CN210451750U - Metal pipe double-end processing machine tool - Google Patents

Abstract

The utility model discloses a tubular metal resonator bi-polar machine tool is equipped with the frame on the lathe, and the both ends of frame are equipped with processingequipment, and the frame middle part is equipped with anchor clamps, and the tubular metal resonator is located in anchor clamps, anchor clamps include the casing, the both ends of casing are equipped with the fixed disk, be connected with the compression roller between the fixed disk, the compression roller sets up around anchor clamps circumference axis direction. Arrange the setting around the circumference through a plurality of compression rollers in the anchor clamps, can make the middle part of casing reserve out a cylindrical cavity, the cavity is used for pressing from both sides tight tubular metal resonator, through the friction on tubular metal resonator surface when the compression roller is rotatory, polishes the tubular metal resonator surface, gets rid of the iron rust and the impurity etc. on tubular metal resonator surface.

Description

Metal pipe double-end processing machine tool

Technical Field

The utility model belongs to the technical field of machining and specifically relates to a tubular metal resonator bi-polar machine tool is related to.

Background

The processing of shaft and pipe parts usually has the requirement of axiality, and for steel and iron parts, the outer diameter processing can be usually finished by adopting a 'double-top' finish turning or finish grinding mode, and the processing of two ends of a workpiece needs to be turned around and processed twice, so that great processing inconvenience is caused.

CN108942291A discloses a high-efficient anchor clamps for pipeline cutting, pipeline spare has been placed on the mesa of anchor clamps platform, the both sides edge of pipeline spare is contradicted and is equipped with the side direction clamp plate, the top edge of pipeline spare is contradicted and is equipped with the roof pressure board, side direction clamp plate, roof pressure board respectively with bolt one, the bottom looks rigid coupling of bolt two, bolt one, bolt two respectively with the screw hole screw thread assembly connection of seting up on slider one, the slider two respectively slidable mounting on pole setting, horizontal pole, the pole setting is connected perpendicularly on anchor clamps platform, and the symmetry is installed in the left and right sides of pipeline spare, horizontal pole and anchor clamps platform parallel arrangement, and install directly over pipeline spare. This anchor clamps can only fix a position the tubular metal resonator, prevents that its smooth roll from influencing the effect of cutting, can't satisfy polishing and the correction to the tubular metal resonator body.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a tubular metal resonator bi-polar machine tool, the setting of anchor clamps can polish and rectify the body of tubular metal resonator in this lathe.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a tubular metal resonator bi-polar machine tool is equipped with the frame on the lathe, and the both ends of frame are equipped with processingequipment, and the frame middle part is equipped with anchor clamps, and the tubular metal resonator is located in anchor clamps, anchor clamps include the casing, the both ends of casing are equipped with the fixed disk, be connected with the compression roller between the fixed disk, the compression roller sets up around anchor clamps circumference axis direction.

The scheme has the advantages that: the machine tool is provided with a clamp, a cylindrical cavity is reserved in the middle of the shell by arranging a plurality of compression rollers in the clamp in the direction of a circumferential axis, the cavity is used for clamping the metal pipe, and the metal pipe can be detected by directly contacting the compression rollers with the metal pipe, if the bending amplitude of the metal pipe is too large, the metal pipe cannot be placed into the cavity; the press roller can rotate, the surface of the metal pipe is polished through friction on the surface of the metal pipe when the press roller rotates, rust, impurities and the like on the surface of the metal pipe are removed, and in addition, the press roller can extrude the surface of the metal pipe, and the metal pipe with a slightly bent part can be corrected.

Further, the two ends of the metal pipe extend out of the clamp, and the machining device simultaneously machines the two ends of the metal pipe. Through the setting of anchor clamps, can let the both ends of work piece stretch out anchor clamps, simultaneously, be equipped with processingequipment at the both ends of anchor clamps, make it can process simultaneously to the both ends of work piece, compare the one end that prior art once can only process the tubular metal resonator, this lathe has improved work efficiency, has practiced thrift process time.

Further, the fixed disk comprises an outer disk and an inner disk, the outer disk is connected with the shell, and the inner side of the inner disk is connected with a press roller in a shaft mode. The compression roller is convenient to install in the casing, can make the compression roller rotatory in the casing simultaneously, is convenient for drive the work piece that presss from both sides the intracavity when the compression roller is rotatory together rotatory, and the rotation of the compression roller of being convenient for simultaneously has the correction function to the tubular metal resonator, if there is the small-amplitude bending in tubular metal resonator somewhere, the compression roller rotation can have pressure to the tubular metal resonator, through the compression roller to tubular metal resonator extrusion all around, can rectify the bending part.

Furthermore, a buffer device is arranged between the fixed disc and the compression roller, and an elastic part is arranged in the buffer device; and a transmission device for transmitting the compression roller to rotate is also arranged in the shell. Through the arrangement of the elastic piece, the elastic piece can be a spring, an elastic ball, a telescopic rod and the like, and the size of the cavity can be slightly enlarged through extrusion, so that the metal pipe meeting the requirements can not enter the clamp because the surface of the metal pipe is provided with rust, impurities and the like; in addition, the metal pipe may be a metal pipe with a small-amplitude bend, which is missed if the cavity size cannot be adjusted, increasing the production cost, and which can be corrected by the press roller.

Preferably, a locking device is further arranged between the shell and the compression rollers and used for adjusting the distance between the compression rollers, so that the size of the cavity is adjusted to clamp the workpiece, and the workpiece is convenient to process.

Furthermore, the frame is including being located the frame both ends, the relative frame that sets up, be equipped with processingequipment on the frame. The frames at the two ends are arranged at the two ends of the clamp, and the processing device on each frame is responsible for the end parts of the corresponding metal pipes, so that the two ends of each metal pipe are simultaneously processed.

Further, the frame is a regular polygon frame, and the two frames are connected together through a screw rod.

Preferably, the frame is a quadrilateral frame, and screw rods are arranged at four included angles of the frame and connect the two frames together. The frames can also be triangular, the distance between the two frames can be adjusted by the arrangement of the screw rod, the screw rod positively transmits, the two frames relatively move, and the distance between the two frames is shortened; and the screw rod rotates reversely, the two frames move oppositely, and the distance between the two frames is increased.

Furthermore, a driving wheel matched with the threads on the screw rod is arranged on the frame, and the driving wheel is driven by a synchronous motor. The transmission wheel and the synchronous motor realize automatic control of the screw rod, and forward rotation and reverse rotation of the screw rod are driven by forward rotation and reverse rotation of the synchronous motor; meanwhile, the synchronous motor can realize the synchronous operation of the four screw rods, so that the stress of the frame is uniform.

Furthermore, a reinforcing rod is arranged between the screw rods positioned in the same vertical direction. Prevent that the lead screw from falling out from the frame, be convenient for improve the structural strength of lead screw simultaneously, prevent that the lead screw atress from excessively breaking or smooth silk.

Furthermore, a guide rail is arranged below the frame, the frame slides on the guide rail, the guide rail is installed on a machine tool, and a heating device is further arranged on the machine tool. Make things convenient for the removal of frame, the jamming appears when preventing that the frame from removing, influences the atress of frame. The heating device is a high-frequency induction heater and is used for heating the end part of the workpiece.

A double-end machining method for a metal pipe comprises the following steps:

firstly, adjusting the distance between two frames to be proper so as to conveniently place a workpiece into a fixture;

secondly, extending the workpiece into the clamp from one end of the clamp and extending the workpiece out from the other end of the clamp, and adjusting the length of the workpiece extending out of the two ends of the clamp to ensure that the length error of the workpiece extending out of the two ends is not more than 10 cm;

thirdly, adjusting the distance between the two frames to enable the processing devices on the two frames to contact the workpiece, and selecting the processing devices according to the requirements of processing the workpiece;

fourthly, rotating the compression roller to polish, detect and correct the surface of the workpiece;

fifthly, starting the processing device to process two ends of the workpiece simultaneously; after the processing is finished, closing the processing device;

and sixthly, adjusting the distance between the two frames far, taking out the workpiece, and finishing the processing.

The utility model has the advantages that:

the combination of the outer side disc, the inner side disc and the press roller is similar to the design of a bearing, so that the press roller can rotate around the circumferential direction to polish and correct a workpiece in the middle; when the device is used, a workpiece is placed into the clamp, two ends of the workpiece extend out of the clamp, and two ends of the clamp are provided with processing devices for processing the workpiece, so that two ends of the workpiece can be simultaneously processed; the lead screw is arranged on the frame and can be used for adjusting the distance between the two frames, so that the distance between the processing device and the workpiece is adjusted.

Drawings

FIG. 1 is a schematic structural view of a double-end machining tool for metal pipes;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is a schematic view of a clamp structure;

FIG. 4 is a sectional view of the damper installation;

FIG. 5 is a cross-sectional view of a cushioning device;

FIG. 6 is a schematic view of the transmission mechanism of the clamp;

FIG. 7 is a cross-sectional view of the locking device installation;

FIG. 8 is a schematic view of the locking device;

FIG. 9 is a schematic view of a belt installation on the transmission;

FIG. 10 is a schematic view of a guide shaft mounting structure;

FIG. 11 is a schematic view of another actuator mounting of the clamp;

FIG. 12 is a schematic view of a bull gear mounting structure;

FIG. 13 is a schematic view of a press roll configuration;

in the figure: 1-a first guide rail, 2-a chute, 3-a reinforcing bar, 4-a second frame, 5-a screw, 6-a second frame, 7-a clamp, 8-a second guide rail, 9-a processing device, 10-a synchronous motor, 11-a driving wheel, 12-an inner disc, 13-an outer disc, 14-a housing, 15-a press roller, 16-a buffer device, 17-a metal tube, 18-a bearing, 19-a slider, 20-a stopper, 21-a spring, 22-a movable bar, 23-a supporting bar, 24-a fixed mount, 25-a supporting disc, 26-a driving bar, 27-a pawl, 28-a second guiding shaft, 29-a first guiding shaft, 30-a belt, 31-a driven wheel, 32-a driving wheel, 33-a large gear, 34-a connecting end, 35-a gear groove, 36-a machine tool, 37-a heating device, 38-a guide shaft and 39-a support.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Referring to FIGS. 1 to 3: the utility model provides a tubular metal resonator 17 bi-polar machine tool 36 is equipped with the frame on the lathe 36, and the both ends of frame are equipped with processingequipment 9, and the frame middle part is equipped with anchor clamps 7, and tubular metal resonator 17 is located in anchor clamps 7, anchor clamps 7 include casing 14, the both ends of casing 14 are equipped with the fixed disk, be connected with compression roller 15 between the fixed disk, compression roller 15 sets up around anchor clamps 7 circumference axis direction.

In this embodiment, the machine tool 36 is provided with a first guide rail 1, a frame is provided above the guide rail, the frame includes two frames, the two frames are oppositely disposed on the guide rail, the frame on the right side is defined as a second frame 4, the frame on the left side is defined as a second frame, the frame is a rectangular frame, one long side is mounted above the first guide rail 1, a second guide rail 8 is arranged between the two short sides, a processing device 9 is arranged on the second guide rail 8, the specific selection of the processing device 9 is selected according to the type of the workpiece to be processed, so that the processing device 9 can move on the second guide rail 8, the sliding device is a prior art, the structure is not further described here, the processing device 9 is provided with a heating device 37, and the heating device 37 is a high-frequency induction heater for heating the end part of the workpiece, and the power of the high-frequency induction heater is 30-150 kilowatts.

In this embodiment, the first guide rail 1 is a U-shaped structure with a concave middle part and two convex sides, the concave middle part is defined as the sliding chute 2, two pulley pieces are arranged below the second frame 4 and below the second frame and extend downwards at the corresponding sliding chute 2, and a pulley is arranged between the two pulley pieces, so that the second frame 4 and the second frame can move on the first guide rail 1, and the second frame 4 and the second frame can move on the first guide rail 1 very smoothly due to the action of the pulley, thereby preventing the second frame 4 and the second frame from being stuck when moving. Meanwhile, threaded holes are formed in four included angles of the two rectangular frames, screw rods 5 penetrate through the corresponding threaded holes, and the two frames are connected through the four screw rods 5.

In this embodiment, one side of the second frame far away from the second frame 4 is provided with a driving wheel 11 matched with threads on the screw rod 5, the driving wheel 11 is driven by a synchronous motor 10, the driving wheel 11 is connected with the synchronous motor 10 through a movable shaft, the activity is fixed on the frame through a shaft seat, the synchronous motor 10 is provided with two sets, the synchronous motor 10 is arranged on two short edges of the second frame, a single synchronous motor 10 simultaneously drives two screw rods 5, the screw rods 5 are convenient to synchronously rotate, the second frame 4 and the second frame are uniformly stressed, and the moving stability of the frames is improved. The screw 5 is rotated in a forward or reverse direction by the rotation of the transmission wheel 11, so that the distance between the second frame 4 and the second frame is shortened or shortened. For example, the synchronous motor 10 may be a siemens type 1FL6032-2AF21-1AB1 servo motor, and the servo motor is started to make the servo motor forward, and the lead screw 5 correspondingly forward, so as to draw the distance between the second frame 4 and the second frame; the servo motor is reversed and the screw 5 is correspondingly reversed, so that the distance between the second frame 4 and the second frame is increased. The mounting position of the transmission wheel 11 is not limited to the side of the second frame away from the second frame 4, and may be the side of the second frame close to the second frame 4, or may be mounted on the second frame 4.

In this embodiment, be located and be equipped with stiffener 3 between the lead screw 5 on the same vertical direction, stiffener 3 can be two, installs at the tip that lead screw 5 stretches out second frame 4, and stiffener 3 can play limiting displacement to lead screw 5, prevents that lead screw 5 from breaking away from the frame, is convenient for improve lead screw 5's structural strength simultaneously, prevents that lead screw 5 atress from excessively breaking or smooth silk.

In this embodiment, the middle of the frame is provided with a clamp 7 for clamping a workpiece, so as to facilitate the processing of the workpiece by the processing device 9. The clamp 7 comprises a shell 14, the shell 14 is connected on the first guide rail 1 through bolts, the shell 14 is in a hollow cylindrical shape, fixing discs are arranged at two ends of the shell 14, the pressing roller fixing device is used for installing a pressing roller 15, the fixing disc comprises an outer disc 13 and an inner disc 12, the outer disc 13 is fixedly connected with a shell 14 in a welding mode or through bolts, a plurality of pressing rollers 15 are arranged in the inner disc 12, the pressing rollers 15 are distributed along the circumferential axis of the shell 14, a clamping cavity for clamping a workpiece is formed in the shell 14, a buffer device 16 is arranged between the inner disc 12 and the pressing rollers 15, one end of the buffer device 16 is fixedly connected with the inner disc 12, a bearing 18 seat is arranged at the other end of the buffer device 16, the bearing 18 seat is in shaft connection with the end part of the pressing roller 15, the pressing roller 15 can rotate in the shell 14, the outer diameter of the bearing 18 seat is smaller than that of the pressing roller 15, the pressing roller;

the buffer device 16 comprises a slide block 19 and a fixed frame 24, the slide block 19 is connected with the fixed frame 24 in a sliding manner, an elastic part is arranged between the slide block 19 and the fixed frame 24, the elastic part comprises a support rod 23 arranged on the fixed frame 24, a blind hole is arranged at the upper end of the support rod 23, a movable rod 22 is arranged at the lower end of the slide block 19, the movable rod 22 moves in the blind hole, a spring 21 is sleeved outside the movable rod 22, one end of the spring 21 is connected with the bottom of the slide block 19, the other end of the spring is connected with the upper end of the support rod 23, a limiting block 20 is arranged on the fixed frame 24, a bearing 18 is arranged on the slide block 19, the bearing 18 is connected with connecting ends 34 at two ends of the compression roller 15, the bottom edge of the fixed frame 24 is connected with a fixed disc, when a workpiece is installed and placed, the end part of the workpiece extrudes the, while facilitating a reduction in damage to the press roll 15.

A locking device is further arranged between the shell 14 and the compression roller 15, one end of the locking device is fixedly connected with the shell 14, the other end of the locking device is connected with the compression roller 15, and the locking device is an extensible member and is used for supporting the distance between the compression roller 15 and the adjusting compression roller 15 so as to adjust the size of the clamping cavity; when the work piece was settled in pressing from both sides the intracavity, locking device supported compression roller 15 and contracts, played the tight effect of clamp to the expansion pipe, and compression roller 15 is the standard component simultaneously, looked over the size in clearance between expansion pipe and the compression roller 15 when pressing from both sides tight, detected and judged whether the expansion pipe is crooked, and the expansion pipe is rectified to the extrusion rotation of compression roller 15, and the correction is accomplished when compression roller 15 and expansion pipe laminate completely not in the clearance.

Locking device includes the pneumatic cylinder, supporting disk 25, the supporting disk 25 outside is fixed with casing 14 and is welded, the medial surface of supporting disk 25 is located to the pneumatic cylinder, and set up towards the 14 radial directions of casing, the one end that casing 14 was kept away from to the pneumatic cylinder is equipped with claw 27, claw 27 and compression roller 15 swing joint, the pneumatic cylinder stretches out during the use, claw 27 promotes compression roller 15 and removes towards casing 14 the central axis, the double-layered chamber reduces, press from both sides the work piece that is located double-layered intracavity, make compression roller 15 and work piece laminating, locking device can a plurality of settings, be convenient for improve the atress degree of consistency of compression roller 15 and the correction effect of compression roller 15 to the inflation pipe, be convenient for.

In this embodiment, the length of the clamp 7 may be 140cm, the length of the metal tube 17 to be processed is 200cm, the distance between the two ends of the metal tube 17 extending out of the clamp 7 is not less than 20cm, and the length error between the two ends of the metal tube 17 extending out of the clamp 7 is not more than 10 cm.

The transmission device comprises a guide shaft 38 and a belt 30, the guide shaft 38 is installed on the inner side surface of the shell 14 through a support 39, the guide shaft 38 comprises a first guide shaft 29 and a second guide shaft 28, the first guide shaft 29 is arranged between two adjacent press rollers 15 and deviates to the outer side of the shell 14, two second guide shafts 28 are arranged between two adjacent press rollers 15 at the upper end of the shell 14, the gap between the second guide shafts 28 is more than twice of the thickness of the belt 30, the belt 30 is convenient to install and place, driven wheels 31 are arranged on the left side and the right side of the shell 14, the driven wheels 31 are installed on the inner side surface of the shell 14, a driving wheel 32 is arranged at the lower end of the shell 14, the driving wheel 32 is driven by a driving motor, the belt 30 firstly penetrates through the second guide shafts 28, then penetrates through the gap between the first guide shaft 29 and the press rollers 15, then penetrates out of the second guide shafts 28 and then penetrates through the outer side of the driven wheels, the belt 30 is prevented from being worn and is finally sleeved on the driving wheel 32, so that the driving motor drives the belt 30 to drive the guide shaft 38 and the compression roller 15 to rotate simultaneously.

In another implementation, the transmission device comprises a large gear 33 and a servo motor shared by the compression rollers 15, the large gear 33 is sleeved on the outer rings of all the compression rollers 15 and is in gear connection with the compression rollers 15, a driving motor is arranged in the shell 14 and is fixed on the inner wall of the shell 14 through a bolt, a driving wheel 32 is arranged on the driving motor, the driving wheel 32 is connected with the large gear 33, preferably, the shaft diameters of the driving wheel 32 and the compression rollers 15 are the same, the rotation speed of the compression rollers 15 can be conveniently monitored, and the rotation speed of the driving motor can be conveniently adjusted according to the processing. Be equipped with gear groove 35 on the compression roller 15, be equipped with the gear that matches with gear wheel 33 in the gear groove 35, with the gear setting on the compression roller 15 in gear groove 35, reduce the influence of gear to pressing from both sides the chamber, be convenient for simultaneously reduce the wearing and tearing to the gear, be convenient for improve the life of gear. Preferably, the maximum distance that the movable rod 22 extends is less than the meshing depth between the compression roller 15 and the large gear 33, so that the compression roller 15 is prevented from being disengaged from the large gear 33, and the connection stability between the compression roller 15 and the large gear 33 is improved.

When the workpiece is positioned in the cavity, the transmission device is started, the driving motor drives the belt 30 or the gear to move, the pressing roller 15 rotates to drive the workpiece in the clamping cavity to rotate, the surface of the workpiece can be polished while the pressing roller 15 rotates, and rust, dust and the like on the workpiece are removed. Meanwhile, a gap exists between the press rolls 15, and rust dust can be discharged.

The compression roller 15 has the functions of polishing the workpiece and detecting and correcting the workpiece, if the bending radian of a certain part of the workpiece is too large, the workpiece cannot extend into the clamp 7, the workpiece and the compression roller 15 rotate simultaneously, the bending degree of the workpiece is judged according to the size of a gap between the end pipe compression roller 15 of the clamp 7 and the workpiece, and the larger the gap is, the larger the bending degree is, so that the detected bending degree of the workpiece is realized; the workpiece is extruded by the locking device in the rotating process, so that the gap between the workpiece and the compression roller 15 is gradually reduced until the workpiece is completely attached to the compression roller 15, and the bending correction of the workpiece is completed at the moment, so that the correction effect is achieved, the workpiece is enabled to rotate on the same central axis all the time, the processing precision of the two end parts of the workpiece is improved conveniently, and the processing precision is kept consistent.

The implementation method of the embodiment comprises the following steps: step one, starting a servo motor, adjusting the distance between the second frame 4 and the second frame to be proper so as to conveniently place a workpiece into the clamp 7, and then closing the servo motor;

secondly, a workpiece extends into the clamp 7 from one end and extends out from the other end, and the extending lengths of the workpieces at the two ends of the clamp 7 are adjusted, so that the length error of the extending lengths of the workpieces does not exceed 10 cm;

thirdly, starting a servo motor, adjusting the distance between the second frame 4 and the second frame to enable the second frame 4 and a processing device 9 on the second frame to contact with the workpiece, and turning off the servo motor, wherein the specific selection of the processing device 9 is selected according to the type of the workpiece to be processed;

fourthly, starting a driving motor to rotate the compression roller 15, and polishing, detecting and correcting the surface of the workpiece;

fifthly, starting the processing device 9 to process two ends of the workpiece simultaneously; after the machining is finished, the machining device 9 is closed;

and sixthly, closing the driving motor, starting the servo motor to enable the distance between the second frame 4 and the second frame to be far, closing the servo motor, taking out the workpiece, and finishing machining.

Claims (9)

1. The utility model provides a tubular metal resonator bi-polar machine tool is equipped with the frame on the lathe, and the both ends of frame are equipped with processingequipment, and the frame middle part is equipped with anchor clamps, and the tubular metal resonator is located anchor clamps, its characterized in that: the clamp comprises a shell, fixing discs are arranged at two ends of the shell, a compression roller is connected between the fixing discs, and the compression roller is arranged around the circumferential axis direction of the clamp.

2. A machine tool for machining both ends of a metal pipe according to claim 1, wherein: the two ends of the metal pipe extend out of the clamp, and the machining device simultaneously machines the two ends of the metal pipe.

3. A machine tool for machining both ends of a metal pipe according to claim 1, wherein: the fixed disk comprises an outer disk and an inner disk, the outer disk is connected with the shell, and the inner side of the inner disk is connected with a press roller in a shaft mode.

4. A machine tool for machining both ends of a metal pipe according to claim 3, wherein: a buffer device is arranged between the fixed disc and the compression roller, and an elastic part is arranged in the buffer device; and a transmission device for transmitting the compression roller to rotate is also arranged in the shell.

5. A machine tool for machining both ends of a metal pipe according to claim 1, wherein: the frame is equipped with processingequipment including being located the frame both ends, the relative frame that sets up on the frame.

6. The double-ended machine tool for machining metal tubes as claimed in claim 5, wherein: the frame is a regular polygon frame, and the two frames are connected together through a screw rod.

7. The double-ended machine tool for machining metal tubes as claimed in claim 6, wherein: and the frame is provided with a driving wheel matched with the thread on the screw rod, and the driving wheel is driven by a synchronous motor.

8. The double-ended machine tool for machining metal tubes as claimed in claim 6, wherein: and reinforcing rods are arranged between the screw rods positioned in the same vertical direction.

9. The double-ended machine tool for machining metal tubes as claimed in claim 5, wherein: the frame is provided with a guide rail below, the frame slides on the guide rail, the guide rail is installed on a machine tool, and the machine tool is further provided with a heating device.

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