CN117066430A - Hot heading die for bolt machining - Google Patents
Hot heading die for bolt machining Download PDFInfo
- Publication number
- CN117066430A CN117066430A CN202311216583.7A CN202311216583A CN117066430A CN 117066430 A CN117066430 A CN 117066430A CN 202311216583 A CN202311216583 A CN 202311216583A CN 117066430 A CN117066430 A CN 117066430A
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- hot
- pressing
- helmet
- steel bar
- fixedly connected
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- 238000003754 machining Methods 0.000 title claims description 6
- 238000007731 hot pressing Methods 0.000 claims abstract description 99
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims description 15
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 9
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000013589 supplement Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The application relates to a hot upsetting die for bolt processing, which comprises a die body and a hot upsetting system, wherein the die body comprises an operation table, a movable die core and a fixed die core, the inner side of the movable die core is provided with a hot-pressing helmet, the inner side of the hot-pressing helmet is used as a die cavity for hot-pressing and forming a steel bar, on one hand, after hot pressing, the end part of the steel bar after hot pressing is jointly demolded by the hot-pressing helmet, the hot-pressing helmet plays a role in protecting the hot-pressing end still in a high-temperature plastic state, so that the hot-pressing end is not easy to generate secondary deformation due to collision of foreign objects, on the other hand, the outer skin of the steel bar falling off in the hot-pressing process is adhered to the inner wall of the hot-pressing helmet, and when the next hot pressing is performed, the new hot-pressing helmet can be installed in an assembly groove to perform hot-pressing and forming on the steel bar, so that the outer skin of the steel bar falling off is not easy to influence the subsequent hot-pressing process.
Description
Technical Field
The application relates to a hot upsetting die, in particular to a hot upsetting die for bolt machining, which is applied to the field of bolt machining.
Background
The hot upsetting process is to heat the workpiece to be machined to a certain temperature with a high-frequency furnace or other heating equipment, and then to put the heated workpiece on a hot upsetting machine and to punch the workpiece through a die. During hot heading, the billet is induction heated or heated in a forging furnace or oven to a temperature above the recrystallization point of the metal. Such extremely high temperatures are necessary to avoid strain hardening of the metal during deformation. Because the metal is in a plastic state, a fairly complex shape can be produced, and the metal retains ductility and toughness.
As disclosed in the specification of Chinese patent No. CN201721217785.3, a double-pass hot upsetting forming die for the composite bolt is disclosed, wherein a composite bolt blank is extruded into a lower die core from an upper die core for one pass during one-pass stamping, and the diameter of the bolt rod part is reduced; the second-pass upper die core is hot-pressed in the second-pass upper die sleeve, and integrally installed on the upper die base during second-pass hot heading for forming the head of the bolt. And after the double-pass hot upsetting forming, the composite bolt blank is ejected out by a lower punch rod arranged on the lower top plate for subsequent processing. The die can ensure that the bimetal bolt is deformed and coordinated in the forming process, and the contact stress at the joint surface meets the metallurgical combination between metals.
The end of the existing bolt steel billet with processing is still in a high-temperature unprotected state after hot press molding, so that the molded end is easy to be collided by external hard objects to generate micro deformation in the transferring and cooling process, and in addition, the bolt steel billet is easy to separate from a layer of outer skin after hot press molding and is easy to adhere in a die, thereby influencing the hot upsetting molding effect of the later-stage bolt.
Content of the application
Aiming at the prior art, the technical problem to be solved by the application is that the bolt billet is still in a high-temperature plastic state after hot pressing, is easy to slightly deform due to collision of external hard objects, and the peel which is fallen off during hot pressing is easy to adhere in a die, so that the hot upsetting forming effect of the later-stage bolt is affected.
In order to solve the problems, the application provides a hot heading die for bolt processing, which comprises a die body and a hot heading system, wherein the die body comprises an operation table, a movable die core fixedly connected to the side end of the operation table and a fixed die core positioned on one side of the movable die core, an assembly groove is formed at one end of the movable die core, which is close to the fixed die core, an inner groove is formed in the inner wall, which is far away from a notch of the assembly groove, a hot-pressing helmet is placed in the assembly groove, the hot-pressing helmet comprises a round sleeve and a tip, the round sleeve is positioned in the assembly groove and matched with the round sleeve, the tip is positioned in the inner groove and matched with the inner groove, one end, which is close to the round sleeve, of the tip is fixedly connected with a vacuum chuck, one end, which is far away from the round sleeve, of the tip is fixedly connected and communicated with a vacuum generator through a connecting pipe;
an annular groove is formed in one end, close to the end head, of the circular sleeve, a plurality of branch holes which are uniformly distributed and communicated with the inner side of the circular sleeve are formed in the inner wall of the annular groove, the farthest distance from the inner wall of the branch hole to the center line of the circular sleeve is larger than the inner diameter of the circular sleeve, and an orifice matching ring matched with the annular groove and the branch holes is fixedly connected to the inner wall of the assembly groove.
In the hot upsetting die for bolt processing, through the arrangement of the hot-pressing helmet, not only the forming end still in a high-temperature plastic state after hot pressing is protected, but also the outer skin of the steel bar falling off in the hot-pressing process is isolated, so that the outer skin of the steel bar falling off is not easy to influence the subsequent hot-pressing process.
As a further supplement of the application, the hole matching ring comprises a circular ring and a plurality of cylinders, the circular ring is fixedly connected to the inner wall of the assembly groove, and the cylinders are uniformly and fixedly connected to one end of the circular ring far away from the assembly groove.
As a further supplement of the application, the round sleeve is made of the same material as the movable mold core, and the end head is made of a heat insulation material.
As a further improvement of the hot press helmet, the side end of the operation table is fixedly connected with the supporting table, the side end of the supporting table is fixedly connected with the clamping mechanical arm, the clamping mechanical arm comprises a multi-shaft mechanical arm fixedly connected with the supporting table, one end of the multi-shaft mechanical arm, which is far away from the supporting table, is fixedly connected with the gripper, and continuous automatic assembly of the hot press helmet on the movable mold core can be realized through the multi-shaft mechanical arm and the gripper.
As a further improvement supplement of the application, the hot heading system comprises a hot pressing module, a vacuum adsorption module and a clamping helmet module, wherein the hot pressing module is used for controlling the movable mold core and the fixed mold core to carry out hot pressing on steel bars, the vacuum generator is electrically connected with the vacuum adsorption module, and the clamping mechanical arm is electrically connected with the clamping helmet module.
As a further improvement supplement to the application, the outer wall of the round sleeve is coated with a pair of auxiliary magnetic coatings, and the outer surface of the gripper is coated with a pair of main magnetic coatings matched with the auxiliary magnetic coatings in position.
The application method of the hot heading die for bolt processing comprises the following steps:
s1, placing the hot-pressing helmet in an assembly groove to enable the hot-pressing helmet and the assembly groove to be completely matched, and then starting a vacuum generator to adsorb and fix the hot-pressing helmet;
s2, inserting one end of the steel bar to be processed, which is not subjected to high-temperature treatment, into the fixed die core, gradually approaching the movable die core to the fixed die core, and hot-pressing the end of the steel bar subjected to high-temperature treatment;
s3, after the hot pressing is finished, the movable mold core is separated from the fixed mold core, and the vacuum generator is closed at the same time, so that the hot pressed steel bars are jointly demoulded along with the hot pressing helmets;
s4, repeating the steps S1, S2 and S3 in sequence to realize continuous hot pressing processing.
As a further supplement of the application, after the step S4, the method also comprises the step of carrying out quality inspection operation on the steel bar with the hot-press helmets after demoulding and cooling, and the method specifically comprises the following steps: the steel bar is provided with one end with the hot-pressing helmet upwards, enough clean water is added into the annular groove, then the hot-pressing helmet horizontally rotates along the end part of the steel bar, when obvious overflow conditions exist at the inner wall of the lower end of the hot-pressing helmet, the head of the hot-pressing helmet is provided with a large uneven area, and after quality inspection is finished, the hot-pressing helmet can be taken down from the steel bar to be recycled.
In summary, the inner side of the movable mold core is provided with the hot-pressing helmet, so that the inner side of the hot-pressing helmet is used as a cavity for hot-pressing and molding the steel bar, on one hand, after hot pressing, the end part of the steel bar after hot pressing is jointly demoulded by the hot-pressing helmet, the hot-pressing helmet plays a role in protecting the hot-pressing end still in a high-temperature plastic state, so that the hot-pressing end is not easy to generate secondary deformation due to collision of foreign objects, on the other hand, the outer skin of the steel bar falling off in the hot-pressing process is adhered to the inner wall of the hot-pressing helmet, and when the next hot pressing is carried out, a new hot-pressing helmet can be installed in the assembly groove to carry out hot-pressing and molding on the steel bar, so that the outer skin of the steel bar falling off is not easy to influence the subsequent hot-pressing process, and in addition, quality inspection operation can be carried out on the end part shape and size of the molded steel bar through the hot-pressing helmet, obvious unqualified products are removed in advance, and the consumption of subsequent processing cost is reduced.
Drawings
FIG. 1 is a perspective view of the present application;
FIG. 2 is a second perspective view of the present application;
FIG. 3 is a perspective view III of the present application;
FIG. 4 is a schematic side view of the present application;
FIG. 5 is a schematic side view of a thermal helmet of the present application;
FIG. 6 is a perspective view of a hot press helmet of the present application;
FIG. 7 is a second perspective view of the hot press helmet of the present application;
FIG. 8 is a schematic side view of a second embodiment of the present application;
FIG. 9 is a side view of a third embodiment of the present application;
FIG. 10 is a schematic side view of the steel strip of the present application after being demolded;
fig. 11 is a schematic side view of a steel strip according to a second embodiment of the present application.
The reference numerals in the figures illustrate:
1 operation table, 2 movable mold cores, 201 assembly grooves, 202 inner grooves, 3 fixed mold cores, 4 support tables, 51 multi-axis mechanical arms, 52 grippers, 5201 main magnetic coating, 6 hot press helmets, 61 circular sleeves, 6101 annular grooves, 6102 branch flow holes, 6103 auxiliary magnetic coating, 62 end heads, 7 hole-matching rings, 71 circular rings, 72 cylinders, 8 vacuum sucking discs and 9 vacuum generators.
Detailed Description
The following describes 3 embodiments of the present application in detail with reference to the accompanying drawings.
First embodiment:
the application provides a hot heading die for bolt processing, referring to fig. 1 and 4, which comprises a die body and a hot heading system, wherein the die body comprises an operation table 1, a movable die core 2 fixedly connected to the side end of the operation table 1 and a fixed die core 3 positioned on one side of the movable die core 2, an assembly groove 201 is formed in one end, close to the fixed die core 3, of the movable die core 2, an inner groove 202 is formed in the inner wall, far away from a notch of the assembly groove 201, and a hot-press helmet 6 is placed in the assembly groove.
Referring to fig. 4 and 5, the hot-pressing helmet 6 includes a round sleeve 61 and an end 62, the round sleeve 61 is located inside the assembly groove 201 and is matched with the round sleeve, the end 62 is located inside the inner groove 202 and is matched with the inner groove, one end of the round sleeve 61, which is close to the end 62, is fixedly connected with a vacuum chuck 8, one end of the end 62, which is far away from the round sleeve 61, is attached to the vacuum chuck 8, one end of the vacuum chuck 8, which is far away from the end 62, is fixedly connected and communicated with the vacuum generator 9 through a connecting pipe, and when the vacuum generator 9 is started, the vacuum chuck 8 can generate negative pressure to the hot-pressing helmet 6 through the connecting pipe, so that a vacuum adsorption effect is achieved on the hot-pressing helmet 6.
The hot upsetting system comprises a hot-pressing module and a vacuum adsorption module, wherein the hot-pressing module is used for controlling the movable mold core 2 and the fixed mold core 3 to hot-press steel bars, and the vacuum generator 9 is electrically connected with the vacuum adsorption module and used for controlling the opening and closing of the vacuum generator 9.
The application method of the hot heading die for bolt processing comprises the following steps:
s1, placing the hot-pressing helmets 6 in an assembly groove 201 to enable the hot-pressing helmets 6 to be completely matched, and then starting a vacuum generator 9 to adsorb and fix the hot-pressing helmets 6;
s2, inserting one end, which is not subjected to high-temperature treatment, of the steel bar to be processed into the fixed die core 3, gradually approaching the movable die core 2 to the fixed die core 3, and hot-pressing the end, which is subjected to high-temperature treatment, of the steel bar;
s3, after the hot pressing is finished, the movable mold core 2 is separated from the fixed mold core 3, and meanwhile, the vacuum generator 9 is closed, so that the hot pressed steel bars are jointly demolded along with the hot pressing helmets 6;
s4, repeating the steps S1, S2 and S3 in sequence to realize continuous hot pressing processing.
The round sleeve 61 is made of the same material as the movable mold core 2, the end 62 is made of a heat insulation material, when the hot press helmet 6 is installed inside the assembly groove 201 as shown in fig. 9, so that the inner side of the hot press helmet 6 is used as a cavity for hot press molding of steel bars, on one hand, after hot press, the hot press helmet 6 is sleeved on the outer side of the molding end part of the steel bars, and is jointly moved out of the movable mold core 2, the hot press end of the steel bars still in a high-temperature state is protected, so that the hot press end is not easy to generate secondary deformation due to collision of foreign objects before cooling and shaping, on the other hand, the outer skin of the steel bars falling off in the hot press process is adhered on the inner wall of the hot press helmet 6, pollution to the movable mold core 2 is not easy to form, and when the next hot press is performed, the new hot press helmet 6 can be installed inside the assembly groove 201 to perform hot press molding on the steel bars, so that the falling outer skin is not easy to influence the subsequent hot press process.
Second embodiment:
on the basis of the first embodiment, the hot-press helmet 6 is provided with the following arrangement, and simultaneously, the hole-matching ring 7 matched with the hot-press helmet is additionally arranged for use, and the hot-press helmet is specifically as follows: referring to fig. 6 and 7, an annular groove 6101 is formed at one end of the circular sleeve 61 near the end 62, a plurality of branch holes 6102 which are uniformly distributed and are communicated with the inner side of the circular sleeve 61 are formed in the inner wall of the annular groove 6101, the farthest distance from the inner wall of the branch holes 6102 to the central line of the circular sleeve 61 is larger than the inner diameter of the circular sleeve 61, referring to fig. 8, an orifice ring 7 matched with the annular groove 6101 and the branch holes 6102 is fixedly connected to the inner wall of the assembly groove 201, the orifice ring 7 comprises a circular ring 71 and a plurality of cylinders 72, the circular ring 71 is fixedly connected to the inner wall of the assembly groove 201, and the cylinders 72 are uniformly and fixedly connected to one end of the circular ring 71 far away from the assembly groove 201.
When hot pressing is carried out, the annular groove 6101 and the branch holes 6102 are sealed by the hole matching ring 7, so that the inner wall of the hot pressing helmet 6 can be kept in a closed state, hot pressing is convenient to carry out on steel bars, and as the hot pressing effect is influenced by the temperature of the steel bars, a mould and other factors in the hot pressing process, the quality of the end parts of the steel bars formed by hot pressing each time is difficult to be ensured to be in a qualified state, so that quality inspection of the formed steel bars is required, in the prior art, a visual inspection or size measurement mode is generally adopted, but the accuracy is poor, therefore, the quality inspection operation of the steel bars with the hot pressing helmet 6 after demoulding and cooling can be realized by arranging the annular groove 6101 and the branch holes 6102 on the hot pressing helmet 6, and the concrete steps are as follows:
referring to fig. 10 and 11, the end of the steel bar with the hot-press helmet 6 is turned up, enough clean water is added into the annular groove 6101, then the hot-press helmet 6 is horizontally rotated along the end of the steel bar, when obvious overflow exists at the inner wall of the lower end of the hot-press helmet 6, it is indicated that a large uneven area exists at the head of the hot-press molding of the steel bar, and after quality inspection is completed, the hot-press helmet 6 can be removed from the steel bar for recycling.
Third embodiment:
on the basis of the first or second embodiment, the application adds a structure for automatically clamping and installing the hot-pressing helmet 6 and a related control module thereof, and the structure is specifically as follows: the side end of the operation table 1 is fixedly connected with a supporting table 4, the side end of the supporting table 4 is fixedly connected with a clamping mechanical arm, the clamping mechanical arm comprises a multi-shaft mechanical arm 51 fixedly connected with the supporting table 4, one end of the multi-shaft mechanical arm 51, which is far away from the supporting table 4, is fixedly connected with a gripper 52, continuous automatic assembly of the hot press helmet 6 on the movable mold core 2 can be realized through the multi-shaft mechanical arm 51 and the gripper 52, a pair of auxiliary magnetic coatings 6103 are coated on the outer wall of the round sleeve 61, a pair of main magnetic coatings 5201 matched with the positions of the auxiliary magnetic coatings 6103 are coated on the outer surface of the gripper 52, and the auxiliary magnetic coatings 6103 and the main magnetic coatings 5201 can realize magnetic adsorption under the condition of spacing the round sleeve 61.
The hot heading system further comprises a clamping helmet-loading module, the clamping mechanical arm is electrically connected with the clamping helmet-loading module, referring to fig. 2 and 3, when the hot heading system is used, an operator manually sleeves the hot-pressing helmet 6 on the outer side of the unfolded grip 52, then the hot-pressing helmet 6 is conveyed into the assembly groove 201 through the operation action of the multi-shaft mechanical arm 51, in the process, the hot-pressing helmet 6 is not easy to fall from the grip 52 due to the magnetic adsorption of the main magnetic coating 5201 and the auxiliary magnetic coating 6103, meanwhile, after the hot-pressing helmet 6 is conveyed into the assembly groove 201, the hole-matching ring 7 is just matched with the annular groove 6101 and the branch hole 6102, so that the hot-pressing helmet 6 is completely matched with the assembly groove 201 and the inner groove 202, and then the vacuum generator 9 is started to enable the hot-pressing helmet 6 to be stably installed inside the assembly groove 201 and the inner groove 202, and after the conveying of the hot-pressing helmet 6 is completed, the clamping mechanical arm is moved out of the assembly groove 201 and moves to the initial position.
The present application is not limited to the above-described embodiments, which are adopted in connection with the actual demands, and various changes made by the person skilled in the art without departing from the spirit of the present application are still within the scope of the present application.
Claims (8)
1. The utility model provides a bolt processing is with hot-heading mould, includes mould body and hot-heading system, the mould body includes operation panel (1), fixed connection in movable mould core (2) of operation panel (1) side and be located cover half core (3) of movable mould core (2) one side, its characterized in that: an assembly groove (201) is formed in one end, close to the fixed mold core (3), of the movable mold core (2), an inner groove (202) is formed in the inner wall, far away from a notch of the assembly groove (201), a hot-pressing helmet (6) is placed in the assembly groove (201), the hot-pressing helmet (6) comprises a round sleeve (61) and an end socket (62), the round sleeve (61) is located in the assembly groove (201) and matched with the inner groove (202), the end socket (62) is located in the inner groove (202) and matched with the inner groove, one end, close to the end socket (61), of the movable mold core (2) is fixedly connected with a vacuum chuck (8), one end, far away from the round sleeve (61), of the end socket (62) is attached to the vacuum chuck (8), and one end, far away from the end socket (62), of the vacuum chuck (8) is fixedly connected and communicated with a vacuum generator (9) through a connecting pipe;
annular groove (6101) has been seted up to the one end that circle cover (61) is close to end (62), a plurality of evenly distributed and with the communicating tributary hole (6102) of circle cover (61) inboard have been seted up to the inner wall of annular groove (6101), and the farthest distance of tributary hole (6102) inner wall to circle cover (61) central line is greater than the internal diameter of circle cover (61), fixedly connected with on the inner wall of assembly groove (201) with annular groove (6101), tributary hole (6102) both match join in marriage hole ring (7).
2. The hot heading die for bolt processing according to claim 1, characterized in that: the hole matching ring (7) comprises a circular ring (71) and a plurality of cylinders (72), wherein the circular ring (71) is fixedly connected to the inner wall of the assembly groove (201), and the cylinders (72) are uniformly and fixedly connected to one end, far away from the assembly groove (201), of the circular ring (71).
3. The hot heading die for bolt processing according to claim 1, characterized in that: the round sleeve (61) is made of the same material as the movable mold core (2), and the end head (62) is made of a heat insulation material.
4. The hot heading die for bolt processing according to claim 1, characterized in that: the manipulator is characterized in that the side end of the operation table (1) is fixedly connected with a supporting table (4), the side end of the supporting table (4) is fixedly connected with a clamping mechanical arm, the clamping mechanical arm comprises a multi-shaft mechanical arm (51) fixedly connected with the supporting table (4), and one end, far away from the supporting table (4), of the multi-shaft mechanical arm (51) is fixedly connected with a gripper (52).
5. The hot heading die for bolt machining according to claim 4, wherein: the hot upsetting system comprises a hot pressing module, a vacuum adsorption module and a clamping helmet module, wherein the hot pressing module is used for controlling the brake mold core (2) and the fixed mold core (3) to carry out hot pressing on steel bars, the vacuum generator (9) is electrically connected with the vacuum adsorption module, and the clamping mechanical arm is electrically connected with the clamping helmet module.
6. The hot heading die for bolt machining according to claim 5, wherein: the outer wall of the round sleeve (61) is coated with a pair of auxiliary magnetic coatings (6103), and the outer surface of the handle (52) is coated with a pair of main magnetic coatings (5201) matched with the auxiliary magnetic coatings (6103).
7. The hot heading die for bolt processing according to claim 1, characterized in that: the application method comprises the following steps:
s1, placing the hot-pressing helmet (6) in an assembly groove (201) to enable the hot-pressing helmet and the assembly groove to be completely matched, and then starting a vacuum generator (9) to adsorb and fix the hot-pressing helmet (6);
s2, inserting one end of the steel bar to be processed, which is not subjected to high-temperature treatment, into the fixed die core (3), gradually approaching the movable die core (2) to the fixed die core (3), and hot-pressing the end of the steel bar subjected to high-temperature treatment;
s3, after the hot pressing is finished, the movable mold core (2) is separated from the fixed mold core (3), and meanwhile, the vacuum generator (9) is closed, so that the hot pressed steel bars are jointly demoulded along with the hot pressing helmets (6);
s4, repeating the steps S1, S2 and S3 in sequence to realize continuous hot pressing processing.
8. The hot heading die for bolt processing according to claim 1, characterized in that: after the step S4, the method further comprises the step of performing quality inspection operation on the steel bar with the hot press helmets (6) after demoulding and cooling, and specifically comprises the following steps: the steel bar is provided with one end with the hot-pressing helmet (6) upwards, enough clean water is added into the annular groove (6101), then the hot-pressing helmet (6) is horizontally rotated along the end part of the steel bar, when obvious overflow conditions exist at the inner wall of the lower end of the hot-pressing helmet (6), the head of the hot-pressing helmet is provided with a large uneven area, and after quality inspection, the hot-pressing helmet (6) can be taken down from the steel bar for recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311216583.7A CN117066430B (en) | 2023-09-20 | 2023-09-20 | Hot heading die for bolt machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311216583.7A CN117066430B (en) | 2023-09-20 | 2023-09-20 | Hot heading die for bolt machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117066430A true CN117066430A (en) | 2023-11-17 |
| CN117066430B CN117066430B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311216583.7A Active CN117066430B (en) | 2023-09-20 | 2023-09-20 | Hot heading die for bolt machining |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002001480A (en) * | 2000-06-22 | 2002-01-08 | Sakamura Mach Co Ltd | Trimmer for forming head of rod-shaped member with head |
| KR20040049222A (en) * | 2002-12-05 | 2004-06-11 | 태양금속공업주식회사 | Trimming dies for Bolt head forming |
| JP2006038180A (en) * | 2004-07-29 | 2006-02-09 | Oiles Ind Co Ltd | Cylindrical bearing bush and its manufacturing method |
| JP2008142767A (en) * | 2006-12-13 | 2008-06-26 | Toyota Motor Corp | Forging apparatus and forging method |
| CN101336348A (en) * | 2005-12-22 | 2008-12-31 | 哈特马特·弗莱格 | Screw nut, method of production thereof and corresponding tool |
| CN202105959U (en) * | 2011-05-23 | 2012-01-11 | 山东美陵化工设备股份有限公司 | Lengthened bolt heat upset forming mold |
| CN202571138U (en) * | 2012-05-16 | 2012-12-05 | 航天精工有限公司 | Hot upsetting molding die for hexagon flange bolt |
| CN202683902U (en) * | 2012-07-10 | 2013-01-23 | 航天精工有限公司 | Hot upset mold for hexagon head bolt |
| CN203853498U (en) * | 2014-03-19 | 2014-10-01 | 河南航天精工制造有限公司 | Hot upsetting mold of upper die molding and upper die used for hot upsetting mold |
| CN107297449A (en) * | 2017-06-20 | 2017-10-27 | 承德石油高等专科学校 | A kind of metallurgical composite bolt two pass time performing hot-heading forming technique of stainless steel/carbon |
| CN107405676A (en) * | 2015-03-25 | 2017-11-28 | 高周波热錬株式会社 | The sleeve expanded for local diameter |
| CN207402048U (en) * | 2017-09-21 | 2018-05-25 | 承德石油高等专科学校 | Composite bolt two pass time performing hot-heading forming mold |
| KR20200000460U (en) * | 2020-02-20 | 2020-02-27 | 이근형 | Cold Forging Mold Structure for Bolt |
| KR102100451B1 (en) * | 2019-09-11 | 2020-05-15 | 최두선 | The Manufacturing Method of Rivet Type Battery Terminal Plate |
| CN215879689U (en) * | 2021-06-07 | 2022-02-22 | 昆山麦克司博精密机械有限公司 | Cold header damping device is used in production of T type nut |
| CN116586923A (en) * | 2023-07-14 | 2023-08-15 | 成都迈特航空制造有限公司 | Manufacturing method of lightning protection nut assembly with gasket ring sleeve |
-
2023
- 2023-09-20 CN CN202311216583.7A patent/CN117066430B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002001480A (en) * | 2000-06-22 | 2002-01-08 | Sakamura Mach Co Ltd | Trimmer for forming head of rod-shaped member with head |
| KR20040049222A (en) * | 2002-12-05 | 2004-06-11 | 태양금속공업주식회사 | Trimming dies for Bolt head forming |
| JP2006038180A (en) * | 2004-07-29 | 2006-02-09 | Oiles Ind Co Ltd | Cylindrical bearing bush and its manufacturing method |
| CN101336348A (en) * | 2005-12-22 | 2008-12-31 | 哈特马特·弗莱格 | Screw nut, method of production thereof and corresponding tool |
| JP2008142767A (en) * | 2006-12-13 | 2008-06-26 | Toyota Motor Corp | Forging apparatus and forging method |
| CN202105959U (en) * | 2011-05-23 | 2012-01-11 | 山东美陵化工设备股份有限公司 | Lengthened bolt heat upset forming mold |
| CN202571138U (en) * | 2012-05-16 | 2012-12-05 | 航天精工有限公司 | Hot upsetting molding die for hexagon flange bolt |
| CN202683902U (en) * | 2012-07-10 | 2013-01-23 | 航天精工有限公司 | Hot upset mold for hexagon head bolt |
| CN203853498U (en) * | 2014-03-19 | 2014-10-01 | 河南航天精工制造有限公司 | Hot upsetting mold of upper die molding and upper die used for hot upsetting mold |
| CN107405676A (en) * | 2015-03-25 | 2017-11-28 | 高周波热錬株式会社 | The sleeve expanded for local diameter |
| CN107297449A (en) * | 2017-06-20 | 2017-10-27 | 承德石油高等专科学校 | A kind of metallurgical composite bolt two pass time performing hot-heading forming technique of stainless steel/carbon |
| CN207402048U (en) * | 2017-09-21 | 2018-05-25 | 承德石油高等专科学校 | Composite bolt two pass time performing hot-heading forming mold |
| KR102100451B1 (en) * | 2019-09-11 | 2020-05-15 | 최두선 | The Manufacturing Method of Rivet Type Battery Terminal Plate |
| KR20200000460U (en) * | 2020-02-20 | 2020-02-27 | 이근형 | Cold Forging Mold Structure for Bolt |
| CN215879689U (en) * | 2021-06-07 | 2022-02-22 | 昆山麦克司博精密机械有限公司 | Cold header damping device is used in production of T type nut |
| CN116586923A (en) * | 2023-07-14 | 2023-08-15 | 成都迈特航空制造有限公司 | Manufacturing method of lightning protection nut assembly with gasket ring sleeve |
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| CN117066430B (en) | 2024-05-03 |
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