CN211027809U - Pipe expander - Google Patents
Pipe expander Download PDFInfo
- Publication number
- CN211027809U CN211027809U CN201921894912.2U CN201921894912U CN211027809U CN 211027809 U CN211027809 U CN 211027809U CN 201921894912 U CN201921894912 U CN 201921894912U CN 211027809 U CN211027809 U CN 211027809U
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- China
- Prior art keywords
- limit switch
- plate
- pipe expander
- contact switch
- switch
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- 230000000694 effects Effects 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses an electric tube expander belongs to heat exchanger processing field. The electric tube expander includes the workstation and set up in limit switch on the workstation, wherein: when the upper edge plate of the workbench is placed correctly, the notch on the edge plate avoids the limit switch; when the upper edge plate of the workbench is placed wrongly, the limit switch is pressed below by the edge plate; when the limit switch is pressed below by the side plate, the limit switch gives an alarm and/or triggers the pipe expander to stop. The problem that the air conditioners are unqualified due to the fact that the side plates are installed wrongly is solved; the effect of improving the production qualification rate of the two air conditioners is achieved.
Description
Technical Field
The utility model relates to a heat exchanger processing field, in particular to electric tube expander.
Background
The two-unit tube expansion process of the two air conditioners is the most key process of the two-unit forming.
Due to the fact that the front side and the back side of the side plate are similar in structure, the problem that the side plate is misplaced easily occurs due to the fact that an operator is not skilled, the operation method is improper, light is dark and the like, the rate of disqualification of the two air conditioners is high, and even the two air conditioners become the primary factor of disqualification of the two air conditioners.
SUMMERY OF THE UTILITY MODEL
In order to solve the unqualified problem that sideboard installation mistake leads to two wares of air conditioner, the embodiment of the utility model provides a pipe expander. The electric tube expander includes the workstation and set up in limit switch on the workstation, wherein:
when the upper edge plate of the workbench is placed correctly, the notch on the edge plate avoids the limit switch;
when the upper edge plate of the workbench is placed wrongly, the limit switch is pressed below by the edge plate;
when the limit switch is pressed below by the side plate, the limit switch gives an alarm and/or triggers the pipe expander to stop.
Optionally, the limit switch comprises a contact switch, and the contact switch is connected in series with an equipment emergency stop switch of the pipe expander; when the limit switch is pressed below by the side plate, the contact switch is switched off, and the power supply of the equipment is cut off.
Optionally, the limit switch includes a thimble and a contact switch, and the thimble is disposed on one side of the contact switch; when the upper edge plate of the workbench is placed in a staggered mode, the edge plate pushes and presses the ejector pin, and the ejector pin presses the contact switch.
Optionally, the limit switch further comprises a mounting bracket, and the shell of the contact switch is fixed on the mounting bracket.
Optionally, the thimble is L type, the horizontal portion is fixed to the side portion of the housing of the contact switch and is disposed below the operation portion, and the vertical portion is located at a side edge of the operation portion of the contact switch.
Optionally, the mounting bracket includes an upright plate and a mounting seat, the bottom of the upright plate is fixed to the mounting seat, and the bottom of the mounting seat is fixed to the workbench.
Optionally, a first supporting plate and a second supporting plate are arranged on one side face of the vertical plate at different heights, one end of the first supporting plate extends into the contact switch, one side of the shell is fixed on the mounting seat, the other end of the shell is fixed on the mounting seat, and the other end of the second supporting plate extends into the top of the shell in an inclined mode.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
the utility model provides a pipe expander includes the workstation and sets up the limit switch on the workstation, wherein: when the upper edge plate of the workbench is correctly placed, the notch on the edge plate avoids the limit switch; when the upper edge plate of the workbench is placed wrongly, the limit switch is pressed below by the edge plate; when the limit switch is pressed below by the side plate, the limit switch gives an alarm and/or triggers the pipe expander to stop; the problem that the air conditioners are unqualified due to the fact that the side plates are installed wrongly is solved; the effect of improving the production qualification rate of the two air conditioners is achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the installation of a limit switch on a workbench of a pipe expander provided by the present invention;
fig. 2 is a schematic structural diagram of the limit switch provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The application provides a pipe expander, please refer to fig. 1, the pipe expander includes workstation 10 and sets up limit switch 20 on workstation 10, wherein: when the edge plate on the workbench 10 is placed correctly, the notch on the edge plate avoids the limit switch 20; when the edge plate on the workbench 10 is placed wrongly, the limit switch 20 is pressed below by the edge plate; when the limit switch 20 is pressed below by the side plate, an alarm is given and/or the pipe expander is triggered to stop. The problem that the air conditioners are unqualified due to the fact that the side plates are installed wrongly is solved; the effect of improving the production qualification rate of the two air conditioners is achieved. Through reporting to the police, increase the stimulation in vision and the sense of hearing for operating personnel, can guarantee the mistake proofing of sideboard reversal and prevent slow-witted, even the staff has the omission yet can not flow into back process.
Optionally, the limit switch 20 includes a contact switch 22, and the contact switch 22 is connected in series with an equipment emergency stop switch of the pipe expander; when the limit switch 20 is pressed downward by the side plate, the contact switch 22 is turned off, and the power supply of the equipment is cut off.
Optionally, referring to fig. 2, the limit switch 20 includes a thimble 21 and a contact switch 22, the thimble 21 is disposed at one side of the contact switch 22; when the side plate is displaced on the table 10, the side plate presses the thimble 21, and the thimble 21 presses the contact switch 22.
Optionally, the limit switch 20 further comprises a mounting bracket, and the housing 221 of the contact switch 22 is fixed on the mounting bracket.
Alternatively, the thimble 21 is L-shaped, the horizontal portion is fixed to the side of the housing 221 of the contact switch 22 and is disposed below the operating portion 22, and the vertical portion is located at the side of the operating portion 222 of the contact switch 22.
Optionally, the mounting bracket includes an upright plate 31 and a mounting seat 32, a bottom of the upright plate 31 is fixed to the mounting seat 32, and the mounting seat 32 is fixed to the workbench 10. Further, a first supporting plate 33 and a second supporting plate 34 are disposed on a side surface of the vertical plate at different heights, one end of the first supporting plate 33 extends into one side of the housing 221 of the contact switch 22 and the other end is fixed to the mounting base 32, and one end of the second supporting plate 34 is fixed to the mounting base 32 and the other end extends into the top of the housing 221 in an inclined manner.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a pipe expander, its characterized in that, pipe expander include the workstation and set up in limit switch on the workstation, wherein:
when the upper edge plate of the workbench is placed correctly, the notch on the edge plate avoids the limit switch;
when the upper edge plate of the workbench is placed wrongly, the limit switch is pressed below by the edge plate;
and the limit switch gives an alarm when being pressed below by the side plate, and/or triggers the pipe expander to stop.
2. The pipe expander of claim 1, wherein the limit switch comprises a contact switch in series with an equipment crash stop switch of the pipe expander; when the limit switch is pressed below by the side plate, the contact switch is switched off, and the power supply of the equipment is cut off.
3. The pipe expander according to claim 1, wherein the limit switch comprises a thimble and a contact switch, the thimble being disposed on one side of the contact switch; when the upper edge plate of the workbench is placed in a staggered mode, the edge plate pushes and presses the ejector pin, and the ejector pin presses the contact switch.
4. The pipe expander of claim 3, wherein the limit switch further comprises a mounting bracket, the housing of the contact switch being secured to the mounting bracket.
5. The pipe expander according to claim 4, wherein the ejector pin is L-shaped, and the horizontal portion is fixed to the side portion of the housing of the contact switch and disposed below the operating portion, and the vertical portion is located on the side of the operating portion of the contact switch.
6. The pipe expander of claim 4, wherein the mounting bracket comprises an upright plate and a mounting base, a bottom portion of the upright plate being fixed to the mounting base, and a bottom portion of the mounting base being fixed to the work table.
7. The pipe expander according to claim 6, wherein a first support plate and a second support plate are provided at different heights on one side of the upright plate, one end of the first support plate extends into one side of the housing of the contact switch and the other end is fixed to a mounting seat, one end of the second support plate is fixed to the mounting seat and the other end is inclined to extend into the top of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921894912.2U CN211027809U (en) | 2019-11-06 | 2019-11-06 | Pipe expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921894912.2U CN211027809U (en) | 2019-11-06 | 2019-11-06 | Pipe expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211027809U true CN211027809U (en) | 2020-07-17 |
Family
ID=71531492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921894912.2U Active CN211027809U (en) | 2019-11-06 | 2019-11-06 | Pipe expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211027809U (en) |
-
2019
- 2019-11-06 CN CN201921894912.2U patent/CN211027809U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |