CN109822031B - Process of U-shaped ring cold heading special equipment - Google Patents
Process of U-shaped ring cold heading special equipment Download PDFInfo
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- CN109822031B CN109822031B CN201910264005.8A CN201910264005A CN109822031B CN 109822031 B CN109822031 B CN 109822031B CN 201910264005 A CN201910264005 A CN 201910264005A CN 109822031 B CN109822031 B CN 109822031B
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- 238000003754 machining Methods 0.000 claims description 3
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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
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Abstract
The invention discloses a U-shaped ring cold heading special device, which comprises a workbench, a upsetting mechanism fixedly arranged at the front end of the workbench, clamping mechanisms symmetrically arranged at the left side and the right side of the workbench and an axial positioning mechanism fixedly arranged at the rear end of the workbench, and also discloses a process of the U-shaped ring cold heading special device, wherein the cold heading process comprises the following steps: step one, checking and cleaning a workbench; step two, adjusting the positioning length; step three, setting upsetting class; fourthly, clamping and positioning the workpiece; step five, sequentially heading the workpiece; step six, a workpiece secondary pier head; step seven, recovering the workpiece; the hydraulic pump station and the recovery mechanism are controlled by the control mechanism, so that the upsetting mechanism, the clamping mechanism and the recovery mechanism are controlled in a linkage manner, the manual demand is reduced in the whole production process, the automatic production is realized, and the production quality and the production efficiency are improved; in the whole production process of the workpiece, no additional transfer is needed, the manual participation is reduced, the safety accident of scalding is avoided, and the safety is high.
Description
Technical Field
The invention relates to the technical field of U-shaped ring cold heading, in particular to a process of special U-shaped ring cold heading equipment.
Background
Upsetting belongs to one kind of forging technology, and its main purpose is that the length dimension of work piece will be shortened and the cross-section or the overall dimension grow of work piece, and this kind of course of working can mould the work piece on the basis of not cutting the work piece material, and then has improved the utilization ratio of material, and the surface of work piece upsetting can obtain good surface hardness and toughness simultaneously, therefore the production of many model parts adopts this kind of method.
The U-shaped ring comprises a U-shaped hanging ring and a bolt, parts contained in the U-shaped ring are all formed by forging, wherein the end of the bolt is formed by upsetting, but most of forging production is complicated in upsetting technology at present, and the following defects are overcome:
1. the labor is more, special heating is needed during specific production, 1 to 2 persons control punching equipment to upset, then the upsets are manually conveyed to the next working procedure, the whole processing process is time-consuming and labor-consuming, and the production quality and the production efficiency are not high;
2. safety accidents, such as scalding, are also easily caused during process circulation, so that a great potential safety hazard exists.
Disclosure of Invention
The invention aims to provide a process of special U-shaped ring cold heading equipment, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the process of the U-shaped ring cold heading special equipment comprises a workbench, a upsetting mechanism fixedly installed at the front end of the workbench, clamping mechanisms symmetrically installed at the left side and the right side of the workbench and an axial positioning mechanism fixedly installed at the rear end of the workbench, wherein the front end of the upsetting mechanism is an oil cylinder mounting plate I fixedly installed on the upper end face of the workbench, an oil cylinder I is fixedly installed at the front end of the oil cylinder mounting plate I, a piston rod of the oil cylinder I is fixedly installed on the other side of the oil cylinder mounting plate I, a fixing seat I is fixedly installed on the side face of the fixing seat I, a sliding support seat is fixedly installed on the side face of the sliding support seat, a sliding groove of a groove body structure is formed in the side face of the sliding support seat, a sliding seat is slidingly installed in the groove body of the sliding groove, an oil cylinder II is fixedly installed at the upper end of the sliding support seat, the piston rod of the oil cylinder II penetrates through the upper end face of the sliding groove and is fixed with the sliding seat, and a pier head die is fixedly inserted on the side face of the sliding seat;
the side surface of the clamping mechanism is an oil cylinder mounting plate II fixedly mounted on the left side and the right side of the upper end surface of the workbench, an oil cylinder III is fixedly mounted on the outer side surface of the oil cylinder mounting plate II, and two clamping seats are oppositely arranged on a piston rod of the oil cylinder III and on the inner side of the oil cylinder mounting plate II;
the rear end of the axial positioning mechanism is an axial positioning guide plate fixedly arranged on the upper end face of the workbench, a positioning screw sleeve is sleeved in the middle of the axial positioning guide plate, a positioning screw rod is screwed in the middle of the positioning screw sleeve, the front end of the positioning screw rod is fixedly connected with a positioning plate of a plate-shaped structure, and the rear end of the positioning screw rod is fixedly connected with a turntable of a disc-shaped structure.
Preferably, the groove body of the sliding groove is provided with two guide grooves of a T-shaped groove body structure in bilateral symmetry, and the left side of the sliding seat is provided with two guide blocks which are matched with the guide grooves in a sliding mode in bilateral symmetry.
Preferably, the right side of the sliding seat is provided with two inserting slots with conical hole structures, and the inserting slots are inserted with the bottom of the pier head die.
Preferably, the inner side surface of the clamping seat is provided with a clamping slot with a slot body structure in an opposite direction, and the section of the clamping slot is of a V-shaped structure.
Preferably, a blanking port is downwards formed in the upper end face of the workbench between the clamping seats, a recovery mechanism is arranged right below the blanking port, a conveying supporting seat I is arranged at the lower end of the recovery mechanism, a conveying groove of a groove body structure is formed in the upper end of the conveying supporting seat I, a belt conveyor is fixedly mounted between two side faces of the conveying groove, a guide plate is fixedly mounted at the front end of the belt conveyor and on the lower end face of the blanking port, and a recovery box of a box groove structure fixedly connected with the conveying groove is arranged at the rear end of the belt conveyor.
Preferably, a hydraulic pump station is arranged at the front end of the workbench, and the hydraulic pump station is communicated with the oil cylinder I, the oil cylinder II and the oil cylinder III.
Preferably, the side fixed mounting of workstation has fixing base II of cell body structure, and has the bracing piece at fixing base II internal fixation cartridge, the upper end fixed mounting of bracing piece has the touch panel, and the touch panel is electric connection with hydraulic power unit, band conveyer respectively.
A process of U-shaped ring cold heading special equipment comprises the following steps:
step one: checking and cleaning a workbench, checking whether all parts on the workbench are complete, and cleaning sundries on the workbench to keep the workbench in a clean state;
step two: adjusting the positioning length, and holding the turntable to rotate the positioning screw rod according to the length of the workpiece so as to keep a certain interval between the front end surface of the positioning plate and the rear end surface of the clamping seat;
step three: setting upsetting types, starting a touch panel and a hydraulic pump station, selecting multi-step pier heads on the touch panel, and setting the telescopic lengths and starting sequences of an oil cylinder I, an oil cylinder II and an oil cylinder III;
step four: clamping and positioning the workpiece, putting the heated workpiece between two clamping seats by an operator, operating a touch panel to start automatic machining, and starting an oil cylinder III to push the clamping seats to the middle so that the workpiece is oppositely clamped in a clamping slot;
step five: the method comprises the steps that a workpiece is subjected to one-time heading, an oil cylinder II is started to push a sliding seat in a sliding groove to slide downwards, a heading die at the lowest end of the side face of the sliding seat corresponds to the axis position of the workpiece fixed in the middle of a clamping groove, and then the oil cylinder I is started to push the heading die on a fixing seat I together with a sliding support seat to the head of the workpiece, so that one-time heading is performed on the workpiece;
step six: after the workpiece is subjected to secondary heading, the starting oil cylinder I retracts the heading die on the fixing seat I together with the sliding support seat to the original position, then the starting oil cylinder II enables the heading die at the uppermost end of the side surface of the sliding seat to correspond to the axis position of the workpiece, and the starting oil cylinder I pushes the heading die to the head of the workpiece so as to carry out secondary heading on the workpiece;
step seven: after the secondary pier is completed, the starting oil cylinder I returns the fixing base I together with the sliding supporting seat to the original position, then the starting oil cylinder II returns the pier head die to the original position, the starting oil cylinder III withdraws the clamping seat to two sides, the workpiece falls into the upper end of the material guiding plate from the clamping slot downwards and bounces onto the belt conveyor in the conveying slot body, and the belt conveyor is started to convey the workpiece into the recovery box at the rear end of the belt conveyor.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality and has the following advantages:
1. the hydraulic pump station and the recovery mechanism are controlled by the control mechanism, so that the upsetting mechanism, the clamping mechanism and the recovery mechanism are controlled in a linkage manner, the manual demand is reduced in the whole production process, the automatic production is realized, and the production quality and the production efficiency are improved;
2. in the whole production process of the workpiece, no additional transfer is needed, so that the manual participation is reduced, the safety accident of scalding is avoided, and the safety is high;
3. in the whole process, the steps are simpler, and the control mechanism can be repeatedly processed after the program is set, so that the processing difficulty is greatly reduced.
Drawings
FIG. 1 is an axial side elevational view of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the structure at A-A in FIG. 2;
FIG. 4 is an enlarged schematic view of the partial structure at C in FIG. 3;
FIG. 5 is a left side view of the structure of the present invention;
FIG. 6 is a schematic view of the cross-sectional structure at B-B in FIG. 5;
FIG. 7 is an enlarged schematic view of the partial structure of FIG. 6 at D;
FIG. 8 is an enlarged schematic view of the partial structure at E in FIG. 6;
fig. 9 is an enlarged schematic view of a partial structure at F in fig. 6.
In the figure: 1. a work table; 2. a upsetting mechanism; 3. a clamping mechanism; 4. an axial positioning mechanism; 5. a recovery mechanism; 6. a control mechanism; 7. a hydraulic pump station; 101. a blanking port; 102. a material guide plate; 201. the oil cylinder mounting plate I; 202. an oil cylinder I; 203. a fixed seat I; 204. a sliding support seat; 205. an oil cylinder II; 206. a chute; 207. a slide; 208. pier head mould; 209. a guide groove; 210. a guide block; 211. a slot; 301. the oil cylinder mounting plate II; 302. an oil cylinder III; 303. a clamping seat; 304. clamping the clamping groove; 401. axially positioning the guide plate; 402. positioning the screw sleeve; 403. positioning a screw; 404. a positioning plate; 405. a turntable; 501. a transportation supporting seat I; 502. a conveying trough; 503. a belt conveyor; 504. a recovery box; 601. a fixing seat II; 602. a support rod; 603. a touch panel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 9, the present invention provides a technical solution: the process of the U-shaped ring cold heading special equipment comprises a workbench 1, a upsetting mechanism 2 fixedly installed at the front end of the workbench 1, a clamping mechanism 3 symmetrically installed at the left side and the right side of the workbench 1 and an axial positioning mechanism 4 fixedly installed at the rear end of the workbench 1, wherein the front end of the upsetting mechanism 2 is an oil cylinder installation plate I201 fixedly installed on the upper end surface of the workbench 1, an oil cylinder I202 is fixedly installed at the front end of the oil cylinder installation plate I201, a piston rod of the oil cylinder I202 is fixedly installed on the other side of the oil cylinder installation plate I201, a fixed seat I203 is fixedly installed on the side surface of the fixed seat I203, a sliding support seat 204 is fixedly installed on the side surface of the fixed seat I203, a chute 206 of a chute body structure is arranged on the side surface of the sliding support seat 204, a sliding seat 207 is slidingly provided with a sliding seat 207, the upper end of the sliding support seat 204 is fixedly installed with an oil cylinder II 205, the piston rod of the oil cylinder II 205 penetrates through the upper end surface of the chute 206 and is fixedly connected with the sliding seat 207, and the side surface of the sliding seat 207 is fixedly inserted with a pier head die 208;
the side surface of the clamping mechanism 3 is an oil cylinder mounting plate II 301 fixedly mounted on the left side and the right side of the upper end surface of the workbench 1, an oil cylinder III 302 is fixedly mounted on the outer side surface of the oil cylinder mounting plate II 301, and two clamping seats 303 are oppositely arranged on a piston rod of the oil cylinder III 302 and on the inner side of the oil cylinder mounting plate II 301;
the rear end of the axial positioning mechanism 4 is an axial positioning guide plate 401 fixedly arranged on the upper end face of the workbench 1, a positioning screw sleeve 402 is sleeved in the middle of the axial positioning guide plate 401, a positioning screw 403 is screwed in the middle of the positioning screw sleeve 402, a positioning plate 404 with a plate-shaped structure is fixedly connected to the front end of the positioning screw 403, and a turntable 405 with a disc-shaped structure is fixedly connected to the rear end of the positioning screw 403.
Further, the body of the sliding slot 206 is symmetrically provided with two guiding slots 209 with T-shaped slot structures, and the left side of the sliding seat 207 is symmetrically provided with two guiding blocks 210 which are slidably matched with the guiding slots 209, so that the sliding seat 207 can stably run in the sliding slot 206.
Further, two slots 211 with conical hole structures are arranged on the right side surface of the sliding seat 207, and the slots 211 are inserted with the bottom of the pier head mold 208, so that the pier head mold 208 can be quickly disassembled and replaced on the sliding seat 207.
Further, the inner side surface of the clamping seat 303 is provided with a clamping slot 304 with a slot structure in an opposite direction, the section of the clamping slot 304 is in a V-shaped structure, and the structure ensures that a workpiece can be firmly clamped between the clamping seats 303.
Further, a blanking port 101 is formed between the clamping bases 303 and downwards on the upper end face of the workbench 1, a recovery mechanism 5 is arranged right below the blanking port 101, a conveying supporting base I501 is arranged at the lower end of the recovery mechanism 5, a conveying groove 502 of a groove body structure is formed in the upper end of the conveying supporting base I501, a belt conveyor 503 is fixedly arranged between two side faces of the conveying groove 502, a guide plate 102 is fixedly arranged at the front end of the belt conveyor 503 and on the lower end face of the blanking port 101, a recovery box 504 of a box groove structure fixedly connected with the conveying groove 502 is arranged at the rear end of the belt conveyor 503, and workpieces falling from the blanking port 101 can be conveyed into the recovery box 504 through the belt conveyor 503, so that automatic recovery of the workpieces is achieved.
Further, the front end of the workbench 1 is provided with a hydraulic pump station 7, and the hydraulic pump station 7 is communicated with the oil cylinder I202, the oil cylinder II 205 and the oil cylinder III 302, so that the operation of the oil cylinder I202, the oil cylinder II 205 and the oil cylinder III 302 can be controlled through the hydraulic pump station 7.
Further, a fixing base II 601 of a groove body structure is fixedly arranged on the side face of the workbench 1, a supporting rod 602 is fixedly inserted into the fixing base II 601, a touch panel 603 is fixedly arranged at the upper end of the supporting rod 602, the touch panel 603 is an SS1501 type touch integrated machine, the touch panel 603 is electrically connected with the hydraulic pump station 7 and the belt conveyor 503 respectively, and automatic control of the hydraulic pump station 7 and the belt conveyor 503 is achieved through the touch panel 603.
A process of U-shaped ring cold heading special equipment comprises the following steps:
step one: checking and cleaning a workbench, checking whether all parts on the workbench are complete, and cleaning sundries on the workbench to keep the workbench in a clean state;
step two: adjusting the positioning length, holding the turntable to rotate the positioning screw rod according to the length of the workpiece so as to keep a certain interval distance between the front end surface of the positioning plate and the rear end surface of the clamping seat, and abutting the rear end surface of the workpiece against the front end surface of the positioning plate when the pier head is started, wherein the positioning plate plays an axial positioning role relative to the workpiece;
step three: setting upsetting types, starting a touch panel and a hydraulic pump station, selecting multi-step pier heads on the touch panel, setting the telescopic lengths and starting sequences of an oil cylinder I, an oil cylinder II and an oil cylinder III, and after a program is set, performing idle running firstly to test whether the whole automatic processing program is correct or not, and performing formal processing after the test run is finished;
step four: clamping and positioning the workpiece, wherein an operator puts the heated workpiece between two clamping seats, notices that the center height of the workpiece is consistent with the center height of a clamping slot, the tail of the workpiece is propped against the front end surface of a positioning plate, a touch panel is operated to start automatic machining, and an oil cylinder III is started to push the clamping seats to the middle so that the workpiece is oppositely clamped in the clamping slot;
step five: the method comprises the steps that a workpiece is subjected to one-time pier head, an oil cylinder II is started to push a sliding seat in a sliding groove to slide downwards, a pier head die at the lowest end of the side face of the sliding seat corresponds to the axial position of the workpiece fixed in the middle of a clamping groove, then the oil cylinder I is started to push the pier head die on a fixing seat I together with a sliding support seat to the head of the workpiece, one-time pier head is carried out on the workpiece, and one-time forming of the head of the workpiece in the pier head die is completed;
step six: after the workpiece is subjected to secondary heading, the heading die on the fixing seat I and the sliding support seat are retracted to the original position by the starting oil cylinder I, then the uppermost heading die on the side surface of the sliding seat corresponds to the axis position of the workpiece by the starting oil cylinder II, the starting oil cylinder I pushes the heading die to the head of the workpiece, the workpiece is subjected to secondary heading, and the head of the workpiece is subjected to secondary forming in the heading die;
step seven: after the secondary pier is completed, the starting oil cylinder I returns the fixing base I together with the sliding supporting seat to the original position, then the starting oil cylinder II returns the pier head die to the original position, the starting oil cylinder III withdraws the clamping seat to two sides, the workpiece falls into the upper end of the material guiding plate from the clamping slot downwards and bounces onto the belt conveyor in the conveying slot body, and the belt conveyor is started to convey the workpiece into the recovery box at the rear end of the belt conveyor.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a technology of U type ring cold heading professional equipment, this equipment includes workstation (1), workstation (1) front end fixed mounting's upsetting mechanism (2), clamping mechanism (3) and workstation (1) rear end fixed mounting's axial positioning mechanism (4), its characterized in that of workstation (1) left and right sides symmetry installation: the front end of the upsetting mechanism (2) is an oil cylinder mounting plate I (201) fixedly mounted on the upper end face of the workbench (1), an oil cylinder I (202) is fixedly mounted at the front end of the oil cylinder mounting plate I (201), a fixed seat I (203) is fixedly mounted on a piston rod of the oil cylinder I (202) and on the other side of the oil cylinder mounting plate I (201), a sliding support seat (204) is fixedly mounted on the side face of the fixed seat I (203), a sliding groove (206) of a groove body structure is formed in the side face of the sliding support seat (204), a sliding seat (207) is slidably arranged in a groove body of the sliding groove (206), an oil cylinder II (205) is fixedly mounted at the upper end of the sliding support seat (204), and a piston rod of the oil cylinder II (205) penetrates through the upper end face of the sliding groove (206) and is fixed with the sliding seat (207), and a pier head die (208) is fixedly inserted in the side face of the sliding seat (207).
The side surface of the clamping mechanism (3) is an oil cylinder mounting plate II (301) fixedly mounted on the left side and the right side of the upper end surface of the workbench (1), an oil cylinder III (302) is fixedly mounted on the outer side surface of the oil cylinder mounting plate II (301), and two clamping seats (303) are oppositely arranged on a piston rod of the oil cylinder III (302) and on the inner side of the oil cylinder mounting plate II (301);
the rear end of the axial positioning mechanism (4) is an axial positioning guide plate (401) fixedly arranged on the upper end face of the workbench (1), a positioning screw sleeve (402) is sleeved in the middle of the axial positioning guide plate (401), a positioning screw (403) is screwed in the middle of the positioning screw sleeve (402), a positioning plate (404) with a plate-shaped structure is fixedly connected to the front end of the positioning screw (403), and a turntable (405) with a disc-shaped structure is fixedly connected to the rear end of the positioning screw (403);
a clamping slot (304) with a slot body structure is formed in the inner side surface of the clamping seat (303) in an opposite direction, and the section of the clamping slot (304) is of a V-shaped structure;
a blanking port (101) is formed between the clamping bases (303) and downwards on the upper end face of the workbench (1), a recovery mechanism (5) is arranged right below the blanking port (101), a conveying support base I (501) is arranged at the lower end of the recovery mechanism (5), a conveying groove (502) of a groove body structure is formed in the upper end of the conveying support base I (501), a belt conveyor (503) is fixedly arranged between two side faces of the conveying groove (502), a guide plate (102) is fixedly arranged at the front end of the belt conveyor (503) and on the lower end face of the blanking port (101), and a recovery box (504) of a box groove structure fixedly connected with the conveying groove (502) is arranged at the rear end of the belt conveyor (503);
the front end of the workbench (1) is provided with a hydraulic pump station (7), and the hydraulic pump station (7) is communicated with an oil cylinder I (202), an oil cylinder II (205) and an oil cylinder III (302);
a fixed seat II (601) of a groove body structure is fixedly arranged on the side surface of the workbench (1), a supporting rod (602) is fixedly inserted into the fixed seat II (601), a touch panel (603) is fixedly arranged at the upper end of the supporting rod (602), and the touch panel (603) is respectively and electrically connected with a hydraulic pump station (7) and a belt conveyor (503);
the cold heading process adopting the special equipment comprises the following steps of:
step one: checking and cleaning a workbench, checking whether all parts on the workbench are complete, and cleaning sundries on the workbench to keep the workbench in a clean state;
step two: adjusting the positioning length, and holding the turntable to rotate the positioning screw rod according to the length of the workpiece so as to keep a certain interval between the front end surface of the positioning plate and the rear end surface of the clamping seat;
step three: setting upsetting types, starting a touch panel and a hydraulic pump station, selecting multi-step pier heads on the touch panel, and setting the telescopic lengths and starting sequences of an oil cylinder I, an oil cylinder II and an oil cylinder III;
step four: clamping and positioning the workpiece, putting the heated workpiece between two clamping seats by an operator, operating a touch panel to start automatic machining, and starting an oil cylinder III to push the clamping seats to the middle so that the workpiece is oppositely clamped in a clamping slot;
step five: the method comprises the steps that a workpiece is subjected to one-time heading, an oil cylinder II is started to push a sliding seat in a sliding groove to slide downwards, a heading die at the lowest end of the side face of the sliding seat corresponds to the axis position of the workpiece fixed in the middle of a clamping groove, and then the oil cylinder I is started to push the heading die on a fixing seat I together with a sliding support seat to the head of the workpiece, so that one-time heading is performed on the workpiece;
step six: after the workpiece is subjected to secondary heading, the starting oil cylinder I retracts the heading die on the fixing seat I together with the sliding support seat to the original position, then the starting oil cylinder II enables the heading die at the uppermost end of the side surface of the sliding seat to correspond to the axis position of the workpiece, and the starting oil cylinder I pushes the heading die to the head of the workpiece so as to carry out secondary heading on the workpiece;
step seven: after the secondary pier is completed, the starting oil cylinder I returns the fixing base I together with the sliding supporting seat to the original position, then the starting oil cylinder II returns the pier head die to the original position, the starting oil cylinder III withdraws the clamping seat to two sides, the workpiece falls into the upper end of the material guiding plate from the clamping slot downwards and bounces onto the belt conveyor in the conveying slot body, and the belt conveyor is started to convey the workpiece into the recovery box at the rear end of the belt conveyor.
2. The process of the special U-shaped ring cold heading equipment according to claim 1, which is characterized in that: the chute body of the chute (206) is provided with two guide grooves (209) with T-shaped chute body structures in bilateral symmetry, and the left side of the sliding seat (207) is provided with two guide blocks (210) which are matched with the guide grooves (209) in a sliding way in bilateral symmetry.
3. The process of the special U-shaped ring cold heading equipment according to claim 1, which is characterized in that: the right side surface of the sliding seat (207) is provided with two inserting slots (211) with conical hole type structures, and the inserting slots (211) are inserted with the bottom of the pier head die (208).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910264005.8A CN109822031B (en) | 2019-04-03 | 2019-04-03 | Process of U-shaped ring cold heading special equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910264005.8A CN109822031B (en) | 2019-04-03 | 2019-04-03 | Process of U-shaped ring cold heading special equipment |
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| CN109822031A CN109822031A (en) | 2019-05-31 |
| CN109822031B true CN109822031B (en) | 2023-11-10 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112317669B (en) * | 2020-11-04 | 2022-08-09 | 慈溪市嘉实机械有限公司 | Upset clamping machinery mechanism of cold-heading make-up machine |
| CN112642980B (en) * | 2020-12-28 | 2022-07-05 | 柳州市荆大汽车制动管制造有限公司 | Full-automatic cold heading machine |
| CN113909405B (en) * | 2021-08-30 | 2022-07-26 | 江苏玖泰电力实业有限公司 | A hydraulic pressure pier nose machine that is used for automatic stirring function that has of cement pole production |
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| CN109175182A (en) * | 2018-08-24 | 2019-01-11 | 李诗颖 | A kind of metal forming machinery device with multi-faceted cleaning classification waste material |
| CN109332563A (en) * | 2018-11-30 | 2019-02-15 | 中冶建工集团有限公司 | A kind of upset electrode drive structure in reinforcing bar head |
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| CN106623559A (en) * | 2017-01-20 | 2017-05-10 | 黄调久 | Automatic upsetting machine for water pipe of heat exchanger |
| CN106670366A (en) * | 2017-01-23 | 2017-05-17 | 中国铁建重工集团有限公司 | Local upsetting device and upsetting method for steel rail |
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| CN107584060A (en) * | 2017-09-18 | 2018-01-16 | 广州长仁工业科技有限公司 | A kind of high-speed hydraulic ball upsetting machine |
| CN108607944A (en) * | 2018-06-06 | 2018-10-02 | 南京大吉铁塔制造有限公司 | A kind of packaging bolt pier head machine |
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| CN109332563A (en) * | 2018-11-30 | 2019-02-15 | 中冶建工集团有限公司 | A kind of upset electrode drive structure in reinforcing bar head |
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