CN116159930A

CN116159930A - Multi-station pier head bending all-in-one machine for automotive pipe fitting

Info

Publication number: CN116159930A
Application number: CN202310459912.4A
Authority: CN
Inventors: 马芝国; 张国明; 赵军民
Original assignee: Suzhou Zhongjie Automobile Parts Co ltd
Current assignee: Suzhou Zhongjie Automobile Parts Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-05-26
Anticipated expiration: 2043-04-26
Also published as: CN116159930B

Abstract

The invention relates to the technical field of pipe fitting processing equipment and discloses a multi-station pier head bending all-in-one machine for automotive pipe fittings. According to the invention, the fixing clamping die and the movable clamping die which are bent are provided with the sliding blocks, the fixing flanges and the movable flanges are arranged on the sliding blocks, the positioning of the convex blocks on the pipe fitting can be realized by utilizing the fixing flanges and the movable flanges, the bending precision of the pipe fitting is ensured, and meanwhile, the distance between the fixing flanges and the movable flanges on the sliding blocks can be adjusted by utilizing the movement of the sliding blocks, so that the thickness and the number of the convex blocks on the pipe fitting with different specifications are adapted, the applicability of the clamping die is improved, the clamping die is not required to be frequently replaced, the bending time occupied by the clamping die is saved, the integral bending processing efficiency of the pipe fitting is improved, and the economic cost generated by designing and manufacturing a plurality of groups of dies is saved.

Description

Multi-station pier head bending all-in-one machine for automotive pipe fitting

Technical Field

The invention relates to the technical field of pipe fitting processing equipment, in particular to a multi-station bending pier head integrated machine for a vehicle pipe fitting.

Background

The processing of the metal pipe fitting for part of the vehicle needs to carry out pier head processing through the pier head machine firstly, then the pipe after the pipe pier head processing is bent through the pipe bending machine, a fixed clamping die and a movable clamping die are arranged on the pipe bending machine, the pipe fitting is placed between the fixed clamping die and the movable clamping die, the movable clamping die is combined with the fixed clamping die after moving, after the pipe fitting is clamped, the movable clamping die and the fixed clamping die rotate together, bending of the pipe fitting is realized, and because the outer wall of the pipe fitting after the pipe pier head processing forms an annular convex block, besides a clamping groove matched with the pipe is formed in the movable clamping die and the fixed clamping die, a positioning groove matched with the convex block in shape is also formed in the pipe fitting, besides accommodating the convex block, the pipe fitting can be positioned, displacement is avoided in the bending process, and the accurate bending position is ensured.

However, in actual processing, because the mounting requirements of automobile pipe fittings are different, the thicknesses and the numbers of the protruding blocks generated after the different pipe fittings are processed by the pier nose machine are different, when the thicknesses and the numbers of the protruding blocks are different, if the locating grooves on the clamping die of the bending machine cannot be matched with the protruding blocks, the problem that the pipe fittings cannot be put into the clamping die or loose in the bending process is caused, and further the pipe fittings cannot be located, so that the bending processing of the pipe fittings is affected; in the prior art, the positioning of different pipe fittings is realized through designing a plurality of groups of clamping dies matched with the different pipe fittings in advance, the width of a positioning groove on the clamping dies is fixed, one clamping die can only be matched with one pipe fitting, the applicability is insufficient, the clamping dies need to be frequently replaced according to the different pipe fittings during processing, the bending production efficiency is influenced by the time occupied by replacing the clamping dies, and the higher die manufacturing cost can be generated by designing and producing the plurality of groups of clamping dies.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a multi-station pier head bending all-in-one machine for a vehicle pipe fitting, which has the advantages of strong applicability, economic cost saving and the like, and solves the problems of poor applicability and high cost of a fixed clamping die and a movable clamping die on the existing pipe bending machine.

In order to solve the technical problems, the invention provides the following technical scheme: the multi-station pier head bending all-in-one machine for the automotive pipe fitting comprises a pier head machine, a bending machine and a mechanical arm, wherein a movable seat is arranged at the end part of the bending machine, a fixed clamping die and a movable clamping die are arranged at the top of the movable seat, sliding grooves are formed in one sides, opposite to the fixed clamping die and the movable clamping die, of the movable seat, sliding blocks are connected inside the sliding grooves in a sliding manner, positioning grooves are formed in the surfaces of the sliding blocks, and fixed flanges and movable flanges are arranged in the positioning grooves and fixedly connected with the positioning grooves;

the inner wall of the positioning groove is provided with a driving groove, a driving rack is connected in a sliding manner in the driving groove, the driving rack is fixedly connected with the movable flange, and one end, close to the fixed flange, of the driving rack is connected with the inner wall of the driving groove through a first spring;

the driving groove is characterized in that a limiting hole is formed in the inner wall of the driving groove, a clamping block is arranged in the limiting hole, one end of the clamping block is clamped with the driving rack, a second spring is fixedly connected between the other end of the clamping block and the inner wall of the limiting hole, a groove is formed in the side face of the clamping block, and a first inclined plane is formed in the inner wall of the groove;

the clamping block is characterized in that a through hole is formed in the side face of the clamping block and is communicated with the limiting hole, a push rod is arranged in the through hole, one end of the push rod extends into the groove, one end of the push rod, far away from the groove, and one end, far away from the driving rack, of the driving rack, extend to two sides of the sliding block respectively, one end, located inside the groove, of the push rod is provided with a second inclined surface, the second inclined surface is mutually attached to the first inclined surface, one end, located outside the through hole, of the push rod is fixedly provided with an end head, and the end head is fixedly connected with the sliding block through a third spring.

Preferably, a guide groove is formed in the inner wall of the driving groove, and a guide block is fixed to the edge of the movable flange and is in sliding connection with the guide groove.

Preferably, the first mounting groove has been seted up to the activity clamp mould outer wall, be equipped with initiative drive assembly and initiative drive assembly on the activity clamp mould, initiative drive assembly includes the motor, motor and activity clamp mould fixed connection, motor output shaft fixedly connected with initiative worm, initiative worm is located first mounting groove, initiative worm both ends all with first mounting groove inner wall swing joint, square hole has been seted up to initiative worm one end of keeping away from the motor, be equipped with the connecting piece in the square hole.

Preferably, the driving transmission assembly comprises a driving screw rod, the driving screw rod penetrates through the sliding block and is in threaded connection with the sliding block, two ends of the driving screw rod are movably connected with the inner wall of the sliding groove, one end of the driving screw rod penetrates into the first mounting groove, one end of the driving screw rod, located inside the first mounting groove, is fixedly provided with a driving worm wheel, and the driving worm wheel is meshed with the driving worm.

Preferably, the connecting piece comprises a square rod, one end of the square rod is movably inserted into the square hole, one end of the square rod positioned in the square hole is fixedly connected with the inner wall of the square hole through a fourth spring, and one end of the square rod positioned outside the square hole is fixedly connected with the driving face gear.

Preferably, the second mounting groove has been seted up to the fixation clamp mould outer wall, be equipped with driven drive assembly and driven drive assembly on the fixation clamp mould, driven drive assembly includes driven worm, driven worm is located the second mounting groove, driven worm both ends all with second mounting groove inner wall swing joint, driven worm's axle center and the axle center collineation of driving worm, driven worm tip fixedly connected with driven face gear.

Preferably, the driven transmission assembly comprises a driven screw rod, the driven screw rod penetrates through the sliding block and is in threaded connection with the sliding block, two ends of the driven screw rod are movably connected with the inner wall of the sliding groove, one end of the driven screw rod penetrates through the second mounting groove, one end of the driven screw rod, located inside the second mounting groove, is fixedly provided with a driven worm wheel, and the driven worm wheel is meshed with the driven worm.

Preferably, a first accommodating groove is formed in one side, close to the fixed clamping die, of the movable clamping die, the first accommodating groove corresponds to the end portion of the driving worm, a second accommodating groove is formed in one side, close to the movable clamping die, of the fixed clamping die, and the driven face gear is located in the second accommodating groove.

Preferably, a first cover plate is arranged outside the first mounting groove and fixedly connected with the movable clamping die, a second cover plate is arranged outside the second mounting groove and fixedly connected with the fixed clamping die.

Compared with the prior art, the invention provides a multi-station pier head bending all-in-one machine for a vehicle pipe fitting, which has the following beneficial effects:

1. this kind of automobile-used pipe fitting multistation pier nose all-in-one of buckling sets up slidable slider through on the fixation clamp mould of bending and the activity clamp mould to set up fixed flange and activity flange on the slider, realize the location when the lug inserts between fixed flange and the activity flange on the pipe fitting, and then guarantee the precision of bending of pipe fitting, can drive rack and spout inner wall contact when the slider removes, spout inner wall promotes the activity flange and removes, and realize the activity flange location after to removing through the block and drive rack's clamping effect, be favorable to adjusting the position of activity flange, and then adjust the interval between activity flange and the fixed flange, make the thickness and the quantity of lug on the pipe fitting of different specifications of this adaptation can be to the lug location, the suitability of clamp mould has been improved, need not frequently to change clamp mould, save because of changing clamp mould and occupy the time of bending processing, the whole processing efficiency of bending of pipe fitting has been improved, and the economic cost that design manufacturing multiunit mould produced has been saved.

2. This kind of pier nose all-in-one is buckled to automobile-used pipe fitting multistation through rotating slider and the fixed die that presss from both sides on the movable die of drive screw and driven screw can drive respectively and remove, and is more accurate to the position adjustment of slider, can fix a position the slider after adjusting simultaneously, has avoided the slider to move under the exogenic action, has improved the stability of slider, through adjusting the slider in the inside position of spout, can adjust fixed flange and movable flange in the inside position of spout, and then the position of the lug on the different specification pipe fittings of adaptation to this fixes a position the pipe fitting of different specifications, has further improved the suitability of pressing from both sides the die.

3. This kind of pier nose all-in-one is buckled to automobile-used pipe fitting multistation, through setting up initiative drive assembly, driven drive assembly, when the movable clamping die merges with the fixation clamp die, can drive initiative screw rod and driven screw rod rotation simultaneously through initiative worm, driven worm, connecting piece, initiative worm wheel and driven worm wheel when starting the motor, be favorable to the slider on the synchronous regulation movable clamping die and the slider on the fixation clamping die, and then guarantee that the fixed flange on two sets of sliders is the same with the position of movable flange, saved operating time, improved the regulation precision.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a multi-station bending pier head integrated machine for automotive pipe fittings;

fig. 2 is a schematic diagram of a perspective structure of a bending machine according to the present invention;

FIG. 3 is an enlarged view of section C of FIG. 2 in accordance with the present invention;

fig. 4 is a schematic diagram of a perspective structure of a bending machine according to the second embodiment of the present invention;

FIG. 5 is an enlarged view of portion D of FIG. 4 in accordance with the present invention;

FIG. 6 is a schematic view of a fixing clip according to the present invention;

FIG. 7 is a schematic view of a movable clamping die according to the present invention;

FIG. 8 is a cross-sectional view of a slider of the present invention;

FIG. 9 is an enlarged view of portion A of FIG. 8 in accordance with the present invention;

FIG. 10 is a cross-sectional view of a movable clamping die of the present invention;

fig. 11 is an enlarged view of the portion B of fig. 10 according to the present invention.

In the figure: 1. a heading machine; 2. bending machine; 3. a mechanical arm; 4. a movable seat; 5. fixing the clamping die; 6. a movable clamping die; 7. a chute; 8. a slide block; 9. a positioning groove; 10. fixing the flange; 11. a movable flange; 12. a driving groove; 13. a drive rack; 14. a first spring; 15. a limiting hole; 16. a clamping block; 17. a second spring; 18. a groove; 19. a first inclined surface; 20. a through hole; 21. a push rod; 22. a second inclined surface; 23. an end head; 24. a third spring; 25. a guide groove; 26. a guide block; 27. a first mounting groove; 28. a motor; 29. a driving worm; 30. square holes; 31. a connecting piece; 311. square rods; 312. a fourth spring; 313. a driving face gear; 32. a drive screw; 33. a driving worm wheel; 34. a second mounting groove; 35. a driven worm; 36. a driven face gear; 37. a driven screw; 38. a driven worm wheel; 39. a first accommodation groove; 40. a second accommodation groove; 41. a first cover plate; 42. and a second cover plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As described in the background art, the prior art has the defects, and in order to solve the technical problems, the application provides a multi-station bending pier head integrated machine for a vehicle pipe fitting.

Referring to fig. 1-9, a multi-station pier head bending integrated machine for automotive pipe fittings comprises a pier head machine 1, a bending machine 2 and a mechanical arm 3, wherein a movable seat 4 is arranged at the end part of the bending machine 2, a fixed clamping die 5 and a movable clamping die 6 are arranged at the top of the movable seat 4, sliding grooves 7 are formed in one sides, opposite to the fixed clamping die 5 and the movable clamping die 6, of the fixed clamping die 6, sliding blocks 8 are slidably connected inside the sliding grooves 7, positioning grooves 9 are formed in the surfaces of the sliding blocks 8, a fixed flange 10 and a movable flange 11 are arranged in the positioning grooves 9, and the fixed flange 10 is fixedly connected with the positioning grooves 9;

the inner wall of the positioning groove 9 is provided with a driving groove 12, a driving rack 13 is connected in a sliding way in the driving groove 12, the driving rack 13 is fixedly connected with the movable flange 11, and one end, close to the fixed flange 10, of the driving rack 13 is connected with the inner wall of the driving groove 12 through a first spring 14;

a limiting hole 15 is formed in the inner wall of the driving groove 12, a clamping block 16 is arranged in the limiting hole 15, one end of the clamping block 16 is clamped with the driving rack 13 through a meshing tooth, a second spring 17 is fixedly connected between the other end of the clamping block 16 and the inner wall of the limiting hole 15, a groove 18 is formed in the side surface of the clamping block 16, and a first inclined surface 19 is arranged on the inner wall of the groove 18;

the through hole 20 has been seted up with the position that fixture block 16 side is relative in the slider 8, through-hole 20 and spacing hole 15 intercommunication, be provided with push rod 21 in the through-hole 20, push rod 21 one end extends to in the recess 18, push rod 21 keeps away from recess 18 one end and drive rack 13 and keeps away from fixed flange 10 one end and extend to the both sides of slider 8 respectively, push rod 21 is located the inside one end of recess 18 and is provided with second inclined plane 22, second inclined plane 22 and first inclined plane 19 laminating each other, push rod 21 is located the outside one end of through-hole 20 and is fixed with end 23, end 23 passes through third spring 24 and slider 8 fixed connection, specifically is equipped with third spring 24 between end 23 and the slider 8, and the one end and the end 23 of third spring 24 are fixed, and the other end is fixed with slider 8.

The end part of the clamping block 16 and the driving rack 13 are respectively provided with a ratchet, the clamping effect is realized through the meshing of the ratchet, the movable flange 11 is prevented from moving after receiving the acting force of the convex blocks, in an initial state, the pier head machine 1 processes the pier head of the pipe fitting, the convex blocks are formed on the surface of the pipe fitting, the mechanical arm 3 clamps the pipe fitting after the pier head machine is processed and is placed between the fixed clamping die 5 and the movable clamping die 6, the convex blocks on the pipe fitting are just positioned in the positioning groove 9, at the moment, the fixed flange 10 and the movable flange 11 are respectively attached to two sides of a single convex block or a plurality of convex blocks of the pipe fitting, so that the pipe fitting is clamped and positioned, the pipe fitting is prevented from moving in the bending process, and the bending precision can be ensured;

when the sliding block 8 is used, the sliding block 8 is moved along one end of the sliding groove 7, the sliding block 8 drives the push rod 21 and the end head 23 to move, when the end head 23 contacts the end wall of the sliding groove 7, the end head 23 and the push rod 21 cannot move continuously, the sliding block 8 which moves continuously moves relatively to the push rod 21, so that the push rod 21 moves towards the inside of the through hole 20, the end head 23 also compresses the third spring 24, when the push rod 21 moves towards the inside of the through hole 20, the second inclined surface 22 at the end part of the push rod 21 presses the first inclined surface 19 in the groove 18, the pushing force generated during pressing pushes the clamping block 16 to move, the clamping block 16 compresses the second spring 17 when moving towards the inside of the limiting hole 15 at the moment, meanwhile, the clamping block 16 does not clamp with the driving rack 13 after moving towards the inside of the limiting hole 15, at the moment, the elastic force of the first spring 14 pushes the driving rack 13 to move, the driving rack 13 drives the movable flange 11 to move, and finally the first spring 14 recovers the original length, the driving rack 13 and the movable flange 11 are static, and the distance between the movable flange 11 and the fixed flange 10 is maximum at the moment; then the sliding block 8 moves along the sliding groove 7 in the opposite direction, the end 23 is pushed to move under the action of the elastic force of the third spring 24, the push rod 21 is further driven to move towards the outside of the through hole 20, the second inclined surface 22 is separated from the first inclined surface 19 in the groove 18 when the push rod 21 moves, at the moment, the clamping block 16 is pushed to move towards the outside of the clamping hole under the action of the elastic force of the second spring 17, the clamping block 16 is clamped with the driving rack 13 again, the driving rack 13 is positioned, the sliding block 8 which moves continuously can drive the end part of the driving rack 13 to be contacted with the end wall of the sliding groove 7, the end wall of the sliding groove 7 enables the driving rack 13 to move along the driving groove 12, the driving rack 13 can compress the first spring 14 and drive the fixed flange 10 to be close to the movable flange 11, and then the distance between the fixed flange 10 and the movable flange 11 is adjusted, as the end part of the driving rack 13 is always kept in dynamic clamping with the end part of the clamping block 16 in the moving direction, finally when the distance between the fixed flange 10 and the movable flange 11 is adjusted to meet the width or the number requirement of the convex blocks on the pipe fitting, the sliding block 8 can be moved reversely until the end part is positioned at the proper distance between the fixed flange 10 and the movable flange 11 is adjusted to meet the requirement of the fixed distance after the movable flange is adjusted, and the distance between the fixed flange and the movable flange 11 is adjusted to be in a proper state;

the width or the quantity of the protruding blocks on the pipe fitting is adapted by adjusting the distance between the fixed flange 10 and the movable flange 11, so that the fixed clamping die 5 and the movable clamping die 6 can adapt to the thickness and the quantity of the protruding blocks on different pipe fittings, and further, the pipe fittings with different specifications are positioned, the applicability of the fixed clamping die 5 and the movable clamping die 6 is improved, the economic cost generated by die design and manufacturing is saved, the time for bending the pipe fitting due to frequent replacement of the clamping die is saved, and the bending processing efficiency of the pipe fitting is improved.

Further, referring to fig. 8, a guiding groove 25 is formed in the inner wall of the positioning groove 9, a guiding block 26 is fixed to the edge of the movable flange 11, and the guiding block 26 is slidably connected with the guiding groove 25.

In practical application, the guide groove 25 is parallel to the driving groove 12, the number of the guide groove 25 and the guide block 26 is preferably two, and the guide groove 25 and the guide block 26 are vertically symmetrically distributed, so that the movable flange 11 can be guided when moving, and the stability of the movable flange 11 is improved.

Further, referring to fig. 7, 10 and 11, a first mounting groove 27 is formed in the outer wall of the movable clamping die 6, an active driving component and an active transmission component are arranged on the movable clamping die 6, the active driving component comprises a motor 28, the motor 28 is fixedly connected with the movable clamping die 6, an output shaft of the motor 28 is fixedly connected with an active worm 29, the active worm 29 is located in the first mounting groove 27, two ends of the active worm 29 are movably connected with the inner wall of the first mounting groove 27, a square hole 30 is formed in one end, far away from the motor 28, of the active worm 29, a connecting piece 31 is arranged in the square hole 30, the active transmission component comprises an active screw 32, the active screw 32 penetrates through the sliding block 8 and is in threaded connection with the sliding block 8, two ends of the active screw 32 are movably connected with the inner wall of the sliding groove 7, one end of the active screw 32 penetrates into the first mounting groove 27, one end of the active screw 32 is fixedly provided with an active worm 33 located in the first mounting groove 27, and the active worm 33 is meshed with the active worm 29.

When the motor 28 is started, the motor 28 drives the driving worm 29 to rotate due to the fact that the driving worm 29 is fixed to an output shaft of the motor 28, and the driving worm wheel 33 is meshed with the driving worm 29, when the driving worm 29 rotates, the driving worm wheel 33 can be driven to rotate, the driving worm wheel 33 rotates to drive the driving screw 32 to rotate, and due to the fact that the sliding block 8 is in threaded connection with the driving screw 32, meanwhile, the sliding block 8 is in sliding connection with the sliding groove 7, when the driving screw 32 rotates, the sliding block 8 on the movable clamping die 6 can be driven to move along the sliding groove 7, the sliding block 8 can be regulated to move to drive the fixed flange 10 and the movable flange 11 to move, and therefore the positions of the fixed flange 10 and the movable flange 11 can be regulated accurately, and different positions of protruding blocks on a pipe fitting to be processed can be adapted, and applicability is improved.

Further, referring to fig. 6, 7 and 11, the connecting piece 31 includes a square rod 311, one end of the square rod 311 is movably inserted into the square hole 30, one end of the square rod 311 located inside the square hole 30 is fixedly connected with the inner wall of the square hole 30 through a fourth spring 312, one end of the square rod 311 located outside the square hole 30 is fixedly connected with a driving face gear 313, a second mounting groove 34 is provided on the outer wall of the fixing clamp die 5, and a driven driving assembly and a driven transmission assembly are provided on the fixing clamp die 5;

the driven driving assembly comprises a driven worm 35, the driven worm 35 is positioned in the second mounting groove 34, two ends of the driven worm 35 are movably connected with the inner wall of the second mounting groove 34, the axis of the driven worm 35 is collinear with the axis of the driving worm 29, and a driven face gear 36 is fixedly connected with the end part of the driven worm 35;

the driven transmission assembly comprises a driven screw rod 37, the driven screw rod 37 penetrates through the sliding block 8 and is in threaded connection with the sliding block 8, two ends of the driven screw rod 37 are movably connected with the inner wall of the sliding groove 7, one end of the driven screw rod 37 penetrates through the second mounting groove 34, the driven screw rod 37 is located at one end inside the second mounting groove 34 and is fixedly provided with a driven worm wheel 38, the driven worm wheel 38 is meshed with the driven worm 35, a first accommodating groove 39 is formed in one side, close to the fixed clamping die 5, of the movable clamping die 6, the first accommodating groove 39 corresponds to the end position of the driving worm 29, a second accommodating groove 40 is formed in one side, close to the movable clamping die 6, of the fixed clamping die 5, and the driven face gear 36 is located in the second accommodating groove 40.

In practical application, the specifications of the driving screw 32 and the driven screw 37 are the same, the specifications of the driving worm 29 and the driven worm 35 are the same, the specifications of the driving worm wheel 33 and the driven worm wheel 38 are the same, the cross sections of the square hole 30 and the square rod 311 are square, and the square rod 311 is movably inserted into the square hole 30, so that when the motor 28 runs and drives the driving worm 29 to rotate, the driving worm 29 can drive the square rod 311 to synchronously rotate through the square hole 30, and when the square rod 311 rotates, the driving face gear 313 is driven to rotate; when the sliding blocks 8 on the fixed clamping die 5 and the movable clamping die 6 need to be synchronously adjusted, the bending machine 2 controls the movable clamping die 6 to move towards the fixed clamping die 5, in the moving process, the driving face gear 313 is meshed with the driven face gear 36 first, the meshed driving face gear 313 cannot continue to move, but the continuously moving movable clamping die 6 compresses the fourth spring 312, the square rod 311 is gradually inserted into the square hole 30, and finally the movable clamping die 6 moves to be combined with the fixed clamping die 5, and the driving face gear 313 and the driven face gear 36 still keep tightly meshed; at this time, the motor 28 is restarted, the motor 28 operates to drive the driving worm 29 to rotate, the driving worm 29 rotates to drive the square rod 311 to rotate, the square rod 311 rotates to drive the driving face gear 313 to rotate, the driving face gear 313 rotates to drive the driven face gear 36 to rotate under the meshing action, the driven face gear 36 drives the driven worm 35 to rotate when rotating, the driven worm wheel 38 is meshed with the driven worm 35, the driven worm wheel 38 is driven to rotate when rotating, the driven worm wheel 38 drives the driven screw 37 to rotate when rotating, the sliding block 8 on the fixed clamping die 5 is in threaded connection with the driven screw 37, the sliding block 8 is in sliding connection with the sliding groove 7, the sliding block 8 on the fixed clamping die 5 can be driven to move when the driven screw 37 rotates, and then the position of the sliding block 8 on the fixed clamping die 5 and the sliding block 8 on the movable clamping die 6 can be simultaneously adjusted when the motor 28 operates, and the two sliding blocks 8 can be accurately adjusted simultaneously through the single motor 28.

Further, referring to fig. 6 and 7, a first cover plate 41 is disposed outside the first mounting groove 27, the first cover plate 41 is fixedly connected with the movable clamping die 6, a second cover plate 42 is disposed outside the second mounting groove 34, and the second cover plate 42 is fixedly connected with the fixed clamping die 5.

The first cover plate 41 and the second cover plate 42 are fixed by screws, and can cover the first mounting groove 27 and the second mounting groove 34 respectively, so as to protect the parts inside the first mounting groove 27 and the parts inside the second mounting groove 34.

Working principle: when the invention is used, in an initial state, the pier head machine 1 processes the pier head of the pipe fitting, then forms a convex block on the surface of the pipe fitting, the mechanical arm 3 clamps the pipe fitting processed by the pier head machine and is placed between the fixed clamping die 5 and the movable clamping die 6, the convex block on the pipe fitting is just positioned in the positioning groove 9, the fixed flange 10 and the movable flange 11 are respectively attached to two sides of the convex block of the pipe fitting at the moment, and then the bending machine 2 controls the movable clamping die 6 to move and then combine with the fixed clamping die 5, so that the pipe fitting can be clamped and positioned;

when positioning pipes with different specifications, the bending machine 2 controls the movable clamping die 6 to move towards the fixed clamping die 5, in the moving process, the driving face gear 313 is meshed with the driven face gear 36 first, the meshed driving face gear 313 cannot move continuously, but the continuously moving movable clamping die 6 compresses the fourth spring 312, the square rod 311 is gradually inserted into the square hole 30, finally the movable clamping die 6 moves to be combined with the fixed clamping die 5, and the driving face gear 313 and the driven face gear 36 still keep tightly meshed; at this time, the motor 28 is restarted, the driving worm 29 is fixed with the output shaft of the motor 28, the motor 28 runs to drive the driving worm 29 to rotate, the driving worm wheel 33 is meshed with the driving worm 29, when the driving worm 29 rotates, the driving worm wheel 33 can be driven to rotate, the driving worm wheel 33 rotates to drive the driving screw 32 to rotate, and the sliding block 8 is in threaded connection with the driving screw 32, meanwhile, the sliding block 8 is in sliding connection with the sliding groove 7, and when the driving screw 32 rotates, the sliding block 8 on the movable clamping die 6 can be driven to move along the sliding groove 7; meanwhile, the cross sections of the square hole 30 and the square rod 311 are square, the square rod 311 is movably inserted into the square hole 30, so that when the motor 28 is operated and then drives the driving screw rod 32 to rotate, the driving screw rod 32 drives the square rod 311 to synchronously rotate through the square hole 30, the square rod 311 rotates and drives the driving face gear 313 to rotate, the driving face gear 313 rotates and then drives the driven face gear 36 to rotate under the meshing action, the driven face gear 36 drives the driven worm 35 to rotate, the driven worm wheel 38 is meshed with the driven worm 35, the driven worm wheel 35 drives the driven worm wheel 38 to rotate, the driven worm wheel 38 drives the driven screw rod 37 to rotate, and the sliding block 8 is in sliding connection with the sliding groove 7, and when the driven screw rod 37 rotates, the sliding block 8 on the fixed clamping die 5 can be driven to move, and then when the motor 28 is operated, the sliding block 8 on the fixed clamping die 5 and the movable clamping die 6 are simultaneously driven to move;

the motor 28 controls the sliding block 8 to move towards one end of the sliding groove 7, the sliding block 8 drives the push rod 21 and the end 23 to move, when the end 23 contacts the end wall of the sliding groove 7, the end 23 and the push rod 21 cannot move continuously, the sliding block 8 which moves continuously moves relatively to the push rod 21, so that the push rod 21 moves towards the inside of the through hole 20, the end 23 also compresses the third spring 24, when the push rod 21 moves towards the inside of the through hole 20, the second inclined surface 22 at the end of the push rod 21 presses the first inclined surface 19 in the groove 18, the pushing force generated during pressing pushes the clamping block 16 to move, at the moment, the clamping block 16 compresses the second spring 17 when moving towards the inside of the limiting hole 15, and meanwhile, the clamping block 16 does not clamp with the driving rack 13 after moving towards the inside of the limiting hole 15, at the moment, the elastic force of the first spring 14 pushes the driving rack 13 moves to drive the movable flange 11, and finally, the driving rack 13 and the movable flange 11 recover to be at the same time, the distance between the movable flange 11 and the movable flange 11 is at the maximum; then the sliding block 8 moves along the sliding groove 7 in the opposite direction, the end 23 is pushed to move under the action of the elastic force of the third spring 24, the push rod 21 is further driven to move towards the outside of the through hole 20, the second inclined surface 22 is separated from the first inclined surface 19 in the groove 18 when the push rod 21 moves, at the moment, the clamping block 16 is pushed to move towards the outside of the clamping hole under the action of the elastic force of the second spring 17, the clamping block 16 is clamped with the driving rack 13 again, the driving rack 13 is positioned, the sliding block 8 which moves continuously can drive the end part of the driving rack 13 to be contacted with the end wall of the sliding groove 7, the end wall of the sliding groove 7 enables the driving rack 13 to move along the driving groove 12, the driving rack 13 can compress the first spring 14 and drive the fixed flange 10 to be close to the movable flange 11, and then the distance between the fixed flange 10 and the movable flange 11 is adjusted, as the end part of the driving rack 13 is always kept in dynamic clamping with the end part of the clamping block 16 in the moving direction, finally when the distance between the fixed flange 10 and the movable flange 11 is adjusted to meet the width or the number requirement of the convex blocks on the pipe fitting, the sliding block 8 can be moved reversely until the end part is positioned at the proper distance between the fixed flange 10 and the movable flange 11 is adjusted to meet the requirement of the fixed distance after the movable flange is adjusted, and the distance between the fixed flange and the movable flange 11 is adjusted to be in a proper state;

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pier nose all-in-one is buckled to automobile-used pipe fitting multistation, includes pier nose machine (1), bender (2) and arm (3), bender (2) tip is provided with movable seat (4), movable seat (4) top is provided with fixation clamp mould (5) and activity clamp mould (6), its characterized in that: the fixed clamping die (5) and the movable clamping die (6) are arranged on opposite sides of the fixed clamping die, sliding grooves (7) are formed in the sliding grooves (7) in a sliding mode, positioning grooves (9) are formed in the surfaces of the sliding grooves (8), fixed flanges (10) and movable flanges (11) are arranged in the positioning grooves (9), and the fixed flanges (10) are fixedly connected with the positioning grooves (9);

the inner wall of the positioning groove (9) is provided with a driving groove (12), a driving rack (13) is connected in a sliding manner in the driving groove (12), the driving rack (13) is fixedly connected with the movable flange (11), and one end, close to the fixed flange (10), of the driving rack (13) is connected with the inner wall of the driving groove (12) through a first spring (14);

a limiting hole (15) is formed in the inner wall of the driving groove (12), a clamping block (16) is arranged in the limiting hole (15), one end of the clamping block (16) is clamped with the driving rack (13) through a meshing tooth, a second spring (17) is fixedly connected between the other end of the clamping block (16) and the inner wall of the limiting hole (15), a groove (18) is formed in the side surface of the clamping block (16), and a first inclined surface (19) is formed in the inner wall of the groove (18);

through-hole (20) have been seted up in slider (8) with the position that fixture block (16) side is relative, through-hole (20) and spacing hole (15) intercommunication, be provided with push rod (21) in through-hole (20), push rod (21) one end extends to in recess (18), recess (18) one end and drive rack (13) are kept away from fixed flange (10) one end and are extended to the both sides of slider (8) respectively, push rod (21) are located recess (18) inside one end and are provided with second inclined plane (22), second inclined plane (22) are laminated each other with first inclined plane (19), push rod (21) are located outside one end of through-hole (20) and are fixed with end (23), end (23) are through third spring (24) and slider (8) fixed connection.

2. The vehicle pipe fitting multi-station bending pier head all-in-one machine according to claim 1, wherein: guide grooves (25) are formed in the inner walls of the positioning grooves (9), guide blocks (26) are fixed on the edges of the movable flanges (11), and the guide blocks (26) are connected with the guide grooves (25) in a sliding mode.

3. The vehicle pipe fitting multi-station bending pier head all-in-one machine according to claim 1, wherein: the novel movable clamping die comprises a movable clamping die (6), and is characterized in that a first mounting groove (27) is formed in the outer wall of the movable clamping die (6), an active driving assembly and an active transmission assembly are arranged on the movable clamping die (6), the active driving assembly comprises a motor (28), the motor (28) is fixedly connected with the movable clamping die (6), an active worm (29) is fixedly connected with an output shaft of the motor (28), the active worm (29) is located in the first mounting groove (27), two ends of the active worm (29) are movably connected with the inner wall of the first mounting groove (27), a square hole (30) is formed in one end of the active worm (29), and a connecting piece (31) is arranged in the square hole (30).

4. The vehicle pipe fitting multi-station bending pier head integrated machine according to claim 3, wherein: the driving transmission assembly comprises a driving screw (32), the driving screw (32) penetrates through the sliding block (8) and is in threaded connection with the sliding block (8), two ends of the driving screw (32) are movably connected with the inner wall of the sliding groove (7), one end of the driving screw (32) penetrates into the first mounting groove (27), one end of the driving screw (32) located in the first mounting groove (27) is fixedly provided with a driving worm wheel (33), and the driving worm wheel (33) is meshed with the driving worm (29).

5. The multi-station bending pier head integrated machine for automotive pipe fittings according to claim 4, wherein: the connecting piece (31) comprises a square rod (311), one end of the square rod (311) is movably inserted into the square hole (30), one end of the square rod (311) located inside the square hole (30) is fixedly connected with the inner wall of the square hole (30) through a fourth spring (312), and one end of the square rod (311) located outside the square hole (30) is fixedly connected with a driving face gear (313).

6. The multi-station bending pier head integrated machine for the automotive pipe fitting according to claim 5, wherein the multi-station bending pier head integrated machine is characterized in that: the utility model discloses a fixed clamp mould, including fixed clamp mould (5) and driven face gear (36), second mounting groove (34) has been seted up to fixed clamp mould (5) outer wall, be equipped with driven drive assembly and driven drive assembly on fixed clamp mould (5), driven drive assembly includes driven worm (35), driven worm (35) are located second mounting groove (34), driven worm (35) both ends all with second mounting groove (34) inner wall swing joint, the axle center of driven worm (35) and the axle center collineation of driving worm (29), driven worm (35) tip fixedly connected with driven face gear (36).

7. The vehicle pipe fitting multi-station bending pier head integrated machine according to claim 6, wherein: the driven transmission assembly comprises a driven screw rod (37), the driven screw rod (37) penetrates through the sliding block (8) and is in threaded connection with the sliding block (8), two ends of the driven screw rod (37) are movably connected with the inner wall of the sliding groove (7), one end of the driven screw rod (37) penetrates into the second mounting groove (34), one end of the driven screw rod (37) located inside the second mounting groove (34) is fixedly provided with a driven worm wheel (38), and the driven worm wheel (38) is meshed with the driven worm (35).

8. The vehicle pipe fitting multi-station bending pier head all-in-one machine according to claim 7, wherein: the movable clamping die (6) is close to one side of the fixed clamping die (5) and provided with a first accommodating groove (39), the first accommodating groove (39) corresponds to the end position of the driving worm (29), the fixed clamping die (5) is close to one side of the movable clamping die (6) and provided with a second accommodating groove (40), and the driven face gear (36) is located in the second accommodating groove (40).

9. The vehicle pipe fitting multi-station bending pier head integrated machine according to claim 8, wherein: the outside of first mounting groove (27) is equipped with first apron (41), first apron (41) and activity clamp mould (6) fixed connection, the outside of second mounting groove (34) is equipped with second apron (42), second apron (42) and fixed clamp mould (5) fixed connection.