CN106363045B - Half-shaft thermal straightening machine for vehicle - Google Patents
Half-shaft thermal straightening machine for vehicle Download PDFInfo
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- CN106363045B CN106363045B CN201510376371.4A CN201510376371A CN106363045B CN 106363045 B CN106363045 B CN 106363045B CN 201510376371 A CN201510376371 A CN 201510376371A CN 106363045 B CN106363045 B CN 106363045B
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Abstract
The invention discloses a half shaft thermal straightening machine for a vehicle, which is characterized in that: the hydraulic press comprises a machine body and hydraulic cylinders installed on the machine body, wherein the machine body comprises square fixing plates at two ends and four mounting plates which are uniformly fixed on four corners of each square fixing plate, piston rods of the hydraulic cylinders penetrate through the machine body and are connected with sliders, the sliders fixed on the piston rods of the hydraulic cylinders on each mounting plate are combined together to form a round hole, a hydraulic jacking cylinder is installed on the upper end fixing plate, the piston rods of the hydraulic jacking cylinders penetrate through the fixing plates and are provided with disc part molds, hydraulic press cylinders are fixedly installed on the fixing plates at the lower ends of the piston rods, the hydraulic press cylinders and the hydraulic jacking cylinders are located at the central positions of the fixing plates, and the hydraulic cylinders, the hydraulic. The straightener ensures the straightness of the half shaft, improves the qualification rate and the production efficiency of products, and has the advantages of simple structure, easy operation and convenient wide use.
Description
Technical Field
The invention belongs to mechanical equipment, and particularly relates to a thermal straightening machine for a half shaft for a vehicle.
Background
The existing half shaft for the vehicle is straightened on straightness by beating or straightening by using a V-shaped plate, but the straightening method has inaccuracy and cannot ensure that the rod part of the half shaft is positioned at the central position of the disc part, so that a part of the half shaft is possibly machined more during machining, a part of the half shaft is machined less, a cutter is easily damaged or waste products are directly produced, the one-time qualification rate of products is reduced, and the production efficiency is also reduced.
Disclosure of Invention
In view of the problems, the invention provides a thermal straightening machine for a vehicle half shaft, which has the advantages of simple structure, flexible operation, good straightening effect of the half shaft and the like.
The utility model provides a hot straightener of half axle for vehicle which characterized in that: the hydraulic press comprises a machine body and hydraulic cylinders installed on the machine body, wherein the machine body comprises square fixing plates at two ends and four mounting plates which are uniformly fixed on four corners of each square fixing plate, piston rods of the hydraulic cylinders penetrate through the machine body and are connected with sliders, the sliders fixed on the piston rods of the hydraulic cylinders on each mounting plate are combined together to form a round hole, a hydraulic jacking cylinder is installed on the upper end fixing plate, the piston rods of the hydraulic jacking cylinders penetrate through the fixing plates and are provided with disc part molds, hydraulic press cylinders are fixedly installed on the fixing plates at the lower ends of the piston rods, the hydraulic press cylinders and the hydraulic jacking cylinders are located at the central positions of the fixing plates, and the hydraulic cylinders, the hydraulic. The technical scheme has the advantages that the half shaft needing to be straightened is placed into the straightening machine under the condition of residual temperature through the sliding block and the hydraulic oil cylinder, the hydraulic oil cylinder is started to drive the hydraulic oil cylinder to be synchronously pressed towards the center, the rod part of the half shaft is pressed at the central position due to synchronous action, the disc part of the half shaft is fixed through the die, the disc part can be simultaneously corrected, the rod part is located at the central position of the disc part, the straightness of the rod part of the half shaft and the central position of the rod part at the disc part are guaranteed, and the improvement of the production efficiency is guaranteed while the qualification rate of products is guaranteed.
Further: three hydraulic oil cylinders are uniformly arranged on the mounting plate in the length direction, and a piston rod of each oil cylinder is fixedly connected with the sliding block. The technical scheme has the advantages that the three hydraulic oil cylinders can uniformly distribute pressure on the sliding block, so that the force of the hydraulic oil cylinders is uniformly pressed on the rod part of the half shaft, and the straightness of the rod part is ensured.
Further: and a cylindrical guide rod is arranged on the side of each hydraulic cylinder and penetrates through the mounting plate to be fixedly connected with the sliding block. The technical scheme has the advantages of ensuring the guide precision of the sliding block and preventing the straightening sliding block from rotating when receiving unbalance loading.
Further: the sliding block side is provided with a sliding groove which is matched with a linear guide rail arranged on the fixed plate. The technical scheme has the advantage of ensuring the free movement of the sliding block.
Further: and a quenching plate is arranged on the end face of the piston rod of the hydraulic jacking cylinder and detachably connected with the piston rod. The technical scheme is mainly that different molds can be replaced for correction according to the diameters of the disc parts of different half shafts.
Advantageous effects
The invention has the beneficial effects that: by using the straightening machine, the straightness of the half shaft can be ensured, the rod part of the half shaft can be ensured to be positioned at the center of the disc part of the half shaft, the rejection rate of products is reduced, the qualification rate and the production efficiency of the products are improved, and the straightening machine is simple in structure, easy to operate and convenient to widely use.
Drawings
Fig. 1 is a schematic view of the structure of the straightener of the present invention,
fig. 2 is a schematic perspective view of the present invention.
Detailed Description
As an embodiment of the present invention, as shown in fig. 1 and 2, a thermal straightening machine for a vehicle half shaft is characterized in that: the hydraulic cylinder comprises a machine body and 2 hydraulic cylinders arranged on the machine body, wherein the machine body comprises square fixing plates at two ends and four mounting plates 3 which are uniformly fixed on four corners of the square fixing plates, a piston rod of the hydraulic cylinder penetrates through the machine body to be connected with sliding blocks 9, and each sliding block is identical. The hydraulic cylinder on each mounting plate is provided with a piston rod, a fixed slide block is combined together to form a round hole, a hydraulic jacking cylinder 5 is mounted on an upper end fixing plate 1, the piston rod of the hydraulic jacking cylinder penetrates through a fixing plate, a disc part mold is arranged on the piston rod, a hydraulic pressure cylinder 6 is fixedly mounted on a fixing plate 4 at the lower end, the hydraulic pressure cylinder and the hydraulic jacking cylinder are both located at the center of the fixing plate, and the hydraulic cylinder, the hydraulic jacking cylinder and the hydraulic pressure cylinder are both connected with a hydraulic press. The fuselage adopts components of a whole that can function independently frame steel sheet welding, the welding adopts carbon dioxide gas shielded welding, internal stress is eliminated after the welding, the slider is the arc structure, four arc structure's slider folds and forms a round hole together, guaranteed to reach the purpose of alignment with the pole portion of semi-axis under the high residual temperature condition, in order to prevent its bounce-back, after the alignment, keep hydraulic cylinder's pressure to maintain certain time, treat to cool off steadily and carry out next round of alignment, the top jar in this structure mainly is ejecting with the semi-axis after the alignment, be convenient for take out the semi-axis. The technical scheme has the advantages that the half shaft needing to be straightened is placed into the straightening machine under the condition of residual temperature through the sliding block and the hydraulic oil cylinder, the hydraulic oil cylinder is started to drive the hydraulic oil cylinder to be synchronously pressed towards the center, the rod part of the half shaft is pressed at the central position due to synchronous action, the disc part of the half shaft is fixed through the die, the disc part can be simultaneously corrected, the rod part is located at the central position of the disc part, the straightness of the rod part of the half shaft and the central position of the rod part at the disc part are guaranteed, and the improvement of the production efficiency is guaranteed while the qualification rate of products is guaranteed.
In this embodiment: three hydraulic cylinders are evenly arranged on the mounting plate in the length direction, a piston rod of each hydraulic cylinder is fixedly connected with a sliding block, the straightening machine adopts four surfaces, each surface is provided with 3 hydraulic piston type cylinders, the cylinders are fixedly connected with the machine body through flange plates, the cylinder body adopts No. 35 forged pieces, and the piston rods adopt No. 45 forged steel. The technical scheme has the advantages that the three hydraulic oil cylinders can uniformly distribute pressure on the sliding block, so that the force of the hydraulic oil cylinders is uniformly pressed on the rod part of the half shaft, and the straightness of the rod part is ensured.
In this embodiment: and a cylindrical guide rod 7 is arranged on the side of each hydraulic cylinder, and the cylindrical guide rod penetrates through the mounting plate to be fixedly connected with the sliding block. The technical scheme has the advantages of ensuring the guide precision of the sliding block and preventing the straightening sliding block from rotating when receiving unbalance loading.
In this embodiment: a sliding groove is arranged at the side of the sliding block and is matched with a linear guide rail 8 arranged on the fixed plate. The technical proposal has the advantages that the sliding block can move freely,
in this embodiment: and a quenching plate is arranged on the end face of the piston rod of the hydraulic jacking cylinder and detachably connected with the piston rod. The technical scheme is mainly that different molds can be replaced for correction according to the diameters of the disc parts of different half shafts.
Claims (3)
1. The utility model provides a hot straightener of half axle for vehicle which characterized in that: the hydraulic lifting device comprises a machine body and hydraulic cylinders which are arranged on the machine body and are synchronously pressed towards the center, wherein the machine body comprises square fixing plates at two ends and four mounting plates which are uniformly fixed on four corners of each square fixing plate;
three hydraulic oil cylinders are uniformly arranged on the mounting plate in the length direction, and a piston rod of each oil cylinder is fixedly connected with a sliding block;
and a cylindrical guide rod is arranged on the side of each hydraulic cylinder and penetrates through the mounting plate to be fixedly connected with the sliding block.
2. The thermal straightening machine for the half shafts of the vehicle as claimed in claim 1, wherein: the sliding block side is provided with a sliding groove which is matched with a linear guide rail arranged on the fixed plate.
3. The thermal straightening machine for the half shafts of the vehicle as claimed in claim 1, wherein: and a quenching plate is arranged on the end face of the piston rod of the hydraulic jacking cylinder and detachably connected with the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376371.4A CN106363045B (en) | 2015-07-01 | 2015-07-01 | Half-shaft thermal straightening machine for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376371.4A CN106363045B (en) | 2015-07-01 | 2015-07-01 | Half-shaft thermal straightening machine for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106363045A CN106363045A (en) | 2017-02-01 |
| CN106363045B true CN106363045B (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510376371.4A Active CN106363045B (en) | 2015-07-01 | 2015-07-01 | Half-shaft thermal straightening machine for vehicle |
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| CN (1) | CN106363045B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246922A (en) * | 2018-03-01 | 2018-07-06 | 芜湖市海联机械设备有限公司 | A kind of circle material straightening cutting machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1829626B1 (en) * | 2006-03-04 | 2009-02-04 | EISENBAU KRÄMER mbH | Straightener |
| CN102056687A (en) * | 2008-06-06 | 2011-05-11 | 艾森鲍.克莱默有限责任公司 | Method for producing a large steel tube |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4001901A1 (en) * | 1990-01-19 | 1991-07-25 | Mannesmann Ag | End straightening mechanism for pipes etc. - has several sliding rams, radially movable about common axis |
| CN201744526U (en) * | 2010-05-21 | 2011-02-16 | 中国石油化工股份有限公司 | Shaping and correcting device of heterotypic sectional corrugated pipe |
| CN203621152U (en) * | 2013-11-29 | 2014-06-04 | 湘潭电气设备制造有限责任公司 | R type transformer iron core shaping machine |
| CN203791409U (en) * | 2014-04-15 | 2014-08-27 | 中国重型机械研究院股份公司 | Four-side pressure straightening mechanism |
-
2015
- 2015-07-01 CN CN201510376371.4A patent/CN106363045B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1829626B1 (en) * | 2006-03-04 | 2009-02-04 | EISENBAU KRÄMER mbH | Straightener |
| CN102056687A (en) * | 2008-06-06 | 2011-05-11 | 艾森鲍.克莱默有限责任公司 | Method for producing a large steel tube |
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| CN106363045A (en) | 2017-02-01 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 401420 Chongqing city Qijiang District South Street Jinfu Road No. 3 Applicant after: Chongqing Jingjiang automobile axle Limited by Share Ltd Address before: 401420 Qijiang City Industrial Park, A District, Chongqing Applicant before: Chongqing Jingjiang Automobile Axle Co.,Ltd. |
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| GR01 | Patent grant |