CN210359065U - Hot forging die upper die with internal cooling function - Google Patents
Hot forging die upper die with internal cooling function Download PDFInfo
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- CN210359065U CN210359065U CN201920552816.3U CN201920552816U CN210359065U CN 210359065 U CN210359065 U CN 210359065U CN 201920552816 U CN201920552816 U CN 201920552816U CN 210359065 U CN210359065 U CN 210359065U
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Abstract
The utility model discloses an mould on hot forging mould with interior cooling function, including the die carrier system, the vertical knockout mechanism that is provided with in the die carrier system, the lower extreme of knockout mechanism is provided with the drift subassembly, and knockout mechanism sets up in the die carrier system through the lip block system, and knockout mechanism takes the drift subassembly to be synchronous in the die carrier system vertical movement, and knockout mechanism descends the back, and the hot forging piece on the die carrier is forged down to the drift heat, is provided with the interior cooling system of mould in the lip block system, goes up the mould interior cooling system and the drift subassembly is synchronous to go up and down. The utility model discloses realized starting cooling and stopping refrigerated switching ingeniously, realized going up the abundant cooling of mould shaping part, improved the mould life-span, improved a large amount of hydrothermal forges the manufacturability that takes shape.
Description
Technical Field
The utility model relates to a forge hot mould goes up mould with interior cooling function belongs to forge hot 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 steam is generated, and the working environment of a workshop is polluted. In the hot forging form of big water gaging, the mould does not need the heating, but needs timely cooling, keeps the mould to be in normal atmospheric temperature state in process of production, relies on remaining water on the mould surface to vaporize in the twinkling of an eye to become vapor when taking shape fast and lubricate, if cool off untimely, bonding phenomenon and the phenomenon that ejecting strength sharply increases can appear in mould and forging, great reduction the life-span of mould, can cause the unable shaping of product sometimes even, consequently, need lower mould internal cooling, go up mould internal cooling device and in time cool off.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing problem, the utility model discloses an mould on forge hot mould and cooling method thereof with interior cooling function, its concrete technical scheme as follows:
a hot forging die upper die with an internal cooling function comprises a die frame system, wherein a knockout mechanism is vertically arranged in the die frame system, a punch assembly is arranged at the lower end of the knockout mechanism, the knockout mechanism is arranged in the die frame system through a supporting cushion block system, the knockout mechanism drives the punch assembly to synchronously vertically move in the die frame system, a hot forging piece on the die frame is forged by a punch after the knockout mechanism descends, an upper die internal cooling system is arranged in the supporting cushion block system, the upper die internal cooling system and the punch assembly synchronously ascend and descend, a flowing cooling water environment is formed around the punch assembly, and the knockout mechanism, the punch assembly and the supporting cushion block system are in eccentric positions in the die frame system;
the upper die inner cooling system comprises an upper ejector rod, a spring and a water inlet joint, a water through cavity is axially arranged in the upper ejector rod, the top of the water through cavity is a blind end, the lower portion of the water through cavity is an open end, a horizontal water inlet groove penetrating through the side wall is radially formed in the side wall, close to the upper portion of the water through cavity, of the upper ejector rod, and the horizontal water inlet groove is communicated with the water through cavity.
Further, the die carrier system comprises an upper backing plate which is horizontally arranged, an upper die plate is tightly attached and fixed on the lower surface of the upper backing plate, the upper die plate is provided with a cavity with a convex-shaped longitudinal section, an upper T-shaped cushion block which is matched with the cavity in shape is arranged in the cavity, the center of the upper T-shaped cushion block and the upper backing plate are provided with a vertically through knockout hole,
an upper die ring is arranged below the cavity at the center of the upper die plate, the periphery of the upper die ring is embedded and fixedly arranged on the lower surface of the upper die plate, the center of the upper die ring is vertically communicated with a hollow cavity, and a supporting cushion block system is arranged in the upper die ring and forms a channel which is communicated with and coaxial with the material beating hole.
Furthermore, the knockout mechanism is including setting up the knockout rod in the knockout hole, the lower extreme of knockout rod sets up knockout cushion and discharge arm, and the knockout cushion is located between knockout rod and the discharge arm, knockout rod, knockout cushion and the coaxial fixed setting of discharge arm.
Furthermore, the punch assembly comprises a punch and a punch sleeve coaxially sleeved and fixed to the outside of the punch, the punch sleeve comprises a punch sleeve inner layer and a punch sleeve outer layer which are in cold fit with each other, and the punch sleeve is provided with an air hole which extends from the contact surface of the punch sleeve and the punch to the outside of the punch sleeve.
The supporting cushion block system comprises a first punch cushion block, an access cushion block and a second punch cushion block which are sequentially arranged in the upper die ring from top to bottom, through holes are formed in the axial centers of the first punch cushion block, the access cushion block and the second punch cushion block, the through holes are coaxially communicated with the material beating holes, and the material beating cushion block and the discharging rod are both penetrated in the through holes;
the ramming cushion block is located below the ramming rod, the diameter of the ramming cushion block is smaller than that of the ramming rod, a horizontal circular bead is formed, the diameter of the top of the discharging rod is the same as that of the ramming cushion block, the diameter of the bottom of the top of the discharging rod is reduced, and a limiting blocking circular bead is formed.
Further, the upper ejector rod axially penetrates through the access cushion block and the second punch cushion block, the top of the upper ejector rod is positioned in a through hole in the first punch cushion block, a spring is arranged above the upper ejector rod, a spring cushion block is arranged between the spring and the knockout mechanism, the periphery of the top of the spring cushion block is fixed with the upper T-shaped cushion block, the lower end of the spring cushion block is fixed with the access cushion block, the spring cushion block is sleeved outside the knockout mechanism,
the lower end of the upper ejector rod is pressed against the punch, the punch is axially provided with a cooling water channel, the lower end of the cooling water channel horizontally extends out of the punch, a water cavity of the upper ejector rod is communicated and butted with the cooling water channel of the punch in the vertical direction,
the water inlet joint is arranged in the access cushion block, and the access cushion block is provided with a water inlet channel connected with the water inlet joint and the horizontal water inlet groove.
Further, insert the cushion and include the cold inserting cushion inlayer that joins in of red cover and insert the cushion skin, it has two to go up the ejector pin, is located the stripper both sides, and equal axial passes and inserts the cushion inlayer, inserts the cushion inlayer axial and has seted up the ejector pin travelling channel, goes up the ejector pin and can reciprocate at last ejector pin travelling channel, insert the cushion skin and insert the cushion inlayer butt joint face and offer around its round recess ring, insert the diversion hole that the cushion inlayer level was seted up and was linked up ejector pin travelling channel and recess ring, the water inlet channel communicates the recess ring, the water swivel sets up in inhalant canal.
The specific process of the patent for realizing cooling in the hot forging die upper die is as follows:
step 1: die assembly and hot forging: the slide block of the press machine descends to a bottom dead center, the punch thermally forges the hot forging piece on the lower die, the punch is subjected to resistance of the hot forging piece to prevent the hot forging piece from descending, the downward movement strokes of the punch and the upper ejector rod are smaller than the downward movement strokes of the supporting cushion block system and the punch sleeve, the water inlet channel connected to the cushion block is positioned below the horizontal water inlet groove of the upper ejector rod, the water inlet channel is blocked, and at the moment, the inner cooling system of the upper die does not work;
step 2: lifting the upper die: after the hot forging is finished, the upper die is lifted upwards, the hot forging on the punch and the lower die is initially lifted, the punch is adhered to the hot forging, the punch is influenced by adhesion force, the punch is still at the horizontal height during the hot forging in the process of lifting the upper die, or the upward moving speed of the punch is smaller than the upward moving speed of the upper die, at the moment, the upper die frame is lifted, the punch sleeve is synchronously lifted, but the position of the punch is unchanged, or the upward moving distance is smaller than the upward moving distance of the access cushion block, finally, the water inlet channel is horizontally aligned with the horizontal water inlet groove of the upper ejector rod, water of a cold system in the upper die enters the water through cavity in the upper ejector rod through the water inlet connector, flows downwards to the cooling water channel of the punch and is sprayed out from the;
and step 3: opening the mold: the upper die is continuously lifted, the hot forging piece is finally separated from the punch, the upper die is continuously lifted until the die opening is completed, the punches are in a drooping and relaxing state, the horizontal water inlet groove of the upper ejector rod is always horizontally aligned with the water inlet channel connected with the cushion block, and the cold system in the upper die is in a working state;
and 4, step 4: replacing a blank: when the press moves upwards to the top dead center, the hot forging piece on the lower die is removed by the manipulator, and the upper blank is placed on the station of the lower die again;
and 5: descending the upper die: the upper die of the press machine descends, when the punch contacts the blank, the descending speed of the punch and the upper ejector rod is lower than that of other components of the upper die, the water inlet channel connected to the cushion block moves to the position below the horizontal water inlet groove of the upper ejector rod, the water inlet channel connected to the cushion block is blocked, and the cooling system in the upper die does not work until the die assembly is completed.
The utility model has the advantages that:
the utility model discloses an go up mould internal cooling system, utilize the elastic property and the drift dead weight of spring, realized starting the cooling ingeniously and stopped refrigerated switching, guaranteed that the drift blind hole maintains at the normal atmospheric temperature to the temperature of inside wall, guaranteed the drift simultaneously and can bulge sufficient height, make outside cooling system can be used in the blind hole of drift to the lateral wall, when the hot forging form of having solved a large amount of water formed complicated curved surface, go up the unable refrigerated problem of mould shaping partial sunken shape, the abundant cooling of mould shaping part has been realized, the die life is prolonged, the manufacturability that a large amount of hydrothermal forges takes shape has been improved.
Drawings
FIG. 1 is a schematic view showing the state of the upper die inner cooling system of the present invention in operation,
figure 2 is an enlarged view of figure 1 with the upper backing plate removed,
FIG. 3 is a schematic view showing the state of the internal cooling system of the upper mold of the present invention when it is not in operation,
figure 4 is a schematic view of figure 3 with the knockout mechanism removed,
figure 5 is a schematic view of the state of figure 4 with the upper mat removed,
FIG. 6 is a schematic view showing the mold clamping state of the present invention when working in cooperation with a lower mold,
FIG. 7 is a schematic view showing the slightly lifted state of the upper mold when the utility model is matched with the lower mold,
figure 8 is a schematic view of figure 7 after it has been raised,
figure 9 is a schematic view of figure 8 after continued lifting,
FIG. 10 is a schematic view showing the mold opening state of the present invention when it cooperates with the lower mold,
figure 11 is a schematic view of the condition of figure 10 after replacement with a new hot forging,
figure 12 is a schematic view of the upper die of figure 11 after it has been lowered,
figure 13 is a schematic view of the upper die of figure 11 moved to a closed position,
list of reference numerals: 1-upper die plate, 2-upper backing plate, 3-knockout bar, 4-upper T-shaped cushion block, 5-punch first cushion block, 6-upper die ring, 7-knockout cushion block, 8-punch second cushion block, 9-discharging bar, 10-punch, 11-punch inner layer, 12-punch outer layer, 13-punch sleeve, 14-connecting cushion block inner layer, 15-connecting cushion block outer layer, 16-connecting cushion block, 17-water connecting joint, 18-upper ejector rod, 19-spring, 20-spring backing plate, 21-slide plate frame, 22-air hole, 23-discharging hole, 24-water guiding hole, 25-groove ring, 26-water cavity, 27-horizontal water inlet groove, 28-knockout block hole, 29-knockout hole, 30-pin, 31-cooling water channel, 32-water inlet channel.
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.
Fig. 1 is the utility model discloses the state schematic diagram of the interior cooling system during operation of last mould of mould, fig. 2 is the enlargements after the upper padding plate is got rid of to fig. 1, and it is visible to combine these two drawings, the utility model discloses an interior cooling system of mould frame system, knockout mechanism, drift subassembly, drift lip block system and drift in last mould. The die carrier system includes the upper padding plate 2 of level setting, and the lower surface of upper padding plate 2 is hugged closely and is fixed with cope match-plate pattern 1, and cope match-plate pattern 1 and upper padding plate 2 pass through a plurality of pin 30 fixed connection of circumference. The upper die plate 1 is provided with a cavity with a convex-shaped longitudinal section, an upper T-shaped cushion block 4 with a shape matched with the shape is arranged in the cavity, a vertical through material beating hole 29 is formed in the center of the upper T-shaped cushion block 4 and the upper base plate 2, an upper die ring 6 is arranged below the cavity at the center of the upper die plate 1, the periphery of the upper die ring 6 is embedded and fixedly arranged on the lower surface of the upper die plate 1, the center of the upper die ring 6 is vertically communicated with the cavity, and a punch 10 supporting cushion block system is arranged in the upper die ring 6 and forms a channel communicated with and coaxial with the material beating hole 29.
The material beating mechanism comprises a material beating rod 3 arranged in a material beating hole 29, a material beating cushion block 7 and a discharging rod 9 are arranged at the lower end of the material beating rod 3, the material beating cushion block 7 is located between the material beating rod 3 and the discharging rod 9, and the material beating rod 3, the material beating cushion block 7 and the discharging rod 9 are coaxially and fixedly arranged. The knockout pad 7 is positioned in a knockout pad hole 28 in the center of the insertion pad 16, and the discharge rod 9 is positioned in a discharge hole 23 in the center of the knockout pad 7.
The punch assembly comprises a punch 10 and a punch sleeve 13 coaxially sleeved and fixed outside the punch 10, the punch sleeve 13 comprises a punch sleeve inner layer 11 and a punch sleeve outer layer 12 which are in cold fit with each other, and the punch sleeve 13 is provided with an air hole 22 extending to the outside of the punch sleeve 13 from the surface of the punch sleeve 13, which is in contact with the punch 10.
The supporting cushion block system comprises a first cushion block 5 of a punch head 10, a connection cushion block 16 and a second cushion block 8 of the punch head 10, which are sequentially arranged inside an upper die ring 6 from top to bottom, wherein the first cushion block 5 of the punch head 10, the connection cushion block 16 and the second cushion block 8 of the punch head 10 are all provided with through holes, the through holes are coaxially communicated with a knockout hole 29, and the knockout cushion block 7 and a discharge rod 9 are all penetrated through the through holes. The material beating cushion block 7 is located below the material beating rod 3, the diameter of the material beating cushion block 7 is smaller than that of the material beating rod 3, a horizontal circular bead is formed, the diameter of the top of the discharging rod 9 is the same as that of the material beating cushion block 7, the diameter of the lower portion of the top of the discharging rod 9 is reduced, and a limiting blocking circular bead is formed.
The upper die inner cooling system comprises an upper ejector rod 18, a spring 19 and a punch water inlet joint 17, a water through cavity 26 is axially arranged in the upper ejector rod 18, the top of the water through cavity 26 is a blind end, the lower part of the water through cavity is an open end, a horizontal water inlet groove 27 penetrating through the side wall is radially formed in the side wall, close to the upper part of the water through cavity 26, of the upper ejector rod 18, and the horizontal water inlet groove 27 is communicated with the water through cavity 26. An upper ejector rod 18 axially penetrates through an access cushion block 16 and a punch 10 second cushion block 8, the top of the upper ejector rod 18 is located in a through hole in a punch 10 first cushion block 5, a spring 19 is arranged above the upper ejector rod 18, a spring cushion block is arranged between the spring 19 and a knockout mechanism, the periphery of the top of the spring cushion block is fixed with an upper T-shaped cushion block 4, the lower end of the spring cushion block is fixed with the access cushion block 16, and the spring cushion block is sleeved outside the knockout mechanism. A spring cushion plate 20 is arranged above the upper ejector rod, the spring cushion plate 20 comprises a circular cushion plate and an intermediate rod vertically arranged in the middle of the circular cushion plate and extending upwards, and the intermediate rod is inserted into the axial center of the spring 19 and used for fixing the spring 19 and guiding the spring to move in a telescopic mode. The lower end of the upper ejector rod 18 is pressed against the punch 10, a cooling water channel 31 is axially formed in the punch 10, the lower end of the cooling water channel 31 horizontally extends out of the punch 10, and the water through cavity 26 of the upper ejector rod 18 is in through butt joint with the cooling water channel 31 of the punch 10 in the vertical direction. The punch water inlet joint 17 is arranged in the access cushion block 16, and the access cushion block 16 is provided with a water inlet channel 32 which is connected with the punch water inlet joint 17 and the horizontal water inlet groove 27. The access cushion block 16 comprises an access cushion block inner layer 14 and an access cushion block outer layer 15 which are in cold fit with a red sleeve, the number of the upper ejector rods 18 is two, the two upper ejector rods are located on two sides of the discharging rod 9, the two upper ejector rods axially penetrate through the access cushion block inner layer 14, the upper ejector rod 18 moving channel is axially arranged on the access cushion block inner layer 14, the upper ejector rod 18 can vertically move in the upper ejector rod 18 moving channel, the butt joint surface of the access cushion block outer layer 15 and the access cushion block inner layer 14 is provided with a groove ring 25 surrounding the circle of the access cushion block inner layer, the access cushion block inner layer 14 is horizontally provided with a water diversion hole 24 for communicating the ejector rod moving channel with the groove ring 25, the.
Fig. 3 is the state schematic diagram of the cooling system in the drift 10 when out of work, fig. 4 is the schematic diagram after the knockout mechanism is got rid of in fig. 3, fig. 5 is the state schematic diagram of getting rid of upper padding plate 2 in fig. 4, it can be seen in combining these three drawings, when the cooling system is in off-working condition in the drift 10, diversion hole 24 staggers with horizontal intake chamber 27, and horizontal intake chamber 27 is plugged up.
The ramming mechanism, the punch assembly and the supporting cushion block system are in eccentric positions in the die carrier system, and water penetrating through the air holes flows out through gaps in the eccentric positions.
With reference to the attached drawings 6-11, the application process of the present invention in practical production is illustrated as combining the internal cooling method of the lower die and the hot forging die, which specifically comprises the following steps:
the method comprises the following steps: mold closing state: with reference to fig. 6, a hot forging piece is placed in a female die, a press slide block descends to a bottom dead center, a punch thermally forges the hot forging piece on a lower die, the punch is subjected to resistance of the hot forging piece to prevent the punch from descending, the descending stroke of the punch and an upper ejector rod is smaller than the descending stroke of a punch supporting cushion block system and a punch sleeve, a water inlet channel connected to a cushion block is positioned below a horizontal water inlet groove of the upper ejector rod, the water inlet channel is blocked, at the moment, a female die water inlet connector is connected with a water inlet system and conveys water towards the water inlet connector, the water flows to an expansion cavity through the water inlet channel, the water fills the expansion cavity and enters an inner water spraying cavity from a water inlet of an inner water spraying push rod, the water level rises to the top of the lower ejector rod in the inner water spraying cavity and is sprayed out from water spraying holes of the lower;
step two: slightly lifting the upper die: with reference to fig. 7, after the hot forging is completed, the upper die is slightly lifted upwards, the hot forged pieces on the punch and the lower die are adhered, the punch is influenced by an adhesion force, the punch is still at the horizontal height during the hot forging in the process of lifting the upper die, or the speed of the punch moving upwards is smaller than the speed of the lifting of the upper die, at this time, the upper die frame is lifted, the punch sleeve is lifted synchronously, but the position of the punch is unchanged, or the lifting distance is smaller than the lifting distance of the access cushion block, finally, the water inlet channel is horizontally aligned with the horizontal water inlet groove of the upper ejector rod, water in a cold system in the upper die enters the water through the punch water inlet joint into the water through cavity in the upper ejector rod and flows downwards to the cooling water channel of the punch and is sprayed out from the lower end of the cooling water channel in the punch;
step three: lifting the upper die: combining with the figure 8, continuing to move up the slide block of the press machine, continuing to move up the upper die, continuing to move up the upper ejector rod, throwing the punch head to adhere to the hot forging piece, wherein the inner cooling system of the upper die is consistent with the step two, at the moment, the inner water spraying push rod, the adjusting block and the lower ejector rod synchronously move upwards, the adjusting block blocks the side hole of the next cushion block, the water inlet joint of the female die still conveys water towards the inner cooling system of the female die, and the water flows out from the air hole between the next cushion block and the next second cushion block after being sprayed out from the water spraying hole of the lower ejector rod;
step four: the upper die is continuously lifted: with reference to fig. 9, in the next step, the slide block of the press machine is continuously lifted, the punch head is separated from the hot forged piece, the discharge rod continuously presses the hot forged piece, the upper die internal cooling system is consistent with the step two, the lower ejector rod continuously ejects upwards, water in the female die internal cooling system is ejected from the water spray holes of the lower ejector rod and overflows into the female die cavity, the surface of the female die cavity is cooled, and the water is discharged from the air holes between the lower second cushion block and the next first cushion block;
step five: opening the mold: with reference to fig. 10, when the slide block of the press reaches the top dead center, the hot forged piece is transported away by the manipulator, water sprayed by the female die internal cooling system directly fills the female die cavity, and the upper die internal cooling system is consistent with the second step;
step six: placing a blank hot forging piece: with reference to fig. 11, a manipulator carries a blank hot forging into a female die, a press slide block moves downwards, a horizontal water inlet groove of an upper ejector rod moves upwards and is blocked by an access cushion block, an upper die internal cooling system stops working, the blank hot forging extrudes water in a female die cavity, a lower ejector rod moves downwards, the female die internal cooling system is in a working state, and water below an adjusting block is discharged from a side hole of a next cushion block;
step seven: the upper die continues to descend: with reference to fig. 12, the upper die continues to descend, the blank hot forging presses the lower ejector rod and the adjusting block to continue to move downwards, the cold system in the female die is in a working state, the adjusting block blocks the side hole of the next cushion block, and water below the adjusting block is discharged from the air hole between the next cushion block and the lower T-shaped cushion block;
step eight: and (5) mold assembly again: and (5) referring to fig. 13, when the slide block of the press reaches the bottom dead center, the blank hot forging forming is finished, and the female die inner cooling system and the upper die inner cooling system are consistent with the first step.
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 (7)
1. A hot forging die upper die with an internal cooling function comprises a die frame system, wherein a knockout mechanism is vertically arranged in the die frame system, a punch assembly is arranged at the lower end of the knockout mechanism, the knockout mechanism is arranged in the die frame system through a supporting cushion block system, the knockout mechanism drives the punch assembly to synchronously vertically move in the die frame system, and a hot forging piece on the die frame is hot forged by a punch after the knockout mechanism descends;
the upper die inner cooling system comprises an upper ejector rod, a spring and a water inlet joint, a water through cavity is axially arranged in the upper ejector rod, the top of the water through cavity is a blind end, the lower portion of the water through cavity is an open end, a horizontal water inlet groove penetrating through the side wall is radially formed in the side wall, close to the upper portion of the water through cavity, of the upper ejector rod, and the horizontal water inlet groove is communicated with the water through cavity.
2. A hot-forging die upper die with an internal cooling function as claimed in claim 1, wherein the die carrier system comprises an upper backing plate horizontally arranged, an upper die plate is tightly attached and fixed to the lower surface of the upper backing plate, the upper die plate is provided with a cavity with a vertical cross section in a shape like a Chinese character 'tu', an upper T-shaped cushion block with a shape matched with the cavity is arranged in the cavity, a vertically through knockout hole is formed in the center of the upper T-shaped cushion block and the upper backing plate,
an upper die ring is arranged below the cavity at the center of the upper die plate, the periphery of the upper die ring is embedded and fixedly arranged on the lower surface of the upper die plate, the center of the upper die ring is vertically communicated with a hollow cavity, and a supporting cushion block system is arranged in the upper die ring and forms a channel which is communicated with and coaxial with the material beating hole.
3. A hot forging die upper die with an internal cooling function according to claim 2, wherein the knockout mechanism comprises a knockout pin disposed in the knockout hole, a knockout pad and a discharge pin are disposed at a lower end of the knockout pin, the knockout pad is disposed between the knockout pin and the discharge pin, and the knockout pin, the knockout pad and the discharge pin are coaxially and fixedly disposed.
4. A hot forging die upper die with an internal cooling function according to claim 3, wherein said punch assembly includes a punch and a punch sleeve coaxially fitted and fixed to an outside of the punch, said punch sleeve includes a punch sleeve inner layer and a punch sleeve outer layer, and the punch sleeve is provided with an air hole extending from a side thereof contacting the punch to an outside of the punch sleeve.
5. The upper hot-forging die with the internal cooling function according to claim 4, wherein the supporting cushion block system comprises a first punch cushion block, a second punch cushion block and an access cushion block which are sequentially arranged inside the upper die ring from top to bottom, the first punch cushion block, the access cushion block and the second punch cushion block are respectively provided with a through hole at the axial center, the through holes are coaxially communicated with the material beating hole, and the material beating cushion block and the material discharging rod are respectively penetrated through the through holes;
the ramming cushion block is located below the ramming rod, the diameter of the ramming cushion block is smaller than that of the ramming rod, a horizontal circular bead is formed, the diameter of the top of the discharging rod is the same as that of the ramming cushion block, the diameter of the bottom of the top of the discharging rod is reduced, and a limiting blocking circular bead is formed.
6. A hot-forging die upper die with an internal cooling function according to claim 5, wherein the upper ejector rod axially penetrates through the insert cushion block and the punch second cushion block, the top of the upper ejector rod is located in a through hole in the punch first cushion block, a spring is arranged above the upper ejector rod, a spring cushion block is arranged between the spring and the forging mechanism, the periphery of the top of the spring cushion block is fixed with the upper T-shaped cushion block, the lower end of the spring cushion block is fixed with the insert cushion block, the spring cushion block is sleeved outside the forging mechanism,
the lower end of the upper ejector rod is pressed against the punch, the punch is axially provided with a cooling water channel, the lower end of the cooling water channel horizontally extends out of the punch, a water cavity of the upper ejector rod is communicated and butted with the cooling water channel of the punch in the vertical direction,
the water inlet joint is arranged in the access cushion block, and the access cushion block is provided with a water inlet channel connected with the water inlet joint and the horizontal water inlet groove.
7. The upper die of a hot-forging die with an internal cooling function as claimed in claim 6, wherein the connecting cushion block comprises a connecting cushion block inner layer and a connecting cushion block outer layer, two upper push rods are arranged on two sides of the discharging rod and axially penetrate through the connecting cushion block inner layer, an upper push rod moving channel is axially formed in the connecting cushion block inner layer, the upper push rods can move up and down in the upper push rod moving channel, a groove ring surrounding the connecting cushion block outer layer and the connecting cushion block inner layer in a circle is formed in the butt joint surface of the connecting cushion block outer layer and the connecting cushion block inner layer, a water guide hole for communicating the upper push rod moving channel with the groove ring is horizontally formed in the connecting cushion block inner layer, the water inlet channel is communicated with the groove ring, and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920552816.3U CN210359065U (en) | 2019-04-22 | 2019-04-22 | Hot forging die upper die with internal cooling function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920552816.3U CN210359065U (en) | 2019-04-22 | 2019-04-22 | Hot forging die upper die with internal cooling function |
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| CN210359065U true CN210359065U (en) | 2020-04-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749596A (en) * | 2021-01-08 | 2022-07-15 | 丰田自动车株式会社 | Method and apparatus for cooling mold |
| CN114749596B (en) * | 2021-01-08 | 2024-04-12 | 丰田自动车株式会社 | Method and device for cooling mold |
-
2019
- 2019-04-22 CN CN201920552816.3U patent/CN210359065U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749596A (en) * | 2021-01-08 | 2022-07-15 | 丰田自动车株式会社 | Method and apparatus for cooling mold |
| CN114749596B (en) * | 2021-01-08 | 2024-04-12 | 丰田自动车株式会社 | Method and device for cooling mold |
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