CN210189168U - Lead screw and cooling system thereof - Google Patents
Lead screw and cooling system thereof Download PDFInfo
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- CN210189168U CN210189168U CN201920533058.0U CN201920533058U CN210189168U CN 210189168 U CN210189168 U CN 210189168U CN 201920533058 U CN201920533058 U CN 201920533058U CN 210189168 U CN210189168 U CN 210189168U
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- screw rod
- cooling pipe
- pipe
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Abstract
A cooling system of a screw rod comprises the screw rod, a spiral cooling pipe, a cooling device and two rotary joints, wherein the spiral cooling pipe is arranged in the screw rod and is provided with a spiral extending section; the cooling device is provided with an output pipeline connected with one end of the spiral cooling pipe through a rotary joint and an input channel connected with the other end of the spiral cooling pipe through the rotary joint, the cooling device enables cooling liquid to circularly flow in the spiral cooling pipe and cools the cooling liquid, heat generated by the screw rod due to high-speed rotation is taken away through continuous circulating backflow of the cooling liquid between the cooling device and the spiral cooling pipe, and the screw rod is prevented from generating thermal deformation due to high-speed rotation and affecting the precision of the screw rod.
Description
Technical Field
The utility model belongs to high-speed traditional lathe field, concretely relates to be applied to lead screw and cooling system thereof of lathe.
Background
With the rapid development of high-speed, high-precision and long-stroke machining application technologies, people also put higher requirements on the machining precision and stability of a machine tool and the complexity of workpieces, machine tool parts are one of main factors influencing the machining precision, the precision of a lead screw is more important, the precision of the lead screw is better, the machining effect of the machine tool is better, how to reduce the deformation of the lead screw is a problem to be overcome in the existing machine tool industry, the lead screw needs to rotate at a high speed and generate thermal deformation at a high speed, the precision of the lead screw is influenced, and a reverse clearance is increased to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcoming of prior art, provide a lead screw and cooling system thereof.
The utility model adopts the following technical scheme:
a cooling system of a screw rod comprises the screw rod, a spiral cooling pipe, a cooling device and two rotary joints, wherein the spiral cooling pipe is arranged in the screw rod and is provided with a spiral extending section; the cooling device is provided with an output pipeline connected with one end of the spiral cooling pipe through a rotary joint and an input channel connected with the other end of the spiral cooling pipe through the rotary joint, and the cooling device enables cooling liquid to circularly flow in the spiral cooling pipe and cools the cooling liquid.
Further, the spiral cooling pipe is arranged in the screw rod through a casting mode.
Furthermore, the spiral cooling pipe is a high-temperature-resistant copper pipe.
Furthermore, the spiral cooling pipe also comprises two horizontal sections, the two horizontal sections are respectively provided with the left end and the right end of the spiral extension section, and the two rotary joints are respectively connected with the two horizontal sections.
Further, the rotary joint is connected with the horizontal section through threads.
Further, the rotary joint is a copper rotary joint.
Furthermore, the output pipeline is a plastic hose, and the input pipeline is a plastic hose.
Further, the cooling device is a thermostat.
The screw comprises a screw body and a spiral cooling pipe arranged in the screw body in a casting mode, wherein the spiral cooling pipe is provided with a spiral extending section.
It can be known from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are: the spiral cooling pipe is arranged in the screw rod, cooling liquid enters the spiral cooling pipe from the output pipeline and then flows back to the cooling device through the input pipeline for cooling again, and heat generated by high-speed rotation of the screw rod is taken away through continuous circulating and back-flowing of the cooling liquid between the cooling device and the spiral cooling pipe, so that the influence on the precision of the screw rod due to thermal deformation of the screw rod caused by high-speed rotation is prevented; the spiral cooling pipe is arranged in the screw rod in a casting mode, the arrangement mode is simple, the spiral cooling pipe cannot be separated from the screw rod due to high-speed rotation of the screw rod, and the operation is safe; the cooling tube adopts the spiral, increases coolant liquid and thermal area of contact, and increase heat exchange efficiency prevents that the lead screw from taking place thermal deformation because of high-speed rotation, influencing the precision of lead screw.
Drawings
Fig. 1 is a schematic mechanism diagram of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
in the figure, 1 screw mandrel, 2-rotary joint, 3-cooling device, 4-output pipeline, 5-input pipeline, 11-screw mandrel body, 12-spiral cooling pipe, 31-cooling device input end, 32-cooling device output end, 121 spiral extension section and 122-horizontal section.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Referring to fig. 1 to 2, a cooling system of a screw includes a screw 1, a cooling device 3, a rotary joint 2, an output pipe 4, and an input pipe 5.
The screw 1 includes a screw body 11 and a spiral cooling pipe 12.
The spiral cooling pipe 12 is arranged in the screw rod body 11 in a casting mode, specifically, the spiral cooling pipe 12 is made of a high-temperature-resistant copper pipe, when the screw rod 1 is cast, the high-temperature-resistant spiral cooling pipe 12 is placed in a mold, then molten steel is poured into the mold to form a semi-finished product, threads are machined on the outer wall of the semi-finished product to form the screw rod 1, the spiral cooling pipe 12 and the screw rod body 11 are cast once through a casting process, the preparation process is simple, the spiral cooling pipe 12 cannot be separated from the screw rod 1 due to high-speed rotation of the screw rod 1, the operation safety is guaranteed, further, the spiral cooling pipe 12 comprises a spiral extension section 121 and two horizontal sections 122, the two horizontal sections 122 are respectively arranged at the left end and the right end of the spiral extension section 121, the middle section of the spiral cooling pipe 12 is arranged in a spiral shape, and the contact area between the cooling liquid continuously flowing back in the spiral, the heat exchange efficiency is increased, and the influence on the precision of the screw rod 1 caused by the thermal deformation of the screw rod 1 due to high-speed rotation is prevented.
The rotary joints 2 are provided with two rotary joints 2, the two rotary joints 2 are respectively connected with the two horizontal sections 122 of the spiral cooling pipe 12, specifically, the rotary joints 2 are copper rotary joints, and further, the rotary joints 2 are connected with the horizontal sections 122 of the spiral cooling pipe 12 through threads.
Be provided with the coolant liquid among cooling device 3, its output 31 is connected with spiral cooling tube 12's input through output pipeline 4, input 32 is connected with spiral cooling tube 12's output through input pipeline 5, the coolant liquid gets into spiral cooling tube 12 from output pipeline 4, it is cold to cool off again in cooling device 3 again through input pipeline 5 backward flow, through the coolant liquid of continuous backward flow in cooling device 3 and spiral cooling tube 12, take away lead screw 1 because of the heat that high-speed rotation produced, reach the effect that reduces lead screw 1 temperature, it is concrete, cooling device 3 is the constant temperature machine, furthermore, the coolant liquid can be water, output pipeline 4 and input pipeline 5 are the plastic conduit, and the production cost is reduced.
During operation, lead screw 1 is high-speed rotatory, the coolant liquid passes through input tube 4 and gets into spiral cooling tube 12 from cooling device 3, carry out the heat exchange with the rotatory heat that produces of lead screw 1, reduce the temperature of lead screw 1, then get back to cooling device 3 again and cool off again, through the continuous circulation backward flow of coolant liquid in cooling device 3 and spiral cooling tube 12, take away the heat in the lead screw 1, reduce the temperature of lead screw 1, prevent that lead screw 1 from taking place thermal deformation because of high-speed rotation, influence the precision of lead screw 1.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (9)
1. A cooling system of a screw rod is characterized in that: the cooling device comprises a screw rod, a spiral cooling pipe, a cooling device and two rotary joints, wherein the spiral cooling pipe is arranged in the screw rod and is provided with a spiral extending section; the cooling device is provided with an output pipeline connected with one end of the spiral cooling pipe through a rotary joint and an input channel connected with the other end of the spiral cooling pipe through the rotary joint, and the cooling device enables cooling liquid to circularly flow in the spiral cooling pipe and cools the cooling liquid.
2. The cooling system for a screw according to claim 1, wherein: the spiral cooling pipe is arranged in the screw rod in a casting mode.
3. The cooling system for a screw according to claim 2, wherein: the spiral cooling pipe is a high-temperature-resistant copper pipe.
4. A cooling system for a screw according to claim 1, 2 or 3, wherein: the spiral cooling pipe further comprises two horizontal sections, the two horizontal sections are respectively provided with the left end and the right end of the spiral extending section, and the two rotary joints are respectively connected with the two horizontal sections.
5. The cooling system for a screw according to claim 4, wherein: the rotary joint is connected with the horizontal section through threads.
6. A cooling system for a screw according to claim 1, 2 or 3, wherein: the rotary joint is a copper rotary joint.
7. A cooling system for a screw according to claim 1, 2 or 3, wherein: the output pipeline is a plastic hose, and the input channel is a plastic hose.
8. A cooling system for a screw according to claim 1, 2 or 3, wherein: the cooling device is a thermostat.
9. The utility model provides a lead screw, includes the lead screw body, its characterized in that: the screw rod further comprises a spiral cooling pipe arranged in the screw rod body in a casting mode, and the spiral cooling pipe is provided with a spiral extending section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920533058.0U CN210189168U (en) | 2019-04-18 | 2019-04-18 | Lead screw and cooling system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920533058.0U CN210189168U (en) | 2019-04-18 | 2019-04-18 | Lead screw and cooling system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210189168U true CN210189168U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920533058.0U Active CN210189168U (en) | 2019-04-18 | 2019-04-18 | Lead screw and cooling system thereof |
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| CN (1) | CN210189168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064958A (en) * | 2019-04-18 | 2019-07-30 | 福建省正丰数控科技有限公司 | A kind of screw rod and its cooling system |
-
2019
- 2019-04-18 CN CN201920533058.0U patent/CN210189168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064958A (en) * | 2019-04-18 | 2019-07-30 | 福建省正丰数控科技有限公司 | A kind of screw rod and its cooling system |
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