CN113118371B - Crankshaft forging turnover device of die forging press - Google Patents
Crankshaft forging turnover device of die forging press Download PDFInfo
- Publication number
- CN113118371B CN113118371B CN202110403401.1A CN202110403401A CN113118371B CN 113118371 B CN113118371 B CN 113118371B CN 202110403401 A CN202110403401 A CN 202110403401A CN 113118371 B CN113118371 B CN 113118371B
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- China
- Prior art keywords
- cylinder
- forging
- top plate
- crankshaft
- bedplate
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- 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
- B21K1/06—Making machine elements axles or shafts
- B21K1/08—Making machine elements axles or shafts crankshafts
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- 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
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a crankshaft forge piece overturning device of a die forging press, wherein a V-shaped supporting block is arranged on an upper bedplate of a frame; the lower bedplate is provided with a cylinder, and a piston rod of the cylinder is connected with the top plate; the top plate is provided with an ejection V-shaped block; the two sides of the cylinder are symmetrically provided with guide pillars and guide sleeves, and the induction switch, the travel switch, the air inlet pipe of the cylinder and the electromagnetic directional valve on the air outlet pipe of the cylinder are all connected with the operating platform; the invention has the advantages that: the device of the hot bent axle forging of adoption upset can realize the bent axle high-efficiently, accurately and overturn to required position, avoids artifical upset low efficiency of operation, has improved the operation security, has reduced operator's intensity of labour, has improved work efficiency, has guaranteed that the robot stably, accurately snatchs the hot forging from the roll-over stand, puts into the correction die cavity and carries out the plastic, has improved the quality and the size precision of forging plastic.
Description
Technical Field
The invention relates to the field of machinery, in particular to a crankshaft positioning device.
Background
The large die forging press has high production efficiency, the quality and the dimensional accuracy of the produced forgings are high, and the consistency is good; with the increasingly strict requirements of the host market at home and abroad on the quality of crankshafts, die forging and forming of the crankshafts of the locomotives are gradually replaced by a production line of a large-scale hot die forging press. The production takt time of the large die forging press forge piece is only 85-130 seconds per forge piece, the temperature of the hot forge piece after trimming is more than 1000 ℃, the hot forge piece is transported between the trimming and correcting processes, and the hot forge piece is rapidly grabbed by respectively equipped robots; meanwhile, on one hand, in order to avoid the deformation of the hot forging piece from bending, the flange end of the suspension crankshaft is used for air cooling after correction is realized, and the crankshaft correction cavity is in a structure that a specific crank is arranged in a 180-degree manner in the direction of the trimming die cavity; on the other hand, after trimming, the forged piece needs to be printed with marks such as serial numbers, so that the crankshaft hot forged piece needs to be turned to a position with a specific crank throw facing upwards between trimming and correcting procedures; in the prior art, the forge piece is manually turned by means of a tool, and because the temperature of the forge piece is high in a hot state, an operator needs to clamp a shaft neck by using a clamping tool for turning, the safety coefficient is low, the consistency of the turning direction is poor, the manual speed is low, and the precision of a robot influencing a correction process catches the forge piece and puts the forge piece into a correction die cavity, so that the hot forge piece is not consistent with the correction die cavity, and the shaping of the forge piece is influenced; meanwhile, the marking quality is also influenced due to the inaccuracy of the manual overturning position.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a turnover device which is used for placing a medium-large six-cylinder crankshaft hot forging into a correction die cavity by a robot and turning over a crankshaft for printing serial numbers conveniently; the specific technical scheme is as follows:
a crankshaft forge piece overturning device of a die forging press comprises a rack, wherein a first slideway is arranged on an upper platen of the rack, a connecting seat is arranged on the first slideway, and a V-shaped supporting block is fixedly connected to the connecting seat; the lower bedplate is provided with a cylinder, and a piston rod of the cylinder is connected with the top plate; a second slideway is arranged on the top plate, and the ejection V-shaped block is arranged on the second slideway;
the two sides of the cylinder are symmetrically provided with clamping sleeves, the upper ends of the clamping sleeves are connected with the top plate, and the clamping sleeves are sleeved at the upper ends of the guide pillars; the guide pillar is matched with the guide sleeve, and the guide sleeve is fixed on the lower bedplate; the lower end of the upper bedplate is provided with a travel switch bracket and an inductive switch bracket; the two travel switches are respectively arranged above and below the travel switch bracket; the inductive switch is arranged on the inductive switch bracket; the induction switch, the travel switch, the air cylinder air inlet pipe and the electromagnetic directional valve on the air cylinder air outlet pipe are all connected with the operating platform; the V-shaped supporting blocks are supported at two ends of the crankshaft, and the V-shaped ejection blocks correspond to the specific crank throw; setting the position of the V-shaped supporting block on the upper bedplate according to the length of the crankshaft; the ejection height of the ejection V-shaped block is determined according to the radius of the specific crank.
A sleeve is arranged outside the guide sleeve; the top plate is fixedly connected with the jacket, and a protective sleeve is arranged between the sleeve and the jacket; the upper end of the cylinder is provided with a support frame, the upper end of the support frame is provided with a through hole, and a piston rod of the cylinder penetrates through the through hole; the two sides of the supporting frame are fixed with the sleeve.
The piston rod of the cylinder is connected with the connector, the connector is connected with the lower part of the joint, and the upper part of the joint is connected with the top plate.
The upper bedplate is rectangular frame-shaped, and the top plate is arranged in the middle rectangular hole.
The invention has the advantages that: the device of the hot bent axle forging of adoption upset can realize the bent axle high-efficiently, accurately and overturn to required position, avoids artifical upset low efficiency of operation, has improved the operation security, has reduced operator's intensity of labour, has improved work efficiency, has guaranteed that the robot stably, accurately snatchs the hot forging from the roll-over stand, puts into the correction die cavity and carries out the plastic, has improved the quality and the size precision of forging plastic.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a top view of fig. 1 with the bell crank removed.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings, in which, as shown in the drawings, 1 the invention comprises a frame 1,
a first slideway is arranged on an upper bedplate 8 of the frame 1, a connecting seat 9 is arranged on the first slideway, and a V-shaped supporting block 10 is fixedly connected to the connecting seat 9; the first slide way is a dovetail groove along the left-right direction of the drawing 1, the lower end of the connecting seat 9 is provided with a trapezoidal convex part, the trapezoidal convex part is inserted into the dovetail groove and is fixed by a bolt, and the position of the connecting seat can be adjusted according to the length of the crankshaft;
the lower bedplate 21 is provided with a cylinder 19, and a piston rod of the cylinder is connected with the top plate 16; the upper bedplate 8 is rectangular frame-shaped, the left side and the right side of the upper bedplate are longer, and a first slideway is arranged on the upper bedplate; the top plate 16 is disposed within the central rectangular aperture of the rectangular frame.
A second slideway is arranged on the top plate, and the ejection V-shaped block 12 is arranged on the second slideway; the structure of the second slideway is the same as that of the first slideway;
in order to prevent inclination and guidance, the two sides of the cylinder are symmetrically provided with clamping sleeves 11, the upper ends of the clamping sleeves 11 are connected with a top plate 16 through bolts, and the clamping sleeves 11 are sleeved at the upper ends of the guide pillars 3; the guide post 3 is matched with the guide sleeve 2, and the guide sleeve 2 is fixed on the lower bedplate 21; in order to prevent instability, a support frame 22 is arranged at the upper end of the air cylinder, the support frame 22 is of a frame structure, a through hole is formed in the end part of the upper end, the inner diameter of the through hole is matched with a piston rod of the air cylinder, the piston rod penetrates through the through hole, and the instability of the piston rod is avoided by utilizing the through hole; the two sides of the support frame are fixed with the sleeve, and the stability of the guide sleeve is also ensured. The support frame is fixed on the cylinder body of the cylinder through a bolt; the cylinder is embedded into the through hole of the lower bedplate and is fixed by the bolt.
In order to control the rising height of the top plate, a travel switch bracket 6 and an inductive switch bracket 7 are arranged at the lower end of the upper bedplate; the two travel switches 5 are respectively arranged above and below the travel switch bracket; the inductive switch is arranged on the inductive switch bracket; the induction switch, the travel switch, the air cylinder air inlet pipe and the electromagnetic directional valve on the air cylinder air outlet pipe are all connected with the operating platform; the rising height of the top plate is detected in real time through the inductive switch, and the final rising height of the top plate is controlled through the travel switch;
the V-shaped supporting blocks are supported at two ends of the crankshaft, and the V-shaped ejection blocks correspond to the specific crank throw;
setting the position of the V-shaped supporting block on the upper bedplate according to the length of the crankshaft; the ejection height of the ejection V-shaped block is determined according to the radius of the specific crank throw, and the position of the travel switch can be adjusted so as to be matched with the lifting height of the top plate.
In order to increase the strength, a sleeve 4 is arranged outside the guide sleeve 2, and the sleeve 4 is cylindrical and is welded and fixed on the lower bedplate 21; the top plate is fixedly connected with the jacket through a bolt; and hot slag of the forge piece is prevented from falling into the sleeve, a protecting sleeve 17 is arranged between the sleeve and the jacket, and the protecting sleeve is fixed on the outer side of the upper part of the sleeve 4 through a hose clamp 18.
The preferable connection mode of the cylinder and the top plate is as follows: the piston rod of the cylinder is connected with a connector 15, the connector 15 is connected with the lower part of the joint 14, and the upper part of the joint 14 is connected with a top plate 16.
When a crankshaft product is produced, the positions of the supporting V-shaped block 10 and the ejecting V-shaped block 12 are adjusted according to the positions of main shafts at two ends of the crankshaft and the specific crank throw 20, and the stroke of the ejecting V-shaped block is adjusted according to the radius of a crank at the specific crank throw. When the trimmed hot forging piece is grabbed onto a supporting V-shaped block 10 of the turnover frame by a trimming robot, an operator starts a button on an operation table, an electromagnetic reversing valve connected with the button is opened, gas enters a cylinder to drive a piston to move upwards, an ejection V-shaped block 12 which is connected to the piston and fixed on a top plate 16 rotates the crankshaft forging piece to a specific crank upward position, and the robot grabs the crankshaft and accurately places the crankshaft into a lower die of a cavity of a correction die to perform a shaping process; an operator controls the electric button, the electromagnetic reversing valve is closed, gas is discharged, the ejection V-shaped block resets along with the falling of the piston in the cylinder, and the next crankshaft forging piece is placed.
Claims (3)
1. The utility model provides a bent axle forging turning device of die forging press, includes the frame, its characterized in that:
in order to ensure that the hot forging piece of the crankshaft is turned to a position where a specific crank throw is upward between the trimming and the correcting process;
a first slideway is arranged on an upper bedplate of the rack, a connecting seat is arranged on the first slideway, and a V-shaped supporting block is fixedly connected to the connecting seat; the lower bedplate is provided with a cylinder, and a piston rod of the cylinder is connected with the top plate; a second slide way is arranged on the top plate, and the ejection V-shaped block is arranged on the second slide way;
the two sides of the cylinder are symmetrically provided with clamping sleeves, the upper ends of the clamping sleeves are connected with the top plate, and the clamping sleeves are sleeved at the upper ends of the guide pillars; the guide post is matched with the guide sleeve, and the guide sleeve is fixed on the lower bedplate;
a sleeve is arranged outside the guide sleeve; the top plate is fixedly connected with the jacket, and a protective sleeve is arranged between the sleeve and the jacket; the upper end of the cylinder is provided with a support frame, the upper end of the support frame is provided with a through hole, and a piston rod of the cylinder penetrates through the through hole; two sides of the support frame are fixed with the sleeve;
the lower end of the upper bedplate is provided with a travel switch bracket and an induction switch bracket; the two travel switches are respectively arranged above and below the travel switch bracket; the inductive switch is arranged on the inductive switch bracket; the induction switch, the travel switch, the air cylinder air inlet pipe and the electromagnetic directional valve on the air cylinder air outlet pipe are all connected with the operating platform;
the V-shaped supporting blocks are supported at two ends of the crankshaft, and the V-shaped ejection blocks correspond to the specific crank throw; setting the position of the V-shaped supporting block on the upper bedplate according to the length of the crankshaft; determining the ejection height of the ejected V-shaped block according to the radius of the specific crank;
the first slide way is a dovetail groove, a trapezoidal convex part is arranged at the lower end of the connecting seat, the trapezoidal convex part is inserted into the dovetail groove and is fixed by bolts, and then the position of the connecting seat can be adjusted according to the length of the crankshaft.
2. The crankshaft forging flipping arrangement of the swaging press of claim 1, wherein: the piston rod of the cylinder is connected with the connector, the connector is connected with the lower part of the joint, and the upper part of the joint is connected with the top plate.
3. The crankshaft forging flipping arrangement of the swaging press of claim 1, wherein: the upper bedplate is rectangular frame-shaped, and the top plate is arranged in the middle rectangular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403401.1A CN113118371B (en) | 2021-04-15 | 2021-04-15 | Crankshaft forging turnover device of die forging press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403401.1A CN113118371B (en) | 2021-04-15 | 2021-04-15 | Crankshaft forging turnover device of die forging press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113118371A CN113118371A (en) | 2021-07-16 |
| CN113118371B true CN113118371B (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110403401.1A Active CN113118371B (en) | 2021-04-15 | 2021-04-15 | Crankshaft forging turnover device of die forging press |
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| Country | Link |
|---|---|
| CN (1) | CN113118371B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2008799A1 (en) * | 2007-06-28 | 2008-12-31 | Bruderer Ag | Die cutting press |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368689A (en) * | 2014-11-19 | 2015-02-25 | 辽宁五一八内燃机配件有限公司 | Composite die for crankshaft forge pieces |
| CN205845769U (en) * | 2016-06-21 | 2016-12-28 | 吴中区木渎蒯斌模具加工厂 | The packing ring turning device of travel switch contact part kludge |
| CN109570278B (en) * | 2017-09-28 | 2021-01-08 | 辽宁五一八内燃机配件有限公司 | Large-scale crankshaft thermal correction method and device |
| CN208117714U (en) * | 2018-03-07 | 2018-11-20 | 内江金鸿曲轴有限公司 | One kind is from dynamic pressure key machine |
| CN208178354U (en) * | 2018-04-03 | 2018-12-04 | 青岛宏达锻压机械有限公司 | Fly press bottom ejection device |
| CN212682332U (en) * | 2019-02-15 | 2021-03-12 | 中信戴卡股份有限公司 | Forging die overturning and lifting device |
-
2021
- 2021-04-15 CN CN202110403401.1A patent/CN113118371B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2008799A1 (en) * | 2007-06-28 | 2008-12-31 | Bruderer Ag | Die cutting press |
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| CN113118371A (en) | 2021-07-16 |
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