CN109352427B - Axle cross axle production line - Google Patents
Axle cross axle production lineInfo
- Publication number
- CN109352427B CN109352427B CN201811520464.XA CN201811520464A CN109352427B CN 109352427 B CN109352427 B CN 109352427B CN 201811520464 A CN201811520464 A CN 201811520464A CN 109352427 B CN109352427 B CN 109352427B
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- China
- Prior art keywords
- station
- driven shaft
- shaft
- drilling
- positioning table
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000003754 machining Methods 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000005242 forging Methods 0.000 claims abstract description 12
- 238000005553 drilling Methods 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 238000010924 continuous production Methods 0.000 abstract description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Abstract
The invention discloses a production line of an axle cross shaft, which comprises a blank forging station, a deburring station, a heat treatment station, a central hole machining station, an outer circle machining station and a fine grinding station, wherein the blank forging station, the deburring station, the heat treatment station, the central hole machining station, the outer circle machining station and the fine grinding station are sequentially connected through an automatic conveying device, when the cross shaft completes one procedure, the cross shaft is placed at a feeding position of the automatic conveying device, a sensor detects the cross shaft and then conveys signals to a controller, the controller controls a driving mechanism to operate, a driving shaft is driven to rotate, and the driving shaft drives a conveying net belt to operate for a set time, so that the cross shaft is conveyed to the next station. Through setting up automatic conveyor between each station, can realize the automatic conveying of cross, do not need the manual work to transport, reduce workman's intensity of labour, improve production efficiency, can make things convenient for the large batch continuous production of cross.
Description
Technical Field
The invention belongs to the field of cross shaft production equipment, and particularly relates to a production line of an axle cross shaft.
Background
The cross axle is also called universal joint, and is a mechanism for realizing variable-angle power transmission, and is used for changing the position of transmission axis direction, and is a joint component of universal transmission device of automobile driving system.
The precision requirement of the cross axle is higher, and the processing process is generally as follows: the blank forging, deburring, heat treatment, drilling, excircle machining and fine grinding are carried out at special stations, at present, equipment of factories is arranged separately, different types of equipment are located at different positions of workshops, after one process is finished, parts are transported to the next process by adopting manpower or a cart, a travelling crane and the like, and the efficiency is low.
The product demand of cross axle is big, needs mass production, and the equipment dispersion in current workshop is arranged, and the transportation of part increases workman's intensity of labour, influences the production efficiency of cross axle.
Disclosure of Invention
The invention aims to provide a production line of an axle cross shaft, which integrates various devices into a continuous production line, can automatically convey parts to the next process after one process is finished, does not need manual conveying, reduces the labor intensity of workers, improves the production efficiency, and can facilitate the mass continuous production of the cross shaft.
The purpose of the invention is realized in the following way: the production line of the axle cross shaft comprises a blank forging station, a deburring station, a heat treatment station, a center hole processing station, an excircle processing station and a fine grinding station,
The blank forging station, the deburring station, the heat treatment station, the center hole machining station, the outer circle machining station and the fine grinding station are sequentially connected through an automatic conveying device;
The automatic conveying device comprises a driving mechanism, a conveying mesh belt, a driving shaft, a first driven shaft, a second driven shaft, a third driven shaft and a controller, wherein the driving shaft and the first driven shaft are positioned at the same height, the second driven shaft and the third driven shaft are respectively positioned above the first driven shaft and the driving shaft, and the distance from the second driven shaft to the third driven shaft is smaller than the distance from the driving shaft to the first driven shaft; the driving shaft is connected with the driving mechanism, a plurality of baffle plates are arranged on the outer side face of the conveying mesh belt, and the conveying mesh belt sequentially passes through the driving shaft, the first driven shaft, the second driven shaft and the third driven shaft to form a closed transmission line;
And a sensor is arranged above the feeding position of each automatic conveying device, and the sensor and the driving mechanism are electrically connected with the controller.
Further, the feeding position of each automatic conveying device is provided with an inclined feeding groove for conveying parts to the conveying mesh belt, the discharging position of each automatic conveying device is provided with a storage box, and the sensor is arranged above the inclined feeding groove.
Further, the center hole machining station comprises a base, a horizontal positioning table, four drilling mechanisms and a control system, wherein the horizontal positioning table is arranged on the base through a leveling mechanism, a clamp is arranged on the horizontal positioning table, the four drilling mechanisms are arranged on the base around the horizontal positioning table, feed paths of two adjacent drilling mechanisms are mutually perpendicular, and the operation of the four drilling mechanisms is controlled by the control system.
Further, the drilling mechanism comprises a sliding seat and a drilling hydraulic cylinder, the sliding seat is in sliding fit with the base, a cylinder body of the drilling hydraulic cylinder is fixedly arranged on the base, and a piston rod is connected with one end, far away from the horizontal positioning table, of the sliding seat; the drilling machine is characterized in that a drilling motor and a mounting seat are arranged on the sliding seat, a cutter shaft is mounted on the mounting seat through a bearing, a main shaft of the drilling motor is connected with the cutter shaft, and the drilling hydraulic cylinder and the drilling motor are electrically connected with a control system.
Further, the leveling mechanism comprises a pair of vertical stand columns and 4 vertical adjusting hydraulic cylinders, the horizontal positioning table is sleeved on the two stand columns and in clearance fit with the stand columns, the 4 adjusting hydraulic cylinders are uniformly distributed below the horizontal positioning table in a circumferential shape and are connected with the horizontal positioning table, and the adjusting hydraulic cylinders are electrically connected with the control system.
Further, the sensor is a grating sensor.
Further, the excircle processing station is a numerical control lathe.
Further, a cooling fan is arranged above the automatic conveying device between the heat treatment station and the center hole machining station.
Further, the driving mechanism is a conveying motor.
The beneficial effects of the invention are as follows: when the cross shaft completes one process, the cross shaft is placed at the feeding position of the automatic conveying device, signals are conveyed to the controller after the sensor detects the cross shaft, the controller controls the driving mechanism to operate, the driving shaft is driven to rotate, the driving shaft drives the conveying net belt to operate for a set time, and the cross shaft is conveyed to the next station. Through setting up automatic conveyor between each station, can realize the automatic conveying of cross, do not need the manual work to transport, reduce workman's intensity of labour, improve production efficiency, can make things convenient for the large batch continuous production of cross.
Drawings
Fig. 1 is an overall schematic of the present invention.
Fig. 2 is a schematic view of an automatic conveying device.
Fig. 3 is a schematic top view of a center hole processing station.
Fig. 4 is a schematic front cross-sectional view of a central bore processing station.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 1 to 4, the production line of the axle cross axle of the present invention includes a blank forging station 1, a deburring station 2, a heat treatment station 3, a center hole processing station 4, an outer circle processing station 5 and a fine grinding station 6.
The blank forging station 1 is used for forging raw materials into a cross shaft blank, and the existing forging equipment is adopted. The deburring station 2 is used for polishing and deburring the cross shaft blank, and is generally manually performed by a simple polishing tool. The heat treatment station 3 is used for heat treatment of the cross shaft blank, and heat treatment equipment and process adopt the prior art. The center hole machining station 4 is used for machining center holes of four shafts, the outer circle machining station 5 is used for machining outer circles of the four shafts, and the difficulty in the machining process is how to guarantee the perpendicularity and the position accuracy of the four shafts. The traditional center hole machining method is to punch center holes on four shafts respectively, and one center hole is punched at a time when the fixture rotates for 90 degrees. On the one hand, the operation is low in efficiency, poor in precision and difficult to ensure the requirements of the quantity and quality of products. Aiming at the situation, the invention designs a special machine tool for a center hole for processing the product, in particular:
The center hole machining station 4 comprises a base 41, a horizontal positioning table 42, four drilling mechanisms and a control system 43, the horizontal positioning table 42 is installed on the base 41 through a leveling mechanism, clamps are arranged on the horizontal positioning table 42, the four drilling mechanisms are installed on the base 41 around the horizontal positioning table 42, feed paths of two adjacent drilling mechanisms are mutually perpendicular, and the operation of the four drilling mechanisms is controlled by the control system 43.
The base 41 is fixed on the ground and used for supporting the whole equipment, the horizontal positioning table 42 is used for fixing the cross shaft to be processed, and the clamp can adopt a pressing plate mechanism as long as the cross shaft can be fixed on the horizontal positioning table 42. The horizontal positioning table 42 is mounted on the base 41 through a leveling mechanism, so that the levelness of the horizontal positioning table 42 can be detected before machining, and when the levelness is poor, the leveling mechanism can be utilized for leveling so as to ensure the machining precision. In addition, before machining, detecting verticality and position accuracy of the four drilling mechanisms by using laser detection equipment, and then debugging, wherein the requirement on the equal height is less than 0.01mm; the perpendicularity is required to be not more than 0.01mm within 200 mm; the parallelism is not more than 0.01mm within 200mm, and then drilling is carried out by clamping, so that the verticality and the position accuracy of the four central holes can be ensured. In addition, 4 drilling mechanisms can process the center holes on 4 shafts simultaneously, and the machining efficiency is high and the machining precision is guaranteed by once clamping. The control system 43 adopts the control structure and control mode of the existing numerical control machine tool, and is used for controlling the operation of 4 drilling mechanisms to realize automatic production.
The drilling mechanism comprises a sliding seat 44 and a drilling hydraulic cylinder 45, the sliding seat 44 is in sliding fit with the base 41, a cylinder body of the drilling hydraulic cylinder 45 is fixedly arranged on the base 41, and a piston rod is connected with one end, far away from the horizontal positioning table 42, of the sliding seat 44; the sliding seat 44 is provided with a drilling motor 46 and a mounting seat 47, the mounting seat 47 is provided with a cutter shaft 48 through a bearing, a main shaft of the drilling motor 46 is connected with the cutter shaft 48, and the drilling hydraulic cylinder 45 and the drilling motor 46 are electrically connected with the control system 43. The drill motor 46 is used to rotate a cutter shaft 48, and the cutter shaft 48 is used to mount a drill bit or the like for drilling. During processing, the drilling hydraulic cylinder 45 pushes the sliding seat 44 to move, the drilling motor 46, the mounting seat 47, the cutter shaft 48 and the like move along with the sliding seat 44 to realize advancing and retreating of props, and meanwhile, the drilling motor 46 drives the cutter shaft 48 to rotate, and a drill bit on the cutter shaft 48 rotates to drill the cross shaft.
Because the horizontal positioning table 42 has higher dimensional accuracy, the leveling mechanism can be finely adjusted during leveling, and only a small amount of displacement is required to meet the leveling requirement, therefore, the leveling mechanism comprises a pair of vertical stand columns 49 and 4 vertical adjusting hydraulic cylinders 410, the horizontal positioning table 42 is sleeved on the two stand columns 49 and in clearance fit with the stand columns 49, the 4 adjusting hydraulic cylinders 410 are uniformly distributed below the horizontal positioning table 42 in a circumferential shape and are connected with the horizontal positioning table 42, and the adjusting hydraulic cylinders 410 are electrically connected with the control system 43. The upright post 49 is used for horizontally positioning the horizontal positioning table 42, and the horizontal positioning table 42 and the upright post 49 are in clearance fit, so that the clearance can be about 0.1mm, and a certain adjusting space is provided. During adjustment, the laser detector is used for detecting the levelness of the horizontal positioning table 42, and then the levelness of the horizontal positioning table 42 can be finely adjusted by controlling the lifting of the 4 adjustment hydraulic cylinders 410 and adjusting the movement of the hydraulic cylinders 410, so that the horizontal positioning table 42 is ensured to have higher levelness.
Under the condition of guaranteeing the position verticality and the position precision of the four center holes, when the outer circles are machined, a numerical control lathe can be adopted to clamp one shaft, the thimble is used for propping the other shaft, the propped shaft is machined, then the other shaft is turned around to be machined, and therefore the verticality and the position precision of the outer circles of the four shafts can be guaranteed by taking the center holes as the reference.
The blank forging station 1, the deburring station 2, the heat treatment station 3, the center hole machining station 4, the outer circle machining station 5 and the fine grinding station 6 are sequentially connected through an automatic conveying device.
Specifically, the automatic conveying device comprises a driving mechanism 71, a conveying mesh belt 72, a driving shaft 73, a first driven shaft 74, a second driven shaft 75, a third driven shaft 76 and a controller 77, wherein the driving shaft 73 and the first driven shaft 74 are positioned at the same height, the second driven shaft 75 and the third driven shaft 76 are respectively positioned above the first driven shaft 74 and the driving shaft 73, and the distance from the second driven shaft 75 to the third driven shaft 76 is smaller than the distance from the driving shaft 73 to the first driven shaft 74; the driving shaft 73 is connected with the driving mechanism 71, a plurality of baffle plates 78 are arranged on the outer side surface of the conveying mesh belt 72, and the conveying mesh belt 72 sequentially passes through the driving shaft 73, the first driven shaft 74, the second driven shaft 75 and the third driven shaft 76 to form a closed transmission line.
A sensor 79 is arranged above the feeding position of each automatic conveying device, and the sensor 79 and the driving mechanism 71 are electrically connected with the controller 77.
The second driven shaft 75 and the third driven shaft 76 are located at high positions, so that the normal operation of the transmission is prevented from being influenced by ground mobile equipment and workers, and in order to prevent the cross shaft from falling, baffles can be arranged at two side edges of the conveying mesh belt 72. The dam 78 is used to support the cross-shaft to ensure that the cross-shaft moves upward, then horizontally, and finally downward with the conveyor belt 72. The sensor 79 is used for detecting whether a cross shaft exists at the feeding position of the automatic conveying device, if the cross shaft is detected, signals are transmitted to the controller 77, the controller 77 controls the driving mechanism 71 to operate, the driving mechanism 71 is a conveying motor, and the conveying motor drives the conveying mesh belt 72 to operate so as to transmit the cross shaft to the next station. The controller 77 may be a general PLC, a single chip microcomputer, or the like. The sensor 79 is a grating sensor.
Through setting up automatic conveyor between each station, can realize the automatic conveying of cross, do not need the manual work to transport, reduce workman's intensity of labour, improve production efficiency, can make things convenient for the large batch continuous production of cross.
An inclined feeding chute 710 for conveying parts to the conveyor belt 72 is provided at the feeding position of each automatic conveying device, a storage bin 711 is provided at the discharging position of each automatic conveying device, and the sensor 79 is disposed above the inclined feeding chute 710. After one process step, the cross is placed in the feed chute 710 and automatically slid down the feed chute 710 onto the conveyor belt 72, during which time the sensor 79 can detect movement of the cross and transmit a signal to the controller 77. The storage bin 711 is used to store the cross to be machined.
A cooling fan 712 is arranged above the automatic conveying device between the heat treatment station 3 and the center hole processing station 4. The cross after the heat treatment is high in temperature and requires a long cooling time, and therefore, a cooling fan 712 is provided to accelerate cooling of the cross so that the next process can be performed quickly.
The invention combines the equipment of each station to form a complete production line, has higher production efficiency and can realize mass production.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Axle cross axle's production line, including blank forging station (1), burring station (2), heat treatment station (3), centre bore processing station (4), excircle processing station (5) and correct grinding station (6), its characterized in that:
The blank forging station (1), the deburring station (2), the heat treatment station (3), the center hole machining station (4), the outer circle machining station (5) and the fine grinding station (6) are connected through an automatic conveying device in sequence;
The automatic conveying device comprises a driving mechanism (71), a conveying mesh belt (72), a driving shaft (73), a first driven shaft (74), a second driven shaft (75), a third driven shaft (76) and a controller (77), wherein the driving shaft (73) and the first driven shaft (74) are located at the same height, the second driven shaft (75) and the third driven shaft (76) are located above the first driven shaft (74) and the driving shaft (73) respectively, and the distance from the second driven shaft (75) to the third driven shaft (76) is smaller than the distance from the driving shaft (73) to the first driven shaft (74); the driving shaft (73) is connected with the driving mechanism (71), a plurality of baffle plates (78) are arranged on the outer side surface of the conveying mesh belt (72), and the conveying mesh belt (72) sequentially passes through the driving shaft (73), the first driven shaft (74), the second driven shaft (75) and the third driven shaft (76) to form a closed transmission line;
A sensor (79) is arranged above the feeding part of each automatic conveying device, and the sensor (79) and the driving mechanism (71) are electrically connected with the controller (77);
The center hole machining station (4) comprises a base (41), a horizontal positioning table (42), four drilling mechanisms and a control system (43), wherein the horizontal positioning table (42) is arranged on the base (41) through a leveling mechanism, a clamp is arranged on the horizontal positioning table (42), the four drilling mechanisms are arranged on the base (41) around the horizontal positioning table (42), feed paths of two adjacent drilling mechanisms are mutually perpendicular, and the operation of the four drilling mechanisms is controlled by the control system (43);
The drilling mechanism comprises a sliding seat (44) and a drilling hydraulic cylinder (45), the sliding seat (44) is in sliding fit with the base (41), a cylinder body of the drilling hydraulic cylinder (45) is fixedly arranged on the base (41), and a piston rod is connected with one end, far away from the horizontal positioning table (42), of the sliding seat (44); be provided with drilling motor (46) and mount pad (47) on sliding seat (44), install cutter axle (48) through the bearing on mount pad (47), the main shaft and the cutter axle (48) of drilling motor (46) link to each other, drilling pneumatic cylinder (45) and drilling motor (46) all are connected with control system (43) electricity.
The leveling mechanism comprises a pair of vertical stand columns (49) and 4 vertical adjusting hydraulic cylinders (410), the horizontal positioning table (42) is sleeved on the two stand columns (49) and in clearance fit with the stand columns (49), the 4 adjusting hydraulic cylinders (410) are uniformly distributed below the horizontal positioning table (42) in a circumferential shape and are connected with the horizontal positioning table (42), and the adjusting hydraulic cylinders (410) are electrically connected with the control system (43).
2. The axle cross production line of claim 1, wherein: the automatic feeding device comprises a conveying net belt (72) and is characterized in that an inclined feeding groove (710) for conveying parts to the conveying net belt is arranged at the feeding position of each automatic conveying device, a storage box (711) is arranged at the discharging position of each automatic conveying device, and a sensor (79) is arranged above the inclined feeding groove (710).
3. The axle cross production line of claim 1, wherein: the sensor (79) is a grating sensor.
4. The axle cross production line of claim 1, wherein: the excircle machining station (5) is a numerical control lathe.
5. The axle cross production line of claim 1, wherein: a cooling fan (712) is arranged above the automatic conveying device between the heat treatment station (3) and the center hole processing station (4).
6. The axle cross production line of claim 1, wherein: the driving mechanism (71) is a conveying motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520464.XA CN109352427B (en) | 2018-12-12 | Axle cross axle production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520464.XA CN109352427B (en) | 2018-12-12 | Axle cross axle production line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109352427A CN109352427A (en) | 2019-02-19 |
| CN109352427B true CN109352427B (en) | 2024-07-09 |
Family
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209223711U (en) * | 2018-12-12 | 2019-08-09 | 绵阳云飞精工机械有限公司 | The production line of vehicle bridge cross axle |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209223711U (en) * | 2018-12-12 | 2019-08-09 | 绵阳云飞精工机械有限公司 | The production line of vehicle bridge cross axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240613 Address after: 210000 3rd floor, 699-1 Xuanwu Avenue, Xuanwu District, Nanjing, Jiangsu Province Applicant after: NANJING LIAN HE TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 621000 Mianyang Hebei Pingwu Industrial Park, Mianyang City, Sichuan Province Applicant before: MIANYANG YUNFEI PRECISION MACHINERY Co.,Ltd. Country or region before: China |
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| GR01 | Patent grant |