CN210173095U - Double-end chamfering machine capable of continuously and simultaneously machining multiple pipe fittings and feeding mechanism thereof - Google Patents

Abstract

A double-end chamfering machine capable of continuously and simultaneously processing a plurality of pipe fittings and a feeding mechanism thereof are provided. The feeding mechanism comprises a pair of feeding units and a pair of feeding units. Each feeding unit is provided with a plurality of feeding tracks. Each feeding unit comprises a translation plate and a lifting plate. The translation plate is used for carrying the pipe pieces released by the feeding track, and the translation plate can move between a starting position and a preparation position. The lifting plate is provided with a plurality of mounting grooves for a plurality of lower clamps to be arranged, the lifting plate can move between a lifting position and a descending position relative to the translation plate, and when the lifting plate is at the lifting position, the lower clamps and the upper clamps are oppositely combined to clamp the pipe fittings, so that the pipe fittings can be continuously fed and simultaneously processed.

Description

Double-end chamfering machine capable of continuously and simultaneously machining multiple pipe fittings and feeding mechanism thereof

Technical Field

The utility model relates to a metalworking's lathe especially relates to a double-end beveler that can process several pipe fittings simultaneously in succession and feeding mechanism thereof.

Background

As shown in fig. 1, a conventional double-head chamfering machine includes a machine table 10, a pair of feeding guide rails 11 installed on the machine table 10, and a pair of work tables 12. The feeding guide rail 11 is used for feeding the pipes 13 to the pair of work tables 12 one by one. The pair of work tables 12 is used for clamping the head end and the tail end of one of the pipe fittings 13 and chamfering the two ends of the pipe fitting 13.

Although the double-head chamfering machine has the use characteristics, the production capacity cannot be effectively improved and the improvement space is still provided because only one pipe fitting 13 can be machined each time.

Disclosure of Invention

An object of the utility model is to provide a can improve productivity and feeding mechanism of pay-off in succession.

The utility model discloses a feeding mechanism is applicable to and installs the double-end beveler that can process several pipe fittings simultaneously in succession, double-end beveler has a pair of centre gripping that is used for the clamp unit of several said pipe fittings, each clamp unit have quantity with several the number that pipe fitting quantity equals clamp and number respectively be used for with go up the lower clamp that clamp closed.

The feeding mechanism comprises a pair of feeding units, a pair of feeding units and a transmission driving unit. The pair of feeding units are arranged at intervals along the left and right directions and respectively correspond to the pair of clamping units, the pair of feeding units are suitable for enabling the pipe fittings to stretch across and be placed, and each feeding unit is provided with a plurality of feeding rails which are equal to the plurality of pipe fittings in number and are used for storing and releasing the plurality of pipe fittings. The pair of feeding units are arranged at intervals in the left-right direction and correspond to the pair of feeding units, and each feeding unit comprises a translation plate, a lifting plate and a lifting driving piece. The translation plate is positioned below the upper clamp of the corresponding feeding unit and the corresponding clamp unit in the vertical direction, the translation plate is used for sequentially carrying the pipe fittings released by the feeding tracks of the respective feeding units, the translation plate extends along the front-back direction and is provided with a plurality of material receiving grooves and a plurality of first bearing grooves which are arranged at intervals in the front-back direction, the translation plates are movable between a starting position and a preparation position with respect to the respective feed unit, when the translation plate is at the initial position, the material receiving grooves are aligned with the feeding tracks of the respective material inlet units, the first bearing grooves are aligned with the upper clamps of the respective clamp units, when the translation plate is in the ready position, the receiving slot is aligned with the upper clamp of the respective clamp unit, and the first carrying slot is away from the upper clamp of the respective clamp unit. The lifting plate extends along the front-rear direction and is spaced apart from the translation plate in the left-right direction, the lifting plate is provided with a plurality of mounting grooves and a plurality of third bearing grooves which are arranged at intervals in the front-back direction, said mounting slots being aligned with said upper jaws of the respective gripper units and being adapted for the arrangement of said lower jaws of the respective gripper units, said lifting plate being movable with respect to said translating plate between a raised position and a lowered position, when the lifting plate is at the lifting position, the mounting groove and the third bearing groove are higher than the material receiving groove and the first bearing groove, and each lower clamp and the corresponding upper clamp are mutually matched and are suitable for clamping one of the pipe fittings, when the lifting plate is at the descending position, the mounting groove and the third bearing groove are lower than the material receiving groove and the first bearing groove, and each lower clamp is far away from the corresponding upper clamp. The lifting driving piece is used for driving the lifting plate to move.

The transmission driving unit is used for driving the translation plates of the feeding units to move synchronously.

The utility model discloses a feeding mechanism, transmission drive unit include two connect respectively in just be used for driving feeding unit back driving piece before the translation board to feeding unit removes.

The utility model discloses a feeding mechanism, transmission drive unit including connect in to the transfer line of feeding unit, and be used for driving the transfer line is linked back driving piece before the translation board synchronous movement to feeding unit.

In the feeding mechanism of the utility model, each feeding unit also comprises a fixed plate which is separated from the respective translation plate, and a connecting rod group which is pivotally connected with the fixed plate and the respective translation plate, the front driving piece and the rear driving piece of the transmission driving unit are arranged on a fixing plate of one of the feeding units, the transmission driving unit also comprises a sliding block which is connected with the front and rear driving pieces and is driven by the front and rear driving pieces to move back and forth relative to the fixed plate, and a rotating piece which is rotatably jointed with the sliding block, the transmission rod is fixedly arranged on the rotating piece, two ends of the transmission rod are respectively fixed on the connecting rod group of the feeding units, the front and rear driving pieces can drive the sliding block to move and drive the rotating pieces to rotate so as to drive the transmission rod to rotate around the axis of the transmission rod, so that the connecting rod group is linked to swing in a pivot mode to synchronously drive the translation plates of the feeding units to move.

The utility model discloses a feeding mechanism, transmission drive unit's slider has the edge the row's tooth that the fore-and-aft direction extends, it has the full periphery around and is used for the interlock to rotate the gear of row's tooth, feeding unit's fixed plate has the edge the fore-and-aft direction extends and is used for supplying the slide rail that the slider can set up with sliding.

The utility model discloses a feeding mechanism, each feeding unit's translation board still have quantity with the number second bearing groove that the quantity of several said pipe fittings equals, the second bearing groove with connect the silo with first bearing groove is the reverse setting in center, and each feeding unit's lifter plate still has the ejection of compact inclined plane that is close to respective third bearing groove and keeps away from respective mounting groove, ejection of compact inclined plane just slopes down forward, works as the lifter plate is in during the decline position, ejection of compact inclined plane is less than the tank bottom surface of second bearing groove, works as the lifter plate is in during the rising position, ejection of compact inclined plane is higher than the tank bottom surface of second bearing groove.

The utility model discloses a feeding mechanism, each pan feeding unit include the pan feeding seat and can for the fender material group that the pan feeding seat removed, each pan feeding unit the pay-off track is formed in respective pan feeding seat, keep off the material group have the mounting panel, count the interval set up in the mounting panel just can stretch into respectively in respective pay-off track fender piece, and connect in the mounting panel just is used for driving the mounting panel interlock keeps off the impeller that the piece removed.

The utility model discloses a feeding mechanism, the fender material group of each pan feeding unit still has two double-phase opposite sides that are located respective impeller respectively and telescopically connects in the guide arm of the mounting panel that corresponds.

Another object of the present invention is to provide a double-head chamfering machine capable of continuously and simultaneously processing a plurality of pipe fittings with improved productivity.

The utility model discloses a double-end beveler that can process several pipe fittings simultaneously in succession contains aforementioned feeding mechanism, frame unit, a pair of clamp unit and a pair of processing unit.

The frame unit includes the frame the fore-and-aft direction looks interval just follows two slide rails that the left right direction extends, and follows the left right direction interval set up in the frame supplies two workstations that feeding mechanism set up, and at least one workstation can set up in with sliding in the slide rail. The pair of clamp units correspond to each other and are arranged on the workbench, each clamp unit is provided with upper clamps and lower clamps, the number of the upper clamps is equal to the number of the plurality of pipes, the upper clamps are arranged at intervals, the number of the lower clamps is used for being matched with the upper clamps, and the lower clamps correspond to the mounting grooves of the lifting plates of the corresponding feeding units respectively and are arranged on the corresponding mounting grooves. The pair of processing units respectively correspond to and are arranged on the workbench, and each processing unit comprises a plurality of cutting cutter discs which are arranged at intervals and respectively correspond to the upper clamp of the clamp unit, and at least one cutting driver for driving the cutting cutter discs to rotate.

The utility model discloses a double-end beveler that can process several pipe fittings simultaneously in succession, each clamp unit has two go up clamp and two clamp down, each processing unit includes two the cutting blade disc just is used for simultaneous processing two the pipe fitting, the cutting driver of each processing unit have two branch do not connect in the pivot of cutting blade disc, be used for driving pivot pivoted motor, and encircle the pivot with the drive belt of the mandrel of motor.

The beneficial effects of the utility model reside in that: the utility model discloses a feeding mechanism can carry several simultaneously in succession the pipe fitting, and utilize the continuous while is several to the clamp unit the pipe fitting carries out the double-end chamfer, consequently, can improve the productivity by a wide margin.

Drawings

Other features and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments with reference to the accompanying drawings, in which:

fig. 1 is a plan view of a conventional double-headed chamfering machine;

FIG. 2 is a perspective view of an embodiment of the double-ended chamfering machine of the present invention capable of continuously and simultaneously processing a plurality of pipes;

FIG. 3 is a fragmentary, partially exploded perspective view of the embodiment;

FIG. 4 is a fragmentary perspective view of the embodiment from another angle;

FIG. 5 is a fragmentary, partially exploded perspective view of the embodiment;

fig. 6 is a modification of a transmission drive unit of a feeding mechanism of the embodiment;

fig. 7 to 13 are schematic operation views of the feeding mechanism of the embodiment; and

FIG. 14 is a view similar to FIG. 7, illustrating a variation of the present embodiment and used to simultaneously machine three tubes.

Detailed Description

Before the present invention is described in detail, it should be noted that in the following description, the front-rear direction X, the left-right direction Y, and the up-down direction Z are referred to as the orientation shown in fig. 2.

Referring to fig. 2 to 3, the utility model discloses but an embodiment of the double-end beveler of continuous simultaneous processing several pipe fittings is applicable to the continuous pay-off and carries out the double-end chamfer to several pipe fittings 9 simultaneously, but the double-end beveler of continuous simultaneous processing several pipe fittings contains a frame unit 2, a pair of clamp unit 3, a pair of processing unit 4, and a feeding mechanism 500. In the following description, the pipe member 9 is exemplified by a hollow circular pipe, and two pipe members 9 are simultaneously processed each time. The pair of clamp units 3 is used for clamping the head and tail ends of the pipe fitting 9, and the pair of processing units 4 is used for chamfering the head and tail ends of the pipe fitting 9.

The base unit 2 includes a base 21, front and back direction X looks interval just follows two slide rails 22 that left right direction Y extends, and follows left right direction Y interval set up in two workstations 23 of base 21, workstation 23 can set up in with sliding in slide rail 22 and can adjust the distance between workstation 23, consequently, can process different length the pipe fitting 9. However, in other variations, only one of the working tables 23 may be slidably disposed on the slide rail 22, and the other working table 23 is fixed to the machine base 21, or the distance between the working tables 23 may be adjusted to process the pipes 9 with different lengths.

The pair of clamp units 3 correspond to each other and are disposed on the table 23, and the pair of clamp units 3 are opposed to each other at an interval in the left-right direction Y. Each gripping unit 3 and the respective work table 23 delimit a processing space 20 for processing the tube 9. Each gripper unit 3 has two spaced-apart upper grippers 31, it being noted that the number of said upper grippers 31 is equal to the number of said tubes 9 to be simultaneously processed.

The pair of processing units 4 respectively correspond to and are disposed on the worktable 23, each processing unit 4 includes two cutting cutter discs 41 which are spaced apart and respectively correspond to the upper clamp 31 of the respective clamp unit 3, and a cutting driver 42 for driving the cutting cutter discs 41 to rotate. The cutting disks 41 are located in the respective machining spaces 20 and each serve to chamfer the pipe elements 9. Preferably, the cutting driver 42 of each processing unit 4 has two rotating shafts 421 respectively coupled to the cutting cutter head 41, a motor 422 for driving the rotating shafts 421 to rotate, and a transmission belt 423 surrounding the rotating shafts 421 and a spindle of the motor 422, in this embodiment, one motor 422 is used to drive two rotating shafts 421 to rotate simultaneously, which not only ensures the rotating shafts 421 to rotate synchronously, but also saves the manufacturing cost of the device and the installation space. However, in other variations, each cutting driver 42 can also use two motors 422 to respectively drive two rotating shafts 421 to rotate, and also has the same function of driving the cutting cutter disc 41 to rotate for chamfering.

Referring to fig. 2 to 4, the feeding mechanism 500 includes a pair of feeding units 6, a pair of feeding units 7, and a driving unit 8.

The feeding unit 6 is arranged at intervals along the left-right direction Y and corresponds to the clamp unit 3. Each feeding unit 6 comprises a feeding seat 61 and a material blocking set 62 capable of moving relative to the feeding seat 61, the feeding seat 61 has two spaced feeding tracks 611 for storing and sequentially releasing a plurality of tubes 9, thereby each tube 9 is placed across the feeding tracks 611 of the feeding units 6. The material blocking group 62 of each material feeding unit 6 has a mounting plate 621, two blocking members 622 disposed at intervals on the mounting plate 621 and respectively extending into the respective feeding tracks 611, a pushing member 623 opposite to the blocking members 622 and connected to the mounting plate 621 for driving the mounting plate 621 to move, and two guide rods 624 respectively located on two opposite sides of the pushing member 623 and telescopically connected to the mounting plate 621, wherein the blocking members 622 can be more stable and do not swing during the moving process by the guide rods 624. In this embodiment, the pushing member 623 is a pressure cylinder, and when the pushing member 623 extends, the pushing member 623 can drive the stopper 622 to move into the feeding track 611 to stop the pipe 9. When the pushing member 623 is shortened, the blocking member 622 can be linked to exit the feeding track 611 to release the pipe fittings 9, so that the two pipe fittings 9 can be automatically and simultaneously fed, and the feeding is continuous.

Referring to fig. 2 to 5, the feeding units 7 are arranged at intervals along the left-right direction Y and respectively correspond to the feeding units 6. The pair of feeding units 7 is adapted for the cross-over placement of the pipe 9. Each feeding unit 7 includes a fixed plate 71, a translation plate 72, a link set 73, a lifting plate 74, and a lifting driving member 75. The fixing plate 71 is disposed on the table 23 of the base unit 2, and the fixing plate 71 has a slide rail 711 formed on a left plate surface and extending in the front-rear direction X, and a guide rail 712 formed on a right plate surface and extending in the front-rear direction X. The translation plate 72 is located below the upper clamp 31 of the corresponding feeding unit 6 and the corresponding clamp unit 3, and the translation plate 72 is slidably disposed on the guide rail 712 of the fixed plate 71 by using two sliders. The translation plate 72 extends along the front-back direction X and has two material receiving slots 721, two first bearing slots 722 and two second bearing slots 723 which are arranged at intervals in the front-back direction X, and the second bearing slots 723 and the material receiving slots 721 are arranged in opposite directions with the first bearing slots 722 as centers. The receiving slot 721 is used to sequentially carry the tubes 9 released from the feeding rails 611 of the respective feeding units 6. Preferably, the receiving slot 721 is substantially semicircular, and the first bearing slot 722 and the second bearing slot 723 are substantially V-shaped. The linkage 73 is pivotally connected to the fixed plate 71 and the translating plate 72, and the linkage 73 has a first link 731 pivotally connected to the fixed plate 71 and a second link 732 pivotally connected to the first link 731 and the translating plate 72.

The lifting plates 74 of each feeding unit 7 are disposed opposite to the respective translation plates 72 on the left and right opposite sides of the respective fixed plate 71. Each of the lift plates 74 extends in the front-rear direction X and is slidably provided to the respective table 23 in the up-down direction Z. Each of the lifting plates 74 has two mounting grooves 741 and two third carrying grooves 742 disposed at intervals in the front-back direction X, and a discharging inclined plane 743 adjacent to the third carrying grooves 742 and far away from the mounting grooves 741. The mounting grooves 741 are substantially semicircular and align the upper clamp 31 of the respective clamp unit 3 with the first bearing groove 722 of the respective translation plate 72. It is noted that each gripper unit 3 further has two lower grippers 32 disposed in the mounting groove 741 and respectively aligned with the upper grippers 31 to grip the tubular 9. The third bearing grooves 742 are substantially V-shaped and aligned with the second bearing grooves 723 of the respective translating plate 72. The discharging slope 743 extends obliquely forward and downward.

The lifting driving member 75 of each feeding unit 7 is fixed to the lower end of the respective fixing plate 71 and is used for driving the respective lifting plate 74 to move along the up-down direction Z, in the embodiment, the lifting driving member 75 is a hydraulic cylinder, but in other variations, the lifting driving member 75 can also be a screw, a sliding table, or an equivalent component capable of moving.

The transmission driving unit 8 is used for linking the translation plates 72 of the pair of feeding units 7 to synchronously move back and forth. The transmission driving unit 8 includes a front and rear driving member 81 disposed on the fixed plate 71 of one of the feeding units 7, a sliding block 82 connected to the front and rear driving member 81 and slidably disposed on the sliding rail 711 of the fixed plate 71 of one of the feeding units 7, a rotating member 83 rotatably coupled to the sliding block 82, and a transmission rod 84 fixed to the rotating member 83 and passing through the first connecting rod 731 of one of the feeding units 7. The front and rear driving member 81 is a kind of a cylinder. The slider 82 has a row of teeth 821 extending in the front-rear direction X. The rotating member 83 has a gear 831 surrounding the entire circumference and engaging the row of teeth 821. The cross section of the transmission rod 84 is designed to be non-circular, so that both ends thereof can be respectively fixed to the first link 731 of one of the feeding units 7 and the first link 731 of the other feeding unit 7. The sliding block 82 can be driven to move back and forth relative to the fixed plate 71 by extending or shortening the front and rear driving member 81 so as to link the rotating member 83 to rotate and enable the transmission rod 84 to rotate around the axis of the transmission rod, so as to link the linkage groups 73 of the pair of feeding units 7 to synchronously pivot and swing, and thus the effect of enabling the translation plates 72 of the pair of feeding units 7 to synchronously move back and forth is achieved.

It should be noted that, in the present embodiment, the front and rear driving members 81 with small volume and short stroke can be adopted by the configuration of the linkage 73, so as to reduce the overall volume of the present embodiment, but in other variations, the respective linkage 73 can be omitted from each feeding unit 7, the transmission driving unit 8 can be changed to the transmission rod 84' connected to the translation plates 72 of the pair of feeding units 7 and the front and rear driving members 81' connected to the center of the transmission rod 84' and capable of driving the translation plates 72 of the pair of feeding units 7 to synchronously move as shown in fig. 6, and a slidable slide rail is installed on the bottom surface of each translation plate 72 to reduce the moving friction, so as to achieve the same effect of synchronously moving the translation plates 72 of the pair of feeding units 7.

Referring to fig. 7 and 8, the translation plate 72 of each feeding unit 7 is movable along the front-to-back direction X between a start position and a ready position with respect to the respective feeding unit 6. Next, taking a single feeding unit 7 as an illustration, as shown in fig. 7, when the translation plate 72 is at the initial position, the material receiving slots 721 are respectively aligned with the feeding tracks 611 of the respective feeding units 6, and the first carrying slots 722 are respectively aligned with the upper clamps 31 of the respective clamp units 3. As shown in fig. 8, when the translation plate 72 is in the preparation position, the material receiving slots 721 are respectively aligned with the upper clamps 31 of the respective clamp units 3, and the first carrying slots 722 are away from the upper clamps 31 of the respective clamp units 3.

Referring to fig. 8 and 9, the lifting plate 74 of each feeding unit 7 is movable between a raised position and a lowered position with respect to the respective translation plate 72. Next, taking a single feeding unit 7 as an illustration, as shown in fig. 9, when the lifting plate 74 is located at the raised position, the mounting groove 741 and the third carrying groove 742 are higher than the receiving groove 721 and the first carrying groove 722, each lower clamp 32 and the corresponding upper clamp 31 are mutually aligned and adapted to clamp one of the pipes 9, and the discharging inclined plane 743 is higher than the bottom surface of the second carrying groove 723. As shown in fig. 8, when the lifting plate 74 is located at the descending position, the installation groove 741 and the third bearing groove 742 are lower than the material receiving groove 721 and the first bearing groove 722, the lower clamp 32 is far away from the corresponding upper clamp 31, and the discharging inclined surface 743 is lower than the groove bottom surface of the second bearing groove 723.

In use, referring to the operation diagrams shown in fig. 7 to 13, when the double-head chamfering operation is performed on the pipe 9, as shown in fig. 7, when the translation plate 72 of the feeding unit 7 is located at the initial position and the lifting plate 74 of the feeding unit 7 is located at the lowered position, the stopper 622 of the feeding unit 6 is controlled to exit the feeding track 611, so that each feeding track 611 releases one pipe 9 to the receiving slot 721 of the corresponding translation plate 72 at a time. Next, as shown in fig. 8, the transmission drive unit 8 (see fig. 4) is controlled to move the translation plate 72 of the pair of feed units 7 from the start position to the standby position. Then, as shown in fig. 9, the lifting drive 75 of the feeding unit 7 is controlled to move the lifting plate 74 of the feeding unit 7 from the lowered position to the raised position, and the lower clamp 32 contacts the two pipe fittings 9 and drives the two pipe fittings 9 to contact the upper clamp 31 to be clamped by the two pipe fittings 9 and perform chamfering operation, and while the cutting cutter disc 41 (see fig. 8) chamfers the two pipe fittings 9, the translation plate 72 of the feeding unit 7 moves back to the initial position from the preparation position, as shown in fig. 10, each feeding track 611 releases one pipe fitting 9 to the receiving slot 721 of the corresponding translation plate 72 again. After the chamfering operation is completed, as shown in fig. 11, the lifting plate 74 of the pair of feeding units 7 moves from the raised position back to the lowered position, so that the two chamfered pipes 9 are released from the lower tongs 32 and are placed on the first carrying groove 722. When the feeding is continued until the translation plate 72 of the feeding unit 7 is full as shown in fig. 12, then, as shown in fig. 13, the lifting plate 74 of the feeding unit 7 is moved from the lowered position to the raised position, at this time, the two chamfered pipes 9 located in the second bearing groove 723 are pushed by the discharging inclined surface 743 of the lifting plate 74 of the feeding unit 7 to be separated from the second bearing groove 723, and roll down along the discharging inclined surface 743 to be automatically discharged. In this way, the utility model discloses can reach two at every turn the continuous automated production of pan feeding, pay-off, chamfer processing and the ejection of compact of pipe fitting 9 improves the productivity by a wide margin.

Referring to fig. 14, it is to be particularly noted that the present invention can simultaneously process three pipes 9 by changing the number of the upper clamp 31, the lower clamp 32, the feeding rail 611, the receiving groove 721, the first bearing groove 722, the second bearing groove 723, the mounting groove 741, and the third bearing groove 742 to three, and using three motors 422' as the cutting drivers 42. Similarly, by changing the number and position of the above-mentioned components, a greater number of the tubes 9 can be machined at the same time, and the same effect of continuous operation and increased productivity can be achieved.

To sum up, the utility model discloses but the double-end beveler of a number of pipe fittings of simultaneous processing in succession feeding mechanism 500 once can carry a number of simultaneously pipe fittings 9, and utilize to 3 pairs of clamp unit simultaneously pipe fittings 9 carry out the double-end chamfer, and the feeding mechanism 500 of this embodiment can also transport a number of pipe fittings 9 in succession and automatic discharging, improves the productivity by a wide margin, so can reach the purpose of the utility model with the cost really.

The above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still within the scope of the present invention.

Claims (10)

1. A feeding mechanism adapted to be installed in a double-head chamfering machine capable of continuously and simultaneously processing a plurality of pipes, the double-head chamfering machine having a pair of gripper units for gripping the plurality of pipes, each gripper unit having a plurality of upper grippers equal in number to the plurality of pipes and a plurality of lower grippers for being engaged with the upper grippers, respectively, characterized in that: the feeding mechanism comprises:

a pair of feeding units which are arranged at intervals along the left and right directions and respectively correspond to the clamp units, the feeding units are suitable for the crossing placement of the pipe fittings, and each feeding unit is provided with a plurality of feeding tracks which are equal to the number of the plurality of pipe fittings and are used for storing and releasing the plurality of pipe fittings;

a pair of feeding unit, follow left and right side direction interval sets up and correspond to the pan feeding unit, each feeding unit includes:

the translation plate is positioned below the upper clamp of the corresponding feeding unit and the corresponding clamp unit in the vertical direction, the translation plate is used for sequentially carrying the pipe fittings released by the feeding tracks of the respective feeding units, the translation plate extends along the front-back direction and is provided with a plurality of material receiving grooves and a plurality of first bearing grooves which are arranged at intervals in the front-back direction, the translation plates are movable between a starting position and a preparation position with respect to the respective feed unit, when the translation plate is at the initial position, the material receiving grooves are aligned with the feeding tracks of the respective material inlet units, the first bearing grooves are aligned with the upper clamps of the respective clamp units, when the translation plate is in the ready position, the receiving slot is aligned with the upper clamp of the respective clamp unit, and the first carrying slot is away from the upper clamp of the respective clamp unit;

a lifting plate extending in the front-rear direction and spaced apart from the translation plate in the left-right direction, the lifting plate is provided with a plurality of mounting grooves and a plurality of third bearing grooves which are arranged at intervals in the front-back direction, said mounting slots being aligned with said upper jaws of the respective gripper units and being adapted for the arrangement of said lower jaws of the respective gripper units, said lifting plate being movable with respect to said translating plate between a raised position and a lowered position, when the lifting plate is at the lifting position, the mounting groove and the third bearing groove are higher than the material receiving groove and the first bearing groove, and each lower clamp and the corresponding upper clamp are mutually matched and are suitable for clamping one of the pipe fittings, when the lifting plate is at the descending position, the mounting groove and the third bearing groove are lower than the material receiving groove and the first bearing groove, and each lower clamp is far away from the corresponding upper clamp; and

the lifting driving piece is used for driving the lifting plate to move; and

and the transmission driving unit is used for linking the translation plate of the feeding unit to move synchronously.

2. The feed mechanism of claim 1, wherein: the transmission driving unit comprises two front and rear driving pieces which are respectively connected with the feeding unit and used for driving the translation plate of the feeding unit to move.

3. The feed mechanism of claim 1, wherein: the transmission driving unit comprises a transmission rod connected to the feeding unit and a front driving part and a rear driving part which are used for driving the transmission rod to drive the translation plate of the feeding unit to synchronously move.

4. The feed mechanism of claim 3, wherein: each feeding unit further comprises a fixed plate spaced from the corresponding translation plate, a connecting rod group pivotally connected to the fixed plate and the corresponding translation plate, a front driving piece and a rear driving piece of the transmission driving unit are arranged on one fixed plate of the feeding unit, the transmission driving unit further comprises a sliding block connected to the front driving piece and the rear driving piece and driven by the front driving piece and the rear driving piece to move back and forth relative to the fixed plate, and a rotating piece rotatably connected to the sliding block, the transmission rod is fixedly arranged on the rotating piece, two ends of the transmission rod are respectively fixed on the connecting rod group of the feeding unit, the front driving piece and the rear driving piece can drive the sliding block to move and drive the rotating piece to rotate to drive the transmission rod to rotate around the axis of the transmission rod, so that the connecting rod group is.

5. The feed mechanism of claim 4, wherein: the sliding block of the transmission driving unit is provided with a row of teeth extending along the front-back direction, the rotating piece is provided with a gear which surrounds the whole circumference and is used for meshing the row of teeth, and the fixed plate of the feeding unit is provided with a sliding rail which extends along the front-back direction and is used for the sliding block to be arranged in a sliding manner.

6. The feed mechanism of claim 1, wherein: the translation board of each feeding unit still has quantity and several second bearing groove that the quantity of several said pipe fittings equals, the second bearing groove with connect the silo with first bearing groove is reverse setting as the center, and each feeding unit's lifter plate still has the ejection of compact inclined plane that is close to respective third bearing groove and keeps away from respective mounting groove, ejection of compact inclined plane forward and downward slope, works as the lifter plate is in during the decline position, ejection of compact inclined plane is less than the tank bottom surface of second bearing groove, works as the lifter plate is in during the rising position, ejection of compact inclined plane is higher than the tank bottom surface of second bearing groove.

7. The feed mechanism of claim 1, wherein: each feeding unit comprises a feeding seat and a material blocking group capable of moving relative to the feeding seat, the feeding track of each feeding unit is formed on the feeding seat, and the material blocking group comprises a mounting plate, a plurality of blocking pieces arranged on the mounting plate at intervals and capable of extending into the feeding tracks respectively, and a pushing piece connected to the mounting plate and used for driving the mounting plate to drive the blocking pieces to move.

8. The feed mechanism of claim 7, wherein: the material blocking group of each feeding unit is also provided with two guide rods which are respectively positioned at two opposite sides of the respective pushing piece and are telescopically connected with the corresponding mounting plate.

9. The utility model provides a can be in succession while processing double-end beveler of several pipe fittings which characterized in that: comprises the following steps:

the feed mechanism of any one of claims 1 to 8;

the machine base unit comprises a machine base, two sliding rails which are spaced in the front-back direction and extend in the left-right direction, and two working tables which are arranged on the machine base at intervals in the left-right direction and are used for the feeding mechanism to be arranged, wherein at least one working table is arranged on the sliding rails in a sliding manner;

the pair of clamp units correspond to each other and are arranged on the workbench, each clamp unit is provided with a plurality of upper clamps which are arranged at intervals and the number of the upper clamps is equal to that of the plurality of pipe fittings, and a plurality of lower clamps which are used for involution with the upper clamps respectively, and the lower clamps correspond to the mounting grooves of the lifting plates of the corresponding feeding units respectively and are arranged in the mounting grooves; and

and each processing unit comprises a plurality of cutting cutter discs which are arranged at intervals and respectively correspond to the upper clamp of the clamp unit, and at least one cutting driver for driving the cutting cutter discs to rotate.

10. The double-headed chamfering machine according to claim 9, wherein: each clamp unit is provided with two upper clamps and two lower clamps, each processing unit comprises two cutting cutter discs and is used for simultaneously processing two pipe fittings, and a cutting driver of each processing unit is provided with two rotating shafts which are respectively connected with the cutting cutter discs in a shaft-coupling mode, a motor used for driving the rotating shafts to rotate, and a transmission belt which surrounds the rotating shafts and a mandrel of the motor.

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