CN217018996U - Combined convex welding device for shell of refrigeration compressor - Google Patents
Combined convex welding device for shell of refrigeration compressor Download PDFInfo
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- CN217018996U CN217018996U CN202122789270.3U CN202122789270U CN217018996U CN 217018996 U CN217018996 U CN 217018996U CN 202122789270 U CN202122789270 U CN 202122789270U CN 217018996 U CN217018996 U CN 217018996U
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Abstract
The utility model relates to a combined convex welding device for a shell of a refrigeration compressor, which comprises a combined power head, an upper cover assembly and a lower electrode holder, wherein the bottom end of the combined power head is fixedly provided with the upper electrode holder, a combined power piston is arranged in the combined power head, the inner side of the combined power piston is detachably provided with an upper electrode, and the upper electrode, the lower electrode and a pushing device are the same in number. The utility model adopts a method of one device, one process and multi-station combined welding by arranging the combined power head, the upper electrode seat and the lower electrode seat which are internally provided with the combined power piston and the pushing device, and carries out one-time clamping and positioning welding on a plurality of shell components, metal parts with different shapes, different materials, different positions and the like on the shell to complete the projection welding work of the shell components, thereby effectively accelerating the production beat, easily realizing the automatic projection welding production line and improving the production efficiency.
Description
Technical Field
The utility model relates to a projection welding device, in particular to a combined projection welding device for a shell of a refrigeration compressor.
Background
The upper shell of the refrigeration compressor needs to be welded with various metal parts in the processing process, the prior welding adopts a brazing mode to carry out sequential welding, the process method has the advantages of large required operation field, high welding cost, high energy consumption, low efficiency and environmental pollution, and the prior projection welding process aiming at the processing of the compressor shell is an electric resistance welding method which firstly processes one or more projection points on the binding surface of one workpiece to be welded in advance, then contacts with the surface of another workpiece, pressurizes, heats and collapses by electrifying, so that the contact points form welding points.
The traditional device for welding by adopting a projection welding process, Chinese patent (CN200820037929.1) discloses a projection welding machine, wherein a welding machine cylinder drives a projection welding upper electrode and a projection welding lower electrode to complete the welding actions of prepressing, electrifying heating and cooling in the projection welding process, but the projection welding device can only weld one workpiece at a time, has more required procedures, is difficult to form an automatic production line, has low production efficiency, does not relate to projection welding of different materials, and has general projection welding quality;
the existing projection welding device capable of performing multi-station welding, Chinese patent (CN202022128746.4) discloses a welding device for a shell support frame of an air condition compressor, wherein a plurality of groups of power assemblies simultaneously push a projection welding machine to be close to a fixed shell of the air condition compressor, the shell support frame is welded with the shell of the air condition compressor in a butt joint mode, the time of machining procedures is effectively shortened, the production efficiency is improved, and the device cannot simultaneously weld a plurality of workpieces of different materials and sizes at the same angle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a combined projection welding device for a shell of a refrigeration compressor.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a combined convex welding device of a refrigeration compressor shell comprises a combined power head and a lower electrode holder, wherein the combined power head is arranged right above the lower electrode holder, an assembly conveying device is arranged between the combined power head and the lower electrode holder, an upper electrode holder is fixedly arranged at the bottom end of the combined power head, a combined power piston is arranged inside the combined power head, an upper electrode is detachably arranged on the inner side of the combined power piston, the outer side of the upper electrode penetrates through the bottom end of the combined power head and the upper electrode holder along the length of the upper electrode and is movably sleeved with the inner side of the upper electrode holder, a pushing device is arranged at the top end of the combined power piston, a lower electrode is arranged on the inner side of the top end of the lower electrode holder, the upper electrode, the lower electrode and the pushing device are the same in number, and the upper electrode and the lower electrode are respectively and electrically connected with a power supply, clamping structures are arranged on the inner side of the bottom end of the upper electrode holder and the top end of the lower electrode holder.
In some embodiments, the upper electrode includes a first upper electrode, a second upper electrode, and a third upper electrode, the lower electrode includes a first lower electrode, a second lower electrode, and a third lower electrode, axes of the first upper electrode and the first lower electrode coincide with each other, axes of the second upper electrode and the second lower electrode coincide with each other, and axes of the third upper electrode and the third lower electrode coincide with each other.
In some embodiments, the detent structure includes a slope and a groove, and the slope and the groove are distributed on the inner side of the bottom end of the upper electrode holder and the top end of the lower electrode holder.
In some embodiments, a telescopic assembly is fixedly installed between the inner side of the combined power piston and the outer side of the top end of the upper electrode, and an input end of the telescopic assembly is electrically connected with a control device.
Further, in some embodiments, the pushing device comprises air cylinder push rods or electric push rods with different specifications.
Further, in some embodiments, the inner side of the upper electrode holder is provided with a longitudinal guide rail, and the outer side of the longitudinal guide rail and the outer side of the upper electrode are overlapped in a sliding connection.
Compared with the prior art, the utility model has the beneficial effects that:
1. by arranging the combined power head, the upper electrode holder and the lower electrode holder which are internally provided with the combined power piston and the pushing device, the device adopts a method of one-step process and multi-station combined welding to clamp and position metal parts such as a plurality of shell components, different shapes, different materials, different positions and the like on the shell once, so that the projection welding work of the shell components is completed, the production beat is effectively accelerated, the automatic projection welding production line is easy to realize, and the production efficiency is improved;
2. the combined power piston and the plurality of pushing devices are arranged at the top ends of different upper electrodes, and the lower electrodes with different depths are arranged on the lower electrode seat, so that each pair of upper electrode and lower electrode of the device applies different pressures to metal parts with different shapes, different materials, different positions and the like, the welding quality of projection welding of different workpieces at the same time is improved, and the energy consumption and the manufacturing cost of the device are reduced;
3. through set up flexible subassembly between different upper electrodes and combination formula power piston, make the device can carry out projection welding when the multistation, can carry out projection welding alone to the work piece of single station again, improved the practicality of device, be favorable to carrying out secondary operation to unqualified product.
Drawings
FIG. 1 is a schematic assembly diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a main internal structure according to a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a product according to a first embodiment of the utility model;
FIG. 4 is a schematic cross-sectional view taken along the line A-A of FIG. 3;
FIG. 5 is a schematic view of the cross-sectional structure along the direction B-B in FIG. 3;
FIG. 6 is a schematic view of the cross-sectional structure of FIG. 3 taken along the direction C-C;
in the figure: 1. a combined power head; 2. an upper electrode mount; 3. an upper cover assembly; 4. a lower electrode holder; 201. a combined power piston; 301. an air intake duct; 302. a screw; 303. sealing the binding post; 401. a first lower electrode; 402. a second lower electrode; 403. a third lower electrode; 2011. a first upper electrode; 2012. a second upper electrode; 2013. and a third upper electrode.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-6, a combined projection welding device for a refrigeration compressor shell comprises a combined power head 1, an upper cover component 3 and a lower electrode holder 4, wherein the combined power head 1 is arranged right above the upper cover component 3 and the lower electrode holder 4, a component conveying device is arranged between the combined power head 1 and the lower electrode holder 4, the upper cover component 3 is arranged on the component conveying device, an upper electrode holder 2 is fixedly arranged at the bottom end of the combined power head 1, a combined power piston 201 is arranged in the combined power head 1, an upper electrode is detachably arranged on the inner side of the combined power piston 201, the outer side of the upper electrode penetrates through the bottom end of the combined power head 1 and the upper electrode holder 2 along the length of the outer side of the upper electrode and is movably sleeved with the inner side of the upper electrode holder 2, a pushing device is arranged at the top end of the combined power piston 201, a metal workpiece is arranged on the inner side of the top end of the upper cover component 3, the outside of metal work piece is provided with the bulge loop, the outside of bulge loop and the inboard contact of upper cover subassembly 3, the quantity of metal work piece is a plurality of, the bottom electrode has been seted up to the inboard on 4 tops of lower electrode holder, the quantity of going up electrode, bottom electrode and thrust device is the same with the quantity of metal work piece, go up electrode and bottom electrode electric connection respectively has the power, the inboard of going up electrode holder 2 and lower electrode holder 4 is provided with positioner, the screens structure has been seted up to the inboard of going up electrode holder 2 bottom and the top of lower electrode holder 4.
The combined power head 1, the combined power piston 201, the upper electrode holder 2 and the lower electrode holder 4 are used as main projection welding mechanisms, the pushing device is used as a pressurizing power source, the positioning device is used as a calibration mechanism, the device adopts a method of one-step process and multi-station combined welding, and metal parts such as a plurality of shell assemblies, different shapes, different materials, different positions and the like are clamped and positioned on the shell once, so that the production beat is effectively accelerated, the actual production process is simplified, and the production efficiency is improved.
As shown in fig. 2, the metal workpieces include a first workpiece, a second workpiece and a third workpiece, and the first workpiece, the second workpiece and the third workpiece are different in size and shape.
The shapes, sizes and sizes of the first workpiece, the second workpiece and the third workpiece are set, so that the device can simultaneously perform projection welding operation on three components of the upper shell of the compressor, and the practicability of the device is improved.
As shown in fig. 2, the upper electrode includes a first upper electrode 2011, a second upper electrode 2012 and a third upper electrode 2013, the lower electrode includes a first lower electrode 401, a second lower electrode 402 and a third lower electrode 403, the bottom inner side of the first upper electrode 2011 and the inner side of the first lower electrode 401 are adapted to the outer sides of the upper and lower ends of the first workpiece, the bottom inner side of the second upper electrode 2012 and the inner side of the second lower electrode 402 are adapted to the outer sides of the upper and lower ends of the second workpiece, and the bottom inner side of the third upper electrode 2013 and the inner side of the third lower electrode 403 are adapted to the outer sides of the upper and lower ends of the third workpiece.
The upper electrode and the lower electrode of each group are matched with the corresponding workpiece, so that the upper end and the lower end of the corresponding workpiece can be accurately clamped by the electrodes of each group, the subsequent projection welding process can be smoothly carried out, and the quality of a welded finished product can be ensured.
As shown in fig. 1 and 2, the axes of the first upper electrode 2011, the first workpiece, and the first lower electrode 401 coincide with each other, the axes of the second upper electrode 2012, the second workpiece, and the second lower electrode 402 coincide with each other, and the axes of the third upper electrode 2013, the third workpiece, and the third lower electrode 403 coincide with each other.
The axes of the upper electrode and the lower electrode of each group and the corresponding workpiece are arranged, so that the stations of the electrodes of each group and the corresponding workpiece are positioned on the same vertical line, and the clamping of the electrodes of each group on the corresponding workpiece is facilitated, so that the subsequent projection welding process can be smoothly carried out.
As shown in fig. 1 and 2, the locking structure includes an inclined plane and a groove, and the inclined plane and the groove are distributed on the inner side of the bottom end of the upper electrode holder 2 and the top end of the lower electrode holder.
The arrangement of the clamping structure enables each metal workpiece to automatically align the upper electrode and the lower electrode which are matched with the upper electrode on the device when the device performs projection welding on the metal workpieces on the upper cover component 3, and the auxiliary device performs projection welding positioning.
Wherein, a telescopic component is fixedly installed between the inner side of the combined power piston 201 and the outer side of the top end of the upper electrode, and the input end of the telescopic component is electrically connected with a control device.
The arrangement of the telescopic assembly enables each upper electrode to be capable of carrying out independent pressurization operation, so that the pressurization adjustment of a single workpiece and the secondary processing of unqualified products are carried out, and the practicability of the device is improved.
As shown in fig. 3-6, a product produced by using a projection welding device for a refrigeration compressor shell assembly comprises an upper cover assembly 3, wherein an air suction pipe 301, a screw 302 and a sealing binding post 303 are welded on the inner side of the top end of the upper cover assembly 3, a projection ring is arranged on the outer side of the air suction pipe 301, and the outer side of the projection ring is welded on the inner side of the upper cover assembly 3.
As shown in fig. 3 and 4, the first workpiece is a suction pipe 301, as shown in fig. 3 and 5, the second workpiece is a screw 302, as shown in fig. 3 and 6, and the third workpiece is a sealing post 303.
Principle of operation
The upper electrode and the lower electrode are electrified, the upper cover component 3 is placed on the component conveying device, the component conveying device conveys the upper cover component 3 to the position above the lower electrode seat 4, the clamping structure automatically enables the upper cover component 3 to be automatically aligned with the upper electrode seat 2 and the lower electrode seat 4, the combined type power piston 201 is pressed downwards by the pushing device, a plurality of stations are pre-pressed at the top end of the upper cover component 3, each station is overlapped with the axis of the upper electrode and the lower electrode which are matched with the station, each metal workpiece is placed in each station, the combined type power piston 201 is pressed downwards by the pushing device, all the upper electrodes are pressed downwards simultaneously, all the metal workpieces are clamped from the upper end and the lower end together with all the lower electrodes for heating welding, and the projection welding process can be completed after the workpieces are cooled.
Example 2
The combination projection welding device of the shell of the refrigeration compressor is improved on the basis of the embodiment 1: the pushing device comprises air cylinder push rods or electric push rods with different specifications.
The pushing device is convenient to control and adjust the pressure applied to the corresponding workpiece by each upper electrode, and the welding quality of the device is improved.
Example 3
The combined projection welding device for the shell of the refrigeration compressor is improved on the basis of the embodiment 1: the inner side of the upper electrode seat 2 is provided with a longitudinal guide rail, and the outer side of the longitudinal guide rail is mutually overlapped with the outer side of the upper electrode in a sliding connection way.
The arrangement of the longitudinal guide rail limits the motion trail of the upper electrodes, so that each upper electrode is always kept in a vertical state in the process of applying pressure, the actual projection welding deviation of the device is reduced, and the welding quality of the device is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A combined convex welding device for a shell of a refrigeration compressor comprises a combined power head (1) and a lower electrode holder (4), wherein the combined power head (1) is arranged right above the lower electrode holder (4), an assembly conveying device is arranged between the combined power head (1) and the lower electrode holder (4), an upper electrode holder (2) is fixedly arranged at the bottom end of the combined power head (1), the combined convex welding device is characterized in that a combined power piston (201) is arranged inside the combined power head (1), an upper electrode is detachably arranged on the inner side of the combined power piston (201), the outer side of the upper electrode penetrates through the bottom end of the combined power head (1) and the upper electrode holder (2) along the length of the outer side of the upper electrode and is movably sleeved with the inner side of the upper electrode holder (2), and a pushing device is arranged at the top end of the combined power piston (201), the inner side of the top end of the lower electrode holder (4) is provided with a lower electrode, the number of the upper electrode, the number of the lower electrode and the number of the pushing and pressing devices are the same, the upper electrode and the lower electrode are respectively and electrically connected with a power supply, and the inner side of the bottom end of the upper electrode holder (2) and the top end of the lower electrode holder (4) are provided with clamping structures.
2. A compressor shell combination projection welding device according to claim 1, characterized in that said upper electrode comprises a first upper electrode (2011), a second upper electrode (2012) and a third upper electrode (2013), said lower electrode comprises a first lower electrode (401), a second lower electrode (402) and a third lower electrode (403), the axes of said first upper electrode (2011) and first lower electrode (401) coincide with each other, the axes of said second upper electrode (2012) and second lower electrode (402) coincide with each other, and the axes of said third upper electrode (2013) and third lower electrode (403) coincide with each other.
3. The compressor shell assembly projection welding device of claim 2, wherein the retaining structure comprises a slope and a groove, and the slope and the groove are distributed on the inner side of the bottom end of the upper electrode holder (2) and the top end of the lower electrode holder.
4. The compressor shell combined projection welding device as claimed in claim 3, wherein a telescopic assembly is fixedly installed between the inner side of the combined power piston (201) and the outer side of the top end of the upper electrode, and the input end of the telescopic assembly is electrically connected with a control device.
5. The compressor housing combination projection welding device of claim 1, wherein the pushing device comprises air cylinder push rods or electric push rods with different specifications.
6. The compressor shell assembly projection welding device of claim 1, wherein the inside of the upper electrode holder (2) is provided with a longitudinal guide rail, and the outside of the longitudinal guide rail and the outside of the upper electrode are in sliding connection with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122789270.3U CN217018996U (en) | 2021-11-15 | 2021-11-15 | Combined convex welding device for shell of refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122789270.3U CN217018996U (en) | 2021-11-15 | 2021-11-15 | Combined convex welding device for shell of refrigeration compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217018996U true CN217018996U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122789270.3U Active CN217018996U (en) | 2021-11-15 | 2021-11-15 | Combined convex welding device for shell of refrigeration compressor |
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| Country | Link |
|---|---|
| CN (1) | CN217018996U (en) |
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2021
- 2021-11-15 CN CN202122789270.3U patent/CN217018996U/en active Active
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