CN210388141U - End cone flange welding tool - Google Patents
End cone flange welding tool Download PDFInfo
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- CN210388141U CN210388141U CN201921511025.2U CN201921511025U CN210388141U CN 210388141 U CN210388141 U CN 210388141U CN 201921511025 U CN201921511025 U CN 201921511025U CN 210388141 U CN210388141 U CN 210388141U
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Abstract
The utility model discloses an end awl flange welding frock, the base is equipped with end awl orientation module, flange orientation module's location center line and the coaxial setting of location center line of end awl orientation module, a plurality of jack catchs of end awl orientation module articulate in basic piece periphery, the jack catch is connected upwards to the piece, divide to be connected to the one end of piece with the main shaft, actuating mechanism drive main shaft is straight reciprocating motion, the main shaft is through rotating as the center to the pin joint that drives the jack catch with basic piece to the piece, the terminal surface of basic piece one end is fixed with the connecting plate, be provided with a plurality of inner filler blocks on the connecting plate. The utility model discloses a jack catch and inside lining piece are fixed a position from the end awl is outer, internal surface respectively, and the inside lining piece provides the support, and the jack catch provides to press from both sides tightly, and the two mutually supports, can make the clamp force exert the end awl better on, and it is more firm to fix the end awl, and the end awl is difficult to take place off-centre, guarantees the positioning accuracy requirement of end awl.
Description
Technical Field
The utility model belongs to the technical field of the machining frock and specifically relates to an end cone flange welding frock.
Background
An exhaust pipe of an automobile exhaust system generally comprises a gas inlet end cone, a catalyst, a gas outlet end cone and other components, wherein a flange is welded and fixed on the end cone. Before welding the end cone and the flange, the end cone and the flange need to be positioned and clamped tightly through corresponding welding tools. The existing end cone flange welding tool is generally clamped after two-point or four-point positioning is carried out on the outer surface of an end cone and the outer surface of a flange, and positioning points are symmetrically arranged on the outer surfaces of two opposite sides of the end cone and the flange. The welding tool has the following problems: (1) the end cone and the flange are limited through point contact, the contact area of the locating point is small, the locating precision is poor, the end cone and the flange are easy to be eccentric, and the coaxiality requirement of the end cone and the flange cannot be guaranteed. When the outer terminal surface of end awl inserts the flange inner surface, if end awl, flange exist off-centre, the cooperation surface of the two can appear that one side clearance is little, the big condition in opposite side clearance, when carrying out welding process, can make the each point welding of cooperation surface inhomogeneous, lead to welding deformation, and then influence the leakproofness of pipeline. (2) Because the area of contact of end awl, flange surface setpoint is little, and the end awl is inside not to set up the support original paper, and at the tight in-process of clamp, the clamp force is concentrated on pressing from both sides tight contact point, forms pressure concentration point, and pressure concentration point's pressure is great, presses deformation with end awl, flange surface easily, influences the plane degree requirement on end awl, flange surface, and then influences the leakproofness requirement of end awl, flange, increases the risk of gas leakage.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects that the existing end cone flange welding tool is arranged on the outer surface of an end cone, the outer surface of a flange is clamped through point positioning, the positioning precision is poor, the end cone and the flange are easy to be eccentric, deform and further influence the pipeline tightness, the risk of pipeline air leakage is increased, and the like.
The utility model discloses the technical scheme who adopts as follows:
an end cone flange welding tool is characterized in that a base is provided with an end cone positioning module and a flange positioning module, the positioning center line of the flange positioning module and the positioning center line of the end cone positioning module are coaxially arranged, a plurality of clamping jaws of the end cone positioning module are hinged to the periphery of a base block, the clamping jaws are connected to a dividing block, the dividing block is connected with one end of a main shaft, a driving mechanism drives the main shaft to do linear reciprocating motion, the main shaft drives the clamping jaws to rotate around a hinge joint with the base block through the dividing block, a connecting plate is fixed on the end face of one end of the base block, and a plurality of inner filler blocks are arranged on; when the end cone is positioned, the plurality of clamping jaws and the lining blocks clamp and loosen the end cone from the outer surface and the inner surface of the end cone respectively.
The utility model discloses a flange orientation module's location central line and the coaxial setting of end awl orientation module's location central line ensure the cooperation axiality requirement of end awl and flange. The jack catch is fixed a position with the inside lining piece respectively from end awl outside, internal surface, and the inside lining piece provides the support, and the jack catch provides and presss from both sides tightly, and the two is mutually supported, can make the clamp force exert on the end awl better, and is more firm with the end awl is fixed, and the end awl is difficult to take place off-centre, guarantees the positioning accuracy requirement of end awl. And because the inner surface of the end cone is additionally provided with a supporting function, when the end cone is clamped tightly, the surface is not easy to deform, the flatness requirement of the surface is ensured, the sealing requirement of the end cone is ensured, and the risk of air leakage is reduced.
As a further improvement of the above technical solution:
the lining blocks are arranged on the connecting plate in a sliding manner and can move along the radial direction of the main shaft; each inner lining block corresponds to one claw respectively.
The utility model discloses an every interior filler block is corresponding with a jack catch respectively, and when the jack catch pressed from both sides tightly, each department presss from both sides tight face and all corresponds the strong point, and the clamp force acts on the strong point of interior filler block for the end awl surface is difficult to warp more.
The lining blocks and the clamping jaws in each block are provided with profiling surfaces, and when the end cone is positioned, the profiling surfaces are matched with the inner surface and the outer surface of the end cone.
The inner surface of each inner lining block corresponding to the end cone of the utility model is provided with a profiling surface, the profiling surface is in surface contact with the inner surface of the end cone, the contact area of the positioning surface is large, eccentricity is not easy to occur, and the positioning precision is high; and because area of contact is big, the clamp force dispersion is on whole contact surface, and the pressure of each point on the contact surface is less, is difficult to press the deformation with the end awl. The copying surface is also arranged on the outer surface of the end cone corresponding to the clamping jaw, when the clamping jaw clamps the end cone, the copying surface is in surface contact with the outer surface of the end cone, the contact area of the positioning surface is large, eccentricity is not easy to occur, and the positioning precision is high; and because area of contact is big, the clamp force dispersion is on whole contact surface, and the pressure of each point on the contact surface is less, is difficult to press the deformation with the end awl. The inner lining block and the clamping jaw are replaceable structures, and the structures of the inner lining block and the clamping jaw can be selected according to the actual size and shape of a workpiece; the profiling surfaces on the inner lining block and the clamping jaws can be flexibly arranged according to the shape of a specific workpiece, the replacement is convenient, and the adaptability is good.
One of the inner lining blocks is provided with a positioning bulge.
The utility model discloses a be equipped with the location arch on one of them piece lining piece, the protruding technology trompil corresponding with the end awl internal surface in location, the location is protruding to be spacing to end awl circumference with the coincidence of technology trompil, and the end awl can not take place the skew because of circumferential motion after by spacing, ensures the accuracy nature of end awl location.
The base block of the flange positioning module is fixed on a second base on the base, a central through hole is formed in the center of the base block, two positioning blocks are arranged on the second base in a sliding mode through a guide plate and a straight plate, and when the flange is positioned, the two positioning blocks are tightly attached to the outer surface of the flange.
The profiling positioning blocks of the flange positioning module are symmetrically arranged along the positioning center line of the flange positioning module in the left-right direction, and during positioning, the inner surface of the profiling groove tightly holds the outer surface of the flange, so that on one hand, the tightly holding and laminating area is large, the flange is not easy to generate eccentricity, and the positioning precision is high; on the other hand, the holding force is distributed on the whole surface of the flange, and the pressure on each point of the surface is small, so that the flange is not easy to deform under pressure.
The reference block of the flange positioning module is embedded with an insert, the insert is provided with a central hole, and the inner surface of the central hole is attached to the outer surface of the flange during positioning; the insert is made of soft metal material.
The utility model discloses an it has the insert to inlay on the reference block, inserts and to adopt soft metal material, when laminating with the flange surface, is difficult to crush the flange surface, in welding process, can also derive the heat that the welding produced fast to reduce the heat altered shape that the flange produced in welding process.
The end cone positioning module is arranged on the first base in a sliding mode through the supporting plate, the vertical plate is fixed on the supporting plate, a base block is fixed at one end of the vertical plate, an air cylinder is arranged at the other end of the vertical plate, one end of a main shaft in the center of the air cylinder penetrates through the air cylinder to be connected with the pull rod mechanism, the other end of the main shaft penetrates through the vertical plate to be connected to the block, and the block is located between the base block and the main.
The front end of the end cone positioning module, which is close to the flange positioning module, is fixedly provided with a first guide block and a second guide block, and the first guide block and the second guide block are symmetrically arranged along the positioning central line of the end cone positioning module.
The utility model discloses a first guide block, second guide block play the effect of supporting the direction to the end awl when end awl is upper and lower, ensure the accurate positioning of end awl orientation module to the end awl.
The center of the connecting plate is fixed with a splash-proof cover.
The utility model discloses a connecting plate center department is fixed with the cover of preventing splashing, at end awl and flange welded in-process, can prevent that splashing that the welding produced can not get into the inside of end awl and influence the inside smooth finish of end awl.
A second counter bore is correspondingly formed in the base block, a plurality of groups of support plates are protruded on the periphery of the base block corresponding to the plurality of clamping jaws, and a second open slot is formed between each group of support plates; a plurality of branch plates are arranged on the branch blocks corresponding to the plurality of clamping jaws; the clamping jaw comprises a clamping head and a connecting rod, the clamping head is fixed at one end of the connecting rod, a first open slot is formed in the other end of the connecting rod, a first connecting hole and a second connecting hole which are communicated are formed in the end portion of the connecting rod, and the first connecting hole is a runway-shaped hole; the width of the first opening groove is b1And the thickness t of the branch plate2The branch plates are inserted into the first open grooves and connected to the connecting rods in a matched mode; thickness t of the connecting rod1Width b of the second opening groove2And the connecting rod passes through the second opening groove and is hinged on the support plate.
The utility model has the advantages as follows:
the utility model discloses a flange orientation module's location central line and the coaxial setting of end awl orientation module's location central line ensure the cooperation axiality requirement of end awl and flange. The jack catch is fixed a position with the inside lining piece respectively from end awl outside, internal surface, and the inside lining piece provides the support, and the jack catch provides and presss from both sides tightly, and the two is mutually supported, can make the clamp force exert on the end awl better, and is more firm with the end awl is fixed, and the end awl is difficult to take place off-centre, guarantees the positioning accuracy requirement of end awl. And because the inner surface of the end cone is additionally provided with a supporting function, when the end cone is clamped tightly, the surface is not easy to deform, the flatness requirement of the surface is ensured, the sealing requirement of the end cone is ensured, and the risk of air leakage is reduced.
The utility model discloses an every interior filler block is corresponding with a jack catch respectively, and when the jack catch pressed from both sides tightly, each department presss from both sides tight face and all corresponds the strong point, and the clamp force acts on the strong point of interior filler block for the end awl surface is difficult to warp more.
The inner surface of each inner lining block corresponding to the end cone of the utility model is provided with a profiling surface, the profiling surface is in surface contact with the inner surface of the end cone, the contact area of the positioning surface is large, eccentricity is not easy to occur, and the positioning precision is high; and because area of contact is big, the clamp force dispersion is on whole contact surface, and the pressure of each point on the contact surface is less, is difficult to press the deformation with the end awl. The copying surface is also arranged on the outer surface of the end cone corresponding to the clamping jaw, when the clamping jaw clamps the end cone, the copying surface is in surface contact with the outer surface of the end cone, the contact area of the positioning surface is large, eccentricity is not easy to occur, and the positioning precision is high; and because area of contact is big, the clamp force dispersion is on whole contact surface, and the pressure of each point on the contact surface is less, is difficult to press the deformation with the end awl. The inner lining block and the clamping jaw are replaceable structures, and the structures of the inner lining block and the clamping jaw can be selected according to the actual size and shape of a workpiece; the profiling surfaces on the inner lining block and the clamping jaws can be flexibly arranged according to the shape of a specific workpiece, the replacement is convenient, and the adaptability is good.
The utility model discloses a be equipped with the location arch on one of them piece lining piece, the protruding technology trompil corresponding with the end awl internal surface in location, the location is protruding to be spacing to end awl circumference with the coincidence of technology trompil, and the end awl can not take place the skew because of circumferential motion after by spacing, ensures the accuracy nature of end awl location.
The profiling positioning blocks of the flange positioning module are symmetrically arranged along the positioning center line of the flange positioning module in the left-right direction, and during positioning, the inner surface of the profiling groove tightly holds the outer surface of the flange, so that on one hand, the tightly holding and laminating area is large, the flange is not easy to generate eccentricity, and the positioning precision is high; on the other hand, the holding force is distributed on the whole surface of the flange, and the pressure on each point of the surface is small, so that the flange is not easy to deform under pressure.
The utility model discloses an it has the insert to inlay on the reference block, inserts and to adopt soft metal material, when laminating with the flange surface, is difficult to crush the flange surface, in welding process, can also derive the heat that the welding produced fast to reduce the heat altered shape that the flange produced in welding process.
The utility model discloses a first guide block, second guide block play the effect of supporting the direction to the end awl when end awl is upper and lower, ensure the accurate positioning of end awl orientation module to the end awl.
The utility model discloses a connecting plate center department is fixed with the cover of preventing splashing, at end awl and flange welded in-process, can prevent that splashing that the welding produced can not get into the inside of end awl and influence the inside smooth finish of end awl.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an exploded view of an end cone positioning module.
Fig. 3 is a perspective view of the pawl.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is a perspective view of the switch block.
Fig. 6 is a perspective view of the basic block.
Fig. 7 is a perspective view of the first inner pad.
Fig. 8 is a perspective view of the second inner pad.
FIG. 9 is a rear view of the flange positioning module.
Fig. 10 is an exploded view of a reference block.
In the figure: 1. a base; 2. a first base; 3. a second base; 4. a first slider; 5. a first slide rail; 6. a support plate; 7. a joint; 8. a pull rod mechanism; 9. a cylinder; 10. a vertical plate; 11. a base block; 12. a claw; 13. end cone; 14. positioning blocks; 15. a reference block; 16. a main shaft; 17. dividing into blocks; 18. a connecting plate; 19. a first inner pad; 20. a second inner pad; 21. a first guide block; 22. a second guide block; 23. a splash guard; 24. a straight plate; 25. a guide plate; 26. a second slide rail; 27. a support plate; 28. a first counterbore; 29. an insert; 30. clamping a head; 31. a connecting rod; 32. a first open slot; 33. a first contoured surface; 34. a sleeve; 35. a branch plate; 36. a second counterbore; 37. a support plate; 38. a second open slot; 39. a second contoured surface; 40. positioning the projection; 41. a groove; 42. a third contoured surface; 43. profiling grooves; 44. a first connection hole; 45. a second connection hole; 46. a pull rod seat; 47. a sliding seat.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, a vertical plate-shaped second base 3 and a square first base 2 are arranged on a base 1 from front to back, a flange positioning module and an end cone positioning module are respectively arranged above the second base 3 and the first base 2, the end cone positioning module is used for positioning and clamping an end cone 13, and the flange positioning module is used for positioning and clamping a flange; the positioning center line of the flange positioning module and the positioning center line of the end cone positioning module are coaxially arranged, so that the coaxiality matching requirement of the end cone and the flange is ensured.
As shown in fig. 1, a supporting plate 6 of the end cone positioning module is slidably disposed on two first slide rails 5 on the top surface of the first base 2 through a plurality of first slide blocks 4 on the bottom surface, a vertical plate 10 is fixed on the top surface of the supporting plate 6, and a cylinder 9 is disposed on the rear end surface of the vertical plate 10. As shown in fig. 2, the rear end of the main shaft 16 at the center of the cylinder 9 penetrates through the cylinder 9 to be connected with the joint 7, the joint 7 is connected with the pull rod mechanism 8, the pull rod mechanism 8 is fixed on the rear end surface of the cylinder 9 through the pull rod seat 46, and the pull rod mechanism 8 can be pulled back and forth under the manual control or can be pulled back and forth under the automatic control of a corresponding device; the pull rod mechanism 8 pushes forwards to drive the main shaft 16 to slide backwards to pre-tighten the workpiece, and the main shaft 16 can be further driven to slide backwards through the air cylinder 9, so that the workpiece is locked. The riser 10 is passed to 16 front ends of main shaft, and the pole portion periphery that wears out is equipped with outward in proper order from interior to be equipped with to piece 17, basic piece 11, and basic piece 11 is fixed on the preceding terminal surface of riser 10, and basic piece 11 periphery articulates there is three jack catch 12, and three jack catch 12 fixes a position the chucking to the surface of end awl 13.
As shown in fig. 3, the head 30 of the jaw 12 is sleeved on the end of one end of an approximately L-shaped connecting rod 31 and fixed on the end of the connecting rod 31 through a fastener; the thickness of the connecting rod 31 is t1The other end of the connecting rod 31 is provided with a square first opening groove 32, and the width of the first opening groove 32 is b1(ii) a The end of the connecting rod 31 located in the first opening groove 32 is provided with a first connecting hole 44 and a second connecting hole 45, and the first connecting hole 44 is a runway-shaped hole. As shown in fig. 4, the chuck 30 has a first profiling surface 33 corresponding to the outer surface of the end cone 13, when the jaws 12 clamp the end cone 13, the first profiling surface 33 is completely attached to the end cone 13, and the first profiling surface and the end cone 13 are in surface contact, so that the contact area is large, eccentricity is not easy to occur, and the positioning accuracy is high; and because area of contact is big, the clamp force dispersion is on whole contact surface, and the pressure of each point on the contact surface is less, is difficult to press the deformation with the end awl.
As shown in FIG. 5, the middle part of the branch block 17 is a sleeve 34, three branch plates 35 are uniformly protruded outwards along the circumferential direction on the outer circumferential surface of the sleeve 34, and the thickness t of each branch plate 352Width b of first opening groove 32 of connecting rod 31 of jaw 121When the main shaft 16 drives the branch block 17 to move, the connecting piece can move along the first connecting hole 44 and drive the clamping jaw 12 to rotate; the track-shaped first connecting hole 44 can ensure that the main shaft 16 has enough moving stroke while ensuring that the claw 12 has enough moving freedom in moving along with the branch block 17.
As shown in FIG. 6, a second counter bore 36 is opened on the end face of one side of the foundation block 11 facing the branch block 17, and the branch block 17 is sleeved in the second counter bore 36 and can be sunk in the second counter boreThe holes 36 slide back and forth; three groups of support plates 37 protrude from the periphery of the base block 11 corresponding to the three claws 12, each group of support plates 37 is provided with a second open slot 38, and the width b of each second open slot 382Thickness t of connecting rod 31 to jaw 121In match, the connecting rod 31 passes through the second opening groove 38, and is hinged on the support plate 37 through a pin shaft at the second connecting hole 45 of the connecting rod 31. As shown in fig. 2, a connecting plate 18 is fixed on the front end surface of the base block 11, a first inner pad 19 and two second inner pads 20 are uniformly arranged on the connecting plate 18 along the circumferential direction through a sliding seat 47, the sliding seat 47 is fixed on the front end surface of the connecting plate 18, the first inner pad 19 and the second inner pad 20 are respectively arranged on the front end surface of the corresponding sliding seat 47 in a sliding manner, the first inner pad 19 and the second inner pad 20 are connected with a corresponding driving device (not shown in the figure), and when the end cone 13 is positioned and clamped, the driving device can drive the first inner pad 19 and the second inner pad 20 to slide on the sliding seat 47 along the radial direction of the main shaft 16 and abut against the inner surface of the end cone 13. The jack catch 12 and the inside lining block are respectively positioned from the outer surface and the inner surface of the end cone 13, the inside lining block provides support, the jack catch 12 provides clamping, the jack catch and the inside lining block are matched with each other, clamping force can be better applied to the end cone 13, the end cone 13 is more firmly fixed, the end cone 13 is not easy to be eccentric, and the requirement of the positioning accuracy of the end cone 13 is met. Moreover, because the inner surface of the end cone 13 is additionally provided with a supporting function, when the end cone 13 is clamped tightly, the surface is not easy to deform, the requirement on the flatness of the surface is ensured, the requirement on the sealing property of the end cone 13 is ensured, and the risk of air leakage is reduced; the first inner pad 19 and the second inner pad 20 correspond to one claw 12 respectively, when the claws 12 clamp, each clamping surface corresponds to a supporting point, and the clamping force acts on the supporting surface of the inner pad, so that the surface of the end cone 13 is not easy to deform. The center of the connecting plate 18 is fixed with a splash-proof cover 23 in a forward protruding mode, and in the process of welding the end cone 13 and the flange, splash generated by welding can be prevented from entering the interior of the end cone 13 to affect the finish degree of the interior of the end cone 13. As shown in fig. 1 and 2, a first guide block 21 and a second guide block 22 are vertically fixed on the top surface of the first base 2 in front of the supporting plate 6, the first guide block 21 and the second guide block 22 are arranged symmetrically along the positioning center line of the end cone positioning module, and when the end cone 13 is loaded, the end cone is aligned with the end cone 13The end cone 13 plays a role in supporting and guiding, and accurate positioning of the end cone 13 by the end cone positioning module is ensured.
As shown in fig. 7, the inner surface of the first inner pad 19 corresponding to the end cone 13 has a second contour surface 39, the second contour surface 39 is provided with a groove 41, a positioning protrusion 40 is fixedly arranged in the groove 41, the positioning protrusion 40 corresponds to a process opening on the inner surface of the end cone 13, the positioning protrusion 40 is overlapped with the process opening to circumferentially limit the end cone 13, the end cone 13 cannot deviate due to circumferential movement after being limited, and the accuracy of positioning the end cone is ensured. As shown in fig. 8, the inner surface of the second lining block 20 corresponding to the end cone 13 has a third profile surface 42 facing the outer periphery. The second contour surface 39 of the first inner pad 19 and the third contour surface 42 of the second inner pad 20 are in surface contact with the inner surface of the end cone 13, so that the contact area of the positioning surfaces is large, the eccentricity is not easy to occur, and the positioning precision is high; and because area of contact is big, the clamp force dispersion is on whole contact surface, and the pressure of each point on the contact surface is less, is difficult to press the deformation with the end awl.
As shown in fig. 1, a reference block 15 of the flange positioning module is fixed on the second base 3, a central through hole is formed in the center of the reference block 15, as shown in fig. 9, two guide plates 25 are slidably arranged on the rear surface of the second base 3 through a second slide rail 26, a straight plate 24 is respectively fixed on each guide plate 25, a profile modeling positioning block 14 is fixed at the upper end of each straight plate 24, a profile modeling groove 43 is formed in the positioning block 14 corresponding to the outer surface of the flange, the profile modeling grooves 43 of the left positioning block 14 and the right positioning block 14 are symmetrically arranged along the positioning center line of the flange positioning module in the left-right direction, and during positioning, the inner surface of the profile modeling groove 43 tightly holds the outer surface of the flange, so that on one hand, the tightly holding; on the other hand, the holding force is distributed on the whole surface of the flange, and the pressure on each point of the surface is small, so that the flange is not easy to deform under pressure. As shown in fig. 10, the upper portion of the reference block 15 is a vertical support plate 27, the support plate 27 is provided with a first counter bore 28, an insert 29 is embedded in the first counter bore 28, the insert 29 is provided with a central hole, when positioning is performed, the inner surface of the central hole is attached to the outer surface of the flange, the insert 29 can be made of a soft metal material, such as brass, and when being attached to the outer surface of the flange, the outer surface of the flange is not easily crushed, and in the welding process, heat generated by welding can be quickly led out, so that thermal deformation of the flange in the welding process is reduced.
The utility model discloses when in actual use, at first carry out end awl 13 material loading: the pull rod mechanism 8 is slightly pulled backwards, the branch block 17 is driven by the joint 7 and the main shaft 16 to slide forwards in the base block 11, the clamping jaws 12 rotate around a pin shaft on the base block 11, the three clamping jaws 12 are opened, the end cone 13 is placed on the first guide block 21 and the second guide block 22, and a process opening in the end cone 13 corresponds to the position of the positioning protrusion 40 of the first inner lining block 19; then, the pull rod mechanism 8 is pushed forwards slightly, the branch block 17 is driven by the joint 7 and the main shaft 16 to slide backwards in the base block 11, the clamping jaw 12 rotates around the pin shaft to clamp and fix the end cone 13, and pre-tightening is completed; and then the first inner lining block 19 and the second inner lining block 20 are driven by corresponding driving devices to slide towards the end cone 13 along the sliding seat 47 to tightly push against the inner surface of the end cone 13, and meanwhile, the main shaft 16 is further driven by the air cylinder 9 to slide backwards, so that the clamping jaws 12 are driven to further lock the end cone 13, and the positioning and clamping of the end cone 13 are completed. Then, flange feeding is carried out: the flange is placed in the central through hole of the reference block 15, the left guide plate 25 and the right guide plate 25 drive the two profiling positioning blocks 14 to approach towards the middle along the second slide rail 26, and the profiling grooves 43 of the profiling positioning blocks 14 tightly lock the outer surface of the flange, so that the flange is positioned and clamped. After the end cone 13 and the flange are fed, the end cone positioning mechanism moves towards the flange along the first sliding rail 5 until the end cone 13 is inserted into the flange, and then the subsequent welding process can be carried out. Because the end cone 13 and the flange are positioned by surface contact, the positioning precision is high, the end cone 13 and the flange are not easy to deform by pressing, the flatness requirements of the surfaces of the end cone 13 and the flange are ensured, and the sealing requirement of a pipeline is ensured.
The above description is illustrative of the present invention and is not intended to limit the present invention, and the present invention may be modified in any manner without departing from the spirit of the present invention. For example, the outer periphery of the base block 11 of the end cone positioning module may also be provided with a plurality of jaws 12, the branch block 17 is correspondingly provided with a plurality of outward-protruding branch plates 35, and the connecting plate 18 is correspondingly provided with a first inner filler block 19 and a plurality of second inner filler blocks 20, so long as the purpose of positioning and clamping from the inner surface and the outer surface of the end cone can be achieved.
Claims (10)
1. The utility model provides an end cone flange welding frock which characterized in that: the base (1) is provided with an end cone positioning module and a flange positioning module, the positioning center line of the flange positioning module and the positioning center line of the end cone positioning module are coaxially arranged, a plurality of clamping jaws (12) of the end cone positioning module are hinged to the periphery of a foundation block (11), the clamping jaws (12) are connected to a branch block (17), the branch block (17) is connected with one end of a main shaft (16), a driving mechanism drives the main shaft (16) to do linear reciprocating motion, the main shaft (16) drives the clamping jaws (12) to rotate by taking a hinge joint with the foundation block (11) as a center through the branch block (17), a connecting plate (18) is fixed on the end face of one end of the foundation block (11), and a plurality of inner filler blocks are arranged on the connecting plate (18); when the end cone is positioned, the plurality of clamping jaws (12) and the lining block clamp and loosen the end cone from the outer surface and the inner surface of the end cone respectively.
2. The end cone flange welding tool of claim 1, characterized in that: the lining blocks are arranged on the connecting plate (18) in a sliding manner and can move along the radial direction of the main shaft (16); each inner pad corresponds to one claw (12).
3. The end cone flange welding tool of claim 1, characterized in that: the lining blocks and the clamping jaws (12) in each block are provided with profiling surfaces, and when the end cone is positioned, the profiling surfaces are matched with the inner surface and the outer surface of the end cone.
4. The end cone flange welding tool of claim 1, characterized in that: one of the inner lining blocks is provided with a positioning bulge (40).
5. The end cone flange welding tool of claim 1, characterized in that: the flange positioning module is characterized in that a reference block (15) is fixed on a second base (3) on a base (1), a central through hole is formed in the center of the reference block (15), two positioning blocks (14) are arranged on the second base (3) in a sliding mode through a guide plate (25) and a straight plate (24), and when the flange is positioned, the two positioning blocks (14) are tightly attached to the outer surface of the flange.
6. The end cone flange welding tool of claim 5, characterized in that: an insert (29) is embedded in a reference block (15) of the flange positioning module, a central hole is formed in the insert (29), and the inner surface of the central hole is attached to the outer surface of the flange during positioning; the insert (29) is made of soft metal material.
7. The end cone flange welding tool of claim 1, characterized in that: end awl orientation module passes through layer board (6) and slides and locates on first base (2), be fixed with riser (10) on layer board (6), the one end of riser (10) is fixed with basic piece (11), the other end is equipped with cylinder (9), main shaft (16) one end at cylinder (9) center is passed cylinder (9) and is connected with drawbar mechanism (8), main shaft (16) other end is passed from riser (10) and is connected to piece (17), divide to piece (17) to be located between basic piece (11) and main shaft (16).
8. The end cone flange welding tool of claim 1, characterized in that: the front end of the end cone positioning module, which is close to the flange positioning module, is fixed with a first guide block (21) and a second guide block (22), and the first guide block (21) and the second guide block (22) are symmetrically arranged along the positioning central line of the end cone positioning module.
9. The end cone flange welding tool of claim 1, characterized in that: an anti-splash cover (23) is fixed at the center of the connecting plate (18).
10. The end cone flange welding tool of claim 1, characterized in that:
a second counter bore (36) is formed in the foundation block (11) corresponding to the block (17), a plurality of groups of support plates (37) protrude from the periphery of the foundation block (11) corresponding to the plurality of clamping jaws (12), and a second open slot (38) is formed between each group of support plates (37);
a plurality of branch plates (35) are arranged on the branch block (17) corresponding to the plurality of clamping jaws (12);
the clamping jaw (12) comprises a clamping head (30) and a connecting rod (31), the clamping head (30) is fixed at one end of the connecting rod (31), a first open slot (32) is formed in the other end of the connecting rod (31), a first connecting hole (44) and a second connecting hole (45) which are communicated are formed in the end portion of the connecting rod (31), and the first connecting hole (44) is a runway-shaped hole;
the width of the first opening groove (32) is b1The thickness t of the branch plate (35)2The branch plates (35) are inserted into the first opening grooves (32) and connected to the connecting rods (31) in a matching manner; thickness t of the connecting rod (31)1Width b of the second opening groove (38)2And the connecting rod (31) passes through the second opening groove (38) and is hinged on the support plate (37).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921511025.2U CN210388141U (en) | 2019-09-11 | 2019-09-11 | End cone flange welding tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921511025.2U CN210388141U (en) | 2019-09-11 | 2019-09-11 | End cone flange welding tool |
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| Publication Number | Publication Date |
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| CN210388141U true CN210388141U (en) | 2020-04-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814637A (en) * | 2021-10-08 | 2021-12-21 | 安徽达必立新能源科技有限公司 | Auxiliary centering device for welding tower drum flange |
-
2019
- 2019-09-11 CN CN201921511025.2U patent/CN210388141U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814637A (en) * | 2021-10-08 | 2021-12-21 | 安徽达必立新能源科技有限公司 | Auxiliary centering device for welding tower drum flange |
| CN113814637B (en) * | 2021-10-08 | 2023-10-31 | 蓬莱大金海洋重工有限公司 | Auxiliary centering device for welding tower barrel flange |
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