CN212665322U

CN212665322U - Air conditioner pipeline welding positioning tool

Info

Publication number: CN212665322U
Application number: CN202021511720.1U
Authority: CN
Inventors: 孙业尧
Original assignee: Shandong Peirce Co ltd
Current assignee: Shandong Peirce Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-09
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses an air conditioner pipeline welding position frock, it includes base, locating plate, thimble mechanism and elevating system, equidistant a plurality of through-hole that sets up on the locating plate, thimble mechanism includes thimble, spring and compression bolt, the upper end of through-hole sets up the internal thread with compression bolt complex, and the lower extreme of through-hole sets up fender ring I, the thimble upper end sets up the fender ring II with fender ring I complex, the spring is located between thimble and the compression bolt; the lifting mechanism is arranged between the base and the positioning plate. The utility model discloses convenient operation, efficient.

Description

Air conditioner pipeline welding positioning tool

Technical Field

The utility model relates to an air conditioner pipeline welding position frock.

Background

The existing welding positioning tool is divided into two forms:

positioning by using a sheet metal part: this mode is the hole site that uses numerical control to dash the processing interval equal on the sheet metal component, fixes a position in proper order in inserting the thick pipe in bottom with little copper pipe through this hole during the welding, but this kind of mode has three defect: 1. after welding, the small copper pipe or the sheet metal part is deformed due to uneven heating and cooling, and the positioning tool is not easy to take down; 2. the top of the small copper pipe can not be blocked during welding, nitrogen is filled for failure, and the steps of acid washing, drying, wastewater treatment and the like are needed after welding; 3. the welded back tube needs secondary positioning correction.

Special location frock: the positioning tool is characterized in that after all small branch pipes are fixed on a positioning plate, the positioning plate and the small copper pipes are butted with a thick copper pipe together, and the two defects exist in the same way, namely 1, after the small branch pipes are positioned, the small copper pipes are aligned with the thick copper pipe one by using a sharp-nose pliers; 2. the tool is complex to disassemble and assemble and long in time, and needs two persons to operate (one person installs the branch pipe and positions, and the other person disassembles the tool).

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model provides a convenient operation, efficient air conditioner pipeline welding position frock.

The utility model provides a technical scheme that its technical problem adopted is: an air conditioner pipeline welding and positioning tool comprises a base, a positioning plate, an ejector pin mechanism and a lifting mechanism, wherein a plurality of through holes are formed in the positioning plate at equal intervals, the ejector pin mechanism comprises an ejector pin, a spring and a pressing bolt, an internal thread matched with the pressing bolt is arranged at the upper end of each through hole, a retaining ring I is arranged at the lower end of each through hole, a retaining ring II matched with the retaining ring I is arranged at the upper end of the ejector pin, and the spring is located between the ejector pin and the pressing bolt; the lifting mechanism is arranged between the base and the positioning plate.

Furthermore, support rods are arranged on the left side and the right side of the base, guide pillars are arranged below the front ends of the support rods, and guide pillar through holes corresponding to the guide pillars are respectively arranged at the left end and the right end of the positioning plate.

Further, the thimble includes the tip and can dismantle the head, the bottom surface of tip is provided with the screw hole, can dismantle the upper end of head and be provided with the screw thread head that corresponds with the screw hole. Furthermore, the lower end of the through hole is a square hole, and the outer side of the baffle ring II is a square edge matched with the square hole.

Furthermore, the lifting mechanism comprises a sliding block, an upright post and an air cylinder, the front end of the sliding block is connected with the positioning plate, the sliding block is slidably arranged on the upright post, a piston rod of the air cylinder is connected with the sliding block, and a cylinder body of the air cylinder is fixed on the upright post.

Furthermore, an inner hexagonal groove is formed in the top of the compression bolt.

The utility model has the advantages that:

compared with the former positioning mode, the design has the following advantages:

the process is simplified, and the cost is saved: compared with a metal plate positioning mode, the structure can realize the welding and nitrogen filling of the sealing pipe orifice, and omits the steps of pickling, drying, wastewater treatment and the like after welding, thereby improving the production efficiency and saving the production cost;

the efficiency is improved: the tool can be quickly positioned by using the air cylinder, the bolt does not need to be disassembled, and only the pedal switch is needed to control the air cylinder to move up and down, so that the production period is shortened, and one labor force is reduced;

the positioning is convenient: the tool positions the small copper tube by means of the elastic force of a spring at the bottom of the thimble in the positioning plate, the thimble is jacked upwards when the small copper tube is installed, the small copper tube is automatically jacked by means of the elastic force after being aligned with the hole position of the thick tube, and the tube orifice can be plugged;

the universality is strong, the adjustment is rapid: the cylinder can adjust the height at will, and it is general to realize multiple specification according to the adjustment cylinder height before different pipe diameters, length part welding. And the thimbles with different specifications can be replaced quickly.

Drawings

FIG. 1 is a schematic view of the overall structure (front side) of the present invention;

FIG. 2 is a schematic view of the whole structure (reverse side) of the present invention;

FIG. 3 is a schematic view of the thimble mechanism of the present invention;

in the figure, a base 1, a support rod 11, a guide post 12, a positioning plate 2, a through hole 21, a baffle ring I211, a thimble mechanism 3, a thimble 31, a baffle ring II 311, an end 312, a threaded hole 3121, a detachable head 313, a threaded head 3131, a spring 32, a hold-down bolt 33, a slide block 41, a column 42, a thick copper pipe 5 and a small copper pipe 6.

Detailed Description

For a better understanding of the present invention, embodiments thereof are explained in detail below with reference to the accompanying drawings.

As shown in the accompanying drawings 1 and 3, the utility model discloses an air conditioner pipeline welding position frock includes base 1, locating plate 2, thimble mechanism 3 and elevating system, 2 equidistance on the locating plate set up a plurality of through-hole 21, thimble mechanism 3 includes thimble 31, spring 32 and clamp bolt 33, the upper end of through-hole 21 sets up and clamp bolt 33 complex internal thread, and the lower extreme of through-hole 21 sets up and keeps off ring I211, thimble 31 upper end set up and keep off ring II 311 of I211 complex, spring 32 is located between thimble 31 and the clamp bolt 33. The lifting mechanism is arranged between the base 1 and the positioning plate 2, and the positioning plate 2 can move up and down under the driving of the lifting mechanism. In order to improve stability, support rods 11 may be disposed on the left and right sides of the base 1, guide posts 12 are disposed below the front ends of the support rods 11, guide post through holes corresponding to the guide posts 12 are respectively disposed on the left and right ends of the positioning plate 2, and the guide posts 12 may slide in the guide post through holes after passing through the guide post through holes.

In order to use the pipeline welding of same frock operation different specifications, the utility model designs a can conveniently change the thimble structure, it is specific, thimble 31 includes tip 312 and can dismantle head 313, the bottom surface of tip 312 is provided with screw hole 3121, can dismantle the upper end of head 313 and be provided with the thread head 3131 that corresponds with screw hole 3121. When pipelines with different diameters are welded, the detachable head 313 is unscrewed and replaced to be the proper size. In order to facilitate screwing of the detachable head 313, the lower end of the through hole 21 is a square hole, and the outer side of the baffle ring II 311 is a square edge matched with the square hole, so that the end 312 cannot rotate during screwing.

As the utility model discloses a preferred embodiment of 2 lifting means of locating plate, elevating system includes slider 41, stand 42 and cylinder (not drawing the cylinder in the drawing), slider 41's front end and locating plate 2 are connected, are provided with the slide on the stand 42, and slider 41 slidable sets up on the slide of stand 42, and the piston rod and the slider 41 of cylinder are connected, and the cylinder body of cylinder is fixed on stand 42. Of course, the air cylinder may be replaced by a ball screw, a hydraulic cylinder, or a rack and pinion.

For convenient screwing, an inner hexagonal groove is arranged at the top of the compression bolt 33. Of course, the top of the hold-down bolt 33 may be designed to be an outer hexagon.

The utility model discloses application method as follows:

a thick copper pipe 5 with the bottom to be welded is placed at the bottom of the tool, and then a small copper pipe 6 is taken to adjust the height of the positioning plate 2, so that the positioning plate is proper in height.

The small copper tubes 6 to be installed are sequentially jacked up the thimble 31, the bottom of the thimble 31 is inserted into the corresponding hole of the thick copper tube 5, and the thimble 31 can be pushed to jack up the small copper tubes 6 by the elasticity of the spring 32 because the spring 32 is arranged at the bottom of the thimble 31.

After the welding is finished, the pedal switch is stepped on, the cylinder drives the positioning plate 2 to move upwards, and then the small copper pipe and the copper pipe component are taken down.

It should be noted that although the present specification describes embodiments, not every embodiment includes only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. The utility model provides an air conditioner pipeline welding position frock which characterized in that: the ejector pin mechanism comprises an ejector pin, a spring and a pressing bolt, wherein a plurality of through holes are formed in the positioning plate at equal intervals, the ejector pin mechanism comprises the ejector pin, the spring and the pressing bolt, internal threads matched with the pressing bolt are formed in the upper end of each through hole, a retaining ring I is arranged at the lower end of each through hole, a retaining ring II matched with the retaining ring I is arranged at the upper end of the ejector pin, and the spring is located between the ejector pin and the pressing bolt; the lifting mechanism is arranged between the base and the positioning plate.

2. The air conditioner pipeline welding and positioning tool of claim 1, wherein support rods are arranged on the left side and the right side of the base, guide posts are arranged below the front ends of the support rods, and guide post through holes corresponding to the guide posts are respectively arranged on the left end and the right end of the positioning plate.

3. The air conditioner pipeline welding positioning tool according to claim 1 or 2, wherein the thimble comprises an end portion and a detachable head, a threaded hole is formed in the bottom surface of the end portion, and a threaded head corresponding to the threaded hole is arranged at the upper end of the detachable head.

4. The air conditioner pipeline welding positioning tool according to claim 3, wherein the lower end of the through hole is a square hole, and the outer side of the baffle ring II is a square edge matched with the square hole.

5. The air conditioner pipeline welding positioning tool according to claim 1 or 2, wherein the lifting mechanism comprises a sliding block, an upright post and an air cylinder, the front end of the sliding block is connected with the positioning plate, the sliding block is slidably arranged on the upright post, a piston rod of the air cylinder is connected with the sliding block, and a cylinder body of the air cylinder is fixed on the upright post; the cylinder is connected with a foot switch.

6. The air conditioner pipeline welding positioning tool of claim 1 or 2, wherein an inner hexagonal groove is formed in the top of the compression bolt.