CN210172884U - Motor car cab waste water tank welding tool - Google Patents

Abstract

The utility model belongs to the technical field of the vehicle equipment, a motor car cab wastewater tank welding frock is disclosed, the wastewater tank is including the preceding shrouding that connects gradually, barrel and back shrouding, still connect and lower tube mouth connects including the preceding mouth of pipe of locating preceding shrouding department mutually perpendicular, preceding shrouding both sides are equipped with left front lug respectively, right front lug, back shrouding both sides are equipped with left back lug respectively, right back lug, the welding frock includes the bottom plate, the end plate that sets up with the bottom plate is perpendicular, be equipped with the mouth of pipe before the bottom plate and the end plate respectively and be used for positioning the wastewater tank before the welding and connect, the fastener that lower tube mouth connects, still be equipped with the lug supporting seat that corresponds with each lug position of wastewater tank. According to the structural requirements of the waste water tank, the fastening devices corresponding to the positions of the front pipe orifice joint and the lower pipe orifice joint are arranged on the end plate and the bottom plate respectively, so that a good position positioning mode is provided for each pipe orifice joint of the waste water tank, and the assembly size and the verticality of each pipe orifice joint on the waste water tank are finally ensured.

Description

Motor car cab waste water tank welding tool

Technical Field

The utility model relates to a vehicle equipment technical field specifically, relates to a motor car cab wastewater tank welding frock.

Background

There is a small-size waste water tank among cab bathroom system, and its box is formed by a plurality of special-shaped structure component assembly welding, and each part interface assembly size requires highly, and especially the straightness that hangs down and the space dimension requirement each other between the preceding mouth of pipe joint on the preceding shrouding and the lower mouth of pipe joint of barrel bottom are very strict, and the drawing requirement hangs down straightness within 0.5 mm. The whole space structure of the waste water tank is complex, the front sealing plate and the rear sealing plate are not regular sheet metal structural members, and when the front sealing plate and the rear sealing plate are assembled with the cylinder, manual assembly is very difficult, errors are large, efficiency is low, batch production cannot be realized, and the size requirement of a welded product cannot be guaranteed.

In addition, the whole waste water tank needs pickling passivation after being welded, so that the surface of the tank body is not scratched before pickling passivation, and in addition, pickling passivation also has an air tightness requirement, namely all parts of the waste water tank are required to be assembled and welded well, so that the whole sealing performance is ensured.

Disclosure of Invention

The utility model provides a technical problem lie in overcoming prior art's defect, provide a can effectively guarantee motor car cab wastewater tank welding frock of part equipment precision and efficiency.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a motor car cab wastewater tank welding frock, the wastewater tank is including the preceding shrouding that connects gradually, barrel and back shrouding, still including locating preceding shrouding department mutually perpendicular's preceding mouth of pipe joint and lower mouth of pipe joint, preceding shrouding both sides are equipped with left front lug respectively, right front lug, back shrouding both sides are equipped with left back lug respectively, right back lug, the welding frock includes the bottom plate, the end plate that sets up perpendicularly with the bottom plate, be equipped with respectively on bottom plate and the end plate and be used for before the welding positioning wastewater tank mouth of pipe joint, the fastener that lower mouth of pipe connects, still be equipped with the lug supporting seat that corresponds with each lug position of wastewater tank respectively on the bottom.

Further, the fastening device comprises a positioning plate attached to the surface of the end plate/bottom plate and a fastening sleeve arranged on the positioning plate, and the front pipe orifice joint/lower pipe orifice joint is inserted into the periphery of the fastening sleeve for fixing.

Furthermore, the fastening sleeve is provided with an inner hole, a plurality of separation notches extending to the end face are formed in the edge of the periphery of the fastening sleeve, a conical fastening lock cylinder is installed in the inner hole of the fastening sleeve, a conical small end of the fastening lock cylinder extends into the inner hole, a threaded hole is formed in the center of the fastening lock cylinder, a through hole is formed in the position, corresponding to the threaded hole of the fastening lock cylinder, of the end plate/bottom plate, and a bolt can be placed in the through hole and is screwed with the threaded hole of the fastening lock.

And furthermore, the periphery of the positioning plate is also provided with a positioning sleeve vertically attached to the surface of the end plate, and the other end surface of the positioning sleeve is attached to the surface of the front sealing plate.

Still further, the positioning sleeve inner surface is provided with a sinking platform for limiting the end part of the front pipe orifice joint/lower pipe orifice joint.

Furthermore, the top of the lifting lug supporting seat is provided with a baffle plate used for limiting the lifting lug.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) according to the structural requirements of the waste water tank, fastening devices corresponding to the positions of the front pipe orifice joint and the lower pipe orifice joint are respectively arranged on the end plate and the bottom plate, so that an excellent position positioning mode is provided for each pipe orifice joint of the waste water tank, and the assembly size and the verticality of each pipe orifice joint on the waste water tank are finally ensured;

2) the fastening device can provide an excellent positioning reference for the front sealing plate, so that the front sealing plate, the cylinder body and the rear sealing plate are smoothly assembled and positioned;

3) the position of the front sealing plate is ensured by a fastening device, the position of the rear sealing plate is assisted by a related lifting lug supporting seat, the whole size of the waste water tank can be ensured to be assembled in place, a foundation guarantee is provided for the sealing performance of the whole waste water tank after welding, and after welding is finished, a shaping and adjusting process is not needed;

4) the pre-positioning of each pipe orifice joint and the fastening device is determined by a fastening lock cylinder and a fastening sleeve, the fastening lock cylinder moves forwards in the fastening sleeve by screwing with a bolt, the coaxiality of each pipe orifice joint and the fastening device can be effectively ensured, the pipe orifice joint and the fastening device are not eccentric in the pre-positioning process, and finally, the pipe orifice joint and the fastening device can be accurately welded on the front sealing plate;

5) after the peripheral edge of the fastening sleeve is provided with a plurality of separation notches, a structure similar to a gripper is formed at the position, and the gripper is expanded by the conical fastening lock cylinder in the process of screwing the fastening lock cylinder with the bolt, so that the gripper is firmly supported on the inner periphery of each pipe orifice joint, the position stability of each pipe orifice joint is ensured, and the coaxiality of each pipe orifice joint and the fastening device is also assisted to be ensured;

6) the sinking platform on the inner surface of the positioning sleeve can provide a limiting effect for each pipe orifice joint, the position size of the sinking platform is preset, and therefore a limit can be provided for screwing the fastening lock cylinder and the bolt.

Drawings

FIG. 1 is a schematic view showing the structure of a waste water tank according to example 1;

FIG. 2 is a schematic structural view of a waste water tank of example 1 placed on a welding fixture;

fig. 3 is a schematic perspective view of the welding tool according to embodiment 1;

fig. 4 is a schematic structural view of the fastening device according to embodiment 1 connected to a front nozzle joint/lower nozzle joint.

Detailed Description

The invention will be further described with reference to specific embodiments, wherein the drawings are designed solely for the purpose of illustration and not as a definition of the limits of the patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in fig. 1-3, a motor car cab wastewater tank welding tool is provided, the wastewater tank includes preceding shrouding 11 that connects gradually, barrel 12 and back shrouding 13, still including locating preceding shrouding 11 department mutually perpendicular's preceding mouth of pipe joint 14 and lower mouth of pipe joint 15, preceding shrouding 11 surface is located to preceding mouth of pipe joint 14, lower mouth of pipe joint 15 sets up shrouding 11 bottom in the front, preceding shrouding 11 both sides are equipped with left front lug 16 respectively, lug 17 before the right side, back shrouding 13 both sides are equipped with left back lug 18 respectively, right back lug 19, the welding tool includes bottom plate 2, end plate 3 with the perpendicular setting of bottom plate, be equipped with respectively on bottom plate 2 and the end plate 3 and be used for fixing a position the preceding mouth of wastewater tank before the welding and connect, the fastener 4 that the mouth of pipe connects down, still be equipped with the lug supporting seat 5 that.

The bottom plate 2 is placed on the weldment work platform, and the recess (not shown) of installation end plate 3, lug supporting seat 5 is seted up at the corresponding position to 2 upper surfaces of bottom plate to ensure that end plate and lug supporting seat location are accurate, the bottom plate lower surface has the hole that link up the recess and supplies the bolt to get into to fix end plate and lug supporting seat.

Specifically, the fastening device 4 includes a positioning plate 41 disposed in contact with the end plate/bottom plate surface and a fastening sleeve 42 disposed on the positioning plate, and the front nozzle joint/lower nozzle joint is inserted into the outer periphery of the fastening sleeve 42 and fixed.

In order to ensure the stability of the front pipe orifice joint/lower pipe orifice joint outside the fastening sleeve, as shown in fig. 4, the fastening sleeve is provided with an inner hole, and the periphery of the fastening sleeve is provided with a plurality of separation notches 421 extending to the end surface, the plurality of separation notches are arranged to make the end part of the fastening sleeve have the function of tightness, the inner hole of the fastening sleeve is provided with a conical fastening lock core 43, the conical small end of the fastening lock core 43 extends into the inner hole, the center of the fastening lock core 43 is provided with a threaded hole 431, the end plate/bottom plate is provided with a through hole at the position corresponding to the threaded hole of the fastening lock core, a bolt 6 can be placed in the through hole to be screwed with the threaded hole 431 of the fastening lock core, the fastening lock core 43 slides towards the inner hole along with the screwing of the bolt, the end part of the separation notch of the fastening sleeve is gradually enlarged due to the conical shape, while the front pipe orifice, the outer circumference of the end will be fully tensioned and will fit the inner circumference of the front/lower nozzle joint, like a gripper structure.

Although the fastening sleeve can grasp and position the front pipe orifice joint/lower pipe orifice joint, the bolt is screwed manually and is related to manual force, so that the position of the 'hand-grasping structure' in the front pipe orifice joint/lower pipe orifice joint may be different every time, and a determined positioning position of the front sealing plate 11 cannot be given.

For making the location of preceding shrouding more reliable, position sleeve 44 internal surface still is provided with and is used for the spacing heavy platform 441 of preceding mouth of pipe joint/lower mouth of pipe joint tip, the heavy platform degree of depth is set for according to waste water tank structure size in advance, specifically be the length of preceding mouth of pipe joint protrusion in preceding shrouding surface or the length of lower mouth of pipe joint protrusion in the barrel lower surface, at this moment, the welding frock has carried out dual location in other words to preceding shrouding 11, the laminating location of shrouding surface before existing promptly, there is the laminating location to preceding mouth of pipe joint 14 terminal surfaces again, the location of lower mouth of pipe joint department is with the reason, do not redundantly here.

In addition, 5 tops of lug supporting seat are equipped with and are used for carrying on spacing baffle 51 to each lug, and the setting of lug supporting seat mainly can carry out good locate action to the back shrouding, makes it target in place with the barrel assembly.

The welding frock use of this embodiment is as follows: the front pipe orifice joint 14 and the lower pipe orifice joint 15 are placed on the fastening sleeve 42 for prepositioning (the end faces of the pipe orifice joints need to be attached to a sunken table top), the front sealing plate 11, the barrel 12 and the rear sealing plate 13 are sequentially placed on the bottom plate 2 and the lifting lug supporting seat 5, wherein the front pipe orifice joint and the lower pipe orifice joint need to be inserted into a step position set by the waste water tank, the outer surface of the front sealing plate 11 is attached to a positioning sleeve 44 end face, then the screw-in bolt 6 is screwed with the fastening lock cylinder 43, the end part of the fastening sleeve with the separation notch is used for stably positioning the front pipe orifice joint/the lower pipe orifice joint, then arc welding and spot fixing can be carried out on the joints of each part, after welding is finished, cooling is carried out, the.

The welding fixture is used for welding the waste water tank, the waste water tank cannot be directly contacted with the workbench, the contact surface of the welding fixture and the waste water tank is subjected to high-precision machining, the flatness and the roughness of the welding fixture are high in standard, and indentation damage is basically avoided when the welding fixture is directly contacted with the waste water tank. In addition, the waste water tank processed by the welding tool does not need to be subjected to shaping and adjusting procedures after the tire is removed, and all the sizes can be completely guaranteed to be qualified.

It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (6)

1. The utility model provides a motor car cab waste water tank welding frock, the waste water tank is including the preceding shrouding that connects gradually, barrel and back shrouding, still including locating preceding shrouding department mutually perpendicular's preceding mouth of pipe joint and lower mouth of pipe joint, preceding shrouding both sides are equipped with left front lug respectively, right front lug, back shrouding both sides are equipped with left back lug respectively, right back lug, a serial communication port, welding frock includes the bottom plate, the end plate that sets up perpendicularly with the bottom plate, be equipped with respectively on bottom plate and the end plate and be used for fixing a position the waste water tank preceding mouth of pipe joint before the welding, the fastener that lower mouth of pipe connects, still be equipped with the lug supporting seat that corresponds with each lug position.

2. The tool for welding the wastewater tank in the cab of the motor vehicle as claimed in claim 1, wherein the fastening device comprises a positioning plate attached to the surface of the end plate/bottom plate and a fastening sleeve arranged on the positioning plate, and the front pipe orifice joint/lower pipe orifice joint is inserted into the periphery of the fastening sleeve and fixed.

3. The tool for welding the waste water tank of the motor car cab as claimed in claim 2, wherein the fastening sleeve is provided with an inner hole, a plurality of separation notches extending to the end face are formed in the periphery of the fastening sleeve, a conical fastening lock cylinder is mounted in the inner hole of the fastening sleeve, a conical small end of the fastening lock cylinder extends into the inner hole, a threaded hole is formed in the center of the fastening lock cylinder, a through hole is formed in the end plate/bottom plate at a position corresponding to the threaded hole of the fastening lock cylinder, and a bolt can be placed in the through hole and screwed with the threaded hole of the fastening lock cylinder.

4. The motor car cab wastewater tank welding tool according to claim 2 or 3, wherein a positioning sleeve vertically attached to the surface of the end plate is further arranged on the periphery of the positioning plate, and the other end face of the positioning sleeve is attached to the surface of the front sealing plate.

5. The motor car cab wastewater tank welding tool as claimed in claim 4, wherein a sinking platform for limiting the end of the front pipe orifice joint/lower pipe orifice joint is arranged on the inner surface of the positioning sleeve.

6. The motor car cab wastewater tank welding tool according to claim 1, wherein a baffle plate for limiting the lifting lug is arranged at the top of the lifting lug supporting seat.

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