CN218310458U - Lubricating device of pipe bender - Google Patents
Lubricating device of pipe bender Download PDFInfo
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- CN218310458U CN218310458U CN202222889775.1U CN202222889775U CN218310458U CN 218310458 U CN218310458 U CN 218310458U CN 202222889775 U CN202222889775 U CN 202222889775U CN 218310458 U CN218310458 U CN 218310458U
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Abstract
The application discloses lubricating arrangement of bending machine relates to the field of bending machine, and it includes core bar and core, the core install in the one end of core bar, the core is equipped with a plurality of lubrication holes, and is a plurality of the lubrication hole is followed the circumference of core distributes, be equipped with the connecting hole in the core, it is a plurality of the lubrication hole communicates respectively the connecting hole, be equipped with in the core bar along axial fuel feed hole, fuel feed hole intercommunication the connecting hole, fuel feed jogged joint the fuel feed valve is installed to the one end of connecting hole, fuel feed hole's the other end is connected with the fuel feed pump. This application can improve the lubricated effect of return bend in-process.
Description
Technical Field
The utility model belongs to the technical field of bending machine and specifically relates to a lubricating arrangement of bending machine is related to.
Background
At present, in the pipeline arrangement, a bent pipe is often needed and is bent by a pipe bending machine. In the processing process of the bent pipe, in order to improve the quality of the bent pipe, the contact position of the core print and the straight pipe needs to be lubricated. In the related art, lubricating oil is manually coated on one end of a core print, then the core print is penetrated into a straight pipe, and then the pipe bending operation is started. However, because the clearance between the core print and the straight tube is smaller, most of lubricating oil can be stuck at the port of the straight tube in the process of inserting the core print into the straight tube, so that the lubricating oil at the position needing lubricating is reduced, the lubricating effect is reduced, and the quality of a bent tube is reduced. In order to ensure the lubricating effect, a large amount of lubricating oil is required to be used, the using amount of the lubricating oil is increased, a large amount of lubricating oil is left at the port of the straight pipe, the welding quality of the pipe mouth of the bent pipe in the subsequent process is reduced, and the using amount of the oil removing agent of the pipeline during surface treatment is increased.
With respect to the related art among the above, the applicant believes that the following drawbacks exist: in the process of machining the bent pipe by adopting the pipe bender, the oil consumption of lubricating oil is large, the lubricating effect of the bent pipe is poor, and the using amount of the oil removing agent in the subsequent pipeline surface treatment process is large.
SUMMERY OF THE UTILITY MODEL
In order to reduce the quantity of lubricating oil, improve the lubricated effect in the return bend process and reduce pipeline surface treatment's degreaser quantity of use, this application provides a lubricating arrangement of bending machine.
The application provides a lubricating arrangement of bending machine adopts following technical scheme:
the utility model provides a lubricating arrangement of bending machine, includes core bar and core, the core install in the one end of core bar, the core is equipped with a plurality of lubrication holes, and is a plurality of the lubrication hole is followed the circumference of core distributes, be equipped with the connecting hole in the core, it is a plurality of the lubrication hole communicates respectively the connecting hole, be equipped with in the core bar along axial fuel feed hole, fuel feed hole intercommunication the connecting hole, fuel feed hole connects the fuel feed valve is installed to the one end of connecting hole, the other end of fuel feed hole is connected with the fuel feed pump.
By adopting the technical scheme, when the device is used, the core print is inserted into the corresponding position of the straight pipe, the oil supply pump is started, the oil supply valve is opened, the oil supply pump presses lubricating oil into the oil supply hole, the lubricating oil is sprayed out of the lubricating hole through the connecting hole to the gap between the outer wall of the core print and the straight pipe to lubricate the contact position of the core print and the straight pipe, the oil supply pump is closed after the pipe bending is finished, and the oil supply valve is closed; the lubricating oil is sprayed out after the core head is inserted in place, so that the coating position of the lubricating oil is accurate, the lubricating oil cannot be trapped at the pipe orifice of the elbow, the using amount of the lubricating oil is small, the cost is low, and the lubricating effect is good; in addition, the oil supply valve and the oil supply pump are synchronously opened and closed, so that the waste of lubricating oil can be reduced, and the use amount of an oil removal agent in the subsequent surface treatment process of the bent pipe pipeline is reduced.
Preferably, the core print is provided with a plurality of specifications, and the diameters of the core prints of the plurality of specifications are different.
By adopting the technical scheme, the core heads with different specifications are selected to be installed on the core rod according to different specifications of the bent pipe, the core heads with multiple specifications can be suitable for processing bent pipes with multiple specifications, and the application range is enlarged.
Preferably, a valve chamber is arranged in the oil supply hole, the oil supply valve is installed in the valve chamber, the oil supply valve comprises a spring and a valve ball, the diameter of the valve ball is larger than that of the oil supply hole, the valve ball is installed at one end, close to the oil supply pump, of the valve chamber, one end of the spring is fixedly connected with the valve ball, the other end of the spring is fixed at one end, close to the connecting hole, of the valve chamber, and the valve ball can seal the oil supply hole.
By adopting the technical scheme, when oil is supplied, the lubricating oil generates pressure on the valve ball, so that the valve ball moves to compress the spring, the valve ball loosens the oil supply hole, and the lubricating oil enters the valve chamber, passes through the valve chamber, flows to the connecting hole, is sprayed out from the lubricating hole and lubricates a position needing to be lubricated; after the pipe bending is finished, the oil supply pump is closed, the pressure on the valve ball is reduced, the valve ball is reset under the acting force of the spring, the oil supply hole is closed again, and the lubricating oil in the oil supply hole is prevented from continuously flowing to the connecting hole, so that the waste of the lubricating oil is reduced.
Preferably, one end of the core rod connected with the core head is provided with scales, and the scales are distributed along the axial direction of the core rod.
By adopting the technical scheme, the depth of the core print inserted into the straight pipe can be conveniently and visually seen through the scales, the position of the core print is convenient to locate, and therefore the core print can be conveniently inserted into the straight pipe.
Preferably, one end of the core rod connected with the core head is provided with a plurality of indicating arrows distributed along the circumference, and the plurality of indicating arrows respectively point to the plurality of lubricating holes.
Through adopting above-mentioned technical scheme, during the return bend, according to the direction of return bend, the contact position of core and straight tube is different, can rotate the contact position direction of core and straight tube with the lubrication hole through the instruction arrow point to improve the lubricated effect of lubricating oil to the contact position of core and straight tube.
Preferably, the lubricating holes are arranged obliquely along the axial direction of the core print, and the oblique directions of the two opposite lubricating holes are opposite.
Through adopting above-mentioned technical scheme, because during the return bend, the position of the both ends of core and the contact point of straight tube is different, can make the more efficient contact position that reaches core and straight tube of lubricating oil through setting up the slope of lubrication hole, improves lubricated effect.
Preferably, the indicator arrows have different colors, and the indicator arrows of different colors point to the lubrication holes in different oblique directions.
Through adopting above-mentioned technical scheme, can conveniently confirm the incline direction of lubrication hole through the instruction arrow of different colours to rotate suitable lubrication hole to suitable position.
Preferably, an oil return hole along the axial direction is formed in the core rod, the oil return hole is formed in one side of the oil supply hole, one end of the oil return hole is communicated with the oil supply hole between the oil supply valve and the core head, an oil return valve is installed in the oil return hole, and one end, far away from the core head, of the oil return hole is connected with an oil return pump.
By adopting the technical scheme, after the elbow pipe is finished, the lubricating oil of the connecting hole and the lubricating hole can be recovered through the oil return pump and the oil return hole, and the lubricating oil recovery part of the gap between the spraying core head and the elbow pipe can be reused after being treated, so that the waste of the lubricating oil is reduced, and the adverse effect of the lubricating oil on the subsequent elbow pipe treatment is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the device is used, the core print is inserted into the corresponding position of the straight pipe, the oil supply pump is started, the oil supply valve is opened, the oil supply pump presses lubricating oil into the oil supply hole, the lubricating oil is sprayed out of the lubricating hole to a gap between the outer wall of the core print and the straight pipe through the connecting hole, the contact position of the core print and the straight pipe is lubricated, the oil supply pump is closed after the pipe bending is finished, and the oil supply valve is closed; the lubricating oil is sprayed out after the core print is inserted in place, so that the coating position of the lubricating oil is accurate, the using amount of the lubricating oil is small, the cost is low, and the lubricating effect is good; in addition, the oil supply valve and the oil supply pump are synchronously opened and closed, so that the waste of lubricating oil can be reduced;
2. the core print is provided with a plurality of specifications, the core print with different specifications is selected and installed on the core rod according to different specifications of the bent pipe, and the core print with the plurality of specifications can adapt to the processing of the bent pipes with various specifications, so that the application range is enlarged.
Drawings
Fig. 1 is a schematic structural diagram of a lubricating device of a bending machine according to a first embodiment of the present application.
Fig. 2 is a schematic cross-sectional view of a lubricating device of a bending machine according to a first embodiment of the present application.
Fig. 3 is a schematic cross-sectional view of a lubricating device of a bending machine according to a second embodiment of the present application.
Description of the reference numerals:
1. a core bar; 2. a core print; 3. a lubrication hole; 4. an oil supply pump; 5. an oil supply hole; 6. connecting holes; 7. an oil supply valve; 71. a spring; 72. a valve ball; 8. an oil pipe; 9. an oil return hole; 10. an oil return valve; 11. a scavenge pump; 12. the trachea.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses lubricating arrangement of bending machine.
Example one
Referring to fig. 1 and 2, a lubricating device of a pipe bender comprises a core bar 1 and a core print 2, one end of the core print 2 is in threaded connection with one end of the core bar 1, the axis of the core print 2 coincides with the axis of the core bar 1, the core print 2 can be fastened and disassembled by rotating the core print 2, and the core print 2 is convenient to replace. Core 2 is equipped with four lubrication hole 3, and four lubrication hole 3 are along the circumference evenly distributed of core 2, and the drill way of lubrication hole 3 is located the outer wall of core 2, is equipped with connecting hole 6 in the core 2, and the axis of connecting hole 6 coincides with the axis of core 2, and the one end of core bar 1 is kept away from to a plurality of lubrication hole 3 intercommunication connecting hole 6 respectively. An oil supply hole 5 is formed in the core rod 1 along the axial direction, the axis of the oil supply hole 5 is overlapped with the axis of the core rod 1, one end of the oil supply hole 5 is communicated with one end, away from the lubricating hole 3, of the connecting hole 6, an oil supply valve 7 is installed at one end, connected with the connecting hole 6, of the oil supply hole 5, the other end of the oil supply hole 5 is connected with an oil supply pump 4 through an oil pipe 8, and the oil supply valve 7 and the oil supply pump 4 are opened and closed synchronously.
The diameter of core print 2 is greater than the diameter of core bar 1, and core print 2 is equipped with a plurality of specifications, and the diameter of the core print 2 of a plurality of specifications is different, and different core prints 2 of the different specifications are selected for use and are installed on core bar 1 according to the specification difference of return bend, and the core print 2 of a plurality of specifications can adapt to the processing of the return bend of a plurality of specifications.
One end of the oil supply hole 5 near the connection hole 6 is provided with a valve chamber having a diameter larger than that of the oil supply hole 5, and an oil supply valve 7 is installed in the valve chamber. The fuel supply valve 7 includes a spring 71 and a valve ball 72, the diameter of the valve ball 72 is larger than the diameter of the fuel supply hole 5 and smaller than the diameter of the valve chamber, the valve ball 72 is attached to one end of the valve chamber close to the fuel supply pump 4, one end of the spring 71 is fixedly connected to the valve ball 72, the other end of the spring 71 is fixed to one end of the valve chamber close to the connection hole 6, and the valve ball 72 can close the fuel supply hole 5. During oil supply, the pressure is generated on the valve ball 72 by the lubricating oil, the valve ball 72 moves to compress the spring 71, the valve ball 72 loosens the oil supply hole 5, and the lubricating oil enters the valve chamber, passes through the valve chamber, flows to the connecting hole 6, is sprayed from the lubricating hole 3, and lubricates a position needing lubrication. After the pipe bending is finished, the oil supply pump 4 is closed, the pressure applied to the valve ball 72 is reduced, the valve ball is reset under the acting force of the spring 71, the oil supply hole 5 is closed again, and the lubricating oil in the oil supply hole 5 is prevented from continuously flowing to the connecting hole 6, so that the waste of the lubricating oil is reduced.
The application principle of the lubricating device of the pipe bender is as follows: when the core print lubricating device is used, the core print 2 is installed on the core rod 1, the core print 2 is inserted into the corresponding position of the straight pipe, the oil supply pump 4 is started, the oil supply valve 7 is opened, lubricating oil is pressed into the oil supply hole 5 by the oil supply pump 4, the lubricating oil is sprayed into a gap between the outer wall of the core print 2 and the straight pipe from the lubricating hole 3 through the connecting hole 6, the contact position of the core print 2 and the straight pipe is lubricated, the oil supply pump 4 is closed after the pipe bending is finished, and the oil supply valve 7 is closed. Because the lubricating oil is sprayed out after the core print 2 is inserted in place, the coating position of the lubricating oil is accurate, the using amount of the lubricating oil is small, the cost is low, and the lubricating effect is good. The lubricating oil is arranged in the middle of the pipe, and the pipe opening has no oil stain, so that the welding quality of the bent pipe and the body of a welder are not affected; because the amount of the lubricating oil used on the bent pipe is reduced, the residual lubricating oil which needs to be removed before the surface treatment of the bent pipe is less, the oil removing efficiency is high, the consumed oil removing chemicals are less, and the influence on the environment is less.
Example two
Referring to fig. 3, the difference from the first embodiment lies in that the core rod 1 has a scale at one end connected with the core print 2, and the scale is distributed along the axial direction of the core rod 1, so as to facilitate the positioning of the depth of the core print 2 inserted into the straight pipe and the insertion operation of the core print 2. The axial slope setting of lubrication hole 3 along core 2, in two relative lubrication holes 3, one toward the place ahead slope of core 2, another toward the rear slope of core 2, the core 2 one end of keeping away from core bar 1 is preceding, during the use, rotates the anteverted forward lubrication hole 3 to the one side of straight tube crooked direction dorsad, and the backward lubrication hole 3 that inclines rotates the straight tube one side of crooked direction towards to the better strong point to core 2 lubricates with the straight tube. The one end that core bar 1 connects core 2 is equipped with four instruction arrows that distribute along the circumference, and four instruction arrows point to four lubrication hole 3 respectively, and wherein the instruction arrow that points to the forward lubrication hole 3 of slope is green, and the instruction arrow that points to the backward lubrication hole 3 of slope is red, can rotate lubrication hole 3 to the contact position direction of core 2 and straight tube through instructing the arrow to improve the lubricated effect of lubricating oil to the contact position of core 2 and straight tube.
An oil return hole 9 along the axial direction is arranged in the core rod 1, the oil return hole 9 is arranged on one side of the oil supply hole 5, one end of the oil return hole 9 is communicated with the oil supply hole 5 between the oil supply valve 7 and the core head 2, an oil return valve 10 is arranged in the oil return hole 9, the structure of the oil return valve 10 is the same as that of the oil supply valve 7, the directions are opposite, and one end, far away from the core head 2, of the oil return hole 9 is connected with an oil return pump 11 through an air pipe 12. After the elbow is finished, the lubricating oil of the connecting hole 6 and the lubricating hole 3 can be recovered through the oil return pump 11 and the oil return hole 9, and the lubricating oil recovery part which is sprayed out of the gap between the core head 2 and the elbow can be reused after treatment, so that the waste of the lubricating oil is reduced, and the adverse effect of the lubricating oil on subsequent elbow treatment is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The lubricating device of the pipe bender is characterized in that: including core bar (1) and core (2), core (2) install in the one end of core bar (1), core (2) are equipped with a plurality of lubrication holes (3), and are a plurality of lubrication holes (3) are followed the circumference of core (2) distributes, be equipped with connecting hole (6) in core (2), it is a plurality of lubrication holes (3) communicate respectively connecting hole (6), be equipped with in core bar (1) along axial fuel feeding hole (5), fuel feeding hole (5) intercommunication connecting hole (6), fuel feeding hole (5) are connected fuel feeding valve (7) are installed to the one end of connecting hole (6), the other end of fuel feeding hole (5) is connected with fuel feeding pump (4).
2. The lubricating device of the bending machine according to claim 1, wherein: the core print (2) is provided with a plurality of specifications, and the diameters of the core prints (2) of the plurality of specifications are different.
3. The lubrication device of a bending machine according to claim 1, wherein: be equipped with the valve chamber in fuel feed hole (5), fuel feed valve (7) install in the valve chamber, fuel feed valve (7) include spring (71) and valve ball (72), the diameter of valve ball (72) is greater than the diameter of fuel feed hole (5), valve ball (72) install in the valve chamber is close to the one end of fuel feed pump (4), the one end fixed connection of spring (71) valve ball (72), the other end of spring (71) is fixed in the valve chamber is close to the one end of connecting hole (6), valve ball (72) can the shutoff fuel feed hole (5).
4. The lubrication device of a bending machine according to claim 1, wherein: the scale is arranged at one end, connected with the core head (2), of the core rod (1), and the scale is distributed along the axial direction of the core rod (1).
5. The lubrication device of a bending machine according to claim 1, wherein: one end of the core rod (1) connected with the core head (2) is provided with a plurality of indicating arrows distributed along the circumference, and the indicating arrows respectively point to the lubricating holes (3).
6. The lubrication device of the bending machine according to claim 5, wherein: the lubricating holes (3) are obliquely arranged along the axial direction of the core print (2), and the oblique directions of the two opposite lubricating holes (3) are opposite.
7. The lubrication device of a bending machine according to claim 6, wherein: the indicator arrows have different colors, and the indicator arrows of different colors point to the lubrication holes (3) in different oblique directions.
8. The lubricating device of the bending machine according to claim 1, wherein: an oil return hole (9) along the axial direction is formed in the core rod (1), the oil return hole (9) is formed in one side of the oil supply hole (5), one end of the oil return hole (9) is communicated with the oil supply hole (5) between the oil supply valve (7) and the core head (2), an oil return valve (10) is installed in the oil return hole (9), and one end, far away from the core head (2), of the oil return hole (9) is connected with an oil return pump (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222889775.1U CN218310458U (en) | 2022-10-31 | 2022-10-31 | Lubricating device of pipe bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222889775.1U CN218310458U (en) | 2022-10-31 | 2022-10-31 | Lubricating device of pipe bender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218310458U true CN218310458U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222889775.1U Active CN218310458U (en) | 2022-10-31 | 2022-10-31 | Lubricating device of pipe bender |
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| Country | Link |
|---|---|
| CN (1) | CN218310458U (en) |
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2022
- 2022-10-31 CN CN202222889775.1U patent/CN218310458U/en active Active
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