CN113976793A - Hot extrusion molding equipment for square-head bolt - Google Patents

Hot extrusion molding equipment for square-head bolt Download PDF

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Publication number
CN113976793A
CN113976793A CN202111146087.XA CN202111146087A CN113976793A CN 113976793 A CN113976793 A CN 113976793A CN 202111146087 A CN202111146087 A CN 202111146087A CN 113976793 A CN113976793 A CN 113976793A
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CN
China
Prior art keywords
square head
head bolt
movable
sliding
punching
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Granted
Application number
CN202111146087.XA
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Chinese (zh)
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CN113976793B (en
Inventor
陈伟
陈爽伟
洪林常
赵峰
叶卓伦
黄常堂
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Zhejiang Keteng Precision Machinery Co ltd
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Zhejiang Keteng Precision Machinery Co ltd
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Priority to CN202111146087.XA priority Critical patent/CN113976793B/en
Publication of CN113976793A publication Critical patent/CN113976793A/en
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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
    • 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
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/08Accessories for handling work or tools
    • B21J13/14Ejecting devices
    • 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
    • B21K1/00Making machine elements
    • B21K1/44Making machine elements bolts, studs, or the like
    • B21K1/46Making machine elements bolts, studs, or the like with heads

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The invention relates to the field of punch forming of square head bolts, in particular to hot extrusion forming equipment for the square head bolts, which comprises a punching table, a punching machine and a punching die, wherein the punching die comprises a fixed module and two movable modules, the two movable modules are symmetrically arranged at the top of the fixed module, the symmetrical surfaces of the two movable modules are the middle cross sections of the fixed module, the two movable modules can also relatively slide on the fixed module, the fixed module is also provided with a driving device for driving the two movable modules to relatively slide, the punching table is also provided with a supporting table for supporting the square head bolts, and the supporting table is also provided with a lifting device for lifting the square head bolts, through the matching between the fixed die and the movable die, the degree that the square head bolts can be attached to the edge of the movable die after being subjected to punch forming is realized, the forming quality of the square head bolt is improved, and the square head bolt is prevented from influencing assembly when in use.

Description

Hot extrusion molding equipment for square-head bolt
Technical Field
The invention relates to the field of square-head bolt punch forming, in particular to hot extrusion forming equipment for a square-head bolt.
Background
In the existing market, the head forming process of the square-head bolt mostly adopts the steps of firstly upsetting a round head and then cutting off redundant materials, however, the forming process has the following defects: the material loss is big, because need cut off the material beyond the square head, consequently the blank before the blank cut material needs a lot of sufficient materials just can cut off, leads to the cost very high, and head supporting surface burr is big, because be the cutting pin technology, causes the burr of head supporting surface great, influences the assembly, and the four sides tangent plane is not smooth, and the roughness is big, and die-cut can produce the area of tearing, influences the appearance quality.
At present, for the processing and forming process of the square head bolt, because the end part of the square head bolt is in a square head shape, therefore, the end part of the square head bolt needs to be attached to the edge of the stamping die after being stamped, otherwise the quality of the square head bolt is poor, and the device is affected, however, in order to achieve the degree, the situation that the square head bolt cannot be attached to the stamping die after being stamped can be avoided through stamping in two stages, when the square head bolt is initially punched, a rod-shaped rod piece needs to be placed in a punching die, the burned end part of the rod piece is punched into a square head, because stamping die's reason, the square head bottom surface of member is by punching out a protrusion part, then, to the secondary punching press of member again, with protruding partly flattening, the size of the square head of member also grow thereupon, can completely laminate in stamping die's limit portion, the processing of final completion square head bolt.
Currently, there is a need for a forming apparatus that can enable the square head of a square head bolt to be attached to the edge of a stamping die during stamping of the square head bolt.
Disclosure of Invention
Based on this, it is necessary to provide a square head bolt hot extrusion moulding equipment to prior art problem, and this application has realized through the cooperation between fixed mould and the movable mould that the square head bolt can reach the degree of laminating with the movable mould edge after by stamping forming, has improved the shaping quality of square head bolt, influences the assembly when avoiding the square head bolt to use.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
the invention provides a hot extrusion molding device for square-head bolts, which comprises a stamping table, a stamping machine arranged above the stamping head and a stamping die arranged at the top of the stamping table, wherein the stamping die comprises a fixed module and two movable modules, the fixed module is fixedly arranged at the top of the stamping table, the two movable modules are symmetrically arranged at the top of the fixed module, the symmetrical surfaces of the two movable modules are the middle cross sections of the fixed module, the two movable modules can also slide relatively on the fixed module, the fixed module is also provided with a driving device for driving the two movable modules to slide relatively, a supporting table for supporting the square-head bolts is also arranged on the stamping table and below the fixed module, and a lifting device for lifting the square-head bolts is also arranged on the supporting table.
Preferably, the fixed module is square and blocky, a first square punching hole is formed in the center of the top of the fixed module, a first round through hole is formed in the center of the first punching hole in the fixed module in a downward penetrating mode, the diameter of the first through hole is equal to the diameter of the rod portion of the square-head bolt, the first punching hole and the first through hole are communicated with each other, and slopes are arranged at four corners of the communication position of the first punching hole and the first through hole.
Preferably, the movable module is rectangular block-shaped, the edge center of the movable module is provided with a rectangular opening, the edge center of the movable module is further communicated with a semicircular opening communicated with the rectangular opening, after the two movable modules are butted, the two rectangular openings form a square second stamping opening, the two semicircular openings form a circular second opening, the size of the second stamping opening is larger than that of the first stamping opening, and the diameter of the second opening is equal to that of the first opening.
Preferably, the driving device comprises a sliding part and a driving part, the sliding part and the driving part are both fixedly arranged on the fixed modules, sliding strips capable of sliding on the sliding part are further arranged on two sides of each movable module, and contact switches are further arranged on opposite surfaces of the two movable modules.
Preferably, the slider includes two sideboard, and two sideboard symmetries set up the both sides at fixed module, and the length direction of two sideboard is on a parallel with the length direction of draw runner on the movable module, and the spout has still all been seted up along the length direction of corresponding sideboard on every sideboard, and every draw runner homoenergetic slides in corresponding spout to the both sides of fixed module perpendicular to sideboard still all fixed be equipped with a baffle, and movable module's home range is located between two baffles.
Preferably, the driving part comprises a bidirectional screw rod sliding table which is fixedly arranged on the fixed module, the bidirectional screw rod sliding table is provided with a sliding block in a sliding manner in a bidirectional screw thread section, the sliding direction of the sliding block is parallel to the length direction of the side plate, and each sliding block is fixedly connected with the corresponding movable module through a connecting plate.
Preferably, the lifting device is including a lift platform, this lift platform is the top that the horizontality set up at a supporting bench, lift platform can also be at a supporting bench vertical movement, still be equipped with a jacking cylinder that is used for driving lift platform vertical movement on a supporting bench, lift platform's center has been link up a jacking mouth, and still be equipped with one on the output of jacking cylinder and support lift platform or can pass the jacking piece of jacking mouth, lift platform's top still is equipped with a clamping mechanism who is used for pressing from both sides tight square head bolt pole portion.
Preferably, the jacking piece is top cylinder and the massive structure in bottom, the cylinder portion diameter of jacking piece equals the diameter of jacking mouth, the cavity has all been seted up to the massive portion both sides of jacking piece, it is equipped with an iron plate all to slide in every cavity, still all be connected with a spring between the internal surface of every iron plate and cavity, the part that the spring was avoided to the internal surface of every cavity still all is equipped with a magnet, still be equipped with the blow vent with every cavity intercommunication in the massive portion of jacking piece, a draw-in groove has still all been seted up along the slip direction of iron plate to the upper surface of every cavity, and the top of every iron plate still all upwards extends has a gliding projection in corresponding draw-in groove.
Preferably, clamping mechanism includes two splint, and two splint symmetries set up at lift platform's top, and every splint have all been seted up towards the one side of square head bolt and have been pressed from both sides the mouth, and every splint still homoenergetic is perpendicular to the direction horizontal migration of jacking piece on lift platform to lift platform is last still to be equipped with the biax double-pole cylinder that is used for driving every splint horizontal migration.
Preferably, a supporting plate is arranged on the supporting platform and below the lifting platform, a blocking column extends from the top of the punching platform towards the lifting platform, and a square punching head with the size equal to that of the second punching opening is arranged at the output end of the punching machine.
Compared with the prior art, the invention has the beneficial effects that:
1. this application is through the cooperation between fixed mould and the movable mould, has realized that the square head bolt can reach the degree of laminating with the movable mould edge after by stamping forming, has improved the shaping quality of square head bolt, influences the assembly when avoiding the square head bolt to use.
2. This application is through the constitution on first punching press mouth and slope, has realized the punching press of the first stage of square head bolt, for square head bolt second stage punching press is prepared, guarantees the edge that the stamping forming of square head bolt can laminate movable mould piece.
3. This application has realized the square head of square head bolt through the second punching press mouth that two movable module become by stamping forming for the square head of square head bolt can laminate with second punching press mouth, has guaranteed the processingquality of square head bolt.
4. This application has realized the removal of two movable mould pieces through the cooperation of driving piece and slider, through the contact switch on the movable mould piece for two movable mould pieces also can be accurately in the second punching press mouth at the square head of butt joint rear head bolt, avoid the square head of square head bolt can't be in the intraoral condition of second punching press.
5. This application has realized the two-way removal of two movable mould pieces through the effect of two-way lead screw slip tables, has also formed second punching press mouth and second through-hole for the square head of square head bolt can carry out the secondary punching press.
6 this application has realized through the jacking motion of hoisting device square head bolt that square head bolt can be accurate in the second punching press mouth at the in-process square head that moves up, has also made things convenient for taking out of square head bolt of operating personnel.
7. This application can enough realize jacking lift platform through the structure of jacking piece, can realize the jack-up with square head bolt alone again for square head of square head bolt can be accurate be in the second punching press mouth, also makes operating personnel can conveniently take out square head bolt.
8. This application has realized the location to the stud through the cooperation between two splint and the corresponding biax double-rod cylinder.
Drawings
FIG. 1 is a schematic perspective view of the embodiment;
FIG. 2 is a front view of the embodiment;
FIG. 3 is a partial perspective view of the embodiment;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a schematic perspective view of a first stage of a lag bolt being stamped in a stamping die;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a cross-sectional view taken at A-A of FIG. 6;
FIG. 8 is a perspective view of a second stage of the lag bolt being stamped in a stamping die;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a cross-sectional view taken at B-B of FIG. 9;
FIG. 11 is a schematic perspective view of a lifting device;
FIG. 12 is a top view of the lifting device;
FIG. 13 is a perspective view of the lift;
FIG. 14 is a left side view of the lift;
fig. 15 is a sectional view at C-C of fig. 14.
The reference numbers in the figures are:
1-a stamping station; 1 a-a support table; 1a 1-support plate; 1a 2-stop;
2-a punch; 2 a-a punch;
3-stamping a die; 3 a-a fixed module; 3a1 — first punch; 3a2 — first port; 3a 3-ramp; 3 b-an activity module; 3b1 — second punch; 3b 2-second port; 3b 3-slide bar; 3b 4-contact switch;
4-a drive device; 4 a-a slide; 4a 1-sideboard; 4a 2-baffle; 4 b-a drive member; 4b 1-bidirectional screw rod sliding table; 4b2 — slide; 4b 3-web;
5-a lifting device; 5 a-a lifting platform; 5 b-a jacking cylinder; 5 c-a jacking piece; 5c 1-iron nuggets; 5c 11-convex column; 5c 12-spring; 5c 2-vent; 5c 3-magnet; 5c 4-card slot; 5 d-a clamping mechanism; 5d 1-Splint; 5d 2-double-shaft double-rod cylinder;
6-square head bolt; 6 a-preform section.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1-10:
a hot extrusion molding device for square head bolts comprises a stamping platform 1, a stamping machine 2 arranged above a stamping head 2a and a stamping die 3 arranged at the top of the stamping platform 1, wherein the stamping die 3 comprises a fixed module 3a and two movable modules 3b, the fixed module 3a is fixedly arranged at the top of the stamping platform 1, the two movable modules 3b are symmetrically arranged at the top of the fixed module 3a, the symmetrical surfaces of the two movable modules 3b are the middle cross sections of the fixed module 3a, the two movable modules 3b can also relatively slide on the fixed module 3a, the fixed module 3a is also provided with a driving device 4 for driving the two movable modules 3b to relatively slide, the stamping platform 1 and the lower part of the fixed module 3a are also provided with a supporting platform 1a for supporting the square head bolts 6, and a lifting device 5 for lifting the square head bolt 6 is provided on the support base 1 a.
Based on the above embodiment, at present, when the square head bolt 6 is processed by stamping, because the square head of the square head bolt 6 cannot be attached to the edge of the stamping die 3 in the stamping process, the processing quality of the square head bolt 6 is poor, and the subsequent use is affected, therefore, in order to solve the technical problem of how the square head bolt 6 can be attached to the edge of the stamping die 3 in the stamping process, in the processing process of the square head bolt 6, firstly, an operator heats the end of a rod, after the end of the rod is heated, the operator inserts the rod into the rod along the stamping die 3, the unheated part of the rod is supported on the surface of the supporting table 1a, the heated part of the rod faces upwards, before the stamping of the stamping machine 2, the two movable modules 3b are in the separated condition, and a gap for the stamping machine 2 to stamp on the fixed module 3a is left between the two movable modules 3b, along with the punching of punching machine 2, the part that the member that is located on fixed module 3a is heated is along with the fixed mould by punching press into the taper structure, then, hoisting device 5 promotes the part that the member was punched between two movable module 3b, drive arrangement 4 closes two movable module 3b simultaneously, the member is cliied after two movable module 3b docks, punching machine 2 secondary punching press, the taper structure of member is finally punched into the square head, because when the member pyramis was dashed, the square head of member is outwards expanded thereupon too, the square head of member is also laminated in the edge of two movable mould under the effect of two movable mould thereupon, accomplish the processing of square head bolt 6, finally, hoisting device 5 jacks up square head bolt 6, operating personnel takes out it again.
Further, in order to solve the technical problem of how to press the square head bolt 6 into the square head with the tapered part on the fixed module 3a, as shown in fig. 7 and 10:
the fixed module 3a is square block-shaped, a square first punching hole 3a1 is formed in the center of the top of the fixed module 3a, a circular first through hole 3a2 penetrates downwards from the center of the first punching hole 3a1 on the fixed module 3a, the diameter of the first through hole 3a2 is equal to the diameter of the rod of the square-head bolt 6, the first punching hole 3a1 is communicated with the first through hole 3a2, and slopes 3a3 are arranged at four corners of the communication position of the first punching hole 3a1 and the first through hole 3a 2.
Based on the above embodiment, after the operator inserts the rod into the first through opening 3a2 of the fixed die block 3a, the end of the rod is supported on the support table 1a, the heated end of the rod is punched into the shape of the first punching opening 3a1 following the punching by the punch 2, and the square head of the rod has a tapered portion due to the arrangement of the slope 3a3 in the first punching opening 3a1, in preparation for the second stage of punching.
Further, in order to solve the technical problem of how to realize the movable module 3b that the square head bolt 6 is formed by punching, as shown in fig. 7 and 10:
the movable module 3b is rectangular block-shaped, a rectangular opening is formed in the center of the edge of the movable module 3b, a semi-circular opening communicated with the rectangular opening is further penetrated through the center of the edge of the movable module 3b, after the two movable modules 3b are butted, the two rectangular openings form a square second stamping opening 3b1, the two semi-circular openings form a circular second through opening 3b2, the size of the second stamping opening 3b1 is larger than that of the first stamping opening 3a1, and the diameter of the second through opening 3b2 is equal to that of the first through opening 3a 2.
Based on the above embodiment, when the first stage punching of the square head bolt 6 is completed, the tapered part of the square head bolt 6 is lifted to between the two movable modules 3b by the lifting device 5, the two movable modules 3b move inwards under the action of the driving device 4, after the two movable modules 3b are butted, the tapered part of the square head bolt 6 is supported in the second punching opening 3b1, the square head of the square head bolt 6 deforms again along with the secondary punching of the punching machine 2, the square head punched in the first stage of the square head bolt 6 continues to be compressed and expands outwards until the tapered part is flattened, the square head of the square head bolt 6 is also punched, the square head of the square head bolt 6 is also jointed with the second punching opening 3b1, since the second punch notch 3b1 is sized larger than the diameter of the first punch notch 3a1, the square head of the lag bolt 6 fits tightly into the second punch notch 3b1 as it expands outward.
Further, in order to solve the technical problem of how the driving device 4 drives the two movable modules 3b to slide on the fixed module 3a, as shown in fig. 5 and 8:
the driving device 4 comprises a sliding part 4a and a driving part 4b, the sliding part 4a and the driving part 4b are both fixedly arranged on the fixed module 3a, both sides of each movable module 3b are also provided with a sliding strip 3b3 capable of sliding on the sliding part 4a, and the opposite surfaces of the two movable modules 3b are also provided with a contact switch 3b 4.
Based on the above embodiment, when the two movable modules 3b move relatively, the driving element 4b drives the two movable modules 3b to slide on the sliding element 4a, and along with the sliding of the two movable modules 3b, after the two movable modules 3b are butted, the contact switch 3b4 is triggered, which prompts the lifting device 5 to move the lag bolt 6 downwards until the lag of the lag bolt 6 is located in the second stamping opening 3b 1.
As shown in fig. 8:
the sliding part 4a comprises two side plates 4a1, the two side plates 4a1 are symmetrically arranged on two sides of the fixed module 3a, the length direction of the two side plates 4a1 is parallel to the length direction of the sliding strip 3b3 on the movable module 3b, sliding grooves are further formed in each side plate 4a1 along the length direction of the corresponding side plate 4a1, each sliding strip 3b3 can slide in the corresponding sliding groove, two sides of the fixed module 3a, which are perpendicular to the side plates 4a1, of each side plate 4a2 are further fixedly provided, and the movable range of the movable module 3b is located between the two side plates 4a 2.
Based on the above embodiment, when the two movable modules 3b slide on the sliding member 4a, the movable module 3b slides in the sliding slot of the side plate 4a1 through the sliding strip 3b3 along with the driving of the driving member 4b, and the movable module 3b stops moving after touching the baffle 4a2, so as to avoid the movable module 3b falling out of the fixed module 3 a.
Further, in order to solve the technical problem of how the driving member 4b drives the two movable modules 3b to move relatively, as shown in fig. 8:
the driving part 4b comprises a bidirectional screw rod sliding table 4b1, the bidirectional screw rod sliding table 4b1 is fixedly arranged on the fixed module 3a, the bidirectional screw rod sliding table 4b1 is provided with a sliding block 4b2 in a sliding manner, the sliding direction of the sliding block 4b2 is parallel to the length direction of the side plate 4a1, and each sliding block 4b2 is fixedly connected with the corresponding movable module 3b through a connecting plate 4b 3.
Based on the above embodiment, the two-way screw sliding table 4b1 drives the two sliding blocks 4b2 to move in two ways, because each sliding block 4b2 is connected with the corresponding movable module 3b through a connecting plate 4b3, and therefore, the movable module 3b also moves along with the two movable modules 3b, when the square head bolt 6 needs to be punched in the second stage, the two movable modules 3b move relatively until butt joint, the two movable modules 3b are clamped by the rod part of the square head bolt 6 through the formed second through hole 3b2, the square head of the square head bolt 6 is also located in the second punching hole 3b1, and the punching of the punching machine 2 is waited.
Further, in order to solve the technical problem of how the lifting device 5 lifts the lag bolt 6, as shown in fig. 11 to 14:
lifting device 5 is including a lift platform 5a, this lift platform 5a is the top that the horizontality set up at a supporting bench 1a, lift platform 5a can also be at a supporting bench 1a vertical movement, still be equipped with one on a supporting bench 1a and be used for driving lift platform 5a vertical movement's jacking cylinder 5b, lift platform 5 a's center has been link up a jacking mouth, and still be equipped with one on jacking cylinder 5 b's the output and can support lift platform 5a or can pass the jacking piece 5c of jacking mouth, lift platform 5 a's top still is equipped with a clamping mechanism 5d that is used for pressing from both sides tight square head bolt 6 pole portion.
Based on the above embodiment, when the square head bolt 6 is processed at the second stage, in order to move the square head bolt 6 upwards, the lifting device 5 needs to jack the square head bolt 6, the clamping mechanism 5d clamps the rod portion of the square head bolt 6 during the process of jacking the square head bolt 6 by the lifting device 5, the lifting cylinder 5b jacks the lifting platform 5a through the jacking piece 5c, the square head bolt 6 moves upwards along with the upward movement of the lifting platform 5a, the lifting platform 5a stops moving until the square head of the square head bolt 6 is located between the two movable modules 3b, the clamping mechanism 5d clamps the rod portion of the square head bolt 6, so that the square head of the square head bolt 6 can be accurately located in the second stamping opening 3b1 without deviation, after the square head bolt 6 is stamped for the second time, when an operator takes out the square head bolt, the clamping mechanism 5d is loosened, the jacking cylinder 5b continues to drive the jacking piece 5c to jack up upwards, the jacking piece 5c penetrates through the jacking opening to continue moving upwards, and the square head bolt 6 is pushed out of the two movable modules 3b under the pushing of the jacking piece 5 c.
Further, in order to solve the technical problem of how the jacking piece 5c can jack up the lifting platform 5a or pass through the jacking opening, as shown in fig. 15:
jacking piece 5c is the top cylinder and the massive structure of bottom, jacking piece 5 c's cylinder portion diameter equals the diameter of jacking mouth, the cavity has all been seted up to jacking piece 5 c's massive portion both sides, all slide in every cavity and be equipped with an iron plate 5c1, still all be connected with a spring 5c12 between the internal surface of every iron plate 5c1 and cavity, the part that the internal surface of every cavity avoids spring 5c12 still all is equipped with a magnet 5c3, still be equipped with the blow vent 5c2 with every cavity intercommunication on jacking piece 5 c's massive portion, a draw-in groove 5c4 has still all been seted up along iron plate 5c 1's slip direction to the top of every iron plate 5c1 still all upwards extends has a post 5c11 that slides in corresponding draw-in groove 5c 4.
Based on the above embodiment, when the square head bolt 6 is processed in the second stage, the lifting platform 5a needs to be jacked up, therefore, air is injected into the jacking piece 5c through the air vent 5c2, so that the two iron blocks 5c1 are flushed outwards, the jacking piece 5c cannot pass through the jacking port, when the two iron blocks 5c1 are flushed out, the two iron blocks 5c1 prevent the iron block 5c1 from separating from the cavity by moving the convex post 5c11 in the slot 5c4, along with jacking of the jacking cylinder 5b, the jacking piece 5c also jacks up the lifting platform 5a through the two iron blocks 5c1, when the square head bolt 6 is processed and needs to be taken out, the two iron blocks 5c1 return to the original jacking position under the action of the spring 5c12 and are adsorbed on the corresponding magnet 5c3, so that the jacking piece 5c can pass through the jacking port, along with jacking cylinder 5b jacks up the jacking piece 5c, the jacking piece 5c passes through the jacking port, until the lag bolt 6 is pushed out of the two movable modules 3 b.
Further, in order to solve the technical problem of how the clamping mechanism 5d clamps the lag bolt 6, as shown in fig. 11 and 12:
clamping mechanism 5d includes two splint 5d1, and two splint 5d1 symmetries set up the top at lift platform 5a, and every splint 5d1 has all seted up towards the one side of square head bolt 6 and has pressed from both sides the mouth, and every splint 5d1 still all can be on lift platform 5a perpendicular to jacking piece 5 c's direction horizontal migration to still be equipped with the biax double-rod cylinder 5d2 that is used for driving every splint 5d1 horizontal migration on lift platform 5 a.
Based on the above embodiment, when the clamping mechanism 5d clamps the rod portion of the lag bolt 6, the two-axis two-rod cylinders 5d2 simultaneously push the corresponding clamping plates 5d1 to move toward the lag bolt 6, and the two clamping plates 5d1 clamp the rod portion of the lag bolt 6 through the clamping opening.
As shown in fig. 2 and 4:
a supporting plate 1a1 is arranged on the supporting table 1a and below the lifting platform 5a, a blocking column 1a2 extends from the top of the punching table 1 to the direction of the lifting platform 5a, and a square punching head 2a with the size equal to that of the second punching opening 3b1 is arranged at the output end of the punching machine 2.
Based on the above embodiment, when the jacking piece 5c is supported on the supporting plate 1a1, along with the stamping of the square head bolt 6 by the stamping head 2a of the stamping machine 2, the jacking piece 5c is supported by the supporting plate 1a1, so as to prevent the jacking cylinder 5b from being damaged by pressure, when the lifting platform 5a moves upwards, in order to avoid the clamping mechanism 5d from touching the stamping table 1, the lifting platform 5a first contacts two stop posts 1a2, so that the square head bolt 6 is also pushed to a proper position, and the two movable modules 3b are to be butted.
This application is through the cooperation between fixed mould and the movable mould, realized that square head bolt 6 can reach the degree of laminating with the movable mould edge after by stamping forming, the shaping quality of square head bolt 6 has been improved, influence the assembly when avoiding square head bolt 6 to use, lift movement to square head bolt 6 through hoisting device 5, make square head bolt 6 enough make its square head accuracy be located between two movable mould 3b, can make things convenient for the operating personnel to take out to the square head bolt 6 of processing completion again, also make things convenient for taking out of square head bolt 6 when having realized square head bolt 6 machine-shaping.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A hot extrusion molding device for a square head bolt comprises a stamping platform (1), a stamping machine (2) arranged above the stamping head (2 a) and a stamping die (3) arranged at the top of the stamping platform (1), and is characterized in that the stamping die (3) comprises a fixed module (3 a) and two movable modules (3 b), the fixed module (3 a) is fixedly arranged at the top of the stamping platform (1), the two movable modules (3 b) are symmetrically arranged at the top of the fixed module (3 a), the symmetrical surfaces of the two movable modules (3 b) are the middle cross sections of the fixed module (3 a), the two movable modules (3 b) can also relatively slide on the fixed module (3 a), the fixed module (3 a) is also provided with a driving device (4) for driving the two movable modules (3 b) to relatively slide, a supporting table (1 a) used for supporting the square head bolt (6) is further arranged on the punching table (1) and below the fixing module (3 a), and a lifting device (5) used for lifting the square head bolt (6) is further arranged on the supporting table (1 a).
2. The hot extrusion molding equipment for the square head bolt as claimed in claim 1, wherein the fixed module (3 a) is in a square block shape, a first square punching port (3 a 1) is formed in the center of the top of the fixed module (3 a), a first circular through hole (3 a 2) penetrates downwards through the center of the first punching port (3 a 1) on the fixed module (3 a), the diameter of the first through hole (3 a 2) is equal to that of the rod portion of the square head bolt (6), the first punching port (3 a 1) and the first through hole (3 a 2) are communicated with each other, and slopes (3 a 3) are formed at four corners of the communication position of the first punching port (3 a 1) and the first through hole (3 a 2).
3. The hot extrusion molding equipment for the square head bolt according to claim 1, wherein the movable module (3 b) is in a rectangular block shape, a rectangular opening is formed in the center of the edge of the movable module (3 b), a semi-circular opening communicated with the rectangular opening is further penetrated through the center of the edge of the movable module (3 b), after the two movable modules (3 b) are butted, the two rectangular openings form a second square punching opening (3 b 1), the two semi-circular openings form a second circular through opening (3 b 2), the size of the second punching opening (3 b 1) is larger than that of the first punching opening (3 a 1), and the diameter of the second through opening (3 b 2) is equal to that of the first through opening (3 a 2).
4. A lag bolt hot extrusion molding apparatus as claimed in claim 3, wherein the driving means (4) comprises a sliding member (4 a) and a driving member (4 b), the sliding member (4 a) and the driving member (4 b) are fixedly provided on the fixed die block (3 a), both sides of each movable die block (3 b) are further provided with a slide bar (3 b 3) capable of sliding on the sliding member (4 a), and the opposite sides of the two movable die blocks (3 b) are further provided with a contact switch (3 b 4).
5. The hot extrusion molding equipment for the square head bolt according to claim 4, wherein the sliding part (4 a) comprises two side plates (4 a 1), the two side plates (4 a 1) are symmetrically arranged at two sides of the fixed module (3 a), the length direction of the two side plates (4 a 1) is parallel to the length direction of the sliding strip (3 b 3) on the movable module (3 b), each side plate (4 a 1) is further provided with a sliding groove along the length direction of the corresponding side plate (4 a 1), each sliding strip (3 b 3) can slide in the corresponding sliding groove, the two sides of the fixed module (3 a) which are perpendicular to the side plates (4 a 1) are further fixedly provided with a baffle plate (4 a 2), and the movable range of the movable module (3 b) is positioned between the two baffle plates (4 a 2).
6. The hot extrusion forming equipment for the square head bolt according to claim 4, wherein the driving part (4 b) comprises a bidirectional screw rod sliding table (4 b 1), the bidirectional screw rod sliding table (4 b 1) is fixedly arranged on the fixed module (3 a), a sliding block (4 b 2) is arranged on a bidirectional screw thread section of the bidirectional screw rod sliding table (4 b 1) in a sliding mode, the sliding direction of the sliding block (4 b 2) is parallel to the length direction of the side plate (4 a 1), and each sliding block (4 b 2) is fixedly connected with the corresponding movable module (3 b) through a connecting plate (4 b 3).
7. The hot extrusion molding equipment for the square head bolt according to claim 1, wherein the lifting device (5) comprises a lifting platform (5 a), the lifting platform (5 a) is horizontally arranged at the top of the supporting platform (1 a), the lifting platform (5 a) can also vertically move on the supporting platform (1 a), a jacking cylinder (5 b) used for driving the lifting platform (5 a) to vertically move is further arranged on the supporting platform (1 a), a jacking opening is penetrated through the center of the lifting platform (5 a), a jacking piece (5 c) capable of supporting the lifting platform (5 a) or capable of penetrating through the jacking opening is further arranged at the output end of the jacking cylinder (5 b), and a clamping mechanism (5 d) used for clamping the rod part of the square head bolt (6) is further arranged at the top of the lifting platform (5 a).
8. The hot extrusion molding equipment for the square head bolt according to claim 7, wherein the jacking piece (5 c) is a structure with a cylindrical top end and a block-shaped bottom end, the diameter of the cylindrical part of the jacking piece (5 c) is equal to that of the jacking opening, cavities are formed in two sides of the block-shaped part of the jacking piece (5 c), an iron block (5 c 1) is arranged in each cavity in a sliding manner, a spring (5 c 12) is connected between each iron block (5 c 1) and the inner surface of each cavity, a magnet (5 c 3) is arranged on the part, avoiding the spring (5 c 12), of the inner surface of each cavity, a vent hole (5 c 2) communicated with each cavity is further formed in the block-shaped part of the jacking piece (5 c) and a clamping groove (5 c 4) is further formed in the upper surface of each cavity along the sliding direction of the iron block (5 c 1), and the top of each iron block (5 c 1) is also provided with a convex column (5 c 11) which slides in the corresponding slot (5 c 4) in an upward extending way.
9. The hot extrusion forming equipment for the square head bolt according to claim 7, wherein the clamping mechanism (5 d) comprises two clamping plates (5 d 1), the two clamping plates (5 d 1) are symmetrically arranged at the top of the lifting platform (5 a), a clamping opening is formed in one surface, facing the square head bolt (6), of each clamping plate (5 d 1), each clamping plate (5 d 1) can horizontally move on the lifting platform (5 a) in a direction perpendicular to the jacking piece (5 c), and a double-shaft double-rod air cylinder (5 d 2) used for driving each clamping plate (5 d 1) to horizontally move is further arranged on the lifting platform (5 a).
10. A hot extrusion forming apparatus for a lag bolt according to claim 1, wherein a support plate (1 a 1) is provided below the elevating platform (5 a) on the support table (1 a), a stop pillar (1 a 2) is further extended from the top of the punching table (1) toward the elevating platform (5 a), and a square punch (2 a) having a size equal to that of the second punch opening (3 b 1) is provided at the output end of the punching machine (2).
CN202111146087.XA 2021-09-28 2021-09-28 Hot extrusion molding equipment for square-head bolt Active CN113976793B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114850389A (en) * 2022-06-10 2022-08-05 嘉兴海缙五金科技股份有限公司 Cold-heading device is used in nut production

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100048309A1 (en) * 2008-08-19 2010-02-25 Sieber Forming Solutions Gmbh Method and device for manufacturing fastenings or fasteners with radial outer contours, especially screws or threaded bolts
CN205833925U (en) * 2016-06-29 2016-12-28 上虞市海儿铜铝材有限公司 A kind of stamping machine
CN206065310U (en) * 2016-08-27 2017-04-05 北京金兆博高强度紧固件有限公司 For the stamping machine of bolt processing
CN108672633A (en) * 2018-08-13 2018-10-19 台州建松机械有限公司 Automatic punching die
CN109513873A (en) * 2018-10-26 2019-03-26 陕西福兰特汽车标准件有限公司 A kind of processing method and its die assembly of tommyhead bolt
CN209061905U (en) * 2018-11-06 2019-07-05 合肥景岭自动化科技有限公司 A kind of stamping equipment with diel
CN209953736U (en) * 2019-05-14 2020-01-17 西安航空学院 A pendulum grinding device for automobile half shaft machining
CN110732618A (en) * 2019-12-02 2020-01-31 丽水吉德实业有限公司 Die for upsetting hexagon flange bolt
CN213379082U (en) * 2020-10-14 2021-06-08 温州展博实业有限公司 Bolt cold heading forming die

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100048309A1 (en) * 2008-08-19 2010-02-25 Sieber Forming Solutions Gmbh Method and device for manufacturing fastenings or fasteners with radial outer contours, especially screws or threaded bolts
CN205833925U (en) * 2016-06-29 2016-12-28 上虞市海儿铜铝材有限公司 A kind of stamping machine
CN206065310U (en) * 2016-08-27 2017-04-05 北京金兆博高强度紧固件有限公司 For the stamping machine of bolt processing
CN108672633A (en) * 2018-08-13 2018-10-19 台州建松机械有限公司 Automatic punching die
CN109513873A (en) * 2018-10-26 2019-03-26 陕西福兰特汽车标准件有限公司 A kind of processing method and its die assembly of tommyhead bolt
CN209061905U (en) * 2018-11-06 2019-07-05 合肥景岭自动化科技有限公司 A kind of stamping equipment with diel
CN209953736U (en) * 2019-05-14 2020-01-17 西安航空学院 A pendulum grinding device for automobile half shaft machining
CN110732618A (en) * 2019-12-02 2020-01-31 丽水吉德实业有限公司 Die for upsetting hexagon flange bolt
CN213379082U (en) * 2020-10-14 2021-06-08 温州展博实业有限公司 Bolt cold heading forming die

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114850389A (en) * 2022-06-10 2022-08-05 嘉兴海缙五金科技股份有限公司 Cold-heading device is used in nut production

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