute hydrochloric acid solution and can chemically dissolve oxide layer and oil dirt, ensure that the weld surface is clean, this kind of physical and chemical synergistic treatment method not only provides uniform contact basis for subsequent grinding, but also reduces the grinding defects caused by impurities, improves the overall processing quality.

[0025] 2、The present application optimizes the grinding environment through preheating and drying by adding and setting a welded pipe processing mechanism before grinding the weld on the welded pipe, the heated gas can not only preheat the weld area to reduce the influence of hardness fluctuation on grinding before grinding, but also dry the liquid remaining on the surface, and the hot air can quickly remove the grinding dust and liquid remaining on the surface after grinding to prevent pollutants from adhering to affect the subsequent process, such kind of whole-process environmental control not only guarantees the stability of the grinding process, but also lays a good foundation for the subsequent protection treatment of the weld.

[0026] 3、The present application realizes self-adaptive grinding of the weld by means of magneto-rheological effect through adding and setting an automatic grinding mechanism when grinding the weld on the welded pipe, first, the aggregation state of carbonyl iron particles can be adjusted by magnetic field regulation and control, the grinding intensity can be adjusted according to the hardness difference of the weld to avoid under-grinding of the hard area and over-grinding of the soft area, second, the cooling liquid jacket can maintain a stable working environment to prevent frictional heat from affecting the grinding accuracy, when the welded pipe weld is ground in this way, the flatness of the weld surface is guaranteed, and the mechanical properties of the base material are protected, reducing the damage caused by excessive processing.

[0027] 4、The present application realizes multiple optimization of stress and mechanical properties through intermittent airflow and elastic sheet vibration by adding and setting an auxiliary elimination mechanism while grinding the weld on the welded pipe, this kind of processing method not only accelerates the release of residual stress inside the weld through high-frequency vibration to reduce the cracking risk in subsequent use, but also optimizes the adhesion of the magnetic mixed liquid to the weld surface through vibration to improve the grinding uniformity, at the same time, the vibration generated by this kind of processing method can also enhance the mechanical properties of the weld to prolong the service life of the pipeline, this kind of dynamic auxiliary method improves the weld quality from the inside out, and forms effective synergy with the grinding process. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a front side structure schematic diagram of the present application;

[0029] Figure 2 It is a rear side structure schematic diagram of the present application;

[0030] Figure 3 It is a processing cylinder internal structure cross-sectional view schematic diagram of the present application;

[0031] Figure 4 It is an installation sleeve internal structure cross-sectional view schematic diagram of the present application;

[0032] Figure 5 It is a dispersing ring seat internal structure cross-sectional view schematic diagram of the present application;

[0033] Figure 6It is the inside structure schematic diagram of base of the application;

[0034] Figure 7 It is the inside structure section view schematic diagram of rotating seat of the application;

[0035] Figure 8 It is the inside structure schematic diagram of middle processing cavity of the application;

[0036] Figure 9 It is the structure schematic diagram of elastic sheet of the application;

[0037] Figure 10 It is the inside structure section view schematic diagram of inclined hole of the application.

[0038] Wherein, 1, base; 2, base; 3, cooling liquid jacket; 4, processing barrel; 5, air pump; 6, controller; 7, hydraulic cylinder; 8, matching jack; 9, electromagnet seat; 10, top seat; 11, dilute hydrochloric acid storage ring seat; 12, gas shunt ring seat; 13, support seat; 14, mounting sleeve; 15, upper processing cavity; 16, dispersion ring seat; 17, middle processing cavity; 18, lower processing cavity; 19, silicone oil mixed liquid; 20, steel wire friction layer; 21, sponge sleeve; 22, liquid permeation flow channel; 23, inclined hole; 24, mounting rod; 25, heating wire; 26, rotating seat; 27, drive motor; 28, annular magnet; 29, electromagnetic coil; 30, counterweight ball; 31, elastic sheet; 32, matching jack; 33, intermittent air seat; 34, rotating shaft; 35, sealing damping strip. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the accompanying drawings of the specification of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0040] Please refer to the accompanying drawings of the application Figure 1 The accompanying drawings of the application Figure 2 The embodiment of the application provides a welding pipe welding seam automatic grinding integrated processing device, which comprises a base 1, a processing barrel 4 is arranged at the middle of the top end of the base 1, the inside of the processing barrel 4 is sequentially composed of an upper processing cavity 15, a middle processing cavity 17 and a lower processing cavity 18 from top to bottom; a top seat 10 is arranged at the upper part of the base 1, and the middle part of the top seat 10 is provided with an electromagnet seat 9 for welding pipe auxiliary discharge; support seats 13 are fixedly connected at the periphery of the top end of the base 1, hydraulic cylinders 7 are arranged at the top end of the support seats 13, the rod bodies of the hydraulic cylinders 7 are respectively connected with the bottom corners of the top seat 10, and a controller 6 is arranged at the middle side of the front end of the base 1.

[0041] Please refer to the attached drawings Figure 3 - the attached drawings Figure 4 , a welded pipe processing mechanism arranged in the upper processing cavity 15 and used for performing front-end preprocessing on the welds of welded pipes of different sizes and specifications;

[0042] The welded pipe processing mechanism comprises a plurality of matching insertion holes 8 arranged on the top of the processing barrel 4 and having different shapes and specifications, the inner wall of each matching insertion hole 8 is provided with a mounting sleeve 14 matched with the shape and specification of the matching insertion hole 8, and the inner wall of the mounting sleeve 14 is provided with a sponge sleeve 21, and the outer wall of the sponge sleeve 21 is covered with a steel wire friction layer 20.

[0043] When the welded pipe processing mechanism is started, the workers correspond the welded pipes of different specifications and shapes with the matching insertion holes 8 on the processing barrel 4, and then insert the bottom end of the welded pipe into the corresponding matching insertion hole 8 after the correspondence is completed, and at the same time, the top end of the welded pipe is fixed by the electromagnet base 9 on the top seat 10, and then the workers control the hydraulic cylinder 7 on the support base 13 to start through the controller 6 on the base 1, the rod body of the hydraulic cylinder 7 is retracted at the same time, the rod body of the hydraulic cylinder 7 is retracted at the same time, the top seat 10 and the electromagnet base 9 thereon are synchronously lowered, and the welded pipe fixed by the electromagnet base 9 is synchronously lowered at the same time.

[0044] The welded pipe processing mechanism further comprises a dilute hydrochloric acid storage ring base 11 arranged on the top of the outer wall of the processing barrel 4, the upper and lower sides of the middle part of the inner wall of the mounting sleeve 14 are provided with liquid permeation flow channels 22, and the inner part of the dilute hydrochloric acid storage ring base 11 is in communication with the inner part of the corresponding liquid permeation flow channel 22 through the internal flow channel on the inner top of the processing barrel 4.

[0045] At the same time, the dilute hydrochloric acid solution in the dilute hydrochloric acid storage ring base 11 slowly permeates into the sponge sleeve 21 on the mounting sleeve 14 through the internal flow channel in the processing barrel 4 and the liquid permeation flow channel 22 on the mounting sleeve 14, so as to ensure that the sponge sleeve 21 is filled with the dilute hydrochloric acid solution, when the welded pipe is guided by the electromagnet base 9 to be inserted into the inner part of the matching insertion hole 8 on the processing barrel 4, with the continuous downward movement of the welded pipe in the matching insertion hole 8, the outer wall of the welded pipe rubs against the steel wire friction layer 20 on the mounting sleeve 14, and at the same time, the dilute hydrochloric acid solution in the sponge sleeve 21 is squeezed out and coated on the outer wall of the welded pipe, and through the cooperation of the friction generated by the steel wire friction layer 20 and the dissolving effect generated by the sponge sleeve 21, the oil stains and oxide layers on the surface of the welded pipe are removed, and the effective contact between the abrasive particles and the surface of the weld in the subsequent automatic grinding process is ensured, so as to complete the surface treatment of the welded pipe.

[0046] Please refer to the attached drawings Figure 3 and the attached drawings Figure 5A front and rear processing mechanism is arranged in the middle processing cavity 17, and is used for preheating the front end of the weld of the welded pipe and drying treatment of the rear end of the weld before and after processing;

[0047] The front and rear processing mechanism comprises a gas shunt ring seat 12, the gas shunt ring seat 12 is arranged on the upper part of the outer wall of the processing barrel 4, a gas pump 5 is arranged on one side of the middle part of the top end of the base 1, and the exhaust end of the gas pump 5 is communicated with the inside of the gas shunt ring seat 12 through a connecting pipe.

[0048] When the front and rear processing mechanism is started, after the surface of the welded pipe is processed by the welded pipe processing mechanism, the bottom end of the welded pipe is gradually inserted into the inside of the processing barrel 4 by continuously resetting the rod body of the hydraulic cylinder 7 controlled by the controller 6, and the gas pump 5 on the base 1 is started, and the gas pump 5 injects high-pressure gas into the inside of the gas shunt ring seat 12 through the connecting pipe.

[0049] Then, with the continuous injection of high-pressure gas in the gas shunt ring seat 12, the gas in the gas shunt ring seat 12 enters the dispersion ring seat 16 in the middle processing cavity 17, the heating wires 25 on the heating wires 25 are powered on and generate heat, so that the high-pressure gas entering the dispersion ring seat 16 is heated, and the gas after heating is sprayed on the surface of the welded pipe through the inclined discharge holes 23, which preheats the welded pipe before automatic grinding treatment, and also removes and separates the residual dilute hydrochloric acid solution and impurities on the surface of the welded pipe.

[0050] The front and rear processing mechanism further comprises a dispersion ring seat 16, the inside of the middle processing cavity 17 is provided with the dispersion ring seat 16, the inside of the dispersion ring seat 16 is communicated with the inside of the gas shunt ring seat 12 through a plurality of internal flow channels in the processing barrel 4, a plurality of mounting rods 24 are fixedly connected in the inside of the gas shunt ring seat 12 at equal intervals, the mounting rods 24 are all provided with the heating wires 25, a plurality of inclined discharge holes 23 are arranged in the lower part of the inner wall of the dispersion ring seat 16 in a circumferential array, and the gas after heating is discharged on the surface of the welded pipe through the inclined discharge holes 23 at different positions, so as to preheat the surface of the welded pipe or dry the residual liquid.

[0051] After the welding seam on the welding pipe is finished with the grinding treatment, the staff controls the rod on the hydraulic cylinder 7 to push out through the controller 6, the rod on the hydraulic cylinder 7 pushes out at the same time, the top seat 10 on the rod and the welding pipe fixed by the electromagnet seat 9 are synchronously moved upwards, when the welding pipe moves upwards through the middle processing cavity 17, the high-pressure gas heated by the heating wire 25 in the dispersed ring seat 16 is discharged to the surface of the welding pipe through the inclined row hole 23, so that the grinding powder and liquid remaining on the surface of the welding pipe are dried, so as to avoid the pollution of the surface of the welding pipe affecting the subsequent use of the welding pipe, so as to complete the treatment before and after the grinding of the welding pipe.

[0052] Please refer to the attached drawings Figure 6 - the attached drawings Figure 7 , the automatic grinding mechanism is arranged in the lower processing cavity 18, and is used for automatically grinding the welding seam on the welding pipe.

[0053] The automatic grinding mechanism comprises a silicon oil mixed liquid 19, the lower processing cavity 18 is internally provided with the silicon oil mixed liquid 19, carbonyl iron particles are dispersed in the silicon oil mixed liquid 19, and a cooling liquid jacket 3 is arranged in the lower part of the outer wall of the processing barrel 4, and the cooling liquid jacket 3 is used for cooling the mixed liquid in the lower processing cavity 18, so as to prevent performance attenuation caused by heat generated by friction in the grinding process.

[0054] When the automatic grinding mechanism is started, the welding pipe processed by the front and rear processing mechanisms enters the lower processing cavity 18 in the processing barrel 4, and at the same time, the welding seam on the welding pipe is synchronously immersed into the silicon oil mixed liquid 19 in the lower processing cavity 18, then the annular magnetic conductor 28 and the electromagnetic coil 29 in the rotating seat 26 are started by being electrified, the annular magnetic conductor 28 and the electromagnetic coil 29 form a magnetic field with corresponding strength in the lower processing cavity 18 at the same time of being started by being electrified, and under the guidance and action of the magnetic field, the magnetic particle group formed by the carbonyl iron particles in the silicon oil mixed liquid 19 in the lower processing cavity 18 contacts the surface of the welding pipe.

[0055] The automatic grinding mechanism further comprises a base 2, the top end of the base 2 is provided with the base 2, the upper part of the inner wall of the base 2 is connected with the bottom of the outer wall of the processing barrel 4, the rotating seat 26 is rotatably connected to the middle part of the inner bottom end of the base 2, the drive motor 27 is arranged in the middle part of the bottom end of the base 2, the output end of the drive motor 27 penetrates through the base 2 and is connected with the middle part of the rotating seat 26, a plurality of electromagnetic coils 29 are arranged in the rotating seat 26, the electromagnetic coils 29 are connected in series through the annular magnetic conductor 28, and the magnetic field strength output by the electromagnetic coils 29 and the annular magnetic conductor 28 is adjusted by a corresponding current-voltage regulator.

[0056] Then the drive motor 27 at the bottom of the base 2 is started, the rotating shaft of the drive motor 27 drives the rotating seat 26 in the base 2 to rotate synchronously, the rotating seat 26 drives the magnetic particle group in the processing cavity 18 to rotate synchronously, the magnetic particle group grinds the position of the protruding weld on the surface of the welded pipe, and due to the vertical action of the magnetic field and the vertical insertion profile guide of the welded pipe, the magnetic particle group can only perform full-depth grinding treatment on the surface of the welded pipe while grinding the weld, so that the hard zone residual and the soft zone over-grinding situation do not occur, and at the same time of grinding, the cooling liquid jacket 3 passes through the spiral cooling channel in it, avoids the performance attenuation of the grinding liquid due to the friction heat in the grinding process, and the staff can accurately adjust the strength of the magnetic field through the current voltage regulator, so as to ensure the processing effect of the weld, so as to complete the automatic grinding treatment of the weld of the welded pipe.

[0057] Please refer to the accompanying drawings Figure 8 - the accompanying drawings Figure 10 The auxiliary elimination mechanism is arranged in the middle processing cavity 17 and is used for auxiliary elimination treatment of the welded pipe in the processing process.

[0058] The auxiliary elimination mechanism includes an intermittent air seat 33, the inside of the inclined row hole 23 is provided with the intermittent air seat 33, the middle part of the two ends of the intermittent air seat 33 is fixedly connected with a rotating shaft 34, the two ends of the rotating shaft 34 respectively extend into the inner wall of the inclined row hole 23, and the outer wall edge of the intermittent air seat 33 is provided with a sealing damping strip 35.

[0059] When the auxiliary elimination mechanism is started and the high-pressure gas in the dispersion ring seat 16 is discharged through the inclined row hole 23, the gas flowing through the inclined row hole 23 drives the intermittent air seat 33 and the rotating shaft 34 thereon to rotate in the inside, and under the influence of the friction damping of the sealing damping strip 35 on the intermittent air seat 33, the gas in the inclined row hole 23 forms an intermittent discharge effect while being discharged, so that the intermittent high-pressure gas is discharged into the inside of the middle processing cavity 17 to process the surface of the welded pipe.

[0060] The auxiliary elimination mechanism further includes a matching insertion channel 32, the middle processing cavity 17 is communicated with the inside of the lower processing cavity 18 through a plurality of matching insertion channels 32 with different shapes and specifications, a plurality of elastic sheets 31 are arranged around each matching insertion channel 32 in the inside of the middle processing cavity 17, and a counterweight ball 30 is arranged in the middle upper part of the elastic sheet 31.

[0061] Since the bottom of the processing barrel 4 is closed, the high-pressure gas in the processing cavity 17 can only be discharged from the matching insertion hole 8 at the upper part of the processing barrel 4. When the intermittent high-pressure gas enters the inside of the middle processing cavity 17, the intermittent high-pressure gas blows the elastic sheet 31 in the middle processing cavity 17, so that the elastic sheet 31 changes from the originally curved state affected by the gravity of the counterweight ball 30 to the vertical state.

[0062] When the intermittent wind seat 33 does not affect the high-pressure gas discharge in the inclined discharge hole 23, the counterweight ball 30 on the elastic sheet 31 is affected by gravity to drive the elastic sheet 31 to reset to the original curved state at the upper part, and synchronously impact the surface of the welded pipe in the matching insertion hole 32 to generate vibration. The above operation is repeated, so that the elastic sheet 31 frequently impacts and vibrates the surface of the welded pipe. Through the vibration, the stress in the welded pipe caused by welding can be quickly released, the mechanical properties of the weld can be optimized, and the interface adaptability of the magnetic mixed liquid in the lower processing cavity 18 to the surface of the welded pipe can be improved, so as to complete the auxiliary elimination treatment in the welding pipe processing process.

[0063] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An integrated automatic grinding and processing device for welded pipe seams, characterized in that, include The base (1) has a processing tank (4) at the top center. The interior of the processing tank (4) consists of an upper processing chamber (15), a middle processing chamber (17) and a lower processing chamber (18) from top to bottom. Top seat (10), which is located on the upper part of the base (1), and an electromagnet seat (9) for auxiliary discharge of welded pipe is provided in the middle of the top seat (10). The welded pipe processing mechanism is located inside the upper processing chamber (15) and is used to pre-process the weld seams on welded pipes of different sizes and specifications. The welded pipe processing mechanism includes matching insertion holes (8). The top of the processing barrel (4) is provided with multiple matching insertion holes (8) of different shapes and specifications. The inner wall of each matching insertion hole (8) is provided with an installation sleeve (14) that matches its shape and specifications. The inner wall of each installation sleeve (14) is provided with a sponge sleeve (21). The outer wall of each sponge sleeve (21) is covered with a steel wire friction layer (20). The pre- and post-processing mechanism is located inside the intermediate processing chamber (17) and is used to preheat the front end and dry the back end of the weld seam of the welded pipe before and after processing. The pre- and post-processing mechanism includes a gas diversion ring seat (12). The upper part of the outer wall of the processing barrel (4) is provided with a gas diversion ring seat (12). A gas pump (5) is provided on one side of the top center of the base (1). The exhaust end of the gas pump (5) is connected to the interior of the gas diversion ring seat (12) through a connecting pipe. The pre- and post-processing mechanism also includes a dispersion ring seat (16). The dispersion ring seat (16) is provided inside the middle processing chamber (17). The interior of the dispersion ring seat (16) is connected to the interior of the gas diversion ring seat (12) through multiple internal flow channels inside the processing barrel (4). Multiple mounting rods (24) are fixedly connected at equal intervals inside the gas diversion ring seat (12). Each mounting rod (24) is provided with a heating wire (25). Multiple inclined holes (23) are arranged in a circular array in the lower middle part of the inner wall of the dispersion ring seat (16). The heated gas is discharged to the surface of the welded pipe through the inclined holes (23) at various positions to preheat the surface of the welded pipe or dry the residual liquid. An automatic grinding mechanism is set inside the lower processing chamber (18) and is used to automatically grind the weld seam on the welded pipe. An auxiliary removal mechanism is set inside the intermediate processing chamber (17) to perform auxiliary removal treatment on the welded pipe during the processing. The auxiliary elimination mechanism includes an intermittent air seat (33). An intermittent air seat (33) is provided inside each of the inclined drain holes (23). A rotating shaft (34) is fixedly connected to the middle of each end of the intermittent air seat (33). The two ends of the rotating shaft (34) extend into the inner wall of the inclined drain hole (23). A sealing damping strip (35) is provided on the outer edge of the intermittent air seat (33).

2. The integrated automatic grinding and processing device for welded pipe seams according to claim 1, characterized in that, The welded pipe processing mechanism also includes a dilute hydrochloric acid storage ring seat (11). The top of the outer wall of the processing tank (4) is provided with a dilute hydrochloric acid storage ring seat (11). The upper and lower sides of the middle part of the installation sleeve (14) are provided with seepage channels (22). The interior of the dilute hydrochloric acid storage ring seat (11) is connected to the interior of the corresponding seepage channel (22) through the internal channel at the top of the inner side of the processing tank (4).

3. The integrated automatic grinding and processing device for welded pipe seams according to claim 1, characterized in that, The automatic grinding mechanism includes a silicone oil mixture (19), and the lower processing chamber (18) is filled with the silicone oil mixture (19). Carbonyl iron particles are dispersed inside the silicone oil mixture (19). A coolant jacket (3) is provided in the lower part of the outer wall of the processing tank (4). The coolant jacket (3) is used to cool the mixed liquid in the lower processing chamber (18) to prevent performance degradation caused by frictional heat generation during the grinding process.

4. The integrated automatic grinding and processing device for welded pipe seams according to claim 1, characterized in that, The automatic grinding mechanism also includes a base (2), which is located at the top center of the base (1). The upper part of the inner wall of the base (2) is connected to the bottom of the outer wall of the processing barrel (4). A rotating seat (26) is rotatably connected to the bottom center of the inner side of the base (2). A drive motor (27) is located at the bottom center of the base (2). The output end of the drive motor (27) passes through the base (2) and is connected to the center of the rotating seat (26). Multiple electromagnetic coils (29) are arranged inside the rotating seat (26). The electromagnetic coils (29) are connected in series through a ring magnet (28). The magnetic field strength generated by the electromagnetic coils (29) and the ring magnet (28) is adjusted by the corresponding current and voltage regulator.

5. The integrated automatic grinding and processing device for welded pipe seams according to claim 1, characterized in that, The auxiliary elimination mechanism also includes matching channels (32). The middle processing cavity (17) is connected to the interior of the lower processing cavity (18) through multiple matching channels (32) of different shapes and specifications. Multiple elastic plates (31) are arranged around each matching channel (32) inside the middle processing cavity (17). A counterweight ball (30) is arranged in the upper middle part of the elastic plate (31).

6. The integrated automatic grinding and processing device for welded pipe seams according to claim 1, characterized in that, It also includes a support base (13), and a support base (13) is fixedly connected to the top of the base (1) around the perimeter. A hydraulic cylinder (7) is provided at the top of each support base (13). The top of the rod of the hydraulic cylinder (7) is connected to the bottom corner of the top seat (10) respectively. A controller (6) is located on one side of the middle of the front end of the base (1).

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