阅读说明：本技术 一种水泵座装配平台 (Water pump base assembly platform ) 是由 彭俊华 王程燚 张辉 于 2021-09-27 设计创作，主要内容包括：本发明公开了一种水泵座装配平台,包括水平设置的安装平台和安装在安装平台上表面的涂胶模块、直管安装模块和弯管安装模块,安装平台呈长条形,直管安装模块位于涂胶模块和弯管安装模块之间,涂胶模块、直管安装模块和弯管安装模块沿安装平台的长度方向均匀设置。采用本发明的显著效果是,先利用涂抹件对水泵座的孔洞进行涂抹,保证每次涂抹和用量均匀,在下一步的工序中保证夹持管件的过程中稳定准确,可及时依次完成对水泵座的直管安装和弯管安装,提高了水泵座各工序生产的连续性,有效提高管件安装的密封性和生产效率。(The invention discloses a water pump base assembling platform which comprises a horizontally arranged mounting platform, and a gluing module, a straight pipe mounting module and a bent pipe mounting module which are arranged on the upper surface of the mounting platform, wherein the mounting platform is in a strip shape, the straight pipe mounting module is positioned between the gluing module and the bent pipe mounting module, and the gluing module, the straight pipe mounting module and the bent pipe mounting module are uniformly arranged along the length direction of the mounting platform. The invention has the obvious effects that the hole of the water pump seat is coated by the coating piece, so that the coating and the use amount are uniform each time, the stability and the accuracy in the process of clamping the pipe fitting in the next step are ensured, the straight pipe installation and the bent pipe installation of the water pump seat can be completed in time and in sequence, the production continuity of each step of the water pump seat is improved, and the sealing property and the production efficiency of the pipe fitting installation are effectively improved.)

1. The utility model provides a water pump base mounting platform which characterized in that: the glue spreading and installing device comprises a horizontally arranged installing platform (1), and a glue spreading module (a), a straight pipe installing module (b) and a bent pipe installing module (c) which are arranged on the upper surface of the installing platform (1), wherein the installing platform (1) is in a long strip shape, the straight pipe installing module (b) is positioned between the glue spreading module (a) and the bent pipe installing module (c), and the glue spreading module (a), the straight pipe installing module (b) and the bent pipe installing module (c) are uniformly arranged along the length direction of the installing platform (1);

the upper surface of the mounting platform (1) is also provided with positioning seats (2), the positioning seats (2) correspond to the gluing module (a), the straight pipe mounting module (b) and the bent pipe mounting module (c) one by one, and the gluing module (a), the straight pipe mounting module (b) and the bent pipe mounting module (c) are close to the corresponding positioning seats (2);

the gluing module (a) comprises a gluing telescopic device (3), a painting part (4) and a glue injection part (5), the gluing telescopic device (3) is fixed on the upper surface of the mounting platform (1), the painting part (4) and the glue injection part (5) are both fixed on the movable end of the gluing telescopic device (3) through mounting plates, and the painting part (4) and the glue injection part (5) both face the positioning seat (2);

the smearing part (4) comprises a rotating device (4a) and a gluing cylinder (4b), a connecting block is arranged in the gluing cylinder (4b), the connecting block is fixedly connected with the inner wall of the gluing cylinder (4b), the connecting block seals a port, far away from the rotating device (4a), of the gluing cylinder (4b), the end part of a rotating shaft of the rotating device (4a) extends into the gluing cylinder (4b) and is fixedly connected with the connecting block, and the axial lead of the gluing cylinder (4b) is superposed with the axial lead of the rotating shaft of the rotating device (4 a);

and the glue injection opening of the glue injection piece (5) faces the glue coating cylinder (4 b).

2. The water pump mount assembly platform of claim 1, wherein: the straight pipe mounting module (b) comprises a straight pipe expansion device (29) and a straight pipe clamping device, and the straight pipe clamping device is fixedly mounted on the movable end of the straight pipe expansion device (29);

the straight pipe clamping device comprises a straight pipe clamping jaw seat (10) and three straight pipe clamping strips (13), wherein the straight pipe clamping jaw seat (10) is disc-shaped, a straight pipe mounting seat (11a) is fixedly mounted at the center of any side face of the straight pipe clamping jaw seat (10), and all the straight pipe clamping strips (13) are mounted on the straight pipe mounting seat (11a) and far away from the end face of the straight pipe clamping jaw seat (10).

3. A water pump mount mounting platform according to claim 2, wherein: the straight pipe clamping device is characterized by further comprising a straight pipe clamping cylinder (12), wherein the straight pipe clamping cylinder (12) is fixedly sleeved on the straight pipe mounting seat (11a), and a plurality of straight pipe strip-shaped limiting holes penetrate through the cylinder wall of the straight pipe clamping cylinder (12) along the length direction of the straight pipe clamping cylinder;

the straight pipe strip-shaped limiting holes correspond to the straight pipe clamping strips (13) one by one, and the straight pipe clamping strips (13) are located in the corresponding straight pipe strip-shaped limiting holes.

4. A water pump mount mounting platform according to claim 3, wherein: the elbow installation module (c) comprises an elbow telescopic device (28) and an elbow clamping device, the elbow clamping device comprises an elbow clamping jaw seat (21), an elbow clamping cylinder (22) and three elbow clamping strips (23), the elbow clamping jaw seat (21) is disc-shaped, an elbow installation seat (21a) is further fixedly installed at the center of any side face of the elbow clamping jaw seat (21), the elbow clamping cylinder (22) is sleeved on the elbow installation seat (21a), one end of each elbow clamping strip (23) is fixedly installed on the end face, away from the elbow clamping jaw seat (21), of the elbow installation seat (21a), and the other ends of the elbow clamping strips (23) are close to each other to form an elbow clamping part and are located in the elbow clamping cylinder (22);

the tube wall of the elbow clamping tube (22) is also penetrated with an elbow strip-shaped clamping hole, one end of the elbow strip-shaped clamping hole is communicated with the edge of the elbow clamping tube (22) far away from the elbow clamping jaw seat (21), and the elbow strip-shaped clamping hole is positioned between any two adjacent elbow clamping strips (23).

5. The water pump mount assembly platform of claim 4, wherein: the straight pipe mounting seat (11a) is a three-jaw chuck, the straight pipe mounting seat (11a) comprises a first chuck body and three straight pipe movable jaws arranged on the first chuck body, the straight pipe clamping strips (13) correspond to the straight pipe movable jaws one to one, one ends of the straight pipe clamping strips (13) are arranged on the corresponding straight pipe movable jaws, and the other ends of the straight pipe clamping strips (13) are close to each other to form a straight pipe clamping part and are positioned in the straight pipe clamping barrel (12);

elbow pipe mount pad (21a) is the three-jaw chuck, elbow pipe mount pad (21a) includes the second chuck body and sets up the movable jack catch of three return bend on this second chuck body, elbow pipe holding strip (23) with elbow pipe movable jack catch one-to-one, the one end of elbow pipe holding strip (23) is installed and is being corresponded on the movable jack catch of elbow pipe, the other end of elbow pipe holding strip (23) is close to each other and forms the return bend clamping part.

6. A water pump mount assembly platform according to claim 5, wherein: straight tube holding strip (13) with return bend holding strip (23) all include installation section, linkage segment and clamping section, the installation section with the linkage segment mutually perpendicular, the clamping section slope sets up, the installation section with straight tube activity jack catch or return bend activity jack catch one-to-one, installation section fixed mounting is corresponding straight tube activity jack catch or on the return bend activity jack catch, the one end of linkage segment and corresponding the outer end fixed connection of installation section, the other end of linkage segment with clamping section one end fixed connection, the other end of clamping section is close to each other and forms straight tube clamping part or return bend clamping part.

7. The water pump mount assembly platform of claim 6, wherein: the edge of the straight pipe upper clamping cylinder (12a) close to the straight pipe clamping jaw seat (10) is outwards turned to form a straight pipe outer connecting ring, and the straight pipe outer connecting ring is fixedly connected with the straight pipe clamping jaw seat (10);

the edge of the elbow upper clamping cylinder (22a) close to the elbow clamping jaw seat (21) is outwards turned to form an elbow outer connecting ring, and the elbow outer connecting ring is fixedly connected with the elbow clamping jaw seat (21).

8. The water pump mount assembly platform of claim 7, wherein: mounting holes penetrate through the centers of the straight pipe clamping jaw seat (10) and the bent pipe clamping jaw seat (21);

the edges of the straight pipe upper clamping cylinder (12a) and the bent pipe upper clamping cylinder (22a) far away from the positioning seat (2) are respectively provided with at least one adjusting opening;

and magnets (11b) are fixedly arranged at the centers of the side surfaces of the straight pipe mounting seat (11a) and the bent pipe mounting seat (21a) facing the positioning seat (2).

Technical Field

The invention relates to an assembly platform, in particular to a water pump base assembly platform.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, transmits mechanical energy of a prime motor or other external energy to the liquid to increase the energy of the liquid, and is mainly used for conveying the liquid including water, glue, acid-base liquid, emulsion, liquid metal and the like;

some pipes need to be installed to the water pump seat when production, adopt extruded mode installation usually in the installation of pipe fitting, in-process at the pipe fitting installation, still need the junction rubber coating to the pipe fitting, guarantee the leakproofness of pipe fitting installation, and traditional rubber coating adopts the manual work usually, waste time and energy, rubber coating volume also is difficult to guarantee, still need in time to stop the centre gripping to the pipe fitting after the installation, prevent that the pipe fitting from being taken out, the installation also requires higher to the stability of the centre gripping of pipe fitting simultaneously, especially to the return bend, the degree of difficulty of centre gripping installation is higher, and the continuity is poor between each process, cause production efficiency not high, for this reason we need a water pump seat assembly platform.

Disclosure of Invention

The invention provides a water pump base assembling platform, which adopts the following technical scheme:

the utility model provides a water pump seat mounting platform which the key lies in: the glue spreading and bending device comprises a horizontally arranged mounting platform, and a glue spreading module, a straight pipe mounting module and a bent pipe mounting module which are arranged on the upper surface of the mounting platform, wherein the mounting platform is in a long strip shape;

the upper surface of the mounting platform is also provided with positioning seats, the positioning seats correspond to the gluing modules, the straight pipe mounting modules and the bent pipe mounting modules one to one, and the gluing modules, the straight pipe mounting modules and the bent pipe mounting modules are close to the corresponding positioning seats.

The gluing module comprises a gluing telescopic device, a painting piece and an injection piece, the gluing telescopic device is fixed on the upper surface of the mounting platform, the painting piece and the injection piece are fixed on the movable end of the gluing telescopic device through a mounting plate, and the painting piece and the injection piece face towards the positioning seat.

The smearing part comprises a rotating device and a gluing cylinder, a connecting block is arranged in the gluing cylinder and fixedly connected with the inner wall of the gluing cylinder, the connecting block seals a port, far away from the rotating device, of the gluing cylinder, the end part of a rotating shaft of the rotating device extends into the gluing cylinder and is fixedly connected with the connecting block, and the axis of the gluing cylinder is superposed with the axis of the rotating shaft of the rotating device;

and the glue injection opening of the glue injection piece faces the glue coating cylinder.

The technical scheme has the advantages that: after glue injection is carried out by using the glue injection piece, straight pipe installation and bent pipe installation of the water pump base can be timely and sequentially finished, the continuity of production of each process of the water pump base is improved, and the sealing performance and the production efficiency of pipe fitting installation are effectively improved.

The straight pipe mounting module comprises a straight pipe expansion device and a straight pipe clamping device, and the straight pipe clamping device is fixedly mounted on the movable end of the straight pipe expansion device;

the straight pipe clamping device comprises a straight pipe clamping jaw seat and three straight pipe clamping strips, the straight pipe clamping jaw seat is disc-shaped, a straight pipe mounting seat is fixedly mounted at the center of any side face of the straight pipe clamping jaw seat, and all the straight pipe clamping strips are mounted on the end face, far away from the straight pipe clamping jaw seat, of the straight pipe mounting seat.

The straight pipe clamping device is characterized by also comprising a straight pipe clamping barrel, wherein the straight pipe clamping barrel is fixedly sleeved on the straight pipe mounting seat, and a plurality of straight pipe strip-shaped limiting holes penetrate through the barrel wall of the straight pipe clamping barrel along the length direction of the straight pipe clamping barrel;

the straight pipe strip-shaped limiting holes correspond to the straight pipe clamping strips one to one, and the straight pipe clamping strips are located in the corresponding straight pipe strip-shaped limiting holes.

The elbow installation module comprises an elbow telescopic device and an elbow clamping device, the elbow clamping device comprises an elbow clamping jaw seat, an elbow clamping barrel and three elbow clamping strips, the elbow clamping jaw seat is disc-shaped, an elbow installation seat is further fixedly installed at the center of any side face of the elbow clamping jaw seat, the elbow clamping barrel is sleeved on the elbow installation seat, one end of each elbow clamping strip is fixedly installed on the end face, far away from the elbow clamping jaw seat, of the elbow installation seat, and the other ends of the elbow clamping strips are close to each other to form an elbow clamping part and are located in the elbow clamping barrel;

the tube wall of the elbow clamping tube is also penetrated with an elbow strip-shaped clamping hole, one end of the elbow strip-shaped clamping hole is communicated with the edge of the elbow clamping tube, which is far away from the elbow clamping jaw seat, and the elbow strip-shaped clamping hole is positioned between any two adjacent elbow clamping strips.

The straight pipe mounting seat is a three-jaw chuck and comprises a first chuck body and three straight pipe movable jaws arranged on the first chuck body, the straight pipe clamping strips correspond to the straight pipe movable jaws one to one, one ends of the straight pipe clamping strips are mounted on the corresponding straight pipe movable jaws, and the other ends of the straight pipe clamping strips are close to each other to form a straight pipe clamping part and are positioned in the straight pipe clamping barrel;

the return bend mount pad is three-jaw chuck, the return bend mount pad includes the second chuck body and sets up the movable jack catch of three return bend on this second chuck body, the return bend holding strip with return bend movable jack catch one-to-one, the one end of return bend holding strip is installed and is being corresponded on the return bend movable jack catch, the other end of return bend holding strip is close to formation each other the return bend clamping part.

The straight tube holding strip with the return bend holding strip all includes installation section, linkage segment and clamping section, the installation section with the linkage segment mutually perpendicular, the clamping section slope sets up, the installation section with straight tube activity jack catch or return bend activity jack catch one-to-one, installation section fixed mounting is corresponding straight tube activity jack catch or on the return bend activity jack catch, the one end of linkage segment and corresponding the outer end fixed connection of installation section, the other end of linkage segment with clamping section one end fixed connection, the other end of clamping section is close to each other and forms straight tube clamping part or return bend clamping part.

The edge of the straight pipe upper clamping cylinder, which is close to the straight pipe clamping jaw seat, is outwards turned to form a straight pipe outer connecting ring, and the straight pipe outer connecting ring is fixedly connected with the straight pipe clamping jaw seat;

the edge of the upper clamping cylinder of the bent pipe, which is close to the clamping jaw seat of the bent pipe, is outwards turned to form an outer connecting ring of the bent pipe, and the outer connecting ring of the bent pipe is fixedly connected with the clamping jaw seat of the bent pipe.

Mounting holes penetrate through the centers of the straight pipe clamping jaw seat and the bent pipe clamping jaw seat;

the edges of the straight pipe upper clamping cylinder and the bent pipe upper clamping cylinder, which are far away from the positioning seat, are respectively provided with at least one adjusting opening;

and magnets are fixedly arranged at the centers of the side surfaces of the straight pipe mounting seat and the bent pipe mounting seat facing the positioning seat.

Has the advantages that: the hole of earlier utilizing to paint the piece to the water pump seat is paintd, guarantees to paint at every turn and the quantity is even, guarantees to hold the in-process of pipe fitting stable accuracy in next step's process, can in time accomplish in proper order the straight tube installation and the return bend installation to the water pump seat, has improved the continuity of each process production of water pump seat, effectively improves the leakproofness and the production efficiency of pipe fitting installation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a straight pipe clamping device;

FIG. 3 is a bottom view of FIG. 2;

FIG. 4 is a schematic sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the installation structure of the straight pipe clamping strip 13 and the straight pipe installation seat 11 a;

FIG. 6 is a schematic view of the working state of the straight pipe installation module b;

FIG. 7 is a schematic view of the elbow clamping device;

FIG. 8 is a bottom view of FIG. 6;

FIG. 9 is a schematic cross-sectional view taken along line B-B of FIG. 8;

FIG. 10 is a schematic view of the elbow mount module c in operation;

fig. 11 is a schematic structural view of a glue application module a;

fig. 12 is a partially enlarged view at X of fig. 11.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

As shown in fig. 1 to 12, a water pump base assembly platform comprises a horizontally arranged mounting platform 1, and a glue coating module a, a straight pipe mounting module b and an elbow pipe mounting module c which are mounted on the upper surface of the mounting platform, wherein the mounting platform 1 is in a strip shape, the straight pipe mounting module b is located between the glue coating module a and the elbow pipe mounting module c, and the glue coating module a, the straight pipe mounting module b and the elbow pipe mounting module c are uniformly arranged along the length direction of the mounting platform 1;

the upper surface of the mounting platform 1 is further provided with a positioning seat 2, the positioning seat 2 corresponds to the gluing module a, the straight pipe mounting module b and the bent pipe mounting module c one by one, and the gluing module a, the straight pipe mounting module b and the bent pipe mounting module c are close to the corresponding positioning seat 2.

The gluing module a comprises a gluing telescopic device 3, a painting part 4 and a glue injection part 5, the gluing telescopic device 3 is fixed on the upper surface of the mounting platform 1, the painting part 4 and the glue injection part 5 are fixed on the movable end of the gluing telescopic device 3 through a mounting plate, the painting part 4 and the glue injection part 5 face the positioning seat 2, and the upper end face of the positioning seat 2 is provided with at least two positioning raised heads.

The smearing part 4 comprises a rotating device 4a and a gluing cylinder 4b, a connecting block is arranged in the gluing cylinder 4b and fixedly connected with the inner wall of the gluing cylinder 4b, the connecting block seals a port, far away from the rotating device 4a, of the gluing cylinder 4b, the end part of a rotating shaft of the rotating device 4a extends into the gluing cylinder 4b and is fixedly connected with the connecting block, and the axis of the gluing cylinder 4b is superposed with the axis of the rotating shaft of the rotating device 4 a;

the glue injection opening of the glue injection piece 5 faces the glue coating cylinder 4 b.

Wherein:

a plurality of glue through holes are further arranged on the wall of the glue coating cylinder 4b in a penetrating manner, and all the glue through holes are uniformly distributed around the axis of the glue coating cylinder 4 b.

The gluing expansion device 3 comprises a screw rod, a driving device and a sliding device sleeved on the screw rod, the screw rod is fixedly connected with an output shaft of the driving device and coaxially rotates, the sliding device and the screw rod form a screw-nut kinematic pair, the mounting plate is horizontally fixed on the sliding device, the output shaft of the driving device faces towards the positioning seat 2, and the smearing part 4 and the glue injection part 5 are fixed on the upper surface of the mounting plate correspondingly.

The glue injection piece 5 is cylindrical, one end of the glue injection piece 5 is communicated with the glue tank through a hose, and the other end of the glue injection piece 5 is provided with a glue injection head;

the injecting glue head is hourglass hopper-shaped, the macrostoma end of injecting glue head with correspond the tip switch-on of injecting glue spare 5, the osculum end of injecting glue head is connected with the injecting glue pipe, the injecting glue pipe is followed the open end of a rubber coating section of thick bamboo 4b stretches into wherein.

The straight pipe installation module b comprises a straight pipe expansion device 29 and a straight pipe clamping device, and the straight pipe clamping device is fixedly installed on the movable end of the straight pipe expansion device 29;

the straight pipe clamping device comprises a straight pipe clamping jaw seat 10 and three straight pipe clamping strips 13, wherein the straight pipe clamping jaw seat 10 is disc-shaped, a straight pipe mounting seat 11a is further fixedly mounted at the center of any side face of the straight pipe clamping jaw seat 10, all the straight pipe clamping strips 13 are mounted on the straight pipe mounting seat 11a far away from the end face of the straight pipe clamping jaw seat 10, and a pressure sensor 27 is further arranged above the straight pipe clamping jaw seat 10.

The straight pipe clamping device further comprises a straight pipe clamping cylinder 12, wherein the straight pipe clamping cylinder 12 is fixedly sleeved on the straight pipe mounting seat 11a, and a plurality of straight pipe strip-shaped limiting holes penetrate through the cylinder wall of the straight pipe clamping cylinder 12 along the length direction of the cylinder wall;

the straight pipe strip-shaped limiting holes correspond to the straight pipe clamping strips 13 one by one, and the straight pipe clamping strips 13 are located in the corresponding straight pipe strip-shaped limiting holes.

The lower end part of the clamping section is horizontally bent and is close to each other to form a straight pipe clamping part, and the lower end face of the clamping section is provided with a cambered surface.

The straight pipe clamping sleeve 12 comprises a straight pipe upper clamping sleeve 12a and a straight pipe lower clamping sleeve 12b, the straight pipe upper clamping sleeve 12a is fixedly connected with the straight pipe clamping jaw seat 10, the straight pipe lower clamping sleeve 12b is funnel-shaped, and a large opening end of the straight pipe lower clamping sleeve 12b is fixedly connected with the lower end of the straight pipe upper clamping sleeve 12 a;

the straight pipe upper clamping sleeve 12a is fixedly sleeved on the straight pipe mounting seat 11a, the straight pipe strip-shaped limiting holes are respectively positioned on the straight pipe lower clamping sleeve 12b, the straight pipe clamping portion is positioned in the straight pipe lower clamping sleeve 12b, and the straight pipe clamping portion is close to the small-mouth end of the straight pipe lower clamping sleeve 12 b.

Three straight pipe abdicating openings are further penetrated through the wall of the straight pipe upper clamping barrel 12a, the straight pipe abdicating openings correspond to the straight pipe movable clamping jaws one to one, the straight pipe abdicating openings are close to the corresponding straight pipe movable clamping jaws, the straight pipe abdicating openings further correspond to the straight pipe strip-shaped limiting holes one to one, and the straight pipe abdicating openings are communicated with the corresponding straight pipe strip-shaped limiting holes.

The elbow installation module c comprises an elbow telescopic device 28 and an elbow clamping device, the elbow clamping device comprises an elbow clamping jaw seat 21, an elbow clamping cylinder 22 and three elbow clamping strips 23, the elbow clamping jaw seat 21 is disc-shaped, an elbow installation seat 21a is further fixedly installed at the center of any side face of the elbow clamping jaw seat 21, the elbow clamping cylinder 22 is sleeved on the elbow installation seat 21a, one end of each elbow clamping strip 23 is fixedly installed on the end face, far away from the elbow clamping jaw seat 21, of the elbow installation seat 21a, and the other ends of the elbow clamping strips 23 are close to each other to form an elbow clamping part and are located in the elbow clamping cylinder 22;

still include spacing seat 26, spacing seat 26 is close to return bend installation module c, return bend clamp claw seat 21 keeps away from return bend installation seat 21 a's side is also fixed and is equipped with pressure sensor 27, pressure sensor 27 is fixed the expansion end tip of telescoping device, pressure sensor 27 with return bend installation seat 21a passes through the circuit switch-on, spacing seat 26 is close to positioning seat 2 is located return bend installation module c 2 top of positioning seat forms the fixed region of water pump, the fixed region of water pump is located the expansion end tip of telescoping device with between the spacing seat 26.

The tube wall of the elbow clamping tube 22 is further penetrated with an elbow strip-shaped clamping hole, one end of the elbow strip-shaped clamping hole is communicated with the edge of the elbow clamping tube 22 far away from the elbow clamping jaw seat 21, and the elbow strip-shaped clamping hole is positioned between any two adjacent elbow clamping strips 23.

The elbow clamping cylinder 22 comprises an elbow upper clamping cylinder 22a and an elbow lower clamping cylinder 21b, the elbow upper clamping cylinder 22a is fixedly connected with the elbow clamping jaw seat 21, the elbow lower clamping cylinder 21b is funnel-shaped, and the large opening end of the elbow lower clamping cylinder 21b is fixedly connected with the lower end of the elbow upper clamping cylinder 22 a;

the elbow upper clamping cylinder 22a is fixedly sleeved on the elbow mounting seat 21a, the elbow clamping portion is located in the elbow lower clamping cylinder 21b, and the elbow clamping portion is close to the small-opening end of the elbow lower clamping cylinder 21 b.

A plurality of bent pipe strip-shaped limiting holes penetrate through the wall of the bent pipe lower clamping cylinder 21b along the length direction;

the bent pipe strip-shaped limiting holes correspond to the bent pipe clamping strips 23 one by one, the bent pipe clamping strips 23 are positioned in the corresponding bent pipe strip-shaped limiting holes, and the bent pipe clamping part is positioned in the bent pipe clamping cylinder 22;

three bent pipe abdicating openings are further penetrated through the wall of the bent pipe upper clamping barrel 22a, the bent pipe abdicating openings correspond to the movable clamping claws one by one, the bent pipe abdicating openings are close to the corresponding movable clamping claws, the bent pipe abdicating openings also correspond to the bent pipe strip-shaped limiting holes one by one, and the bent pipe abdicating openings are communicated with the corresponding bent pipe strip-shaped limiting holes.

The lower end part of the clamping section is horizontally bent and is close to each other to form the bent pipe clamping part, and the lower end face of the clamping section is provided with an arc face.

The straight pipe mounting seat 11a is a three-jaw chuck, the straight pipe mounting seat 11a comprises a first chuck body and three straight pipe movable jaws arranged on the first chuck body, the straight pipe clamping strips 13 correspond to the straight pipe movable jaws one to one, one ends of the straight pipe clamping strips 13 are arranged on the corresponding straight pipe movable jaws, and the other ends of the straight pipe clamping strips 13 are close to each other to form a straight pipe clamping part and are positioned in the straight pipe clamping barrel 12;

elbow installation seat 21a is the three-jaw chuck, elbow installation seat 21a includes the second chuck body and sets up the movable jack catch of three return bend on this second chuck body, elbow holding strip 23 with the movable jack catch one-to-one of return bend, the one end of elbow holding strip 23 is installed and is corresponded on the movable jack catch of return bend, the other end of elbow holding strip 23 is close to each other and forms the return bend clamping part.

Straight tube holding strip 13 with return bend holding strip 23 all includes installation section, linkage segment and clamping section, the installation section with the linkage segment mutually perpendicular, the clamping section slope sets up, the installation section with straight tube movable jaw or return bend movable jaw one-to-one, installation section fixed mounting is corresponding straight tube movable jaw or on the return bend movable jaw, the one end of linkage segment and corresponding the outer end fixed connection of installation section, the other end of linkage segment with clamping section one end fixed connection, the other end of clamping section is close to each other and forms straight tube clamping part or return bend clamping part.

The edge of the straight pipe upper clamping cylinder 12a close to the straight pipe clamping jaw seat 10 is outwards turned to form a straight pipe outer connecting ring, and the straight pipe outer connecting ring is fixedly connected with the straight pipe clamping jaw seat 10;

the edge of the elbow upper clamping cylinder 22a close to the elbow clamping jaw seat 21 is turned outwards to form an elbow outer connecting ring, and the elbow outer connecting ring is fixedly connected with the elbow clamping jaw seat 21.

Mounting holes penetrate through the centers of the straight pipe clamping jaw seat 10 and the bent pipe clamping jaw seat 21;

the edges of the straight pipe upper clamping cylinder 12a and the bent pipe upper clamping cylinder 22a far away from the positioning seat 2 are respectively provided with at least one adjusting opening;

and magnets 11b are fixedly arranged at the centers of the side surfaces of the straight pipe mounting seat 11a and the bent pipe mounting seat 21a facing the positioning seat 2.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.