CN114769487B - Forming device and forming method for stainless steel long pipe type forge piece - Google Patents

Forming device and forming method for stainless steel long pipe type forge piece Download PDF

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Publication number
CN114769487B
CN114769487B CN202210485002.9A CN202210485002A CN114769487B CN 114769487 B CN114769487 B CN 114769487B CN 202210485002 A CN202210485002 A CN 202210485002A CN 114769487 B CN114769487 B CN 114769487B
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forming
cavity
fixedly connected
stainless steel
push
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CN114769487A (en
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华鹏
邵兴明
华大凤
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Jiangsu Hualin Alloy Co.,Ltd.
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Jiangsu Xinhe Alloy Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00Forging presses
    • B21J9/02Special design or construction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/50Cleaning by methods involving the use of tools involving cleaning of the cleaning members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/02Dies or mountings therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K27/00Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

The invention belongs to the technical field of stainless steel forming, and particularly relates to a forming device and a forming method of a stainless steel long tube forging, which comprises a forming seat, wherein an upper die holder is connected to the surface of the forming seat in a sliding manner close to the upper part, a supporting rod is fixedly connected to the lower surface of the upper die holder, a plurality of push blocks are fixedly connected to the outer surface of the upper die holder, the push blocks are respectively and fixedly connected to the periphery of the upper die holder, and a lower die holder is arranged on the surface of the forming seat and in the same vertical line with the upper die holder; the guide plates are driven to move to one side of the forming cavity through the pushing seat, and then the guide plates in the circumferential array abut against the outer surface of the forming cavity; at the moment, the blank can be always positioned in the center of extrusion by surrounding a circle of guide plates, so that the effect of uniform extrusion is achieved, and a stainless steel long pipe type forging with better quality can be formed; the phenomenon that the blank deviates in the extrusion process to cause uneven forming is avoided.

Description

Forming device and forming method for stainless steel long pipe type forge piece
Technical Field
The invention belongs to the technical field of stainless steel forming, and particularly relates to a forming device and a forming method of a stainless steel long pipe type forging.
Background
The stainless steel long pipe forging is a hollow long strip round steel, and is mainly widely used for industrial conveying pipelines, mechanical structural parts and the like of petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and the like.
A Chinese patent with publication No. CN110814249B discloses a forming method of a stainless steel long pipe type forging, the invention extrudes the long pipe type forging through an extrusion forming process, obtains high-quality structure performance, can effectively prevent the problem of abnormal grain growth caused by uneven forging of raw materials and forgings, and carries out annealing treatment on the extruded long pipe type forging, thereby effectively preventing the forging from cracking caused by thermal stress in the cooling process of the alloy, and meeting the requirement of ultrasonic flaw detection.
When long pipe type forgings are machined, a pre-machined blank needs to be extruded by a die in an oil press, the die is extruded to form the long pipe type forgings, and the phenomenon of uneven extrusion of raw material displacement easily occurs in the extrusion process of some oil presses at present, so that the forming quality of the stainless steel long pipe type forgings is influenced.
Therefore, the invention provides a forming device and a forming method for a stainless steel long pipe forging.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problem is as follows: the forming device of the stainless steel long tube forging comprises a forming seat, wherein an upper die base is connected to the surface of the forming seat in a sliding mode close to the upper side, a supporting rod is fixedly connected to the lower surface of the upper die base, a plurality of push blocks are fixedly connected to the outer surface of the upper die base, the push blocks are fixedly connected to the periphery of the upper die base respectively, a lower die base is arranged on the surface of the forming seat and in the same vertical line with the upper die base, push seats which correspond to the supporting rods one to one in a sliding mode are connected to the outer surface of the lower die base, and the side, away from the lower die base, of each push seat is arc-shaped; a forming cavity is fixedly connected inside the forming seat, and a guide plate is arranged on one side, close to the forming cavity, of the pushing seat; in the embodiment, the upper die base is connected with an external electric cylinder rod; coating a glass lubricant on the surface of a preprocessed blank, heating and insulating the blank to enable the glass lubricant to be melted on the surface of the blank to form a liquid film, putting the insulated blank into a die in an oil press for extrusion, extruding a long-tube forging and then cooling; when the mould is in work, the blank after heat preservation is placed in a forming cavity in a forming seat, an external electric cylinder rod is driven to move an upper mould seat to one side of a lower mould seat, when the upper mould seat and the lower mould seat are combined with each other, push blocks at different positions of the outer surface of the upper mould seat are in one-to-one contact with one sides of push seats, the push seats drive a guide plate to move to one side of the forming cavity, and then the guide plate in a circumferential array is pressed on the outer surface of the forming cavity; at the moment, the blank can be always positioned at the center of extrusion by the aid of the guide plates surrounding the circle, so that the effect of uniform extrusion is achieved, and stainless steel long-tube forgings with good quality can be formed; the phenomenon that the blank deviates in the extrusion process to cause uneven forming is avoided.
Preferably, a cylindrical cavity is fixedly connected inside the lower die base, a piston plate is connected inside the cylindrical cavity in a sliding manner, a push rod is fixedly connected to one side, away from the forming cavity, of the piston plate, and one end of the push rod is connected with one side of the push base; the upper side and the lower side of the push rod and the inner wall of the columnar cavity are fixedly connected with compression springs, and one side of the outer surface of the columnar cavity, which is close to the molding cavity, is fixedly connected with an air blowing pipe; when the device works, when the push block drives the push seat to move, the push seat can simultaneously drive the push rod to move, then the push rod can drive the piston plate to move in the cylindrical cavity, the compression springs on the two sides are pulled, at the moment, gas in the cylindrical cavity is extruded out and blown to one side of the forming cavity through the external blowing pipe, and part of dust on the surface of the forming cavity is blown and wiped, so that the quality of the formed stainless steel long pipe type forge piece is further improved; after one-time work is finished, the compression spring in the stretching state returns to drive the push rod and the piston plate to return, and the push rod and the piston plate are convenient to reuse.
Preferably, a pressing rod is slidably connected to one side, close to the cylindrical cavity, inside the forming cavity, extension springs are fixedly connected to the upper side and the lower side of the pressing rod and located on the inner wall of the cylindrical cavity, and a concave guide plate is arranged on one side, close to the forming cavity, of the guide plate; during operation, promote the piston board at the inside removal in-process of columnar order cavity at the push rod, the piston board can with support the compression bar contact, and then support the compression bar and can stimulate extension spring and remove, later support the compression bar and can remove to the one side that is close to concave type baffle, make concave type baffle hug closely at the surface of shaping cavity, can be further carry out the guide effect to the stock, reduced the production of defective rate.
Preferably, the upper side and the lower side of the pressure-resisting rod are both rotatably connected with deflection columns through rotating shafts, the upper side and the lower side of the push rod are both fixedly connected with connecting rods, one sides of the two connecting rods, which are close to the deflection columns, are both fixedly connected with pressure columns, one end of each deflection column is connected with the outer surface of the pressure-resisting rod, and the other end of each deflection column is connected with the inner wall of the concave guide plate; when the device works, when the push rod moves, the connecting rods on the upper side and the lower side are simultaneously driven to move, the connecting rods drive the pressing columns to move, then the pressing columns can abut against the deflection columns on one side of the pressing columns, the deflection columns on the upper side and the lower side rotate at a certain angle, and meanwhile, the deflection columns can drive the concave guide plate to contract to a certain degree, so that the concave guide plate is tightly attached to the outer surface of the forming cavity to guide a blank, and the exposed area of the forming cavity is reduced; meanwhile, the heat insulation effect is achieved to a certain extent, and convenience is brought to the forming of the stainless steel long pipe forging body.
Preferably, the outer surface of the molding cavity is fixedly connected with a plurality of sealing sleeves, the sealing sleeves are arranged between the upper die holder and the lower die holder in a circumferential array, one side of the deflection column, which is far away from the connecting rod, is rotatably connected with a pressure resisting head, and one end of the pressure resisting head is connected with the side surface of the sealing sleeves; during operation, when the deflection column rotates, the deflection column can simultaneously press down the pressure head that supports of one side thereof, and the pressure head that makes supports moves to one side that is close to the seal cover, makes the leakproofness reinforcing of junction between cope match-plate pattern and the die holder, avoids partial stock to flow out the junction between cope match-plate pattern and the die holder.
Preferably, one side of the pressure resisting head, which is close to the sealing sleeve, is rotatably connected with a wrapping plate, and the wrapping plate is V-shaped; during operation, when the pressing head presses the sealing sleeve, the pressing head can act on certain force on the surface of the wrapping plate at the same time, so that the wrapping plate is opened, the contact area between the wrapping plate and the sealing sleeve is increased, and the sealing performance of a joint between the upper die base and the lower die base is improved.
Preferably, the surface of the concave guide plate is fixedly connected with an attaching plate, the interior of the attaching plate is connected with two bonding plates in a sliding manner, and one side of each bonding plate and the inner wall of the attaching plate are fixedly connected with a pressing spring; the during operation, when concave type baffle received the pressure of propping the depression bar, the surface at the shaping cavity can be hugged closely to the attached board and the bonding board on concave type baffle surface to make to support and press the spring and be the state of sticising, after one shot forming finishes, when supporting the surface that the concave type baffle was kept away from to the depression bar, when supporting the pressure spring by sticising the state and reseing, the surface that the shaping cavity was kept away from to drive bonding board and attached board that can be quick, thereby can be convenient take out shaping stainless steel long tube class forging, avoid the inside attached at the shaping cavity of fashioned forging.
Preferably, a cleaning rod is fixedly connected to one side, away from the abutting spring, of the bonding plate, and the cleaning rod is arranged on one side, close to the forming cavity; when in work; when supporting the compression spring and driving bonding board when reseing, support the compression spring and become when extending the state by sticising the state, can produce certain rocking to drive the clearance pole and rock, make the clearance pole be certain angle rock in the inside of shaping cavity, the clearance pole can be to the inner wall contact of shaping cavity this moment, and clear up its inner wall.
Preferably, the cleaning sponge is arranged on the outer surface of the cleaning rod, water is filled in the cleaning sponge, and a plurality of cleaning sponges are irregularly arranged on the outer surface of the cleaning rod; the during operation, when the clearance pole rocks in the shaping cavity is inside, can drive the clearance sponge simultaneously and rock, and the inside partial quality of clearance sponge can be thrown away this moment, has improved the clearance effect to the shaping cavity.
A forming method of a stainless steel long pipe forging is suitable for any one of the forming devices of the stainless steel long pipe forging, and comprises the following steps:
s1, placing the heat-insulated blank in a forming cavity in a forming seat, and driving an external electric cylinder rod to move an upper die base to one side of a lower die base;
s2, when the upper die base and the lower die base are combined with each other, the push blocks at different positions of the outer surface of the upper die base are in one-to-one contact with one sides of the push bases corresponding to the push blocks, and the push bases drive the guide plates to move to one side of the forming cavity;
s3, pressing the guide plates in the circumferential array on the outer surface of the forming cavity; the guiding plate surrounding a circle can keep the blank in the center of the extrusion all the time.
The invention has the following beneficial effects:
1. according to the forming device and the forming method of the stainless steel long pipe type forge piece, the guide plates are driven by the push bases to move towards one side of the forming cavity, and then the guide plates in the circumferential array abut against the outer surface of the forming cavity; at the moment, the blank can be always positioned in the center of extrusion by surrounding a circle of guide plates, so that the effect of uniform extrusion is achieved, and a stainless steel long pipe type forging with better quality can be formed; the phenomenon that the blank deviates in the extrusion process to cause uneven forming is avoided.
2. According to the forming device and the forming method of the stainless steel long tube forging, when the rotating column rotates, the deflection column can simultaneously press the pressure resisting head on one side of the deflection column downwards, so that the pressure resisting head moves towards one side close to the sealing sleeve, the sealing performance of the joint between the upper die base and the lower die base is enhanced, and partial blank is prevented from flowing out of the joint between the upper die base and the lower die base.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top sectional view of the lower die holder of the present invention;
FIG. 3 is a view showing a structure of a pillar-shaped chamber according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 6 is a schematic view of a portion of the concave guide plate of the present invention;
FIG. 7 is a schematic illustration of a portion of a second embodiment of the cleaning rod of the present invention;
FIG. 8 is a flow chart of a method of the present invention.
In the figure: 1. forming a base; 2. an upper die holder; 21. a support bar; 22. a push block; 3. a lower die holder; 31. a pushing seat; 32. a guide plate; 321. a concave guide plate; 4. a columnar cavity; 41. a piston plate; 42. a push rod; 421. a connecting rod; 422. pressing the column; 43. a compression spring; 5. forming a cavity; 51. sealing sleeves; 6. a pressing rod; 61. an extension spring; 62. a deflection post; 621. pressing the head; 622. a wrapping sheet; 7. attaching a plate; 71. bonding a plate; 72. pressing the spring; 73. cleaning the rod; 74. cleaning the sponge.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example one
As shown in fig. 1 to 6, the forming device for a stainless steel long tube forging according to the embodiment of the present invention includes a forming base 1, an upper base 2 is slidably connected to a surface of the forming base 1 near an upper portion, a support rod 21 is fixedly connected to a lower surface of the upper base 2, a plurality of push blocks 22 are fixedly connected to an outer surface of the upper base 2, and are respectively and fixedly connected to the periphery of the upper base 2, a lower base 3 is disposed on a surface of the forming base 1 and on the same vertical line with the upper base 2, push bases 31 are slidably connected to an outer surface of the lower base 3, and are disposed in one-to-one correspondence with the support rod 21, and a side of each of the push bases 31, which is far away from the lower base 3, is arc-shaped; a forming cavity 5 is fixedly connected inside the forming seat 1, and a guide plate 32 is installed on one side, close to the forming cavity 5, of the push seat 31; in the embodiment, the upper die base 2 is connected with an external electric cylinder rod; when long pipe forgings are machined, a preprocessed blank needs to be placed in an oil press to be extruded by a die, so that the die is extruded into the long pipe forgings, but in the extrusion process of some oil presses, the phenomenon of uneven extrusion of raw materials is easy to occur, and the forming quality of the stainless steel long pipe forgings is influenced; when the die is in operation, a blank after heat preservation is placed in the forming cavity 5 in the forming seat 1, an external electric cylinder rod is driven to move the upper die holder 2 to one side of the lower die holder 3, when the upper die holder 2 and the lower die holder 3 are combined with each other, the push blocks 22 at different positions on the outer surface of the upper die holder 2 are contacted with one sides of the push seats 31 which are in one-to-one correspondence with the push blocks, the push seats 31 drive the guide plates 32 to move to one side of the forming cavity 5, and then the guide plates 32 in the circumferential array are pressed against the outer surface of the forming cavity 5; at the moment, the blank can be always positioned at the center of extrusion by the aid of the guide plates 32 surrounding the circle, so that the effect of uniform extrusion is achieved, and stainless steel long-tube forgings with good quality can be formed; the phenomenon that the blank deviates in the extrusion process to cause uneven forming is avoided.
As shown in fig. 2 to 5, a cylindrical cavity 4 is fixedly connected inside the lower die holder 3, a piston plate 41 is slidably connected inside the cylindrical cavity 4, a push rod 42 is fixedly connected to one side of the piston plate 41 away from the forming cavity 5, and one end of the push rod 42 is connected to one side of the push seat 31; the upper side and the lower side of the push rod 42 and the inner wall of the column cavity 4 are fixedly connected with compression springs 43, and one side of the outer surface of the column cavity 4 close to the forming cavity 5 is fixedly connected with an air blowing pipe; when the device works, when the push block 22 drives the push seat 31 to move, the push seat 31 can simultaneously drive the push rod 42 to move, then the push rod 42 can drive the piston plate 41 to move in the cylindrical cavity 4 and pull the compression springs 43 on two sides, at the moment, the gas in the cylindrical cavity 4 is extruded out and blown to one side of the forming cavity 5 through the external blowing pipe, and partial dust on the surface of the forming cavity 5 is blown away, so that the quality of the formed stainless steel long pipe type forged piece is further improved; after one work is finished, the compression spring 43 in the stretching state is restored, and the push rod 42 and the piston plate 41 are driven to be restored, so that the work is convenient to reuse.
As shown in fig. 2 to 5, a pressing rod 6 is slidably connected to one side of the inside of the forming cavity 5 close to the cylindrical cavity 4, extension springs 61 are fixedly connected to the upper and lower sides of the pressing rod 6 and the inner wall of the cylindrical cavity 4, and a concave guide plate 321 is disposed on one side of the guide plate 32 close to the forming cavity 5; during operation, push rod 42 promotes piston plate 41 and moves the in-process in the inside of columnar cavity 4, and piston plate 41 can with support the contact of pressure lever 6, and then support pressure lever 6 can stimulate extension spring 61 and move, later support pressure lever 6 and can move to the one side that is close to concave baffle 321, make concave baffle 321 hug closely at the surface of shaping cavity 5, can be further carry out the guide effect to the stock, reduced the production of defective percentage.
As shown in fig. 2 to 5, the upper and lower sides of the pressing rod 6 are rotatably connected with a deflection column 62 through a rotating shaft, the upper and lower sides of the push rod 42 are fixedly connected with a connecting rod 421, one side of each of the two connecting rods 421 close to the deflection column 62 is fixedly connected with a pressing column 422, one end of the deflection column 62 is connected with the outer surface of the pressing rod 6, and the other end is connected with the inner wall of the concave guide plate 321; when the push rod 42 moves, the upper and lower connecting rods 421 are simultaneously driven to move, the connecting rods 421 drive the pressing columns 422 to move, then the pressing columns 422 can press against the deflection columns 62 on one side of the pressing columns, so that the deflection columns 62 on the upper and lower sides rotate at a certain angle, and meanwhile, the deflection columns 62 drive the concave guide plate 321 to shrink to a certain degree, so that the concave guide plate 321 is tightly attached to the outer surface of the forming cavity 5 to guide a blank, and the exposed area of the forming cavity 5 is reduced; meanwhile, the heat insulation effect is achieved to a certain extent, and convenience is brought to the forming of the stainless steel long pipe forging body.
As shown in fig. 2 to 5, a plurality of sealing sleeves 51 are fixedly connected to the outer surface of the forming cavity 5, and are circumferentially arranged between the upper die holder 2 and the lower die holder 3, one side of the deflection column 62 away from the connecting rod 421 is rotatably connected with a pressure resisting head 621, and one end of the pressure resisting head 621 is connected with a side surface of the sealing sleeve 51; during operation, when the deflection column 62 rotates, the deflection column 62 can simultaneously press down the pressing head 621 on one side thereof, so that the pressing head 621 moves towards one side close to the sealing sleeve 51, the sealing performance of the joint between the upper die holder 2 and the lower die holder 3 is enhanced, and partial blank is prevented from flowing out of the joint between the upper die holder 2 and the lower die holder 3.
As shown in fig. 2 to 5, a wrapping plate 622 is rotatably connected to a side of the pressure resisting head 621 close to the sealing sleeve 51, and the wrapping plate 622 is V-shaped; during operation, when the pressing head 621 presses the sealing sleeve 51, the pressing head 621 can act on a certain force on the surface of the wrapping plate 622, so that the wrapping plate 622 is opened, the contact area between the wrapping plate 622 and the sealing sleeve 51 is increased, and the sealing performance of the joint between the upper die holder 2 and the lower die holder 3 is improved.
As shown in fig. 3 to 6, an attachment plate 7 is fixedly connected to a surface of the concave guide plate 321, two adhesive plates 71 are slidably connected to an inner portion of the attachment plate 7, and a pressing spring 72 is fixedly connected to one side of each adhesive plate 71 and an inner wall of the attachment plate 7; during operation, when concave baffle 321 received the pressure that supports depression bar 6, the attached board 7 and the bonding board 71 on concave baffle 321 surface can hug closely at the surface of shaping cavity 5, and make and support pressure spring 72 and be the state of sticising, after one shot forming finishes, when supporting the surface that the depression bar 6 kept away from concave baffle 321, when supporting pressure spring 72 and reseing by the state of sticising, the surface that shaping cavity 5 was kept away from to drive bonding board 71 and attached board 7 that can be quick, thereby can be convenient take out the long tubular forging of shaping stainless steel, avoid the inside attached at shaping cavity 5 of fashioned forging.
As shown in fig. 7, a first comparative example, in which another embodiment of the present invention is: a cleaning rod 73 is fixedly connected to one side of the bonding plate 71, which is far away from the abutting spring 72, and the cleaning rod 73 is arranged at one side close to the molding cavity 5; when in work; when the pressing spring 72 drives the bonding plate 71 to reset, the pressing spring 72 is in an extended state from a compressed state, and the pressing spring can swing to a certain extent, and drives the cleaning rod 73 to swing, so that the cleaning rod 73 swings at a certain angle in the molding cavity 5, and at the moment, the cleaning rod 73 can contact the inner wall of the molding cavity 5 and clean the inner wall of the molding cavity 5.
As shown in fig. 7, a plurality of cleaning sponges 74 are installed on the outer surface of the cleaning rod 73, water is filled in the cleaning sponges 74, and the cleaning sponges 74 are irregularly arranged on the outer surface of the cleaning rod 73; during operation, when the cleaning rod 73 rocks inside the molding cavity 5, the cleaning sponge 74 can be simultaneously driven to rock, and part of water in the cleaning sponge 74 can be thrown away, so that the cleaning effect on the molding cavity 5 is improved.
As shown in fig. 8, a method for forming a stainless steel long pipe forging, which is applied to any one of the above devices, comprises:
s1, placing the heat-insulated blank in a forming cavity 5 in a forming seat 1, and driving an external electric cylinder rod to move an upper die holder 2 to one side of a lower die holder 3;
s2, when the upper die holder 2 and the lower die holder 3 are combined with each other, the push blocks 22 at different positions of the outer surface of the upper die holder 2 are in mutual contact with one sides of the push seats 31 corresponding to the push blocks one by one, and the push seats 31 drive the guide plate 32 to move to one side of the forming cavity 5;
s3, pressing the guide plates 32 in the circumferential array against the outer surface of the forming cavity 5; the guide plate 32 is now looped around to keep the blank in the centre of the extrusion.
When the die is in operation, the blank after heat preservation is placed in the forming cavity 5 in the forming seat 1, an external electric cylinder rod is driven to move the upper die holder 2 to one side of the lower die holder 3, when the upper die holder 2 and the lower die holder 3 are combined with each other, the push blocks 22 at different positions on the outer surface of the upper die holder 2 are in mutual contact with one sides of the push seats 31 in one-to-one correspondence with the push blocks, the push seats 31 drive the guide plates 32 to move to one side of the forming cavity 5, and then the guide plates 32 in the circumferential array are pressed on the outer surface of the forming cavity 5; at the moment, the blank can be always positioned in the center of extrusion by surrounding a circle of guide plates 32, so that the effect of uniform extrusion is achieved, and a stainless steel long-tube forging with better quality can be formed; the phenomenon of uneven forming caused by deviation of the blank in the extrusion process is avoided; the push seat 31 can simultaneously drive the push rod 42 to move, then the push rod 42 can drive the piston plate 41 to move in the cylindrical cavity 4 and pull the compression springs 43 on the two sides, at the moment, gas in the cylindrical cavity 4 is extruded out and blown to one side of the forming cavity 5 through the external air blowing pipe, and part of dust on the surface of the forming cavity 5 is blown and wiped, so that the quality of the formed stainless steel long pipe type forged piece is further improved; after one work is finished, the compression spring 43 in the stretching state is restored, and the push rod 42 and the piston plate 41 are driven to be restored, so that the work is convenient to reuse.
In the process that the push rod 42 pushes the piston plate 41 to move in the cylindrical cavity 4, the piston plate 41 is in contact with the abutting rod 6, the abutting rod 6 further pulls the extension spring 61 to move, and then the abutting rod 6 moves to one side close to the concave guide plate 321, so that the concave guide plate 321 is tightly attached to the outer surface of the forming cavity 5, the blank can be further guided, and the defective rate is reduced; when the push rod 42 moves, the connecting rod 421 on the upper and lower sides is simultaneously driven to move, the connecting rod 421 drives the pressing column 422 to move, then the pressing column 422 abuts against the deflection column 62 on one side of the pressing column, so that the deflection columns 62 on the upper and lower sides rotate at a certain angle, and meanwhile, the deflection column 62 drives the concave guide plate 321 to contract to a certain degree, so that the concave guide plate 321 clings to the outer surface of the molding cavity 5 to guide the blank, and the exposed area of the molding cavity 5 is reduced; meanwhile, the heat insulation effect is achieved to a certain extent, and convenience is brought to the forming of the stainless steel long pipe forging body.
When the deflection column 62 rotates, the deflection column 62 presses down the pressing head 621 on one side of the deflection column simultaneously, so that the pressing head 621 moves towards one side close to the sealing sleeve 51, the sealing performance of the joint between the upper die base 2 and the lower die base 3 is enhanced, and a part of blank is prevented from flowing out of the joint between the upper die base 2 and the lower die base 3; when the pressing head 621 presses the sealing sleeve 51, the pressing head 621 can simultaneously act on a certain force on the surface of the wrapping plate 622, so that the wrapping plate 622 is opened, the contact area between the wrapping plate 622 and the sealing sleeve 51 is increased, and the sealing performance of the joint between the upper die holder 2 and the lower die holder 3 is improved; receive when propping the pressure of depression bar 6 at concave baffle 321, the attached board 7 and the bonding board 71 on concave baffle 321 surface can hug closely at the surface of shaping cavity 5, and make and support and press spring 72 to be the state of sticising, after one shot forming finishes, when the surface of the concave baffle 321 of pressure bar 6 supports, when supporting and press spring 72 by sticising the state and reset, the surface of shaping cavity 5 is kept away from to drive bonding board 71 that can be quick and attached board 7, thereby can be convenient take out the long tubular forging of shaping stainless steel, avoid the inside of fashioned attached shaping cavity 5.
When the pressing spring 72 drives the bonding plate 71 to reset, and the pressing spring 72 is changed from a compressed state to an extended state, a certain shake is generated, and the cleaning rod 73 is driven to shake, so that the cleaning rod 73 is swung at a certain angle in the molding cavity 5, and at the moment, the cleaning rod 73 contacts with and cleans the inner wall of the molding cavity 5; when the cleaning rod 73 rocks inside the molding cavity 5, the cleaning sponge 74 can be simultaneously driven to rock, and part of water in the cleaning sponge 74 can be thrown out, so that the cleaning effect on the molding cavity 5 is improved.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and so on.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a forming device of stainless steel long tube class forging which characterized in that: the die comprises a forming seat (1), wherein an upper die base (2) is connected to the surface of the forming seat (1) in a sliding manner close to the upper side, a support rod (21) is fixedly connected to the lower surface of the upper die base (2), a plurality of push blocks (22) are fixedly connected to the outer surface of the upper die base (2), the push blocks (22) are respectively and fixedly connected to the periphery of the upper die base (2), a lower die base (3) is arranged on the surface of the forming seat (1) and is in the same vertical line with the upper die base (2), push seats (31) which are in one-to-one correspondence with the support rod (21) are connected to the outer surface of the lower die base (3) in a sliding manner, and the push seats (31) far away from the lower die base (3) are arc-shaped; a forming cavity (5) is fixedly connected inside the forming seat (1), and a guide plate (32) is installed on one side, close to the forming cavity (5), of the push seat (31);
a cylindrical cavity (4) is fixedly connected to the inside of the lower die holder (3), a piston plate (41) is connected to the inside of the cylindrical cavity (4) in a sliding manner, a push rod (42) is fixedly connected to one side, away from the molding cavity (5), of the piston plate (41), and one end of the push rod (42) is connected with one side of the push holder (31); the upper side and the lower side of the push rod (42) and the inner wall of the column-shaped cavity (4) are fixedly connected with compression springs (43), and one side of the outer surface of the column-shaped cavity (4) close to the forming cavity (5) is fixedly connected with an air blowing pipe.
2. The forming device of the stainless steel long tube forging according to claim 1, wherein: one side sliding connection that the inside of shaping cavity (5) is close to columnar cavity (4) has to support depression bar (6), support the upper and lower both sides of depression bar (6) and be located the equal fixedly connected with extension spring (61) of inner wall of columnar cavity (4), one side that deflector (32) are close to shaping cavity (5) is provided with concave type baffle (321).
3. The forming device of the stainless steel long tube forging as claimed in claim 2, wherein: the upper side and the lower side of the pressing rod (6) are rotatably connected with a deflection column (62) through a rotating shaft, the upper side and the lower side of the push rod (42) are fixedly connected with connecting rods (421), two connecting rods (421) are fixedly connected with pressing columns (422) on one side close to the deflection column (62), one end of each deflection column (62) is connected with the outer surface of the pressing rod (6), and the other end of each deflection column is connected with the inner wall of the concave guide plate (321).
4. The forming device of the stainless steel long tube forging according to claim 3, characterized in that: the outer fixed surface of shaping cavity (5) is connected with seal cover (51), the quantity of seal cover (51) sets up a plurality ofly, and is the circumference array and sets up between upper die base (2) and lower die holder (3), one side rotation that connecting rod (421) were kept away from in deflection post (62) is connected with and supports pressure head (621), the one end that supports pressure head (621) links to each other with the side surface of seal cover (51).
5. The forming device of the stainless steel long tube forging according to claim 4, wherein: one side of the pressure resisting head (621) close to the sealing sleeve (51) is rotatably connected with a wrapping plate (622), and the wrapping plate (622) is V-shaped.
6. The forming device of the stainless steel long tube forging according to claim 2, wherein: the surface of the concave guide plate (321) is fixedly connected with an attaching plate (7), the inner part of the attaching plate (7) is connected with bonding plates (71) in a sliding mode, the number of the bonding plates (71) in the attaching plate (7) is two, and one side of each bonding plate (71) is fixedly connected with a pressing spring (72) which is located on the inner wall of the attaching plate (7).
7. The forming device of the stainless steel long tube forging as claimed in claim 6, wherein: one side, far away from the abutting spring (72), of the bonding plate (71) is fixedly connected with a cleaning rod (73), and the cleaning rod (73) is arranged on one side close to the forming cavity (5).
8. The forming device of the stainless steel long tube forging according to claim 7, characterized in that: the outer surface mounting of clearance pole (73) has clearance sponge (74), the inside of clearance sponge (74) is filled with water, clearance sponge (74) set up a plurality ofly, and be irregular setting at clearance pole (73) surface.
9. A forming method of a stainless steel long pipe forging is characterized by comprising the following steps: the forming method comprises a forming device of the stainless steel long-tube forging as claimed in any one of claims 1-8, and the method comprises the following steps:
s1, placing the heat-insulated blank in a forming cavity (5) in a forming seat (1), and driving an external electric cylinder rod to move an upper die seat (2) to one side of a lower die seat (3);
s2, when the upper die holder (2) and the lower die holder (3) are combined with each other, the push blocks (22) at different positions of the outer surface of the upper die holder (2) are in mutual contact with one sides of the push seats (31) corresponding to the push blocks one by one, and the push seats (31) drive the guide plate (32) to move towards one side of the forming cavity (5);
s3, the guide plates (32) in the circumferential array are pressed against the outer surface of the forming cavity (5); the blank is now centered in the extrusion by a guide plate (32) which is looped around.
CN202210485002.9A 2022-05-06 2022-05-06 Forming device and forming method for stainless steel long pipe type forge piece Active CN114769487B (en)

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CN118080768A (en) * 2024-04-26 2024-05-28 泰兴市鹏生锻造有限公司 Automobile journal forging die

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201221244A (en) * 2010-11-19 2012-06-01 Metal Ind Res & Dev Ct Multi-movement forging formation module
CN112108569A (en) * 2020-08-26 2020-12-22 马新航 Continuous stamping die for metal stamping
CN214108477U (en) * 2020-11-03 2021-09-03 泰州东田电子有限公司 Lead frame forming die
CN214442281U (en) * 2021-03-08 2021-10-22 青岛新众惠机械制造有限公司 Novel die stamping device without female die for condenser pipe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201221244A (en) * 2010-11-19 2012-06-01 Metal Ind Res & Dev Ct Multi-movement forging formation module
CN112108569A (en) * 2020-08-26 2020-12-22 马新航 Continuous stamping die for metal stamping
CN214108477U (en) * 2020-11-03 2021-09-03 泰州东田电子有限公司 Lead frame forming die
CN214442281U (en) * 2021-03-08 2021-10-22 青岛新众惠机械制造有限公司 Novel die stamping device without female die for condenser pipe

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