CN211248964U - Special welding fixture for honeycomb duct of automobile metal oil filling pipe - Google Patents

Special welding fixture for honeycomb duct of automobile metal oil filling pipe Download PDF

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Publication number
CN211248964U
CN211248964U CN201922336097.4U CN201922336097U CN211248964U CN 211248964 U CN211248964 U CN 211248964U CN 201922336097 U CN201922336097 U CN 201922336097U CN 211248964 U CN211248964 U CN 211248964U
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China
Prior art keywords
cylinder
pipe
clamping
plate
positioning
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Application number
CN201922336097.4U
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Chinese (zh)
Inventor
封子达
孙谦君
周亮
颜玉婷
张绍卫
梅峰
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Yangzhou Liangcheng Auto Parts Co ltd
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Yangzhou Liangcheng Auto Parts Co ltd
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Priority to CN201922336097.4U priority Critical patent/CN211248964U/en
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Publication of CN211248964U publication Critical patent/CN211248964U/en
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Abstract

The special welding fixture for the guide pipe of the metal oil filling pipe of the automobile. Relate to car metal and add oil pipe manufacturing field, especially relate to special welding jig of honeycomb duct of car metal and add oil pipe. The special welding fixture for the guide pipe of the automobile metal oil filling pipe, which has the advantages of compact and reasonable structure and simple and convenient processing and improves the processing efficiency and the processing precision of the guide pipe, comprises a positioning table, a pipe body oil filling port clamping device, a pipe body tail clamping device and a guide pipe clamping device; the pipe body oil filling port clamping device comprises a transverse cylinder, a longitudinal cylinder, a front gear limiting plate, a rear gear limiting plate and a rear gear cylinder; the transverse cylinder is fixedly arranged at the bottom of the positioning table; the longitudinal cylinder is vertically and fixedly arranged at the piston rod end of the transverse cylinder; the front stop limit plate is fixedly arranged at the piston rod end of the longitudinal cylinder and moves up and down through the longitudinal cylinder. The utility model has the characteristics of compact structure is reasonable, and processing is simple and convenient, improves honeycomb duct machining efficiency and precision etc.

Description

Special welding fixture for honeycomb duct of automobile metal oil filling pipe
Technical Field
The utility model relates to a car metal adds oil pipe manufacturing field, especially relates to car metal adds oil pipe's honeycomb duct special welding jig.
Background
With the rapid development of the automobile industry in China and the continuous improvement of the living standard of people, cars more and more move into families, and the demand of household cars is increased dramatically. Automobiles are generally fueled by gasoline or diesel fuel and are equipped with fuel tanks, the filler neck of which is provided with a dedicated filler tube for the purpose of facilitating the sealing and filling of the tank.
In the prior art, the welding of the upper fixing frame of the oil filling pipe is usually manually assisted, and a special fixture for welding the fixing bracket of the oil filling pipe is not provided. In the welding process, the positioning welding process between the nozzle of the oil filling pipe and the flow guide pipe is generally completed by adopting the steps of manual measurement and positioning, spot welding and the like, the welding precision is low, the welding deviation is easy to occur, and finally the problems of installation dislocation and rework in a factory are caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, it is rational to provide compact structure, and processing is simple and convenient, improves the special welding jig of honeycomb duct of the car metal oil filler pipe of honeycomb duct machining efficiency and precision.
The technical scheme of the utility model is that: the device comprises a positioning table, a pipe body oil filling port clamping device, a pipe body tail clamping device and a flow guide pipe clamping device;
the pipe body oil filling port clamping device comprises a transverse cylinder, a longitudinal cylinder, a front gear limiting plate, a rear gear limiting plate and a rear gear cylinder;
the transverse cylinder is fixedly arranged at the bottom of the positioning table;
the longitudinal cylinder is vertically and fixedly arranged at the piston rod end of the transverse cylinder;
the front gear limiting plate is fixedly arranged at the piston rod end of the longitudinal cylinder and moves up and down through the longitudinal cylinder;
the positioning table is provided with a notch extending out of the front stop limiting plate;
the front gear limiting plate is provided with a first opening matched with the flow guide pipe;
the rear baffle cylinder is horizontally and fixedly arranged at the top of the positioning table and positioned on one side of the front baffle limiting plate;
the rear gear limiting plate is vertically and fixedly arranged at the piston rod end of the rear gear cylinder and is matched with the front gear limiting plate;
the rear gear limiting plate is provided with a second opening matched with the pipe body;
before the oil filling pipe is placed, the front gear limit plate and the rear gear limit plate respectively move to set positions,
the pipe body tail clamping device comprises a lower supporting seat, a positioning sleeve rod, a positioning block and a guide block;
the lower supporting seat is fixedly arranged below the positioning table;
the positioning block is fixedly arranged at the bottom of the lower supporting seat;
the positioning sleeve rod is matched with the oil filling pipe and is adjustably and fixedly arranged on the positioning block;
the guide block is fixedly arranged at the bottom of the lower supporting seat; the guide block is provided with an insertion notch matched with the oil filling pipe;
the honeycomb duct clamping device comprises a honeycomb duct clamping mechanism and a honeycomb duct mounting mechanism;
the honeycomb duct clamping mechanism comprises a cylinder supporting plate, a pressing cylinder A, a pressing cylinder B and a rear support seat;
the rear supporting seat is fixedly arranged on the cylinder supporting plate through a connecting block and is matched with the front baffle limiting plate;
the pressing air cylinder A and the pressing air cylinder B are symmetrically arranged on the air cylinder supporting plate;
a piston rod end of the pressing cylinder A is provided with a pressing claw A which is fixedly connected;
a piston rod end of the pressing cylinder B is provided with a pressing claw B which is fixedly connected;
the guide pipe is fixedly arranged on the rear support seat through a pressing claw A and a pressing claw B which are symmetrically arranged;
the draft tube mounting mechanism comprises a mounting cylinder, a base plate and a pair of guide rails;
the base plate is horizontally and fixedly arranged on the positioning table;
the pair of guide rails are symmetrically and fixedly arranged on the top of the base plate;
the cylinder supporting plate is connected with the guide rail through a sliding block;
the mounting cylinder is horizontally and fixedly arranged on the base plate; the end of the piston rod of the mounting cylinder is fixedly connected with the end of the cylinder supporting plate;
the cylinder supporting plate slides on the pair of guide rails through the installation cylinder, and the guide pipe on the guide pipe clamping mechanism is moved to the pipe opening of the pipe body.
Also comprises a neck section fixing mechanism;
the neck section fixing mechanism comprises a clamping cylinder frame A, a strong welding clamping cylinder A, an upper pressing block A and a base frame A;
the base frame A is fixedly arranged on the positioning table, and the top of the base frame A is provided with a socket A matched with the pipe body;
the clamping cylinder frame A is vertically and fixedly arranged on the positioning table and is positioned on one side of the rear gear limiting plate;
the strong welding clamping cylinder A is vertically and fixedly arranged on the clamping cylinder frame A;
the upper pressing block A is fixedly arranged on a clamping arm of the strong welding clamping cylinder A and is matched with the pipe body.
The tail fixing mechanism is also included;
the tail fixing mechanism comprises a clamping cylinder frame B, a strong welding clamping cylinder B, an upper pressing block B and a base frame B;
the base frame B is obliquely and fixedly arranged on the lower supporting seat, and the top of the base frame B is provided with a socket B matched with the pipe body;
the clamping cylinder frame B is obliquely and fixedly arranged on the lower supporting seat and is positioned on one side of the positioning sleeve rod;
the strong welding clamping cylinder B is obliquely and fixedly arranged on the clamping cylinder frame B;
and the upper pressing block B is fixedly arranged on a clamping arm of the strong welding clamping cylinder B and is matched with the pipe body.
The positioning block is provided with a sleeve hole matched with the positioning sleeve rod;
the positioning block is provided with a threaded through hole communicated with the sleeve hole, and the positioning sleeve rod is in adjustable fixed connection with the positioning block through a connecting piece on the threaded through hole.
The base plate is also provided with a limiting mechanism;
the limiting mechanism comprises a hinge seat, a hinge plate and a limiting column;
the hinged seat is fixedly arranged on the base plate;
the limiting column is fixedly arranged on the cylinder supporting plate through a limiting connecting plate;
the hinged plate is provided with a sliding chute matched with the limiting column;
one end of the hinged plate is hinged on the hinged seat.
The utility model comprises a positioning table, a tube body oil filling port clamping device, a tube body tail part clamping device and a flow guide tube clamping device; the pipe body oil filling port clamping device comprises a transverse cylinder, a longitudinal cylinder, a front gear limiting plate, a rear gear limiting plate and a rear gear cylinder; the pipe tail clamping device comprises a lower supporting seat, a positioning sleeve rod, a positioning block and a guide block; attaching the tail end of the pipe body to a positioning sleeve rod of a pipe body tail clamping device, and placing a to-be-welded end of an oil filling port of the pipe body on a rear stop limiting plate of the pipe body oil filling port clamping device; the oil filling port of the pipe body is pressed tightly under the combined action of the front gear limiting plate and the rear gear limiting plate. The honeycomb duct is pressed through pressing claw A and pressing claw B and is established on the back brace seat, through the oil filler department of installation cylinder with the leading-in body of honeycomb duct, the welding robot welding is waited to welding such as location. The utility model has the characteristics of compact structure is reasonable, and processing is simple and convenient, improves honeycomb duct machining efficiency and precision etc.
Drawings
FIG. 1 is a schematic perspective view of the connection state of the flow guide tube and the tube body of the present invention,
FIG. 2 is a schematic view showing a three-dimensional structure of the draft tube of the present invention in a state of being separated from the tube body (in order to clearly show the connection relationship, the draft tube is disposed at the oil filling port of the tube body and on the draft tube holding mechanism respectively),
figure 3 is a schematic top view of the structure of figure 2,
FIG. 4 is a schematic perspective view of the connection state of the flow guide tube and the tube body of the present invention,
FIG. 5 is a schematic view of a hidden positioning table of the present invention showing a first three-dimensional structure,
FIG. 6 is a schematic view of the three-dimensional structure of the hidden positioning table of the present invention,
FIG. 7 is a perspective view of the tail fixation mechanism;
in the figure, 1 is a positioning table, 2 is a tube body oil filling port clamping device, 21 is a transverse air cylinder, 22 is a longitudinal air cylinder, 23 is a front gear limiting plate, 24 is a rear gear limiting plate, 25 is a rear gear air cylinder,
3 is a clamping device at the tail part of the pipe body, 31 is a lower supporting seat, 32 is a positioning loop bar, 33 is a positioning block, 34 is a guide block,
4 is a honeycomb duct holding device, 41 is a honeycomb duct holding mechanism, 411 is a cylinder support plate, 412 is a pressing cylinder A, 413 is a pressing cylinder B, 414 is a rear support seat, 415 is a pressing claw A, 416 is a pressing claw B,
42 is a flow guide pipe mounting mechanism, 421 is a mounting cylinder, 422 is a base plate, 423 is a guide rail,
5 is a neck section fixing mechanism, 51 is a clamping cylinder frame A, 52 is a strong welding clamping cylinder A, 53 is an upper pressing block A, 54 is a base frame A,
6 is a tail fixing mechanism, 61 is a clamping cylinder frame B, 62 is a strong welding clamping cylinder B, 63 is an upper pressing block B, 64 is a base frame B,
7 is a limiting mechanism, 71 is a hinged seat, 72 is a hinged plate, 73 is a limiting column, and 8 is a guide pipe.
Detailed Description
The utility model is shown in figures 1-7 and comprises a positioning table 1, a pipe body oil filling port clamping device 2, a pipe body tail part clamping device 3 and a flow guide pipe clamping device 4;
the pipe body oil filling port clamping device 2 comprises a transverse cylinder 21, a longitudinal cylinder 22, a front gear limiting plate 23, a rear gear limiting plate 24 and a rear gear cylinder 25;
the transverse cylinder 21 is fixedly arranged at the bottom of the positioning table 1;
the longitudinal cylinder 22 is vertically and fixedly arranged at the piston rod end of the transverse cylinder 21;
the front stop limit plate 23 is fixedly arranged at the piston rod end of the longitudinal cylinder 22 and moves up and down through the longitudinal cylinder 22;
the positioning table 1 is provided with a notch extending out of the front stop limit plate 23;
the front gear limiting plate 23 is provided with a first opening matched with the flow guide pipe 8;
the rear gear air cylinder 25 is horizontally and fixedly arranged at the top of the positioning table 1 and is positioned at one side of the front gear limiting plate;
the rear gear limit plate 24 is vertically and fixedly arranged at the piston rod end of the rear gear cylinder 25 and is matched with the front gear limit plate 23;
the rear gear limiting plate 24 is provided with a second opening matched with the pipe body;
before the oil filling pipe is placed, the front gear limit plate 23 and the rear gear limit plate 24 respectively move to the set positions,
the pipe tail clamping device 3 comprises a lower supporting seat 31, a positioning sleeve rod 32, a positioning block 33 and a guide block 34;
the lower support seat 31 is fixedly arranged below the positioning table 1;
the positioning block 33 is fixedly arranged at the bottom of the lower support seat 31 through a connecting piece;
the positioning sleeve rod 32 is matched with the oil filling pipe and is adjustably and fixedly arranged on the positioning block 33;
the guide block 34 is fixedly arranged at the bottom of the lower support seat 31; the guide block 34 is provided with an insertion notch matched with the oil filling pipe;
the draft tube clamping device 4 comprises a draft tube clamping mechanism 41 and a draft tube mounting mechanism 42;
the draft tube clamping mechanism 41 comprises a cylinder supporting plate 411, a pressing cylinder A412, a pressing cylinder B413 and a rear support seat 414;
the rear supporting seat 414 is fixedly arranged on the cylinder supporting plate 411 through a connecting block and is matched with the front stop limiting plate 23;
the pressing air cylinder A412 and the pressing air cylinder B413 are symmetrically arranged on the air cylinder supporting plate 411;
a piston rod end of the pressing cylinder A412 is provided with a pressing claw A415 which is fixedly connected;
a piston rod end of the pressing cylinder B413 is provided with a pressing claw B416 which is fixedly connected;
the draft tube 8 is fixedly arranged on the rear support seat 414 through a pressing claw A415 and a pressing claw B416 which are symmetrically arranged;
the draft tube mounting mechanism 42 comprises a mounting cylinder 421, a base plate 422 and a pair of guide rails 423;
the base plate 422 is horizontally and fixedly arranged on the positioning table 1;
a pair of the guide rails 423 are symmetrically and fixedly arranged on the top of the base plate 422;
the cylinder supporting plate 411 is connected with a guide rail 423 through a slider;
the mounting cylinder 421 is horizontally and fixedly arranged on the base plate 422; the piston rod end of the mounting cylinder 421 is fixedly connected with the end of the cylinder support plate 411;
the cylinder support plate 411 is mounted on a cylinder 421 to slide on a pair of guide rails 423, so as to move the duct 8 of the duct clamping mechanism 41 to the opening of the duct body.
The operation flow of the special welding clamp for the guide pipe 8 of the automobile metal oil filling pipe is as follows:
attaching the tail end of the pipe body to a positioning sleeve rod 32 of a pipe body tail clamping device 3, and placing the to-be-welded end of the oil filling port of the pipe body on a rear baffle limiting plate 24 of the pipe body oil filling port clamping device 2; the oil filling port of the pipe body is pressed tightly by the combined action of the front gear limit plate 23 and the rear gear limit plate 24. The honeycomb duct 8 is pressed on the back support 414 through the pressing claw A415 and the pressing claw B416, and the honeycomb duct 8 is guided into the oil filling port of the pipe body through the mounting cylinder 421, positioned and welded by the welding robot.
Also comprises a neck section fixing mechanism 5;
the neck section fixing mechanism 5 comprises a clamping cylinder frame A51, a strong welding clamping cylinder A52, an upper pressing block A53 and a base frame A54;
the base frame A54 is fixedly arranged on the positioning table 1, and the top of the base frame A is provided with a socket A matched with a pipe body;
the clamping cylinder frame A51 is vertically and fixedly arranged on the positioning table 1 and is positioned on one side of the rear gear limiting plate 24;
the powerful welding clamping cylinder A52 is vertically and fixedly arranged on the clamping cylinder frame A51;
the upper pressing block A53 is fixedly arranged on a clamping arm of the strong welding clamping cylinder A52 and is matched with the pipe body. The function of the strong welding clamping cylinder A52 is to press the upper press block A53 on the top of the tube body on the base frame A54 through the opening and closing action of the clamping arm, so as to strengthen the reliability of the tube body fixation.
Further optimization, the top of the base frame A54 is provided with a left pressing block A and a right pressing block A; the left pressing block A is fixedly arranged at the top of the base frame A54, and the right pressing block A is adjustably and fixedly connected with the left pressing block A through a connecting piece; and a socket A matched with the pipe body is reserved between the left pressing block A and the right pressing block A.
Also comprises a tail fixing mechanism 6;
the tail fixing mechanism 6 comprises a clamping cylinder frame B61, a strong welding clamping cylinder B62, an upper pressing block B63 and a base frame B64;
the base frame B64 is obliquely and fixedly arranged on the lower supporting seat 31, and the top of the base frame B is provided with a socket B matched with a pipe body;
the clamping cylinder frame B61 is obliquely and fixedly arranged on the lower supporting seat 31 and is positioned at one side of the positioning loop bar 32;
the strong welding clamping cylinder B62 is obliquely and fixedly arranged on the clamping cylinder frame B61;
the upper pressing block B63 is fixedly arranged on a clamping arm of the strong welding clamping cylinder B62 and is matched with the pipe body.
In this case, two tail fixing mechanisms 6 are provided, and are respectively disposed on the lower support seat 31 at intervals.
The positioning block 33 is provided with a sleeve hole matched with the positioning sleeve rod 32;
the positioning block 33 is provided with a threaded through hole communicated with the sleeve hole, and the positioning sleeve rod 32 is in adjustable fixed connection with the positioning block 33 through a connecting piece on the threaded through hole.
The base plate 422 is also provided with a limiting mechanism 7;
the limiting mechanism 7 comprises a hinge seat 71, a hinge plate 72 and a limiting column 73;
the hinge seat 71 is fixedly arranged on the base plate 422;
the limiting column 73 is fixedly arranged on the cylinder supporting plate 411 through a limiting connecting plate;
the hinged plate 72 is provided with a chute matched with the limit column 73;
one end of the hinge plate 72 is hinged to the hinge seat 71.
The stroke of the mounting cylinder 421 is limited by the limiting mechanism 7; the piston rod of the mounting cylinder 421 extends and retracts to drive the cylinder support plate 411 to move in the horizontal direction, so as to drive the limit column 73 fixed with the cylinder support plate to move in the horizontal direction; the position is limited by a sliding groove on the hinged plate 72.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.

Claims (5)

1. The special welding fixture for the guide pipe of the automobile metal oil filling pipe is characterized by comprising a positioning table, a pipe body oil filling port clamping device, a pipe body tail clamping device and a guide pipe clamping device;
the pipe body oil filling port clamping device comprises a transverse cylinder, a longitudinal cylinder, a front gear limiting plate, a rear gear limiting plate and a rear gear cylinder;
the transverse cylinder is fixedly arranged at the bottom of the positioning table;
the longitudinal cylinder is vertically and fixedly arranged at the piston rod end of the transverse cylinder;
the front gear limiting plate is fixedly arranged at the piston rod end of the longitudinal cylinder and moves up and down through the longitudinal cylinder;
the positioning table is provided with a notch extending out of the front stop limiting plate;
the front gear limiting plate is provided with a first opening matched with the flow guide pipe;
the rear baffle cylinder is horizontally and fixedly arranged at the top of the positioning table and positioned on one side of the front baffle limiting plate;
the rear gear limiting plate is vertically and fixedly arranged at the piston rod end of the rear gear cylinder and is matched with the front gear limiting plate;
the rear gear limiting plate is provided with a second opening matched with the pipe body;
before the oil filling pipe is placed, the front gear limit plate and the rear gear limit plate respectively move to set positions,
the pipe body tail clamping device comprises a lower supporting seat, a positioning sleeve rod, a positioning block and a guide block;
the lower supporting seat is fixedly arranged below the positioning table;
the positioning block is fixedly arranged at the bottom of the lower supporting seat;
the positioning sleeve rod is matched with the oil filling pipe and is adjustably and fixedly arranged on the positioning block;
the guide block is fixedly arranged at the bottom of the lower supporting seat; the guide block is provided with an insertion notch matched with the oil filling pipe;
the honeycomb duct clamping device comprises a honeycomb duct clamping mechanism and a honeycomb duct mounting mechanism;
the honeycomb duct clamping mechanism comprises a cylinder supporting plate, a pressing cylinder A, a pressing cylinder B and a rear support seat;
the rear supporting seat is fixedly arranged on the cylinder supporting plate through a connecting block and is matched with the front baffle limiting plate;
the pressing air cylinder A and the pressing air cylinder B are symmetrically arranged on the air cylinder supporting plate;
a piston rod end of the pressing cylinder A is provided with a pressing claw A which is fixedly connected;
a piston rod end of the pressing cylinder B is provided with a pressing claw B which is fixedly connected;
the guide pipe is fixedly arranged on the rear support seat through a pressing claw A and a pressing claw B which are symmetrically arranged;
the draft tube mounting mechanism comprises a mounting cylinder, a base plate and a pair of guide rails;
the base plate is horizontally and fixedly arranged on the positioning table;
the pair of guide rails are symmetrically and fixedly arranged on the top of the base plate;
the cylinder supporting plate is connected with the guide rail through a sliding block;
the mounting cylinder is horizontally and fixedly arranged on the base plate; the end of the piston rod of the mounting cylinder is fixedly connected with the end of the cylinder supporting plate;
the cylinder supporting plate slides on the pair of guide rails through the installation cylinder, and the guide pipe on the guide pipe clamping mechanism is moved to the pipe opening of the pipe body.
2. The welding jig special for the honeycomb duct of the metal fuel filler pipe of the automobile according to claim 1, further comprising a neck section fixing mechanism;
the neck section fixing mechanism comprises a clamping cylinder frame A, a strong welding clamping cylinder A, an upper pressing block A and a base frame A;
the base frame A is fixedly arranged on the positioning table, and the top of the base frame A is provided with a socket A matched with the pipe body;
the clamping cylinder frame A is vertically and fixedly arranged on the positioning table and is positioned on one side of the rear gear limiting plate;
the strong welding clamping cylinder A is vertically and fixedly arranged on the clamping cylinder frame A;
the upper pressing block A is fixedly arranged on a clamping arm of the strong welding clamping cylinder A and is matched with the pipe body.
3. The welding jig special for the flow guide pipe of the metal oil filling pipe of the automobile as claimed in claim 1, further comprising a tail fixing mechanism;
the tail fixing mechanism comprises a clamping cylinder frame B, a strong welding clamping cylinder B, an upper pressing block B and a base frame B;
the base frame B is obliquely and fixedly arranged on the lower supporting seat, and the top of the base frame B is provided with a socket B matched with the pipe body;
the clamping cylinder frame B is obliquely and fixedly arranged on the lower supporting seat and is positioned on one side of the positioning sleeve rod;
the strong welding clamping cylinder B is obliquely and fixedly arranged on the clamping cylinder frame B;
and the upper pressing block B is fixedly arranged on a clamping arm of the strong welding clamping cylinder B and is matched with the pipe body.
4. The special welding fixture for the flow guide pipe of the metal oil filling pipe of the automobile as claimed in claim 1, wherein the positioning block is provided with a sleeve hole matched with the positioning sleeve rod;
the positioning block is provided with a threaded through hole communicated with the sleeve hole, and the positioning sleeve rod is in adjustable fixed connection with the positioning block through a connecting piece on the threaded through hole.
5. The welding fixture special for the flow guide pipe of the metal oil filling pipe of the automobile as claimed in claim 1, wherein a limiting mechanism is further arranged on the base plate;
the limiting mechanism comprises a hinge seat, a hinge plate and a limiting column;
the hinged seat is fixedly arranged on the base plate;
the limiting column is fixedly arranged on the cylinder supporting plate through a limiting connecting plate;
the hinged plate is provided with a sliding chute matched with the limiting column;
one end of the hinged plate is hinged on the hinged seat.
CN201922336097.4U 2019-12-23 2019-12-23 Special welding fixture for honeycomb duct of automobile metal oil filling pipe Active CN211248964U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922336097.4U CN211248964U (en) 2019-12-23 2019-12-23 Special welding fixture for honeycomb duct of automobile metal oil filling pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922336097.4U CN211248964U (en) 2019-12-23 2019-12-23 Special welding fixture for honeycomb duct of automobile metal oil filling pipe

Publications (1)

Publication Number Publication Date
CN211248964U true CN211248964U (en) 2020-08-14

Family

ID=71965794

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922336097.4U Active CN211248964U (en) 2019-12-23 2019-12-23 Special welding fixture for honeycomb duct of automobile metal oil filling pipe

Country Status (1)

Country Link
CN (1) CN211248964U (en)

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