CN216462417U - High-efficient accurate positioner of steel seat round pin - Google Patents
High-efficient accurate positioner of steel seat round pin Download PDFInfo
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- CN216462417U CN216462417U CN202122999675.XU CN202122999675U CN216462417U CN 216462417 U CN216462417 U CN 216462417U CN 202122999675 U CN202122999675 U CN 202122999675U CN 216462417 U CN216462417 U CN 216462417U
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Abstract
The utility model provides a high-efficiency and accurate positioning device for a steel seat pin, which comprises a cylindrical shell and a welding tool, wherein a spigot is arranged at one end of the shell, a plurality of supporting bulges used for horizontally supporting the shell are arranged at the other end of the shell around an axis, the welding tool comprises a supporting plate and a plurality of supporting columns which are vertically fixed on the same surface of the supporting plate and matched with the supporting bulges, a mounting hole used for accommodating the steel seat pin is coaxially formed in the movable end of each supporting column, and a welding table used for being in contact with the steel seat pin in the mounting hole and welding the steel seat pin is arranged on each supporting bulge. The utility model solves the problems of time and labor waste in the welding and positioning of the steel seat pin in the prior art, and has the effects of improving the welding efficiency and the positioning precision of the steel seat pin and reducing the input cost of the positioning tool.
Description
Technical Field
The utility model relates to the technical field of compressors, in particular to a high-efficiency and accurate positioning device for a steel seat pin.
Background
A steel dowel pin is welded in the lower shell of the compressor and is used for positioning the pump body in the shell. Therefore, whether the steel seat pin is welded smoothly or not and whether the positioning is accurate or not can influence the installation state of the pump body, and further influence the performance, noise and reliability level of the compressor. In the current assembly production, the positioning of the steel seat pin is mostly based on the housing spigot, and the position of the steel seat pin on the welding plane is determined by the determined size of the spigot, wherein two errors exist: 1. the error between the seam allowance and the welding plane; 2. the seam allowance has errors. Meanwhile, during production, the welding tool also generates inevitable errors due to aging and the like during use, and the inevitable errors are expected to be reduced or avoided during production.
In order to position the welding plane, the seam allowance is used as a reference, and in order to ensure that the seam allowance is effective, a set of tool matched with a specific seam allowance is needed, so that two sets of tools are often needed for welding the steel seat pin, and different shells cannot be used universally due to different seam allowance sizes, so that not only is the cost and expense caused, but also the time and cost are wasted due to the fact that the tool is replaced when the shells are switched.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides an efficient and accurate positioning device for a steel seat pin, which solves the problems that the welding positioning of the steel seat pin in the prior art is time-consuming and labor-consuming.
According to the embodiment of the utility model, the efficient and accurate positioning device for the steel seat pin comprises a cylindrical shell and a welding tool, wherein a spigot is arranged at one end of the shell, a plurality of supporting bulges used for horizontally supporting the shell are arranged at the other end of the shell around an axis, the welding tool comprises a supporting plate and a plurality of supporting columns which are vertically fixed on the same surface of the supporting plate and matched with the supporting bulges, mounting holes used for accommodating the steel seat pin are coaxially formed in the movable ends of the supporting columns, and welding platforms used for contacting with the steel seat pin in the mounting holes and welding the steel seat pin are arranged on the supporting bulges.
Preferably, the end face of the movable end of the support column is fixedly provided with a positioning bulge, the support bulge is internally provided with a positioning groove matched with the positioning bulge, and the positioning bulge is positioned at the end part of the end face of the support column.
Preferably, the position of each positioning protrusion on the end surface of the support column is different.
Preferably, the length of the support column is greater than the length of the housing.
Preferably, all the supporting protrusions are located at an edge portion of the housing.
Compared with the prior art, the utility model has the following beneficial effects:
the support plates are horizontally placed, the shell is supported through the support columns, each support column can be inserted into a corresponding support protrusion, a steel seat pin is placed in each mounting hole, the top end of each steel seat pin is higher than the top end of each support column, the top end of each steel seat pin is in contact with the inner wall of the welding table, the outer peripheral surface of each steel seat pin is provided with an electrode, the outer wall of the welding table is provided with another electrode, welding spots can be melted after the welding is conducted, efficient welding of the steel seat pins is achieved, and the welding precision of the steel seat pins is improved through high-precision matching of the support columns and the support protrusions; the supporting bulges are arranged on the shell, and the supporting columns correspondingly inserted into the supporting bulges are arranged to position the steel seat pins, so that the use amount of the tool for positioning the steel seat pins is reduced, and the cost of equipment is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a housing according to an embodiment of the present invention.
Fig. 2 is a schematic view of the internal structure of the housing according to the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a welding tool in an embodiment of the utility model.
In the above drawings: 1. a housing; 11. a support boss; 12. a welding table; 13. positioning a groove; 2. welding a tool; 21. a support pillar; 22. a support plate; 23. positioning the projection; 24. and (7) installing holes.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1-3, in order to improve the positioning accuracy and welding positioning efficiency of the steel seat pin, an embodiment of the utility model provides an efficient and accurate positioning device for the steel seat pin, which includes a cylindrical housing 1 and a welding tool 2, wherein one end of the housing 1 is provided with a spigot, the other end of the housing 1 is provided with a plurality of supporting protrusions 11 for horizontally supporting the housing 1 around an axis, the welding tool 2 includes a supporting plate 22 and a plurality of supporting columns 21 vertically fixed on the same surface of the supporting plate 22 and matched with the supporting protrusions 11, the movable ends of the supporting columns 21 are coaxially provided with mounting holes 24 for accommodating the steel seat pin, and the supporting protrusions 11 are provided with welding tables 12 for contacting the steel seat pin in the mounting holes 24 and welding the steel seat pin.
Supporting protrusion 11 is along with the same stamping forming of casing 1, and supporting protrusion 11 is provided with threely altogether, and supporting protrusion 11 is circular, and supporting protrusion 11 is inside coaxial be provided with welding bench 12, and welding bench 12 sets up for supporting protrusion 11 protrusion, the three support columns 21 of the perpendicular fixedly connected with in the same side of backup pad 22. When carrying out steel seat round pin welding, place backup pad 22 level, insert the mounting hole 24 with the steel seat round pin, cover casing 1 on support column 21, and make support column 21 insert in the support protrusion 11 that corresponds, make the top of steel seat round pin and the inner wall contact of welding bench 12, install a motor that resistance welding used on the steel seat round pin, install another motor that resistance welding used in the outer wall of support protrusion 11, release huge electric current in the twinkling of an eye through the electrode, make the solder joint melt, and then realize the welding of steel seat round pin. And only the welding tool 2 is used in the welding process, so that the process of positioning the steel seat pin is simplified, the welding efficiency of the steel seat pin is improved, and the cost of the positioning tool used for welding is reduced.
As shown in fig. 2-3, in order to further improve the accuracy of positioning the steel seat pin, a positioning protrusion 23 is fixedly disposed on the end surface of the movable end of the support column 21, a positioning groove 13 adapted to the positioning protrusion 23 is disposed in the support protrusion 11, and the positioning protrusion 23 is located at the end portion of the end surface of the support column 21. Through the cooperation of location arch 23 and constant head tank 13, realize spacing to casing 1 for behind the accurate installation of casing 1 on welding frock 2, casing 1 can't take place to rock in the welding process of steel seat round pin.
As shown in fig. 2-3, in order to further improve the accuracy of positioning the steel cotter, the position of each positioning protrusion 23 on the end surface of the supporting column 21 is different. The setting is located the protruding 23 of location of corresponding support column 21 terminal surface different positions, and the protruding 23 of location and corresponding constant head tank 13 adaptation when improving casing 1's installation accuracy, improve the stability after casing 1 installs.
As a preferred embodiment of the present invention, in order to facilitate the effective insertion of the end of the supporting column 21 into the supporting boss 11, the length of the supporting column 21 is greater than the length of the housing 1. Support welding frock 2 for setting up the step, rethread welding frock 2 supports casing 1, and the form of directly supporting casing 1 through welding frock 2 can guarantee the effective contact between support column 21 and the support protrusion 11.
As shown in fig. 1-2, in order to improve the stability of the supporting protrusions 11 for the housing 1, all the supporting protrusions 11 are located at the edge of the housing 1.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (5)
1. The utility model provides a high-efficient accurate positioner of steel seat round pin which characterized in that: including cylindric casing (1) and welding frock (2), the one end of casing (1) sets up the tang, the other end of casing (1) is provided with a plurality of support archs (11) that are used for horizontal support casing (1) around the axis, welding frock (2) including backup pad (22) and a plurality of vertical fixation in backup pad (22) with the one side and with support archs (11) complex support column (21), mounting hole (24) that are used for holding the steel sheet seat round pin are seted up to the expansion end of support column (21) is coaxial, be provided with on support archs (11) and be used for with mounting hole (24) interior steel sheet seat round pin contact and welding bench (12) of welding the steel sheet seat round pin.
2. The efficient and accurate positioning device for the steel seat pin as recited in claim 1, characterized in that: the fixed location arch (23) that is provided with of terminal surface of support column (21) expansion end, be provided with in support arch (11) with constant head tank (13) of location arch (23) adaptation, location arch (23) are located the tip of support column (21) terminal surface.
3. The efficient and accurate positioning device for the steel seat pin as recited in claim 2, wherein: the position of each positioning bulge (23) on the end surface of the supporting column (21) is different.
4. The efficient and accurate positioning device for the steel seat pin as recited in claim 1, characterized in that: the length of the supporting column (21) is greater than that of the shell (1).
5. The efficient and accurate positioning device for the steel seat pin as recited in claim 1, characterized in that: all the supporting projections (11) are located at the edge of the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122999675.XU CN216462417U (en) | 2021-12-01 | 2021-12-01 | High-efficient accurate positioner of steel seat round pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122999675.XU CN216462417U (en) | 2021-12-01 | 2021-12-01 | High-efficient accurate positioner of steel seat round pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216462417U true CN216462417U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122999675.XU Active CN216462417U (en) | 2021-12-01 | 2021-12-01 | High-efficient accurate positioner of steel seat round pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216462417U (en) |
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2021
- 2021-12-01 CN CN202122999675.XU patent/CN216462417U/en active Active
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