CN208895487U - Pipe fitting group is to equipment - Google Patents

Abstract

The utility model discloses a kind of pipe fitting groups to equipment, the pipe fitting group to equipment include to mounting flange branch fastener frame, be set to the support head forward to carry the movable support bracket of straight tube and for the movable support bracket it is mobile so that the straight tube is in the first guide rail on front-rear direction close to or far from the flange；The branch fastener frame includes a frame pedestal, the head frame ontology being set at the top of the head frame pedestal and is set to the chuck assembly for being used for mounting flange on front side of the head frame ontology；The branch fastener frame also has the position adjustment component for adjusting the flange position so that the flange axial line is overlapped with the straight tube axial line；Specific design structure based on position adjustment component can be from the positional relationship between multiple angular adjustment flanges and straight tube, to effectively ensure the assembling precision between flange and straight tube in the group of flange and straight tube in the process.

Description

Pipe fitting group is to equipment

Technical field

The utility model relates to pipe fitting assembly fields more particularly to a kind of pipe fitting group to equipment.

Background technique

During pipe fitting modularization is prefabricated, flange and straight tube, (or the connection of the other forms such as threeway of straight tube and elbow Component) etc. need to carry out positioning group pair before being welded and fixed between each components, accurately positioning group is to can effectively improve pipe fitting The quality of module finished product.So in the prior art, it since mobility of the pipe fitting group to equipment is not high, is difficult in the specific application process Meets the needs of higher precision positioning group pair between each components of pipe fitting module；And the pipe fitting group of the prior art is general to equipment It is that the specific size of each part of specific model pipe fitting module is combined to be designed, bad adaptability.

In view of this, it is necessary to provide a kind of improved pipe fitting group to equipment to solve the above problems.

Utility model content

The utility model aims to solve at least one of technical problem of the existing technology, to realize above-mentioned utility model mesh , the utility model provides a kind of pipe fitting group to equipment, and specific design method is as follows.

A kind of pipe fitting group to equipment, including to mounting flange branch fastener frame, be set to the support head forward and use With carry the movable support bracket of straight tube and for the movable support bracket it is mobile so that the straight tube on front-rear direction close to or far from First guide rail of the flange；The branch fastener frame include a frame pedestal, the head frame ontology being set at the top of the head frame pedestal, And it is set to the chuck assembly that mounting flange is used on front side of the head frame ontology；The branch fastener frame also has the adjustment method So that the position adjustment component that the flange axial line is overlapped with the straight tube axial line, the position adjusts component packet for blue position It includes the translational controlling mechanism for driving the relatively described head frame pedestal of the head frame ontology to move left and right, drive the chuck assembly along one The revolving and adjusting mechanism and driving of the shaft axis rotation of front and back direction moves down on the relatively described head frame ontology of the chuck assembly Dynamic lifting regulating mechanism.

Further, the head frame pedestal is set on first guide rail, and it further includes driving institute that the position, which adjusts component, State the advance and retreat regulating mechanism that a frame pedestal is moved forward and backward along first guide rail.

Further, the chuck assembly include around the shaft axis rotation chuck seat, centered on the shaft axis The even several claws being distributed on the chuck seat and several relatively described shaft axis distances of the claw of synchronous adjustment are to press from both sides It holds the flange outer wall or holds out against the jaw adjustment mechanism of the flange inner wall.

Further, the jaw adjustment mechanism includes the nut being fixedly connected with each claw, matches with the nut It closes and the screw rod for driving the separate or close shaft axis of the claw in rotation and the screw rod is close to the shaft axis one The first bevel gear being fixedly connected is held, is rotated around the shaft axis and is engaged simultaneously with all first bevel gears and is driven with synchronous The second bevel gear of the dynamic all described screw rod rotation and the first motor of the driving second bevel gear rotation.

Further, Yu Suoshu claw is directed toward on the direction of the shaft axis, and the front side surface of the claw is in gradually to be lifted It is step-like.

Further, be additionally provided on the chuck seat the claw clamp or hold out against before the flange to the flange into Row pre-determined bit positioning mechanism, the positioning mechanism include be fixed on the chuck seat and length direction extension line pass through described in The slideway of shaft axis and the sliding block for moving and being securable on the slideway along the slideway length direction, table before the sliding block Projection, which is formed with, forward can be inserted into the lateral opening interior support rod to support the flange of the flange.

Further, the head frame ontology has the chuck seat mounting plate being located on rear side of the chuck seat, and the revolution is adjusted Mechanism includes be fixed on the chuck seat close to chuck seat mounting plate side using the shaft axis as rotation center first Gear is set to the second tooth engaged with the first gear on the chuck seat mounting plate to drive the first gear rotation Wheel and the second motor of the driving second gear rotation.

Further, the head frame ontology has the chuck seat mounting plate being located on rear side of the chuck seat, the lift adjustment Mechanism includes moving up and down the gear for being set to the clump weight of the head frame body interior, being set to the head frame bodies top Group, the third motor of the driving gear set operation and both ends are respectively connected to the chuck seat mounting plate and the counterweight The chain of block, the chain and the gear set cooperate to promote or reduce the chuck assembly when the gear set is run Level height.

Further, left and right is led towards second moved left and right for the head frame ontology is provided at the top of the head frame pedestal Rail, the translational controlling mechanism include be fixed on the first rack gear parallel with second guide rail at the top of the head frame pedestal and The head frame body bottom portion is fixed on to be engaged with first rack gear to drive the head frame ontology along described second in rotation The mobile third gear of guide rail.

Further, the advance and retreat regulating mechanism includes being fixed on first guide rail and the first guide rail extending direction Consistent second rack gear and being set on a frame pedestal is engaged with second rack gear to drive the head frame base in rotation The 4th gear that seat is moved along first guide rail.

Further, the movable support bracket includes the mobile Mobile base being set on first guide rail and is set to described It is used to support the straight tube on Mobile base and limits the length of straight pipe direction and the consistent branch of the first guide rail extending direction Support part, the support portion include that left and right is oppositely arranged for cooperating a pair of of the scroll wheel for rolling the straight tube.

Further, what is be spaced on first guide rail is provided at least two movable support brackets.

Further, the scroll wheel at least one described movable support bracket is connected with the 4th motor for driving it to rotate.

Further, the pipe fitting group further includes being set in front of the movable support bracket for carrying elbow or threeway to equipment Plummer, the plummer have around vertical axes rotate so that the elbow or threeway Single port are docked to the straight tube port Turntable.

Further, the pipe fitting group also has the third guide rail perpendicular to first guide rail setting to equipment, described to hold Microscope carrier is mobile to be set on the third guide rail.

The beneficial effects of the utility model are: based on pipe fitting group involved by the utility model to the structure of equipment, in flange It, can be from the positional relationship between multiple angular adjustment flanges and straight tube, to effectively ensure method with the group of straight tube in the process Assembling precision between blue and straight tube；In addition, pipe fitting group involved in the utility model can adapt in large-scale and again equipment The group of type pipe fitting can effectively improve pipe to the frequency of use that can reduce driving in the course of work to work, and at specific group The efficiency of part group pair.

Detailed description of the invention

Fig. 1 show the utility model pipe fitting group to a kind of overall structure diagram of equipment；

Fig. 2 show pipe fitting group to a kind of specific group of equipment to application schematic diagram；

Fig. 3 show the status diagram of branch fastener frame mounting flange；

Fig. 4 show a kind of implementation structural schematic diagram of chuck assembly；

Fig. 5 show the enlarged diagram of the part b in Fig. 4；

Fig. 6 show the cooperation schematic diagram of chuck assembly and revolving and adjusting mechanism；

Fig. 7 show the enlarged diagram of the part c in Fig. 6；

Fig. 8 show the first angle schematic diagram after branch fastener frame removal part；

Fig. 9 show the enlarged diagram of the part d in Fig. 8；

Figure 10 show the second angle schematic diagram after branch fastener frame removal part；

Figure 11 show the enlarged diagram of the part e in Figure 10；

Figure 12 show a kind of structural schematic diagram of translational controlling mechanism；

Figure 13 show the third angle schematic diagram of branch fastener frame；

Figure 14 show the enlarged diagram of the part f in Figure 13；

Figure 15 show the enlarged diagram of the part a in Fig. 1；

Figure 16 show a kind of structural schematic diagram of plummer.

Specific embodiment

The utility model is described in detail below with reference to each implementation structure shown in the drawings, please refers to Fig. 1 to figure It is some preferable implementation structures of the utility model shown in 16.

Refering to what is shown in Fig. 1, pipe fitting group involved in the utility model includes branch fastener frame 31, mobile support to equipment 300 Frame 32 and the first guide rail 310.As shown in connection with fig. 2, branch fastener frame 31 is used for mounting flange 30, and movable support bracket 32 is set to support For carrying straight tube 10 in front of head frame 31, mobile be set on the first guide rail 310 of movable support bracket 32 can drive straight tube 10 in front and back Close to or far from flange 30 on direction.

Refering to what is shown in Fig. 3, branch fastener frame 31 includes head frame pedestal 311, the head frame ontology for being set to 311 top of a frame pedestal 312 and be set on front side of a frame ontology 312 be used for mounting flange 30 chuck assembly 313.

For between flange 30 and straight tube 10 to have before being welded and fixed more accurately group to relationship, branch fastener frame 311 also have adjustment 30 position of flange so that the position adjustment component that 30 axial line of flange is overlapped with 10 axial line of straight tube.Specifically Ground, position adjustment component include driving a frame ontology 312 with respect to the translational controlling mechanism that frame pedestal 311 moves left and right, driving Chuck assembly 313 is along the shaft axis L of the front and back direction revolving and adjusting mechanism rotated and drives chuck assembly 313 with respect to head The lifting regulating mechanism that frame ontology 312 moves up and down.

Based on pipe fitting group involved by the utility model to the structure of equipment 300, in the group of flange 30 and straight tube 10 to process In, it can be from the positional relationship between multiple angular adjustment flanges 30 and straight tube 10, to effectively ensure flange 30 and straight tube 10 Between assembling precision.The subsequent welding quality that link is welded and fixed can be so ensured in actual application.In addition, being based on The utility model pipe fitting group can adapt to the group in large-scale and heavy pipe fitting to work to the composition structure of equipment, and have Body group can effectively improve the efficiency of pipe fitting group pair to the frequency of use that can reduce driving in the course of work.

As a kind of preferred embodiment of the utility model, the head frame pedestal of branch fastener frame 31 involved by the utility model 311 are set on the first guide rail 310, and it further includes that a frame pedestal 311 is driven to be moved forward and backward along the first guide rail 310 that position, which adjusts component, Advance and retreat regulating mechanism.

Refering to what is shown in Fig. 4, chuck of the chuck assembly 313 involved in this specific embodiment including the axis L rotation that rotates Seat 3131, several claws 3132 being uniformly distributed in centered on shaft axis L on chuck seat 3131 and several cards of synchronous adjustment Pawl 3132 is with respect to shaft axis L distance to clamp 30 outer wall of flange or hold out against the jaw adjustment mechanism of 30 inner wall of flange.

In the utility model, several claws 3132 can abut 30 periphery wall of flange to 30 shape of flange by ecto-entad simultaneously At gripping, it is also possible to abut 30 internal perisporium of flange from inside to outside simultaneously to hold out against fixation to the formation of flange 30.As this A kind of preferred embodiment of utility model, chuck assembly 313 includes three claws 3132 in the utility model.

With reference to shown in Fig. 4, Fig. 5, the jaw adjustment mechanism in the present embodiment includes being fixedly connected with each claw 3132 Nut 3133 drives claw 3132 separate or screw rod 3134 and silk close to shaft axis L with the cooperation of nut 3133 and in rotation First bevel gear 3135 that bar 3134 is fixedly connected close to the one end shaft axis L, the axis L that rotates rotation and with whole first bevel gears 3135 engagements simultaneously are with the synchronous second bevel gear 3136 for driving whole screw rods 3134 to rotate.Wherein, the front end of nut 3133 is solid Surely it is connected with a claw mounting plate 31320, claw 3132 is fixed on the claw mounting plate 31320 with nut 3133 along screw rod 3134 length directions are mobile.

In conjunction with shown in Fig. 6, Fig. 7, the jaw adjustment mechanism in the present embodiment further includes that driving second bevel gear 3136 rotates First motor 3137.Specifically, the power output end of first motor 3137 is connected to by a shaft (not shown) Two bevel gears 3136 with drive second bevel gear 3136 rotate axis L rotation.

In the specific implementation process of the present embodiment, chuck seat 3131, which is also formed, several to be had and 3134 extending direction one of screw rod It causes and nut 3133, screw rod 3134 is contained in internal container 3130, which can be to claw mounting plate 31320 form guiding, so that 3132 even running of claw being fixed on claw mounting plate 31320.

With reference to shown in Fig. 4, Fig. 6, in this specific embodiment, in claw 3132 be directed toward shaft axis L direction on, claw 3132 Front side surface in be gradually lifted it is step-like.In this way, abutting 30 internal perisporium of flange from inside to outside to flange in claw 3132 When formation holds out against fixed, what co-located claw 3123 was adapted to different inner diameters size flange 30 holds out against fixation.

To make flange 30 that can be located approximately at 313 corresponding position of chuck assembly before fixed by claw 3132, this It is additionally provided on chuck seat 3131 in embodiment and flange 30 is pre-positioned before claw 3132 clamps or holds out against flange 30 Positioning mechanism.With reference to shown in Fig. 4, Fig. 6, positioning mechanism includes the slideway 3138 being fixed on chuck seat 3131 and along slideway The sliding block 3139 they 3138 length directions movement and be securable on slideway 3138, the length direction extension line of slideway 3138 is by turning Axis L；Projection is formed in pluggable flange 30 lateral opening 301 with the support rod of pivot flange 30 3139 front surface of sliding block forward 31390。

Based on this, when being pre-positioned to flange 30, rotating chuck seat 3131 is so that the direction straight up of slideway 3138 (orientation with reference to shown in Fig. 3, Fig. 4), is designed according to the specific size of flange 30, along the length direction adjusting slider of slideway 3138 3139 make it be fixed on suitable position, flange 30 hung over by one lateral opening 301 can be formed on support rod 31390 it is predetermined Position.It is understood that when flange 30 is in the position of pre-determined bit, axial line is close to shaft axis L or position in the utility model In on shaft axis L.

In conjunction with shown in Fig. 6, Fig. 7, Fig. 8, head frame ontology 312 has the chuck seat mounting plate for being located at 313 rear side of chuck seat 3121, revolving and adjusting mechanism involved in this embodiment includes being fixed on chuck seat 3131 close to chuck seat mounting plate 3,121 1 Side using shaft axis L as the first gear 3141 of rotation center, be set on chuck seat mounting plate 3121 and nibbled with first gear 3141 Close the second motor that second gear 3142 and the driving second gear 3142 to drive first gear 3141 to rotate rotate 3143。

In specific implementation process, the second motor 3143 is fixed on 3121 rear side of chuck seat mounting plate, passes through a gearbox 3144 driving second gears 3142 rotate.In addition, first motor 3137 referred to above in the present embodiment is also securable to card 3121 rear side of disk seat mounting plate.

With reference to shown in Fig. 8, Fig. 9, the lifting regulating mechanism in the present embodiment includes moving up and down to be set to a frame ontology 312 The clump weight 3151 of inside, the gear set for being set to 312 top of a frame ontology, the third motor for driving the gear set to run 3155 and both ends be respectively connected to the chain 3154 of chuck seat mounting plate 3121 Yu clump weight 3151.Specifically, gear set It is constituted including the driving gear 3153 directly driven by third motor 3155 and the driven gear 3152 rotated with chain 3154, Driving gear 3153, driven gear 3152 upside simultaneously with upward branch is formed to chain 3154 with merging on the downside of chain 3154 Support；The both ends of chain 3154 extend from the both sides of the edge that driving gear 3153, driven gear 3152 deviate from vertically downward respectively, and It forms a fixed connection respectively with chuck seat mounting plate 3121, clump weight 3151.

Embodiment is selected as one kind, refering to what is shown in Fig. 8, clump weight 3151 referred to above in the utility model, Gear set, chain 3154 are arranged in pairs and what left and right was opposite is distributed on branch fastener frame 31, and third motor 3155 is located at two There are two driving gear 3153 and tools synchronizes the output end for driving driving gear 3153.In head frame ontology 312 in the present embodiment It is additionally provided with the sliding rail (not indicating in figure) moved up and down for limiting clump weight 3151.

When third motor 3155 starts, the rotation of driving gear 3153, under the cooperation of driven gear 3152, chain are directly driven Chuck seat mounting plate 3121, the clump weight 3151 at 3154 both ends of item are mobile in direction on vertical direction, to realize chuck assembly The promotion or reduction of level height.

With reference to shown in Figure 10, Figure 11, Figure 12, left and right direction is provided with for head at the top of the head frame pedestal 311 in the present embodiment The second guide rail 3111 that frame ontology 312 moves left and right, translational controlling mechanism include being fixed on 311 top of a frame pedestal to lead with second It the first parallel rack gear 3161 of rail 3111 and is fixed on 312 bottom of frame ontology and is engaged with the first rack gear 3161 when rotating The third gear 3162 that driving head frame ontology 312 is moved along the second guide rail 3111.

More specifically, with reference to shown in Figure 11,312 bottom of head frame ontology has bottom plate 3122, is provided on bottom plate 3122 The 5th motor 3163 that the sliding block and driving third gear 3162 slided on the second guide rail 3111 rotates.In the utility model Other embodiments in, position, which is arranged, in the first rack gear 3161 and third gear 3162 to exchange, i.e., consolidate the first rack gear 3161 Due on bottom plate 3122, and third gear 3162 is fixed on 311 top of a frame pedestal.

With reference to shown in Figure 13, Figure 14, advance and retreat regulating mechanism in the present embodiment includes being fixed on the first guide rail 310 and the Consistent second rack gear 3171 of one guide rail, 310 extending direction and being set on a frame pedestal 311 is engaged with the second rack gear 3171 With the 4th gear 3172 that driving head frame pedestal 311 is moved along the first guide rail 310 in rotation.Specifically, the 4th gear 3172 It is driven by the 6th motor 3173 being fixed on a frame pedestal 311.

In the utility model in the operation of branch fastener frame 31, the movement of claw 3132, the rotation of chuck seat 3131, chuck may be implemented Seat 3131 lifting, head frame ontology 312 translation and head frame pedestal 311 retreat five dimensions on movement, can satisfy flange 30, Accurate contraposition before straight tube 10 is welded and fixed in all directions, to realize high-precision group pair.

In conjunction with shown in Fig. 2, Figure 15, movable support bracket 32 involved in the utility model includes that movement is set to the first guide rail It Mobile base 321 on 310 and is set on Mobile base 321 and is used to support straight tube 10 and limits 10 length direction of straight tube and first The consistent support portion 322 of 310 extending direction of guide rail.

In this specific embodiment, support portion 322 includes that left and right is oppositely arranged for cooperating a pair of of the rolling for rolling straight tube 10 Wheel, a pair of of scroll wheel include the first scroll wheel 3221 and the second scroll wheel 3222.First scroll wheel 3221 and the second scroll wheel 3222 rotor shaft direction is consistent with 310 extending direction of the first guide rail, and the first scroll wheel 3221 is abutted with the second scroll wheel 3222 To the periphery wall of straight tube 10.When the first scroll wheel 3221 and the second scroll wheel 3222 rotate, straight tube 10 can be parallel to the around one The shaft of one guide rail, 310 extending direction rotates.

In this specific embodiment, in order to make straight tube 10 is stable to be carried on movable support bracket 32, first in the utility model What is be spaced on guide rail 310 is provided at least two movable support brackets 32.In this specific embodiment, with reference to shown in Fig. 1, Fig. 2, first is led There are two movable support brackets 32 for the setting being spaced on rail 310.

As one preferred embodiment of the utility model, the scroll wheel at least one movable support bracket 32, which is connected with, drives it 4th motor 323 of rotation.In addition, in some embodiments, two 32 first scroll wheels 3221 and second of movable support bracket roll The distance between wheel 3222 is adjustable, to adapt to the carrying of caliber size straight tube 10.

With reference to shown in Fig. 1, Fig. 2, pipe fitting group involved in the utility model further includes being set to movable support bracket to equipment 300 32 fronts are for carrying the plummer 33 of elbow 10a or threeway (not showing in figure).In conjunction with shown in Figure 16, plummer 33 have around Vertical axes L ' is rotated so that elbow 10a or threeway Single port are docked to the turntable 332 of 10 port of straight tube.Specifically, plummer 33 Also have and be located at the bearing base 331 that 332 lower section of turntable is rotated for turntable 332, motor driven can be used (in figure not in turntable 332 It shows).

As a kind of preferred embodiment of the utility model, pipe fitting group also has perpendicular to the first guide rail 310 equipment 300 The third guide rail 330 of setting, plummer 33 are mobile be set on the third guide rail 330.It is so relatively easy to realize straight tube 10 with elbow 10a (or threeway) in the contraposition on left and right directions.

It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book With the other embodiments of understanding.

Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model Equivalent implementations or change should be included within the scope of protection of this utility model.

Claims (15)

1. a kind of pipe fitting group is to equipment, which is characterized in that including to mounting flange branch fastener frame, be set to the branch fastener To carry the movable support bracket of straight tube and for the movable support bracket movement so that the straight tube is abutted up in front and back in front of frame Close or remote from the first guide rail of the flange；The branch fastener frame includes a frame pedestal, is set at the top of the head frame pedestal Head frame ontology and it is set to the chuck assembly that mounting flange is used on front side of the head frame ontology；The branch fastener frame also has The flange position is adjusted so that the position adjustment component that the flange axial line is overlapped with the straight tube axial line, the position Adjustment component includes the translational controlling mechanism for driving the relatively described head frame pedestal of the head frame ontology to move left and right, drives the card Disk component along a front and back direction shaft axis rotate revolving and adjusting mechanism and drive the relatively described head frame of the chuck assembly The lifting regulating mechanism that ontology moves up and down.

2. pipe fitting group according to claim 1 is to equipment, which is characterized in that the head frame pedestal is set to described first and leads On rail, it further includes that the head frame pedestal is driven to adjust machine along the advance and retreat that first guide rail is moved forward and backward that the position, which adjusts component, Structure.

3. pipe fitting group according to claim 1 or 2 is to equipment, which is characterized in that the chuck assembly includes around described turn The chuck seat of axis rotation, several claws being uniformly distributed in centered on the shaft axis on the chuck seat and synchronization The relatively described shaft axis distance of several claws is adjusted to clamp the flange outer wall or hold out against the claw of the flange inner wall Regulating mechanism.

4. pipe fitting group according to claim 3 is to equipment, which is characterized in that the jaw adjustment mechanism includes and each institute It states the nut and nut cooperation that claw is fixedly connected and drives the claw separate in rotation or the close shaft axis Screw rod, be fixedly connected close to described shaft axis one end with the screw rod first bevel gear, rotate around the shaft axis and with All the first bevel gear is engaged simultaneously described in synchronous the driving all second bevel gear and driving of the screw rod rotation The first motor of second bevel gear rotation.

5. pipe fitting group according to claim 4 is to equipment, which is characterized in that Yu Suoshu claw is directed toward the side of the shaft axis Upwards, the front side surface of the claw is step-like in being gradually lifted.

6. pipe fitting group according to claim 3 is to equipment, which is characterized in that be additionally provided on the chuck seat in the card The positioning mechanism being pre-positioned before the flange to the flange is held or held out against to claw clip, and the positioning mechanism includes being fixed on institute State on chuck seat and length direction extension line by the shaft axis slideway and moved along the slideway length direction and can The sliding block being fixed on the slideway, the slider front forward projection be formed with can be inserted into the flange it is lateral opening in support The support rod of the flange.

7. pipe fitting group according to claim 3 is to equipment, which is characterized in that the head frame ontology, which has, is located at the chuck The chuck seat mounting plate of seat rear side, the revolving and adjusting mechanism include being fixed on the chuck seat close to the chuck seat mounting plate Side using the shaft axis as the first gear of rotation center, be set on the chuck seat mounting plate and nibbled with the first gear Close the second gear to drive the first gear rotation and the second motor of the driving second gear rotation.

8. pipe fitting group according to claim 3 is to equipment, which is characterized in that the head frame ontology, which has, is located at the chuck The chuck seat mounting plate of seat rear side, the lifting regulating mechanism includes moving up and down the counterweight for being set to the head frame body interior Block, the gear set for being set to the head frame bodies top, the third motor of the driving gear set operation and both ends connect respectively It is connected to the chain of the chuck seat mounting plate and the clump weight, the chain and the gear set cooperate in the gear set The level height of the chuck assembly is promoted or reduced when operation.

9. pipe fitting group according to claim 1 or 2 is to equipment, which is characterized in that left and right direction at the top of the head frame pedestal It is provided with the second guide rail moved left and right for the head frame ontology, the translational controlling mechanism includes being fixed on the head frame pedestal It top first rack gear parallel with second guide rail and is fixed on the head frame body bottom portion and is engaged with first rack gear With the third gear for driving the head frame ontology to move along second guide rail in rotation.

10. pipe fitting group according to claim 2 is to equipment, which is characterized in that the advance and retreat regulating mechanism includes being fixed on On first guide rail with consistent second rack gear of the first guide rail extending direction and be set on a frame pedestal with it is described Fourth gear of the second rack gear engagement to drive the head frame pedestal to move along first guide rail in rotation.

11. pipe fitting group according to claim 1 or 2 is to equipment, which is characterized in that the movable support bracket includes mobile setting In the Mobile base on first guide rail and it is set on the Mobile base and is used to support the straight tube and limits the straight tube Length direction and the consistent support portion of the first guide rail extending direction, the support portion include that left and right is oppositely arranged for cooperating Roll a pair of of scroll wheel of the straight tube.

12. pipe fitting group according to claim 11 is to equipment, which is characterized in that is be spaced on first guide rail is provided with At least two movable support brackets.

13. pipe fitting group according to claim 11 is to equipment, which is characterized in that the institute at least one described movable support bracket It states scroll wheel and is connected with the 4th motor for driving it to rotate.

14. pipe fitting group according to claim 1 or 2 is to equipment, which is characterized in that the pipe fitting group further includes setting to equipment Be placed in front of the movable support bracket for carrying the plummer of elbow or threeway, the plummer have rotated around vertical axes so that The elbow or threeway Single port are docked to the turntable of the straight tube port.

15. pipe fitting group according to claim 14 is to equipment, which is characterized in that the pipe fitting group also has equipment vertically In the third guide rail of first guide rail setting, the plummer is mobile to be set on the third guide rail.