CN212093768U - Multi-station die holder suitable for projectile deep hole forging - Google Patents
Multi-station die holder suitable for projectile deep hole forging Download PDFInfo
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- CN212093768U CN212093768U CN201922357226.8U CN201922357226U CN212093768U CN 212093768 U CN212093768 U CN 212093768U CN 201922357226 U CN201922357226 U CN 201922357226U CN 212093768 U CN212093768 U CN 212093768U
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Abstract
The utility model discloses a multistation die holder suitable for projectile class deep hole forging, including the die unit and with die unit complex terrace die unit, the die unit include two arranged side by side the die and with the die removes four complex terrace dies that are field style of calligraphy range, four terrace die fixed mounting is in the bottom of movable plate, thereby the movable plate is installed in the sliding tray of cope match-plate pattern, receives the horizontal migration of driving energy to drive the terrace die and removes, realizes that the forging in four extrusion stations to the die extrudees. The utility model discloses can realize the production of projectile class deep hole forging, can realize the production of four work steps two stations at most, four times extrusion forming and extrude two products simultaneously promptly at most.
Description
Technical Field
The utility model relates to a projectile class deep hole processing technology field especially relates to a multistation die holder suitable for projectile class deep hole forging.
Background
Along with the increasing market demand of the elastomer deep hole extrusion forge piece, the demand of each manufacturer for carrying out process transformation by using the existing equipment is also increasing day by day. The projectile body type deep hole extrusion piece has the characteristics of long overall length, large inner hole depth and diameter and the like, and extrusion equipment of the forging piece generally needs nonstandard manufacturing, and parameters such as the extrusion stroke and the ejection stroke of the equipment are lengthened. In the face of expensive equipment purchase cost, many manufacturers lose the opportunity of transformation and upgrading because the existing equipment cannot meet the requirements due to insufficient funds.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical defect who exists among the prior art, and provide a multistation die holder suitable for projectile class deep hole forging.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
the utility model provides a multistation die holder suitable for projectile class deep hole forging, including the die unit and with die unit complex terrace die unit, the die unit include two arranged side by side the die and with the die removes four complex terrace dies that are field style of calligraphy range, four terrace die fixed mounting is in the bottom of movable plate, the movable plate is installed in the sliding tray of cope match-plate pattern, thereby receives the horizontal migration of drive ability to drive the terrace die removal, realizes extrudeing the forging in four extrusion stations to the die.
The movable plate is driven by the movable driving mechanism to perform linear reciprocating motion through the slide rail, so that the forging in the female die is extruded at four extrusion stations.
The movable plate is characterized in that limiting blocks are arranged on two sides of the sliding groove in the length direction, and the limiting blocks can be driven to move linearly in the limiting grooves to limit the movable plate.
The movable plate is internally provided with a driven liftable cross conical positioning key, and the positioning template above the movable plate is provided with three positioning hole sites corresponding to the cross conical positioning key.
And the bottom of each female die is provided with an ejector rod to eject out after the forging is formed.
The utility model discloses can realize the production of projectile class deep hole forging, can realize the production of four work steps at most, two stations, four times extrusion forming at most and extrude two products simultaneously promptly.
Drawings
FIG. 1 is a structural diagram of a multi-station die holder suitable for a deep-hole forging of an elastomer;
FIG. 2 is a schematic top view of a moving plate portion;
FIGS. 3-5 are schematic diagrams showing the moving fit of four male dies and two female dies respectively;
FIG. 6 is a schematic view of a locating surface of the moving plate;
FIG. 7 is a schematic view of the stripper plate in an open and closed position;
1. the hydraulic mould comprises an ejection hydraulic cylinder 2, a lower template 3, a cushion plate 4, a first ejector rod of a female mould 5, a second ejector rod of the female mould 6, a first female mould 7, a second female mould 10, an upper template 11, a positioning template 12, a cross conical positioning key 13, a positioning hydraulic cylinder 14, a discharging device 15, a guide post guide sleeve 16, a movable push-pull hydraulic cylinder 17, a movable slide rail 18, a three-station male mould 19, a one-station male mould 20, a four-station male mould 21, a two-station male mould 22, a movable plate 23, a limiting block 24, a limiting hydraulic cylinder 25, a fixed slide rail 26, a discharging oil;
a1 is a positioning surface for taking and placing stations, a2 is a positioning surface for two and four stations, the positioning surface is positioned and abducted by pushing and pulling a limiting block by a hydraulic cylinder, a4 is a positioning surface for stations, and a5 is a positioning surface for one and three stations.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model discloses use fixed die and the terrace die cooperation of removal together, install two dies and four terrace dies, including four extrusion stations and three removal station.
As shown in fig. 1, the utility model is suitable for a multistation die holder of projectile class deep hole forging, including the die unit and with die unit complex terrace die unit, the die unit includes two fixed unmovable die 6 on the backing plate 3 of 2 tops of lower bolster of arranging side by side, two 7 of dies, and with four terrace dies that are field style of calligraphy range of die removal complex, including three-station terrace die 18, a station terrace die 19, quadruplex position terrace die 20, two station terrace die 21, four terrace die fixed mounting is in the bottom of movable plate 22, the movable plate is installed in the sliding tray of cope match-plate pattern 10, and movable plate 22 receives sharp power drive mechanism's driving energy horizontal migration to drive the terrace die removal, consequently realized extruding the forging in four extrusion stations to die 6, two 7 of dies.
Specifically, the one-station male dies 19 and the three-station male dies 18 are arranged in a row, the two-station male dies 21 and the four-station male dies 20 are arranged in a row, two male dies correspond to two female dies at the same time during each extrusion, and the one-station extrusion, the three-station extrusion or the two-station extrusion and the four-station extrusion can be carried out at the same time.
Wherein, the movable plate has three removal stations and is respectively: the device comprises a first extrusion station, a third extrusion station, a second extrusion station, a fourth extrusion station and a pick-and-place station. The first extrusion station and the third extrusion station are respectively the stations when the first station male die 19 and the third station male die 18 are coaxial with the central lines of the first female die 6 and the second female die 7; the second extrusion station and the fourth extrusion station are respectively coaxial with the central lines of the first female die 6 and the second female die 7, namely the second male die 21 and the fourth male die 20; the taking and placing station is a station for moving the four punches out of the working area by the moving plate 22, and a space is left for taking and placing the blank.
In order to ensure that the moving plate effectively moves, the moving plate is moved by adopting a slide rail assembly, wherein a fixed slide rail 25 is arranged in a slide groove, a moving slide rail 17 is correspondingly arranged on the moving plate, and the fixed slide rail and the moving slide rail are matched with each other, so that the moving plate can linearly move under the driving of a moving push-pull hydraulic cylinder 16, and the horizontal movement of the male dies with four grid-shaped arrangements is realized.
Further, in order to prevent the male dies at the four stations from shifting during sliding, a cross-shaped conical positioning key 12 is adopted to correct the positions of the male dies at the extrusion stations. The cross conical positioning key is placed in the middle of the four male dies and connected with the positioning template 11 to correct the positions of the male dies, the cross key corrects the front, back, left and right positions, and the conical key corrects the center position. The cross key and the conical key are matched for use, so that the position precision of the movable convex die is improved. The cross-shaped conical positioning key is connected with the positioning hydraulic cylinder 13 to move in a telescopic mode, and the positioning function is achieved. Namely, the front, back, left and right and the center positioning of the four male dies are corrected by connecting the cross-shaped conical positioning key 12 with the positioning template 11.
The four male dies on the moving plate 22 and the moving plate 22 may be positioned and locked and fixed in a shaft hole manner, for example, a positioning hole is formed on the moving plate, and the top ends of the male dies are correspondingly inserted into the positioning hole and then fixed and locked with the moving plate by bolts after being positioned, or fixed in other manners, which is not limited specifically.
Further, the positioning template 11 and the upper template 10 are positioned and locked in a key way, and the positioning relationship between the moving plate 22 and the upper template 10 is ensured by the positioning template 11.
The movable plate slides among the three moving stations respectively under the driving of the hydraulic cylinder, when the movable plate 22 moves, the cross-shaped conical positioning key 12 retracts into the movable plate 22, and when the movable plate 22 moves to the first extrusion station, the third extrusion station, the second extrusion station and the fourth extrusion station, the cross-shaped conical positioning key 12 is pushed by the hydraulic cylinder to enter the cross-shaped conical key groove of the positioning template 11 so as to achieve the front, back, left and right positions and the middle positions of the four male dies of the correcting part and reduce the influence of the gaps of all sliding parts on the coaxiality of the upper die and the lower die.
The male die unit matched with the female die unit realizes guiding through the guide post and the guide sleeve 15, the position relation between the upper die plate 10 and the lower die plate 2 is guaranteed, and the single side of the gap between the guide post and the guide sleeve is about 0.2 mm. The guide post is fixed with the lower template, and the guide sleeve is fixed with the upper die.
The two sides of the sliding groove in the length direction are provided with limiting blocks 23, and the limiting blocks can move linearly in the limiting grooves to limit the moving plate. The limiting blocks 23 are symmetrically arranged on two sides of the sliding groove, are respectively connected with the corresponding limiting hydraulic cylinders 24, and are driven to linearly move by the limiting hydraulic cylinders to realize limiting.
Further, ejector rods are arranged at the bottom of the female die respectively and comprise a first female die ejector rod 4 and a second female die ejector rod 5 so as to eject the forged piece after the forged piece is formed, wherein the first female die ejector rod 4 and the second female die ejector rod 5 are correspondingly connected with an ejection hydraulic cylinder 1 respectively.
The utility model discloses in, the relative position of die 6 and a die 7 is unchangeable, three station terrace dies 18, a station terrace die 19, quadruplex position terrace die 20, two station terrace dies 21 remove along with the movable plate simultaneously, the station is got in what figure 3 was shown to be got, the position that all terrace dies shifted out the extrusion district is moved out to movable plate 22, figure 4 shows one, three extrusion stations, movable plate 22 moves into workspace with three station terrace dies 18, a station terrace die 19 is coaxial with the central line of die 6, three station terrace dies 18 are coaxial with two 7 central lines of die. Fig. 5 shows two and four extrusion stations, the moving plate 22 moves the two-station male die 21 and the four-station male die 20 into the working area, the two-station male die 21 is coaxial with the central line of the first female die 6, and the central lines of the second female die 7 of the two-station male die 20 and the female die 19 are coaxial.
Further, the utility model discloses in, still be provided with discharge apparatus 14, wherein, discharge apparatus 14 includes two hydro-cylinders 26 of unloading, two hydro-cylinder fixed plates 27, two stripper plates 28 and a clamp plate 29 of unloading.
The two stripper plates are symmetrically arranged, corresponding semicircular grooves are formed on opposite surfaces and are positioned above the feeding hole of the female die, the two stripper plates are driven by the unloading oil cylinders 26 to synchronously open or close to realize unloading, when the two stripper plates are closed, the two semicircular grooves oppositely form a small round hole which is positioned above the feeding hole of the female die, and the diameter of the small round hole is smaller than that of the feeding hole of the female die, so that the two stripper plates are only limited to the male die (punch) to enter and exit the female die after being closed, a blank cannot enter and exit, and the blank or a forge piece can be; the discharging oil cylinders 26 are respectively arranged on the oil cylinder fixing plates 27 and located on the outer sides of the oil cylinder fixing plates, the two discharging oil cylinders are symmetrically arranged, the discharging pressing plate 29 is located above the oil cylinder fixing plates, a feeding and discharging hole corresponding to the female die is formed in the discharging pressing plate, the discharging pressing plate is pressed above the discharging plate and connected with the discharging plate 28 in a sliding contact mode, the moving of the discharging plate 28 is guided, and the oil cylinder fixing plates are fixed with the discharging pressing plates.
As shown in FIG. 7, the left side is the open position of the stripper plate, with the open and close distance of 50mm from one side. The forging can smoothly enter and exit the die at the moment. The right side of the forging die is in a stripper plate closed state as shown in fig. 7, the male die can realize the process of extruding the forging, and after the extrusion is finished, the forging is blocked by the stripper plate and cannot be discharged along with the male die, so that the forging and the male die are completely separated. And after the male die removes the extrusion area, opening the stripper plate, ejecting the forged piece by the ejector rod, and taking out the forged piece.
The working process is as follows:
the initial position of the mould: the male die is at the top dead center, the moving plate is attached to a positioning surface a1 at a pick-and-place station, the positioning surface a2 returns to a zero position (an avoidance position when not in use), the cross conical positioning key is arranged in the moving plate, the discharging device is opened, and the ejector rod returns. Heating the blank to 1200 +/-20 ℃, and removing oxide skin after discharging. The blank is placed into the first female die, the push plate moves to the joint positioning surface a5, the blank reaches a first extrusion station and a third extrusion station, namely the position of the first male die and the first female die which are coaxial with each other at the central line, then the middle cross-shaped conical positioning key is pushed into the key groove of the positioning template, the left, right, front, back and middle positions of the 4 male dies on the moving plate are corrected, the discharging device is closed, then the male dies move downwards, and a station forge piece is formed through extrusion. After the extrusion is completed, the male die is lifted. The cross conical positioning key is reset, and the positioning surface a2 is pushed out by the oil cylinder. And moving the moving plate to a position of a positioning surface a2 to reach two and four extrusion stations, namely a position where the center lines of the two-station male die and the female die are coaxial, then pushing a middle cross-shaped conical positioning key into a key groove of the positioning template, correcting the left, right, front, rear and middle positions of the 4 male dies on the moving plate, then descending the male dies, and extruding and forming a two-station forge piece. After the extrusion is completed, the male die is lifted. The cross conical positioning key is reset, the positioning surface a2 is retracted, and the discharging device is opened. And (3) moving the moving plate to a positioning surface a1 to enter a pick-and-place station, moving all the male dies out of the working area, ejecting the extrusion piece in the female die I by an ejection cylinder, and taking out the secondary forging piece manually or by a mechanical arm. And ejecting and withdrawing.
And (3) placing the two-step forge piece into the second female die, moving the pushing plate to the joint positioning surface a5, reaching the first extrusion station and the third extrusion station, namely the position of the three-station male die and the second female die which are coaxial with each other at the central line, then pushing the middle cross-shaped conical positioning key into the key groove of the positioning template, correcting the left, right, front and back positions and the middle positions of 4 male dies on the moving plate, closing the discharging device, then descending the male dies, and extruding and forming the three-station forge piece. After the extrusion is completed, the male die is lifted. The cross conical positioning key is reset, and the positioning surface a2 is pushed out by the oil cylinder.
And moving the moving plate to a position of a positioning surface a2 to reach two and four extrusion stations, namely positions where the center lines of the four-station male die and the female die are coaxial, then pushing a middle cross-shaped conical positioning key into a key groove of the positioning template, correcting the left, right, front, back and middle positions of 4 male dies on the moving plate, then enabling the male dies to move downwards, and extruding and forming the four-station forge piece. After the extrusion is completed, the male die is lifted. The cross conical positioning key is reset, the positioning surface a2 is retracted, and the discharging device is opened. And (3) moving the moving plate to a positioning surface a1 to enter a pick-and-place station, moving all the male dies out of the working area, ejecting the extrusion piece in the female die I by an ejection cylinder, and taking out the four-step forge piece manually or by a mechanical arm. The ejector pin retracts.
Example 1:
the initial position of the die: the male die is at the top dead center, the moving plate is attached to a positioning surface a1 at a pick-and-place station, the positioning surface a2 returns to a zero position (an avoidance position when not in use), the cross conical positioning key is arranged in the moving plate, the discharging device is opened, and the ejector rod returns. The blank is heated to 1150 +/-20 ℃, and the oxide skin is removed firstly after the blank is taken out of the furnace.
The blank is placed into the first female die, the push plate moves to the joint positioning surface a5, the blank reaches a first extrusion station and a third extrusion station, namely the position of the first male die and the first female die which are coaxial with each other at the central line, then the middle cross-shaped conical positioning key is pushed into the key groove of the positioning template, the left, right, front, back and middle positions of the 4 male dies on the moving plate are corrected, the discharging device is closed, then the male dies move downwards, and a station forge piece is formed through extrusion. After the extrusion is completed, the male die is lifted. The cross conical positioning key is reset, and the positioning surface a2 is pushed out by the oil cylinder. And moving the moving plate to a position of a positioning surface a2 to reach two and four extrusion stations, namely a position where the center lines of the two-station male die and the female die are coaxial, then pushing a middle cross-shaped conical positioning key into a key groove of the positioning template, correcting the left, right, front, rear and middle positions of the 4 male dies on the moving plate, then descending the male dies, and extruding and forming a two-station forge piece. After the extrusion is completed, the male die is lifted. The cross conical positioning key is reset, the positioning surface a2 is retracted, and the discharging device is opened. And (3) moving the moving plate to a positioning surface a1 to enter a pick-and-place station, moving all the male dies out of the working area, ejecting the extrusion piece in the female die I by an ejection cylinder, and taking out the secondary forging piece manually or by a mechanical arm. And ejecting and withdrawing. And (3) placing the two-step forge piece into the second female die, moving the pushing plate to the joint positioning surface a5, reaching the first extrusion station and the third extrusion station, namely the position of the three-station male die and the second female die which are coaxial with each other at the central line, then pushing the middle cross-shaped conical positioning key into the key groove of the positioning template, correcting the left, right, front and back positions and the middle positions of 4 male dies on the moving plate, closing the discharging device, then descending the male dies, and extruding and forming the three-station forge piece. After the extrusion is completed, the male die is lifted. The cross conical positioning key is reset, and the positioning surface a2 is pushed out by the oil cylinder.
And moving the moving plate to a position of a positioning surface a2 to reach two and four extrusion stations, namely positions where the center lines of the four-station male die and the female die are coaxial, then pushing a middle cross-shaped conical positioning key into a key groove of the positioning template, correcting the left, right, front, back and middle positions of 4 male dies on the moving plate, then enabling the male dies to move downwards, and extruding and forming the four-station forge piece. After the extrusion is completed, the male die is lifted. The cross conical positioning key is reset, the positioning surface a2 is retracted, and the discharging device is opened. And (3) moving the moving plate to a positioning surface a1 to enter a pick-and-place station, moving all the male dies out of the working area, ejecting the extrusion piece in the female die I by an ejection cylinder, and taking out the four-step forge piece manually or by a mechanical arm. The ejector pin retracts.
Example two:
the initial position of the die: the male die is at the top dead center, the moving plate is attached to a positioning surface a1 at a pick-and-place station, the positioning surface a2 returns to a zero position (an avoidance position when not in use), the cross conical positioning key is arranged in the moving plate, the discharging device is opened, and the ejector rod returns. The blank is heated to 1150 +/-20 ℃, and the oxide skin is removed firstly after the blank is taken out of the furnace. The blank is placed into the first female die, the push plate moves to the joint positioning surface a5, the blank reaches a first extrusion station and a third extrusion station, namely the position where the center line of the male die of the first station is coaxial with the center line of the first female die, then the middle cross-shaped conical positioning key is pushed into the key groove of the positioning template, the left, right, front, rear and middle positions of the four male dies on the moving plate are corrected, the discharging device is closed, then the male dies move downwards, and a station forge piece is formed through extrusion. After the extrusion is completed, the male die is lifted. The cross conical positioning key is reset, and the positioning surface a2 is pushed out by the oil cylinder. And moving the moving plate to a position of a positioning surface a2 to reach two and four extrusion stations, namely a position where the center lines of the two-station male die and the female die are coaxial, then pushing a middle cross-shaped conical positioning key into a key groove of the positioning template, correcting the left, right, front, rear and middle positions of the 4 male dies on the moving plate, then descending the male dies, and extruding and forming a two-station forge piece. After the extrusion is completed, the male die is lifted. The cross conical positioning key is reset, the positioning surface a2 is retracted, and the discharging device is opened. And (3) moving the moving plate to a positioning surface a1 to enter a pick-and-place station, moving all the male dies out of the working area, ejecting the extrusion piece in the female die I by an ejection cylinder, and taking out the secondary forging piece manually or by a mechanical arm. And ejecting and withdrawing. And (4) placing the forging in the second step into a second female die, and taking out a new blank from the heating furnace and placing the new blank into the first female die. The pushing plate moves to the attaching positioning surface a5 to reach a first extrusion station and a third extrusion station, namely, the first station male die is coaxial with the first central line of the female die, the third station male die is coaxial with the second central line of the female die, then the middle cross-shaped conical positioning key is pushed into the key groove of the positioning template to correct the left, right, front, back and middle positions of 4 male dies on the moving plate, the discharging device is closed, then the male dies move downwards, and a first station forge piece and a third station forge piece are formed through extrusion. After the extrusion is completed, the male die is lifted. The cross conical positioning key is reset, and the positioning surface a2 is pushed out by the oil cylinder. Moving the moving plate to a position of a positioning surface a2, and reaching two and four extrusion stations, namely a position where a center line of a two-station male die is coaxial with a center line of a female die and a position where a center line of a four-station male die is coaxial with a center line of a second female die, then pushing a middle cross-shaped conical positioning key into a key groove of a positioning template, correcting left, right, front, rear and middle positions of 4 male dies on the moving plate, then descending the male dies, and extruding and forming a two-station forge piece and a four-. After the extrusion is completed, the male die is lifted. The cross conical positioning key is reset, the positioning surface a2 is retracted, and the discharging device is opened. And (3) moving the moving plate to a positioning surface a1 to enter a pick-and-place station, moving all the male dies out of the working area, ejecting the extrusion parts in the first female die and the second female die by an ejection cylinder, and taking out the two-step forge piece and the four-step forge piece manually or by a manipulator. The ejector pin retracts. And (4) placing the forging in the second step into a second female die, and taking out a new blank from the heating furnace and placing the new blank into the first female die. The previous sequence of squeezing actions is repeated.
The utility model is suitable for a deep hole extrusion forging, especially hole depth-diameter ratio are greater than the extrusion of 7 forgings. Usually, a deep-hole extrusion part needs to be extruded for multiple times to meet the product requirement, and the die carrier can realize an extrusion forming process with at most four steps and two stations. The method can be applied to a one-step extrusion process, a two-step extrusion process, a three-step extrusion process and a four-step extrusion process at most by four steps, and extrusion at most by two stations is realized by extruding one product at a time and extruding two products at the same time.
The utility model is suitable for a current equipment stroke and the not enough condition of ejecting stroke. The length of a common deep-hole extrusion part is very long, and a normal die frame needs a larger stroke when extruding a deep-hole forging so that the forging can be taken out after a male die is lifted. The utility model discloses after extrusion process is accomplished, can shift out the extrusion district with the drift, reserve for blank and forging and get the space of putting, the required stroke that has significantly reduced. Under the condition of not replacing equipment, the multi-station deep hole extrusion process can still be completed.
The utility model discloses wholly use mechanical connection and mechanical spacing to give first place to, use the hydraulic pressure push-and-pull to assist. The movable male die takes a hydraulic cylinder as a driving force, the four extrusion stations and the three movable stations achieve the purpose of mechanical positioning in a hydraulic mode, and a stable, reliable and accurate using effect is achieved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The multi-station die holder is suitable for the projectile deep-hole forge pieces and is characterized by comprising a female die unit and male die units matched with the female die unit, wherein the female die unit comprises two female dies arranged side by side and four male dies arranged in a shape like a Chinese character tian in a movable manner matched with the female dies in a movable manner, the four male dies are fixedly mounted at the bottom of a movable plate, the movable plate is mounted in a sliding groove of an upper die plate and can horizontally move under driving energy to drive the male dies to move, and the forge pieces in the female dies are extruded at four extrusion stations.
2. The multi-station die holder suitable for the elastomer deep-hole forgings as claimed in claim 1, wherein slide rails are mounted in the slide grooves, and the moving plate is driven by a moving driving mechanism to perform linear reciprocating motion through the slide rails, so that the forgings in the female die are extruded at four extrusion stations.
3. The multi-station die holder suitable for the elastomer deep hole forgings as claimed in claim 1, wherein two sides of the sliding groove in the length direction are provided with limiting blocks, and the limiting blocks can be driven to move linearly in the limiting grooves to limit the moving plate.
4. The multi-station die holder suitable for the elastomer deep-hole forgings as claimed in claim 1, wherein a cross-shaped conical positioning key which can be driven to ascend and descend is arranged in the moving plate, and three positioning hole sites corresponding to the cross-shaped conical positioning key are arranged on the positioning template above the moving plate.
5. The multi-station die holder suitable for the elastomer deep-hole forgings as claimed in claim 1, wherein the bottom of each female die is provided with a push rod for ejecting after the forgings are formed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922357226.8U CN212093768U (en) | 2019-12-25 | 2019-12-25 | Multi-station die holder suitable for projectile deep hole forging |
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| CN201922357226.8U CN212093768U (en) | 2019-12-25 | 2019-12-25 | Multi-station die holder suitable for projectile deep hole forging |
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| CN212093768U true CN212093768U (en) | 2020-12-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136118A (en) * | 2019-12-25 | 2020-05-12 | 北京机电研究所有限公司 | Multi-station movable die holder suitable for projectile deep hole forging |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136118A (en) * | 2019-12-25 | 2020-05-12 | 北京机电研究所有限公司 | Multi-station movable die holder suitable for projectile deep hole forging |
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