CN115921586A - Seamless steel pipe forming die - Google Patents
Seamless steel pipe forming die Download PDFInfo
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- CN115921586A CN115921586A CN202211456090.6A CN202211456090A CN115921586A CN 115921586 A CN115921586 A CN 115921586A CN 202211456090 A CN202211456090 A CN 202211456090A CN 115921586 A CN115921586 A CN 115921586A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the technical field of seamless steel tube molds, in particular to a seamless steel tube forming mold which comprises a mold base, a shaping seat, a plurality of shaping rollers, a plurality of lug plates, an inner support shaping mechanism and a pushing mechanism. When the seamless steel pipe is straightened and formed, the straightening of the seamless steel pipe is realized through the matching of the inner support shaping mechanism and the plurality of shaping rollers, and the shaping and straightening are performed on the uneven parts on the side wall of the steel pipe, so that the forming and straightening effects of the steel pipe are improved, the problem that the later use of the seamless steel pipe is influenced by the uneven parts on the side wall of the steel pipe due to collision between the steel pipe and other structures in the processing process is solved, after the steel pipe is completely sleeved on the rotating shaft, the pushing mechanism and the blanking mechanism are matched to drive the steel pipe to axially reciprocate along the rotating shaft, and the shaping wheel continues to rotate in the process, so that the shaping wheel reciprocally shapes and straightens the steel pipe, and the straightening effect of the steel pipe is improved.
Description
Technical Field
The invention relates to the technical field of seamless steel pipe dies, in particular to a seamless steel pipe forming die.
Background
The seamless steel pipe is formed by punching a whole round steel, and the surface of the seamless steel pipe is not provided with a welding seam.
At present, when a seamless steel pipe is straightened, a plurality of straightening rollers are adopted to extrude the seamless steel pipe so as to straighten the seamless steel pipe, but the straightening mode can only straighten the whole external straightness of the steel pipe, and can not straighten the surface unevenness caused by collision when the steel pipe is clamped in a machining mode or in a moving process, and the unevenness of the side wall of the steel pipe can easily influence later use.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme that the seamless steel tube forming die comprises a die base, a shaping seat, a plurality of shaping rollers, a plurality of lug plates, an inner support shaping mechanism and a pushing mechanism, wherein the die base which is uniformly distributed along the width direction of the die base is arranged at the top of the die base, the die base is of a rectangular structure, and an arc-shaped mounting groove is formed in the top of the die base.
The shaping seat is arranged in the arc-shaped mounting groove and is of an arc-shaped structure.
A plurality of design rollers rotate and locate on the design seat, and evenly arrange along the arc concave surface of design seat.
A plurality of otic placodes are evenly arranged along the width direction of the mould base, and the otic placodes correspond to the mould base one by one.
The inner support shaping mechanism is arranged on the ear plate and positioned above the shaping seat and used for being inserted into the steel pipe to shape the inner wall of the steel pipe.
The inner supporting and shaping mechanism is matched with the shaping roller inside and outside to shape and straighten the inner wall and the outer wall of the steel pipe.
The pushing mechanism is arranged on the mold base and is positioned on one side of the mold base, which is far away from the lug plate.
The blanking mechanism is arranged at the top of the die seat and used for driving the steel pipe to move so as to take down the steel pipe.
Internal stay plastic mechanism aligns with the arc concave surface centre of a circle of sizing seat including rotating the rotation axis of connection on the otic placode, and the cover is equipped with along the plastic wheel that its axial was evenly arranged on the rotation axis, and except that being close to the plastic wheel of otic placode, remaining plastic wheel all is the middle part and is cylindrical, both sides are conical shape, and the one side of keeping away from the otic placode is the toper structure near the plastic wheel of otic placode, and the one side that is close to the otic placode is round structure.
Preferably, the pushing mechanism includes the shifting chute of evenly arranging along mold base width direction, the shifting chute is located the mold base under, and run through mold base and keep away from one side of otic placode, set up the spread groove that communicates with a plurality of shifting chutes on the mold base, sliding connection has the link block in the spread groove, be connected with on the link block along its length direction evenly arrange and at the gliding L template of shifting chute, the horizontal segment of L template is connected with the link block, the vertical section of L template is close to the terminal surface of mold base and installs the arc push pedal of vertical section for falling the L type through the arc frame, the terminal surface roll connection of arc push pedal and steel pipe tip contact has the solid ball of supporting of evenly arranging, install on the mold base along the evenly seat of accepting of arranging of its width direction, it keeps away from the terminal surface of otic placode with the mold base and is connected, the vertical section of L template is close to the terminal surface of mold base and installs and accepts the group, accept the group is accepted with the cooperation of accepting the seat when the steel pipe is placed.
Preferably, the bearing group comprises a plurality of telescopic spring rods which are connected with the vertical section of the L-shaped plate and are uniformly distributed along the circumferential direction of the rotating shaft, the end faces, close to the die base, of the plurality of telescopic spring rods are jointly connected with a bearing disc, the side wall of the bearing disc is rotatably connected with rotating rollers uniformly distributed along the circumferential direction of the bearing disc, the end face, close to the rotating shaft, of the bearing disc is provided with a pushing groove in a conical structure, and the inner side wall of the pushing groove is connected with antifriction balls uniformly distributed in a rolling mode.
Preferably, the conveying balls which are uniformly distributed are connected in the concave surface of the bearing seat in a rolling manner, and the conveying balls are used for reducing the friction force between the steel pipe and the bearing seat in the moving process.
Preferably, one end of the rotating shaft, which is far away from the lug plate, is provided with a cross-shaped slot, the vertical section of the L-shaped plate is rotatably connected with a step seat concentric with the rotating shaft, the end face of the step seat, which is far away from the die seat, is provided with a storage hole, the end face of the step seat, which is close to the die seat, is provided with a sliding groove which is communicated with the storage hole and is in a cross-shaped structure, the sliding groove and the slot are in one-to-one correspondence, the sliding groove is in sliding connection with a stabilizer bar which is inserted into the slot and is in the cross-shaped structure, a through groove which is in sliding connection with the stabilizer bar is formed in the bearing disc, one end of the stabilizer bar, which is far away from the rotating shaft, is provided with a driving disc, the end faces of the driving discs, which are far away from the L-shaped plate, are jointly connected with a pulling frame, the pulling frame is rotatably connected with the driving disc, a locking plate is arranged on the pulling frame, and the vertical section of one L-shaped plate is connected with a pinch plate in a structure of a 21274.
Preferably, the blanking mechanism includes that mould seat top installs the backup pad along its width direction symmetrical arrangement, and the spacing groove has all been seted up to the opposite face of backup pad, installs through sliding pull rod between the spacing groove and supports the throw-out collar, supports the contact end face roll connection of throw-out collar and steel pipe and has the solid ball of support of evenly arranging, is connected after two adjacent sliding pull rods run through the spacing groove on two adjacent mould seats.
Preferably, the pushing ring is provided with an arc-shaped cover located above the steel pipe, and the end face of the arc-shaped cover close to the side wall of the steel pipe and the end face of the arc-shaped pushing plate close to the side wall of the steel pipe are both rotatably connected with uniformly-distributed antifriction rollers.
Preferably, a plurality of guide ways of evenly arranging are seted up on the arc concave surface of sizing seat, and the guide way is arranged with the sizing roller is crisscross, supports the lateral wall that pushes away the ring and install the deflector with guide way sliding connection.
The invention has the beneficial effects that: 1. when the seamless steel tube is straightened and formed, the inner support shaping mechanism is matched with the plurality of shaping rollers to straighten the seamless steel tube and shape and straighten the uneven parts on the side wall of the steel tube, so that the forming and straightening effects of the steel tube are improved, and the problem that the later use of the seamless steel tube is influenced by the uneven parts on the side wall of the steel tube due to collision between the steel tube and other structures in the machining process is solved.
2. When the steel pipe straightening machine works, after a steel pipe is completely sleeved on the rotating shaft, the pushing mechanism and the blanking mechanism are matched to drive the steel pipe to axially reciprocate along the rotating shaft, and the shaping wheel continues to rotate in the process, so that the shaping wheel can reciprocally shape and straighten the steel pipe, and the straightening effect of the steel pipe is improved.
3. The stabilizer bar penetrates through the through groove and then is inserted into the slot, so that the stabilizer bar is connected with the rotating shaft, two ends of the rotating shaft are supported, and the rotating shaft is prevented from deflecting under the action of rotating centrifugal force due to the fact that one end of the rotating shaft is suspended in the air in the rotating process, and the straightening of the steel pipe is affected.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is an enlarged view of the invention at a in fig. 1.
Fig. 3 is a second perspective view of the present invention.
Fig. 4 is an enlarged view of the invention at B in fig. 3.
Fig. 5 is a top view of the present invention.
Fig. 6 is a cross-sectional view taken along line C-C of fig. 5 in accordance with the present invention.
Fig. 7 is a cross-sectional view taken along line D-D of fig. 5 in accordance with the present invention.
Fig. 8 is an enlarged view of the invention at E in fig. 7.
Fig. 9 is an enlarged view of the invention at F in fig. 7.
In the figure: 1. a mold base; 2. a mold base; 3. a shaping seat; 4. a shaping roller; 6. an ear plate; 7. an inner support reshaping mechanism; 70. a rotating shaft; 71. a shaping wheel; 8. a blanking mechanism; 80. a support plate; 82. pushing the ring; 820. an arc-shaped cover; 821. reducing the grinding roller; 822. a guide plate; 9. a pushing mechanism; 90. a moving groove; 91. connecting grooves; 92. connecting the sliding block; 93. an L-shaped plate; 930. a step seat; 931. a stabilizer bar; 932. driving the disc; 933. pulling the frame; 934. a locking plate; 935. buckling the plate; 94. an arc-shaped push plate; 96. a bearing seat; 960. conveying the balls; 97. carrying out group; 970. a telescoping spring rod; 971. a bearing plate; 972. a rotating roller; 973. antifriction balls; 10. and (5) steel pipes.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1, 2, 3 and 5, a seamless steel tube forming die comprises a die base 1, a shaping seat 3, a plurality of shaping rollers 4, a plurality of ear plates 6, an internal support shaping mechanism 7 and a pushing mechanism 9, wherein the die base 2 which is uniformly distributed along the width direction of the die base 1 is installed at the top of the die base 1, the die base 2 is of a rectangular structure, and an arc-shaped mounting groove is formed in the top of the die base 2.
The shaping seat 3 is arranged in the arc-shaped mounting groove and is of an arc-shaped structure.
A plurality of setting rollers 4 rotate and are arranged on the setting seat 3, and are evenly distributed along the arc-shaped concave surface of the setting seat 3.
A plurality of otic placodes 6 are evenly arranged along 1 width direction of mould base, and otic placode 6 and 2 one-to-one of mould seat.
The inner supporting and shaping mechanism 7 is arranged on the ear plate 6, is positioned above the shaping seat 3 and is used for being inserted into the steel pipe 10 to shape the inner wall of the steel pipe 10.
The inner support shaping mechanism 7 is matched with the shaping roller 4 inside and outside to shape and straighten the inner wall and the outer wall of the steel pipe 10.
The pushing mechanism 9 is arranged on the mold base 1 and is positioned on one side of the mold base 2 far away from the ear plate 6.
The blanking mechanism 8 is arranged at the top of the die holder 2 and used for driving the steel tube 10 to move so as to take down the steel tube 10.
Referring to fig. 6 and 7, the inner supporting shaping mechanism 7 includes a rotating shaft 70 rotatably connected to the ear plate 6, the center of the rotating shaft 70 is aligned with the center of the arc concave surface of the shaping seat 3, shaping wheels 71 evenly distributed along the axial direction of the rotating shaft 70 are sleeved on the rotating shaft 70, except for the shaping wheel 71 close to the ear plate 6, the other shaping wheels 71 are cylindrical in the middle and conical in the two sides, one side of the shaping wheel 71 close to the ear plate 6, which is far away from the ear plate 6, is of a conical structure, and one side of the shaping wheel 71 close to the ear plate 6 is of a circular structure.
The rotating shafts 70 penetrate through the ear plates 6 and are connected in a chain transmission manner through chain wheels, one of the rotating shafts 70 is connected with an external driving motor for driving the rotating shaft 70 to rotate, and the rotating shaft 70 drives the shaping wheel 71 to rotate in the rotating process.
The steel pipe 10 is placed on the pushing mechanism 9, the steel pipe 10 is pushed to move towards the shaping seat 3 through the pushing mechanism 9, the rotating shaft 70 drives the shaping wheel 71 to be gradually inserted into the steel pipe 10 in the moving process of the steel pipe 10, the shaping wheel 71 is driven to rotate through an external driving motor, the conical surface of the shaping wheel 71 can extrude the bulge of the inner wall of the steel pipe 10 when contacting with the bulge of the inner wall of the steel pipe 10, so that the inner wall of the steel pipe 10 is shaped, meanwhile, the shaping wheel 71 drives the steel pipe 10 to synchronously rotate through friction force between the shaping wheel 71 and the steel pipe 10, when the steel pipe 10 rotates, the outer side wall of the steel pipe can be shaped in the process of contacting with the shaping roller 4, so that the outer convex part and the inner concave part of the side wall of the steel pipe 10 are shaped, the problem that the side wall of the steel pipe 10 is uneven due to collision between the steel pipe 10 and other structures in the processing process is avoided, namely, the steel pipe 10 can realize the synchronization of the inner and outer shaping wall of the steel pipe 10 through the matching of the shaping wheel 71 and the shaping roller 4 in the process of the steel pipe 10.
After the steel pipe 10 is completely sleeved on the rotating shaft 70, the pushing mechanism 9 and the blanking mechanism 8 are matched to drive the steel pipe 10 to axially reciprocate along the rotating shaft 70, and the shaping wheel 71 continues to rotate in the reciprocating process of the steel pipe 10, so that the shaping wheel 71 can reciprocate to shape and straighten the steel pipe 10, and the straightening effect of the steel pipe 10 is improved.
Referring to fig. 1, 3, 5, 6, 7 and 8, the pushing mechanism 9 includes moving grooves 90 uniformly arranged along the width direction of the mold base 1, the moving grooves 90 are located under the mold base 2 and penetrate through one side of the mold base 1 far away from the lug plate 6, a connecting groove 91 communicated with the moving grooves 90 is formed in the mold base 1, a connecting slider 92 is connected in the connecting groove 91 in a sliding manner, an L-shaped plate 93 uniformly arranged along the length direction and sliding in the moving groove 90 is connected to the connecting slider 92, a horizontal section of the L-shaped plate 93 is connected to the connecting slider 92, an arc-shaped push plate 94 with a vertical section being inverted L-shaped is mounted on the end surface of the L-shaped plate 93 close to the mold base 2 through an arc-shaped frame, abutting balls uniformly arranged on the end surface of the arc-shaped push plate 94 and in a rolling manner, a receiving seat 96 uniformly arranged along the width direction is mounted on the mold base 1, the receiving seat 96 is connected to the end surface of the mold base 2 far away from the lug plate 6, an end surface of the L-shaped push plate 94 is close to the mold base 2, and a receiving seat 97 is mounted on the end surface of the receiving seat 97, and the receiving seat 97 is mounted on the receiving seat 10 to cooperate with the receiving seat to receive the receiving plate 10.
Referring to fig. 8, the receiving set 97 includes a plurality of telescopic spring rods 970 that are connected with the vertical section of the L-shaped plate 93 and evenly arranged along the circumference of the rotating shaft 70, the end surfaces of the plurality of telescopic spring rods 970, which are close to the mold base 2, are jointly connected with a receiving disc 971, the side wall of the receiving disc 971 is rotatably connected with a rotating roller 972 evenly arranged along the circumference thereof, the end surface of the receiving disc 971, which is close to the rotating shaft 70, is provided with a pushing groove having a tapered structure, and the inner side wall of the pushing groove is connected with antifriction balls 973 evenly arranged in a rolling manner.
Referring to fig. 8, the concave surface of the socket 96 is connected with conveying balls 960 which are uniformly arranged, and the conveying balls 960 are used for reducing the friction force between the steel pipe 10 and the socket 96 during the moving process.
Placing a steel pipe 10 on a bearing seat 96, wherein one end of the steel pipe 10, which is far away from a die seat 2, abuts against a vertical section of an arc push plate 94, a bearing disc 971 is inserted into the steel pipe 10 to bear the end of the steel pipe 10, then an electric slider is driven by the outside connected with a connecting slider 92 to drive the connecting slider 92 to move with an L-shaped plate 93, the L-shaped plate 93 pushes the steel pipe 10 to move towards a sizing seat 3 through the arc push plate 94, so that the steel pipe 10 is sleeved on a rotating shaft 70 and a shaping wheel 71, after the rotating shaft 70 is inserted into a pushing groove, a tapered end face of the shaping wheel 71, which is close to the bearing disc 971, abuts against antifriction balls 973 on a side wall of the pushing groove, the L-shaped plate 93 continues to move, the rotating shaft 70 and the shaping wheel 71 rotate and simultaneously push the bearing disc 971, a telescopic spring rod is squeezed by the bearing disc 971 to prevent the bearing disc 971 from blocking the contact between the shaping wheel 71 and the inner wall of the steel pipe 10, so that the shaping wheel 71 fully contacts with the inner wall of the steel pipe 10 and shapes the steel pipe 10, and friction 970 can be reduced during the rotation of the antifriction balls 973.
Referring to fig. 3, 4, 7 and 8, a cross-shaped slot is formed in one end of the rotating shaft 70 far from the ear plate 6, a step seat 930 concentric with the rotating shaft 70 is rotatably connected to a vertical section of the L-shaped plate 93, a storage hole is formed in an end face of the step seat 930 far from the die seat 2, a sliding groove which is communicated with the storage hole and has a cross-shaped structure is formed in an end face of the step seat 930 close to the die seat 2, the sliding groove and the slot correspond to each other one by one, a stabilizer bar 931 inserted into the slot and having a cross-shaped structure is slidably connected in the sliding groove, a through groove slidably connected with the stabilizer bar 931 is formed in the receiving disc 971, a driving disc 932 is mounted at one end of the stabilizer bar 931 far from the rotating shaft 70, the driving disc 932 is located in the storage hole, end faces of the driving discs 932 far from the L-shaped plate 93 are commonly connected with a pulling frame 933, the pulling frame 933 is rotatably connected with the driving disc 932, a locking plate 934 is mounted on the pulling frame 933, a vertical section of one L-shaped plate 93 is connected with a buckling plate 935 which slides up and down to be in a 7474structure, and the locking plate 934 is sleeved on the locking plate 935.
When the arc push plate 94 and the steel pipe 10 abut against the shaping wheel 71 on the rotating shaft 70, the pull frame 933 drives the stabilizer bar 931 to slide towards the slot, the stabilizer bar 931 penetrates through the slot and then is inserted into the slot, connection between the stabilizer bar 931 and the rotating shaft 70 is achieved, two ends of the rotating shaft 70 are supported, the rotating shaft 70 is prevented from being suspended at one end in the rotating process, the rotating shaft 70 is enabled to deflect under the action of rotating centrifugal force, straightening of the steel pipe 10 is affected, then the pull frame 933 is limited by the downward sliding sleeve of the buckle 935 on the lock plate 934, and the steel pipe 10 can be smoothly inserted into the slot of the stabilizer bar 931 in the moving process and cannot move back.
Referring to fig. 1, fig. 2, fig. 6, fig. 7, fig. 8 and fig. 9, the blanking mechanism 8 includes that the backup pad 80 along its width direction symmetrical arrangement is installed at 2 tops of mould seat, and the spacing groove has all been seted up to the opposite face of backup pad 80, installs through the sliding pull rod between the spacing groove and supports the ejector ring 82, supports the contact end face roll connection of ejector ring 82 and steel pipe 10 and has the solid ball of support of evenly arranging, and two adjacent sliding pull rods are connected after running through the spacing groove on two adjacent mould seats 2.
After the end of the steel pipe 10 sleeved on the rotating shaft 70 abuts against the abutting ring 82, the rotating shaft 70 continues to drive the steel pipe 10 to rotate through the shaping wheel 71, and at this time, the external sliding electric slider connected with the sliding rod drives the abutting ring 82 to push the steel pipe 10, and simultaneously, the external driving electric slider connected with the connecting slider 92 drives the connecting slider 92 and the L-shaped plate 93 to reciprocate in the same direction as the abutting ring 82, so that the steel pipe 10 reciprocates on the rotating shaft 70, and the shaping wheel 71 on the rotating shaft 70 performs reciprocating shaping and straightening on the steel pipe 10.
When the steel pipe 10 needs to be removed after being shaped and straightened, the L-shaped plate 93 drives the stabilizer bar 931 to move in a direction away from the ear plate 6, meanwhile, the pushing ring 82 pushes the steel pipe 10 to be separated from the rotating shaft 70, then the stabilizer bar 931 is pulled out of the steel pipe 10, and finally the steel pipe 10 after being shaped and straightened is removed.
Referring to fig. 2, 6, 7 and 8, an arc cover 820 located above the steel pipe 10 is installed on the pushing ring 82, the end surface of the arc cover 820 close to the side wall of the steel pipe 10 and the end surface of the arc push plate 94 close to the side wall of the steel pipe 10 are both rotatably connected with antifriction rollers 821 which are uniformly arranged, and the antifriction rollers 821 are used for reducing friction between the arc push plate 94 and the arc cover 820 and the side wall of the steel pipe 10.
Referring to fig. 2 and 6, a plurality of guide grooves are uniformly arranged on the arc concave surface of the shaping base 3, the guide grooves and the shaping roller 4 are arranged in a staggered manner, a guide plate 822 slidably connected with the guide grooves is installed on the side wall of the pushing ring 82, and the guide plate 822 slides in the guide grooves in the moving process of the pushing ring 82, so that the supporting and fixing force of the pushing ring 82 is increased.
During specific work, a steel pipe 10 is placed on the pushing mechanism 9, the steel pipe 10 is pushed to move towards the sizing seat 3 through the pushing mechanism 9, the rotating shaft 70 of the steel pipe 10 drives the shaping wheel 71 to be gradually inserted into the steel pipe 10 in the moving process, the shaping wheel 71 is driven to rotate through an external driving motor, the conical surface of the shaping wheel 71 can extrude the convex part of the inner wall of the steel pipe 10 when being contacted with the convex part of the inner wall of the steel pipe 10, so that the inner wall of the steel pipe 10 is shaped, meanwhile, the shaping wheel 71 drives the steel pipe 10 to synchronously rotate through friction force between the shaping wheel 71 and the steel pipe 10, the outer side wall of the steel pipe 10 can be shaped when being contacted with the sizing roller 4 in the rotating process, therefore, the outer convex part and the inner concave part of the side wall of the steel pipe 10 are shaped, and meanwhile, in the rotating process of the steel pipe 10 under the driving of the shaping wheel 71, the inner wall and the outer wall of the steel pipe 10 are synchronously straightened through the matching of the shaping wheel 71 and the sizing roller 4.
After the steel pipe 10 is completely sleeved on the rotating shaft 70, the pushing mechanism 9 and the blanking mechanism 8 are matched to drive the steel pipe 10 to axially reciprocate along the rotating shaft 70, and the shaping wheel 71 continues to rotate in the reciprocating process of the steel pipe 10, so that the shaping wheel 71 can reciprocate to shape and straighten the steel pipe 10, and the straightening effect of the steel pipe 10 is improved.
When the steel pipe 10 needs to be removed after being shaped and straightened, the L-shaped plate 93 drives the stabilizer bar 931 to move in a direction away from the ear plate 6, meanwhile, the pushing ring 82 pushes the steel pipe 10 to be separated from the rotating shaft 70, then the stabilizer bar 931 is pulled out of the steel pipe 10, and finally the steel pipe 10 after being shaped and straightened is removed.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a seamless steel pipe forming die which characterized in that includes:
the die comprises a die base (1), wherein die seats (2) which are uniformly distributed along the width direction of the die base (1) are arranged at the top of the die base (1), the die seats (2) are of a rectangular structure, and arc-shaped mounting grooves are formed in the top of the die seats (2);
the shaping seat (3) is arranged in the arc-shaped mounting groove and is of an arc-shaped structure;
the shaping rollers (4) are rotatably arranged on the shaping seat (3) and are uniformly distributed along the arc-shaped concave surface of the shaping seat (3);
the plurality of ear plates (6) are uniformly distributed along the width direction of the die base (1), and the ear plates (6) correspond to the die bases (2) one by one;
the inner support reshaping mechanism (7) is arranged on the ear plate (6), is positioned above the shaping seat (3), and is used for being inserted into the steel pipe (10) to reshape the inner wall of the steel pipe (10);
the inner support shaping mechanism (7) is matched with the shaping roller (4) inside and outside to shape and straighten the inner wall and the outer wall of the steel pipe (10);
the pushing mechanism (9) is arranged on the mold base (1) and is positioned on one side of the mold base (2) far away from the lug plate (6);
the blanking mechanism (8) is arranged at the top of the die seat (2) and is used for driving the steel pipe (10) to move;
wherein, prop plastic mechanism (7) including rotating rotation axis (70) of connection on otic placode (6), the centre of a circle of rotation axis (70) aligns with the arc concave surface centre of a circle of stereotyping seat (3), the cover is equipped with along the plastic wheel (71) that its axial was evenly arranged on rotation axis (70), except that plastic wheel (71) that is close to otic placode (6), remaining plastic wheel (71) all are the middle part for cylindrical, both sides are conical shape, and the one side of otic placode (6) is kept away from in plastic wheel (71) that is close to otic placode (6) is the toper structure, the one side that is close to otic placode (6) is circular structure.
2. The seamless steel tube forming die according to claim 1, wherein: the pushing mechanism (9) comprises moving grooves (90) which are uniformly distributed along the width direction of the die base (1), the moving grooves (90) are positioned right below the die base (2), and run through one side that otic placode (6) was kept away from in mould base (1), set up spread groove (91) that is linked together with a plurality of shifting chutes (90) on mould base (1), sliding connection has link block (92) in spread groove (91), be connected with on link block (92) evenly arrange and in shifting chute (90) gliding L template (93) along its length direction, the horizontal segment of L template (93) is connected with link block (92), the vertical section of L template (93) is close to the terminal surface of mould seat (2) and installs arc push pedal (94) that vertical section is the type of falling L through the arc frame, the terminal surface roll connection that arc push pedal (94) and steel pipe (10) tip contact has the solid ball of supporting of evenly arranging, install on mould base (1) and evenly arrange along its width direction and accept seat (96), accept seat (96) and mould seat (2) the terminal surface of keeping away from otic placode (6) and be connected, the vertical section of L template (93) is close to the terminal surface of mould seat (2) and installs group (97), accept group (97) and accept the cooperation of steel pipe (10) when accepting the group (10) and place.
3. The seamless steel tube forming die according to claim 2, wherein: it includes a plurality of extension spring pole (970) that are connected with L template (93) vertical section and evenly arrange along rotation axis (70) circumference to accept group (97), the terminal surface that a plurality of extension spring pole (970) are close to mould seat (2) is connected with jointly and accepts dish (971), the lateral wall rotation of accepting dish (971) is connected with along its circumference rotatory roller (972) of evenly arranging, it has the groove of pushing away for the butt of toper structure to accept the end face of dish (971) near rotation axis (70) to offer, the inside wall roll connection that pushes away the groove has antifriction ball (973) of evenly arranging.
4. The seamless steel tube forming die according to claim 2, wherein: the conveying balls (960) which are uniformly distributed are connected in the concave surface of the bearing seat (96) in a rolling mode, and the conveying balls (960) are used for reducing the friction force between the steel pipe (10) and the bearing seat (96) in the moving process.
5. The seamless steel tube forming die according to claim 3, wherein: the cross-shaped slot is formed in one end, far away from the lug plate (6), of the rotating shaft (70), a cross-shaped slot is formed in the vertical section of the L-shaped plate (93), a stepped seat (930) concentric with the rotating shaft (70) is connected in a rotating mode, a storage hole is formed in the end face, far away from the die seat (2), of the stepped seat (930), a sliding groove which is communicated with the storage hole and is of a cross-shaped structure is formed in the end face, close to the die seat (2), of the stepped seat (930), the sliding groove corresponds to the slot in a one-to-one mode, a stabilizer bar (931) which is inserted into the slot and is of the cross-shaped structure is connected in the sliding groove in a sliding mode, a through groove which is connected with the stabilizer bar (931) in a sliding mode is formed in a bearing disc (971), a driving disc (932) is installed at one end, far away from the rotating shaft (70), the driving disc (932) is located in the storage hole, the end faces, far away from the L-shaped plate (93), of the plurality of the driving discs (932) are connected with a pulling frame (933) in a rotating mode, the pulling frame (933) is connected with a pulling frame (932) in a rotating mode, a locking plate (935), and a locking plate (933) is connected with a vertical section which is connected with a locking plate (935) in a sliding mode plate (935) in a locking plate (933) in a sliding mode.
6. The seamless steel tube forming die according to claim 1, wherein: unloading mechanism (8) are installed along backup pad (80) of its width direction symmetrical arrangement including mould seat (2) top, and the spacing groove has all been seted up to the opposite face of backup pad (80), installs through smooth pull rod between the spacing groove and supports push ring (82), supports push ring (82) and the contact end face roll connection of steel pipe (10) have the solid ball of supporting of evenly arranging, is connected after two adjacent smooth pull rods run through the spacing groove on two adjacent mould seats (2).
7. The seamless steel tube forming die according to claim 6, wherein: an arc-shaped cover (820) positioned above the steel pipe (10) is installed on the pushing ring (82), and the end face of the arc-shaped cover (820) close to the side wall of the steel pipe (10) and the end face of the arc-shaped push plate (94) close to the side wall of the steel pipe (10) are both rotatably connected with antifriction rollers (821) which are uniformly distributed.
8. The seamless steel tube forming die according to claim 6, wherein: a plurality of guide grooves which are evenly distributed are formed in the arc-shaped concave surface of the shaping seat (3), the guide grooves and the shaping roller (4) are distributed in a staggered mode, and a guide plate (822) which is connected with the guide grooves in a sliding mode is installed on the side wall of the abutting push ring (82).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211456090.6A CN115921586B (en) | 2022-11-21 | 2022-11-21 | Seamless steel tube forming die |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211456090.6A CN115921586B (en) | 2022-11-21 | 2022-11-21 | Seamless steel tube forming die |
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| CN115921586B CN115921586B (en) | 2023-09-08 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5428764A (en) * | 1977-08-09 | 1979-03-03 | Puranto Enjiniaringu Yoshidaki | Pressureeforging apparatus for internal surface bead in welded pipe |
| JPS58103915A (en) * | 1981-12-16 | 1983-06-21 | Hitachi Ltd | Correcting device for out-of-roundness of pipe end |
| CN200988062Y (en) * | 2006-09-26 | 2007-12-12 | 南京金长江交通设施有限公司 | Steel pipe straightener |
| JP2014018828A (en) * | 2012-07-18 | 2014-02-03 | Nippon Steel & Sumikin Engineering Co Ltd | Device for correcting pipe material |
| CN105057405A (en) * | 2015-05-11 | 2015-11-18 | 基迈克材料科技（苏州）有限公司 | Sputtering rotary target material cylinder target straightness testing and aligning method |
-
2022
- 2022-11-21 CN CN202211456090.6A patent/CN115921586B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5428764A (en) * | 1977-08-09 | 1979-03-03 | Puranto Enjiniaringu Yoshidaki | Pressureeforging apparatus for internal surface bead in welded pipe |
| JPS58103915A (en) * | 1981-12-16 | 1983-06-21 | Hitachi Ltd | Correcting device for out-of-roundness of pipe end |
| CN200988062Y (en) * | 2006-09-26 | 2007-12-12 | 南京金长江交通设施有限公司 | Steel pipe straightener |
| JP2014018828A (en) * | 2012-07-18 | 2014-02-03 | Nippon Steel & Sumikin Engineering Co Ltd | Device for correcting pipe material |
| CN105057405A (en) * | 2015-05-11 | 2015-11-18 | 基迈克材料科技（苏州）有限公司 | Sputtering rotary target material cylinder target straightness testing and aligning method |
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| Publication number | Publication date |
|---|---|
| CN115921586B (en) | 2023-09-08 |
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