CN210359110U - Side-spraying cooling mechanism of hot forging die frame - Google Patents
Side-spraying cooling mechanism of hot forging die frame Download PDFInfo
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- CN210359110U CN210359110U CN201920549165.2U CN201920549165U CN210359110U CN 210359110 U CN210359110 U CN 210359110U CN 201920549165 U CN201920549165 U CN 201920549165U CN 210359110 U CN210359110 U CN 210359110U
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Abstract
The utility model discloses a hot forging die carrier side spouts cooling body, including fixed cover and shower nozzle module, the coaxial cover of upper portion of shower nozzle module is established in fixed cover, and lower part extends in the below of fixed cover, and has seted up the nozzle at its one side lateral wall, has seted up in the shower nozzle module and has spouted the chamber, and the water conservancy diversion mouth has been seted up to the lateral wall of fixed cover, and the top of shower nozzle module is provided with the water conservancy diversion piece, and the perpendicular water conservancy diversion chamber and the horizontal water conservancy diversion chamber that link up are seted up to the water conservancy diversion piece, and the. The utility model discloses a cooling method's process does, and when being in the die sinking state, the water conservancy diversion mouth aligns with horizontal water conservancy diversion chamber, and the coolant liquid gets into the water conservancy diversion chamber from the water conservancy diversion mouth, spouts from the nozzle, and on the direct jet arrived the drift, behind the compound die, the water conservancy diversion mouth has staggered horizontal water conservancy diversion chamber, stops the blowout coolant liquid. The utility model discloses install the side under the last die plate of hot forging die carrier and spout cooling body, optimized the cooling effect, improved the mould life-span, the cooling effect is better, convenient and fast more.
Description
Technical Field
The utility model relates to a cooling body is spouted to hot forging die carrier side belongs to hot forging cooling technical field.
Background
When the traditional hot forging is carried out, the die needs to be heated to about 200 ℃, graphite suspension is sprayed on the surface of the die for lubricating the die, and the residual graphite after evaporation plays a role of a lubricating medium at high temperature. The lubricating mode has the disadvantage that a large amount of graphite powder is generated, and the workshop working environment is polluted.
During the hot forging form of a large amount of water, the mould does not need to be heated, but needs timely cooling, keeps the mould to be in the normal atmospheric temperature state in process of production, relies on vapor to lubricate when taking shape fast, if the cooling is untimely, bonding phenomenon and the phenomenon that ejecting strength increases suddenly can appear in mould and forging, great reduction the life-span of mould, can cause the unable shaping of product sometimes even, consequently, need die internal cooling, drift cooling device in time to cool off. The drawback of this kind of cooling method that adopts the hose to directly spout a large amount of cooling water usually lies in, and when the cooling water used, the cooling hose received the die carrier up-and-down motion influence, often appeared the untimely condition of cooling, and is consuming time hard, and the effect is not good, and simultaneously, the hose mostly need stretch into the die carrier forming area, has leaded to the unable full automatization of realization of walking beam, often reports to the police. Therefore, a cooling mechanism capable of spraying cooling liquid towards the punch outside the die carrier is developed, normal work of the hot forging machine is not affected by the cooling mechanism, and the cooling mechanism has practical production significance.
SUMMERY OF THE UTILITY MODEL
Problem and not enough to exist among the prior art, the utility model provides a cooling body is spouted to hot forging die carrier side combines cooling system and hot forging die carrier together, can trail the drift and cool off in real time, and concrete technical scheme is as follows:
a side spraying cooling mechanism for a hot forging die set is fixed below an upper die plate and comprises a fixed sleeve and a spray head module, wherein the spray head module is coaxially arranged with the fixed sleeve, the fixed sleeve is of an axially hollow cylindrical structure, the spray head module is coaxially arranged with the fixed sleeve, the fixed sleeve is fixed with the upper die plate, the spray head module can axially move in the fixed sleeve, and a protective sleeve is arranged below the spray head module;
the side wall of the fixed sleeve is provided with a flow guide opening, the axial center of the spray head module is provided with a spray cavity, the upper end of the spray cavity is an open end, the lower end of the spray cavity is a blind end, the side wall of one side of the spray head module close to the bottom is provided with a plurality of nozzles,
a flow guide block is arranged above the spray head module, a vertical flow guide cavity is formed in the axial center of the flow guide block, the top of the vertical flow guide cavity is a blind end and does not extend to the top of the flow guide block, the vertical flow guide cavity is coaxially communicated with the spray cavity, a horizontal flow guide cavity is formed in the flow guide block, and the vertical flow guide cavity is vertically crossed and communicated with the horizontal flow guide cavity;
a spring is arranged above the flow guide block, the upper end of the spring is abutted against the upper die template, and the lower end of the spring is abutted against the flow guide block.
Furthermore, the inner wall of the bottom of the fixed sleeve is provided with a limit table horizontally extending towards the center,
the outer wall that the shower nozzle module is close to upper portion is provided with the bodiness wall platform of bodiness all around towards, when the shower nozzle module moves down to the maximum stroke, the bodiness wall platform is supporting pressing spacing platform, prevents that the shower nozzle module from droing from fixed cover, and at this moment, the water conservancy diversion mouth aligns with horizontal water conservancy diversion chamber level.
Furthermore, the protective sleeve is cylindrical, a plug hole is formed in the axial center of the protective sleeve, and the protective sleeve is fixed by penetrating the plug hole through a bolt and screwing the lower end of the spray head module.
Furthermore, a flange is arranged on the periphery of the top of the fixed sleeve, a plurality of through holes are formed in the flange, the flange penetrates through the through holes through screws, the flange is screwed in the upper die template through threads, and the fixed sleeve is fixed below the upper die template.
Furthermore, a groove is formed in the contact position of the upper die template and the spring in a sunken mode, and the top of the spring is located in the groove.
This patent side spouts cooling body installs and realizes in the hot forging die carrier that the process of side spout cooling specifically does:
step 1: installing a side-spraying cooling mechanism: installing the side-spraying cooling mechanism below an upper die plate of a hot forging die set, enabling a nozzle to face a punch, wherein the distance between the punch and the nozzle is smaller than the stroke of the cooling liquid sprayed by the nozzle, and ensuring that the cooling liquid can be sprayed onto the punch;
step 2: and (3) switching on the cooling liquid: installing a connector on the diversion port, connecting an upper cooling liquid supply system through the connector, and inputting water flow with rated pressure towards the diversion port;
and step 3: opening the mold: the punch and the side-spraying cooling mechanism are both positioned above the lower die, the flow guide port is aligned with the horizontal flow guide cavity, the cooling liquid supply system supplies cooling liquid towards the spraying cavity and is at a set pressure, and the cooling liquid is sprayed out from the nozzle and directly sprayed onto the punch;
and 4, step 4: die assembly: in the die closing process, the punch and the side spraying cooling mechanism descend at the same speed, the nozzle sprays cooling liquid towards the punch all the time in the descending process, when the punch descends into the lower die, a protective sleeve at the bottom of the side spraying cooling mechanism is pressed against the lower die template, the upper die template descends continuously, the height position of the nozzle module pressing against the lower die template is unchanged, the fixed sleeve descends synchronously along with the upper die template, the flow guide opening descends slowly, the horizontal flow guide cavity is staggered, the flow guide opening faces the thickening wall platform and is blocked, the cooling liquid cannot be supplied towards the spraying cavity, and at the moment, the nozzle stops spraying the cooling liquid;
and 5: opening the mold again: after the punch is forged, the upper die plate is lifted upwards, the punch and the fixed sleeve move upwards synchronously along with the upper die plate, the spray head module still props against the lower die plate under the tension action of the spring, when the lower end of the punch is moved to exceed the lower die plate, the flow guide port is aligned with the horizontal flow guide cavity, the cooling liquid supply system supplies cooling liquid towards the spray cavity and is at set pressure, and the cooling liquid is sprayed out of the nozzle and directly sprayed onto the punch.
Furthermore, a lower die template which is vertically below the side spraying cooling mechanism is arranged to be in a sunken step shape, after the side spraying cooling mechanism descends, the protective sleeve is pressed on the sunken step-shaped lower die template, and the sunken depth of the sunken step shape is the distance from the bottom of the spraying cavity to the lower surface of the protective sleeve.
Has the advantages that:
the utility model discloses install the shower nozzle in hot forging die carrier's last die plate below, through the combination with hot forging die carrier and cooling shower nozzle, simplified the cooling flow, optimized the cooling effect, improved the life-span of mould, labour saving and time saving, the shaping effect is better, and whole cooling process is more stable, swift.
Drawings
FIG. 1 is a schematic structural view of the present invention in the open state,
wherein: FIG. 1 (a) is a front view of the utility model in the open state,
FIG. 1 (b) is a sectional view taken along line A-A of FIG. 1 (a),
FIG. 2 is a schematic structural view of the present invention in a mold clamping state,
wherein: figure 2 (a) is a front view of the present invention in a clamped state,
FIG. 2 (B) is a sectional view taken along line B-B of FIG. 2 (a),
figure 3 is a schematic view of a conventional cooling method,
wherein: FIG. 3 (a) is a state diagram when the conventional cooling method is opened,
FIG. 3 (b) is a state diagram in the case of mold clamping by a conventional cooling method,
list of reference numerals: 1-upper die template, 2-flange, 3-water conservancy diversion mouth, 4-horizontal water conservancy diversion chamber, 5-perpendicular water conservancy diversion chamber, 6-nozzle, 7-lag, 8-bolt, 9-shower nozzle module, 10-spout the chamber, 11-bodiness wall platform, 12-fixed cover, 13-water conservancy diversion piece, 14-screw, 15-spring, 16-spacing platform.
Detailed Description
The invention will be further elucidated with reference to the drawings and the detailed description. It should be understood that the following detailed description is illustrative of the invention only and is not intended to limit the scope of the invention.
Example 1:
this cooling body is spouted with side to hot forging die carrier, including fixed cover 12 and shower nozzle module 9, fixed 12 axial link up the cavity, water conservancy diversion mouth 3 has been seted up to the lateral wall of fixed cover 12, the upper portion coaxial cover of shower nozzle module 9 is established with fixed cover 12 in, the lower part of shower nozzle module 9 extends in fixed 12 outsides, the upper end edge of fixed cover 12 is provided with flange 2, a plurality of through-hole has been seted up to flange 2, pass the through-hole through screw 14, and the screw thread is screwed up in last die plate 1, fix fixed cover 12 in last die plate 1 below.
The axial center of the spray head module 9 is provided with a spray cavity 10, the upper end of the spray cavity 10 is an open end, the lower end is a blind end, and the side wall of one side of the spray head module 9 close to the bottom is provided with a plurality of nozzles 6.
The upper portion of the spray head module 9 is provided with a flow guide block 13, the axial center of the flow guide block 13 is provided with a vertical flow guide cavity 5, the top of the vertical flow guide cavity 5 is a blind end and does not extend to the top of the flow guide block 13, the vertical flow guide cavity 5 is coaxially communicated with the spray cavity 10, the flow guide block 13 is further provided with a horizontal flow guide cavity 4, and the vertical flow guide cavity 5 is vertically and crossly communicated with the horizontal flow guide cavity 4.
A spring 15 is arranged above the flow guide block 13, the upper end of the spring 15 is abutted against the upper die template 1, and the lower end is abutted against the flow guide block 13.
In order to prevent the spray head module 9 from falling from the fixed sleeve 12 and provide a lowest positioning limit for downward movement for the spray head module 9, the inner wall of the bottom of the fixed sleeve 12 is provided with a limit platform 16 horizontally extending towards the center of the fixed sleeve, the outer wall of the spray head module 9 close to the upper part is provided with a thickened wall platform 11 thickened towards the periphery, when the spray head module 9 moves downwards to the maximum stroke, the thickened wall platform 11 is pressed against the limit platform 16 to prevent the spray head module 9 from falling off from the fixed sleeve 12, and at the moment, the flow guide port 3 is horizontally aligned with the horizontal flow guide cavity 4.
The utility model discloses in practical application, the upper portion of shower nozzle module 9 reciprocates in fixed cover 12, and when being in the die sinking state, under the tension effect of spring 15, shower nozzle module 9 moves down to the biggest stroke, and water conservancy diversion mouth 3 aligns with 4 levels in horizontal water conservancy diversion chamber. The cooling liquid can be introduced into the spray chamber 10 from the guide opening 3 and sprayed out from the nozzle 6.
When the diversion port 3 is staggered with the horizontal diversion cavity 4, the diversion port 3 is blocked, and the nozzle 6 stops spraying the cooling liquid.
Example 2:
in order to protect the bottom of the spray head module 9 and prevent hard impact in the using process, a protective sleeve 7 is arranged below the spray head module 9, and the protective sleeve 7 can be made of a material with certain elasticity to play a role of buffering. The protective sleeve 7 is cylindrical, a plug hole is formed in the axial center of the protective sleeve 7, and the bolt 8 penetrates through the plug hole and is screwed at the lower end of the spray head module 9 to fix the protective sleeve 7.
Example 3:
in order to be able to mount a sufficient length of the spring 15, the upper die plate 1 is recessed with a groove where the spring 15 contacts, and the top of the spring 15 is located in the groove. The aperture of the groove is consistent with that of the fixing sleeve 12.
Fig. 1 and fig. 2 show two states of the present invention, and the following method is combined to further explain the application scenario of the present invention.
The side spraying cooling mechanism for the hot forging die set is installed in the hot forging die set to realize the side spraying cooling process, and comprises the following steps:
step 1: installing a side-spraying cooling mechanism: the side-spray cooling mechanism is installed below the upper die plate 1 of the hot forging die set, the nozzle 6 faces the punch, the distance between the punch and the nozzle 6 is smaller than the stroke of the nozzle 6 for spraying the cooling liquid, and the cooling liquid can be sprayed on the punch.
Step 2: and (3) switching on the cooling liquid: and installing a joint on the diversion port 3, connecting an upper cooling liquid supply system through the joint, and inputting water flow with rated pressure towards the diversion port 3.
And step 3: open mould state (as shown in figure 1): the punch and the side-spraying cooling mechanism are both positioned above the lower die, the flow guide port 3 is aligned with the horizontal flow guide cavity 4, the cooling liquid supply system supplies cooling liquid towards the spraying cavity 10 and is at a set pressure, and the cooling liquid is sprayed out from the nozzle 6 and directly sprayed onto the punch.
And 4, step 4: die assembly: in the die assembly process, the punch and the side spraying cooling mechanism descend at the same speed, in the descending process, the nozzle 6 sprays cooling liquid towards the punch all the time, when the punch descends into the lower die, the protecting sleeve 7 at the bottom of the side spraying cooling mechanism is pressed against the lower die template, the upper die template 1 continues descending, the height position of the nozzle module 9 pressed against the lower die template is unchanged, the fixing sleeve 12 descends synchronously along with the upper die template 1, the flow guide port 3 descends slowly, the horizontal flow guide cavity 4 is staggered, the flow guide port 3 faces the thickening wall platform 11 and is blocked, the cooling liquid cannot be supplied towards the spraying cavity 10, and at the moment, the nozzle 6 stops spraying the cooling liquid; the state of mold clamping completion is shown in fig. 2.
And 5: opening the mold again: after the punch is forged, the upper die plate 1 is lifted upwards, the punch and the fixed sleeve 12 move upwards synchronously along with the upper die plate 1, the spray head module 9 still props against the lower die plate under the tension action of the spring 15, when the lower end of the punch exceeds the lower die plate, the flow guide opening 3 is aligned with the horizontal flow guide cavity 4, the cooling liquid supply system supplies cooling liquid towards the spray cavity 10 and is at set pressure, and the cooling liquid is sprayed out from the nozzle 6 and directly sprayed onto the punch.
In order to enable the height of the nozzle 6 to be consistent with that of the punch and overcome the thickness of the bottom of the spray head module 9 and the height of the protective sleeve 7, the lower die plate which is vertically below the side spraying cooling mechanism is arranged to be in a sunken step shape, after the side spraying cooling mechanism descends, the protective sleeve 7 is pressed on the sunken step-shaped lower die plate, and the sunken depth of the sunken step shape is the distance from the bottom of the spraying cavity 10 to the lower surface of the protective sleeve 7.
FIG. 3 is a traditional cooling mode of direct injection of a large amount of water, in the descending process of a punch, the large amount of water can deviate from the punch, water flow is directly injected to the surface of a female die, only a small amount of water is dispersed to the punch, the water utilization rate is not high, but part of water flows into the female die, so that the temperature of a hot forging piece is reduced, and the forming shape is different.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, but also comprises the technical scheme formed by the arbitrary combination of the technical characteristics.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A side-spraying cooling mechanism for a hot forging die set is fixed below an upper die plate by the side-spraying cooling mechanism, and is characterized by comprising a fixed sleeve and a spray head module, wherein the fixed sleeve is of an axially hollow cylindrical structure, the spray head module and the fixed sleeve are coaxially arranged, the fixed sleeve is fixed with the upper die plate, the spray head module can axially move in the fixed sleeve, and a protective sleeve is arranged below the spray head module;
the side wall of the fixed sleeve is provided with a flow guide opening, the axial center of the spray head module is provided with a spray cavity, the upper end of the spray cavity is an open end, the lower end of the spray cavity is a blind end, the side wall of one side of the spray head module close to the bottom is provided with a plurality of nozzles,
a flow guide block is arranged above the spray head module, a vertical flow guide cavity is formed in the axial center of the flow guide block, the top of the vertical flow guide cavity is a blind end and does not extend to the top of the flow guide block, the vertical flow guide cavity is coaxially communicated with the spray cavity, a horizontal flow guide cavity is formed in the flow guide block, and the vertical flow guide cavity is vertically crossed and communicated with the horizontal flow guide cavity;
a spring is arranged above the flow guide block, the upper end of the spring is abutted against the upper die template, and the lower end of the spring is abutted against the flow guide block.
2. The side spray cooling mechanism of the hot forging die holder as claimed in claim 1, wherein the bottom inner wall of the fixing sleeve is provided with a limit table horizontally extending toward the center thereof,
the outer wall that the shower nozzle module is close to upper portion is provided with the bodiness wall platform of bodiness all around towards, when the shower nozzle module moves down to the maximum stroke, the bodiness wall platform is supporting pressing spacing platform, prevents that the shower nozzle module from droing from fixed cover, and at this moment, the water conservancy diversion mouth aligns with horizontal water conservancy diversion chamber level.
3. The side spray cooling mechanism for the hot forging die set according to claim 1, wherein the protecting sleeve is in a cylindrical shape, a screw hole is formed in the axial center of the protecting sleeve, and the protecting sleeve is fixed by a bolt which penetrates through the screw hole and is screwed to the lower end of the spray head module.
4. The side-spraying cooling mechanism of the hot forging die set as claimed in claim 1, wherein a flange is provided around the top of the fixing sleeve, the flange is provided with a plurality of through holes, and the fixing sleeve is fixed under the upper die plate by passing screws through the through holes and screwing the fixing sleeve into the upper die plate.
5. The side spraying cooling mechanism of the hot forging die holder as claimed in claim 1, wherein a groove is formed in a recessed position where the upper die plate contacts with the spring, and the top of the spring is located in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920549165.2U CN210359110U (en) | 2019-04-22 | 2019-04-22 | Side-spraying cooling mechanism of hot forging die frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920549165.2U CN210359110U (en) | 2019-04-22 | 2019-04-22 | Side-spraying cooling mechanism of hot forging die frame |
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| CN210359110U true CN210359110U (en) | 2020-04-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618004A (en) * | 2021-08-19 | 2021-11-09 | 中机（济南）精密成形工程技术有限公司 | Cooling and lubricating device of hot extrusion die |
-
2019
- 2019-04-22 CN CN201920549165.2U patent/CN210359110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618004A (en) * | 2021-08-19 | 2021-11-09 | 中机（济南）精密成形工程技术有限公司 | Cooling and lubricating device of hot extrusion die |
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