CN203904401U - Quenching-cooling device for stay bolt - Google Patents
Quenching-cooling device for stay bolt Download PDFInfo
- Publication number
- CN203904401U CN203904401U CN201420236301.XU CN201420236301U CN203904401U CN 203904401 U CN203904401 U CN 203904401U CN 201420236301 U CN201420236301 U CN 201420236301U CN 203904401 U CN203904401 U CN 203904401U
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- CN
- China
- Prior art keywords
- cooling
- quenching
- ring
- cooling device
- annular cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a cooling device, particularly an enhanced cooling device for improving the hardenability of a stay bolt, and provides a quenching-cooling device for a stay bolt. The quenching-cooling device comprises a cooling pond, a ring-shaped cooling tube and spray nozzles, wherein the spray nozzles are positioned on the inner wall of the ring-shaped cooling tube and communicated with the ring-shaped cooling tube; the ring-shaped cooling tube is communicated with a conveying pipe on the outer wall; a plurality of shunt-wound cooling medium connectors are arranged at the tail end of the conveying pipe; a pressure pump is further arranged on the conveying pipe; a regulating valve is arranged between the pressure pump and the ring-shaped cooling tube. The quenching-cooling device for the stay bolt sprinkles products around to facilitate uniform cooling of the products, balanced quenching and high hardenability; the regulating valve is arranged to regulate the flow rate of a cooling medium, and different cooling media can be fed to enable the quenching effect to be more ideal.
Description
Technical field
the utility model belongs to mechanical component manufacture field, especially relates to a kind of for improving the strengthening refrigerating unit of pull bar class bolt hardening capacity.
Background technology
Prior heat treatment quenching is all that the workpiece after heating is winched to immersion cooling in the quenching bath that hardening liquid is housed, and the cooling advantage of this mode is cooling thorough, convenient, simple, practicality.But cooling adjustability is little, can only rely on swing or mobile realization of workpiece; Inhomogeneous cooling is even, and cooling fluid easily forms bubble, has intercepted contacting of hardening liquid and workpiece, makes to quench to produce soft spots, causes quenching unsuccessfully.
Because pull bar class bolt is elongate rod, in heating and while quenching flexural deformation large, follow-up alignment workload is large, and alignment stress is difficult for removing completely, causes product placing after for some time to produce bending, directly affects product use properties and life-span.
Summary of the invention
Process in order to overcome traditional pull bar class bolt quench cooled the defect existing, the utility model aims to provide that a kind of heat penetration is good, hardening capacity is high, quenches balanced, and surface oxidation Decarburized layer is low and be out of shape little pull bar class bolt quenching cooler.
The technical solution adopted in the utility model is:
A kind of pull bar class bolt quenching cooler, comprise cooling pool, annular cooling conduit and nozzle, nozzle is positioned at annular cooling conduit inwall and is communicated with annular cooling conduit, described annular cooling conduit is communicated with transfer lime at outer wall, transfer lime end arranges the heat-eliminating medium interface of some parallel connections, on transfer lime, be also provided with force (forcing) pump, between force (forcing) pump and annular cooling conduit, variable valve be set.
According to above-described pull bar class bolt quenching cooler, described nozzle is to be uniformly distributed in the more than eight or eight of annular cooling conduit inwall; Annular cooling conduit is positioned at cooling pool top and be arranged vertically two or more in parallel.
The pull bar class bolt quenching cooler of the present utility model that adopts above structure, sprays to product from surrounding, be beneficial to and ensure that product is cooling evenly, quenching equilibrium and hardening capacity high; By regulated valve, can regulate cooling medium consumption, and can access different heat-eliminating mediums so that quench cooled effect is better.
Brief description of the drawings
Fig. 1 is the structural representation of pull bar class bolt quenching cooler embodiment of the present utility model.
Embodiment
The description of symbols relating in accompanying drawing: annular cooling conduit 1, nozzle 2, transfer lime 3, variable valve 4, force (forcing) pump 5, heat-eliminating medium interface 6, workpiece 7, cooling pool 8.
The technical scheme of the pull bar class bolt quenching cooler below in conjunction with accompanying drawing to the utility model embodiment is elaborated.
As shown in Figure 1, pull bar class bolt quenching cooler, comprise cooling pool 8, be positioned at the annular cooling conduit 1 of cooling pool top, the equally distributed some nozzles 2 that are communicated with annular cooling conduit 1 inwall, annular cooling conduit 1 is communicated with transfer lime 3 at outer wall, transfer lime 3 ends arrange three heat-eliminating medium interfaces 6 in parallel, on transfer lime 3, be also provided with force (forcing) pump 5, between force (forcing) pump 5 and annular cooling conduit 1, variable valve 4 be set.
Workpiece 7 heats after diathermanous and enters in cooling pool 8 annular cooling conduit 1 above by self rotation and the compound motion of reach, heat-eliminating medium is sprayed to product from surrounding with force (forcing) pump 8 li of cooling pools, makes workpiece 7 cooling rapidly.
Quench cooled be by surrounding to workpiece deluge quench medium, because quenchant flows, can not form air film and affect the hardening capacity of product and the transmission of surperficial heat at workpiece surface, quench cooled equilibrium, the stable mechanical property of workpiece.
By regulating the flow of the each front and back of quenchant stage pipeline, select desirable quenchant simultaneously, quench cooled can be controlled within the scope of C curve as much as possible, heat penetration is good, hardening capacity is high.
Claims (3)
1. a pull bar class bolt quenching cooler, comprise cooling pool, annular cooling conduit and nozzle, nozzle is positioned at annular cooling conduit inwall and is communicated with annular cooling conduit, it is characterized in that: described annular cooling conduit is communicated with transfer lime at outer wall, transfer lime end arranges the heat-eliminating medium interface of some parallel connections, on transfer lime, be also provided with force (forcing) pump, between force (forcing) pump and annular cooling conduit, variable valve be set.
2. pull bar class bolt quenching cooler according to claim 1, is characterized in that: described nozzle is to be uniformly distributed in the more than eight or eight of annular cooling conduit inwall.
3. pull bar class bolt quenching cooler according to claim 1, is characterized in that: comprise two or more annular cooling conduits that are positioned at cooling pool top and be arranged in parallel vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236301.XU CN203904401U (en) | 2014-05-09 | 2014-05-09 | Quenching-cooling device for stay bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236301.XU CN203904401U (en) | 2014-05-09 | 2014-05-09 | Quenching-cooling device for stay bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203904401U true CN203904401U (en) | 2014-10-29 |
Family
ID=51778692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420236301.XU Expired - Fee Related CN203904401U (en) | 2014-05-09 | 2014-05-09 | Quenching-cooling device for stay bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203904401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604313A (en) * | 2020-06-10 | 2020-09-01 | 湖南中航精工有限公司 | Annular cleaning gun |
-
2014
- 2014-05-09 CN CN201420236301.XU patent/CN203904401U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604313A (en) * | 2020-06-10 | 2020-09-01 | 湖南中航精工有限公司 | Annular cleaning gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150509 |
|
| EXPY | Termination of patent right or utility model |