CN212823926U - Sliding table for processing end faces of main connecting journal and balance block of crankshaft - Google Patents
Sliding table for processing end faces of main connecting journal and balance block of crankshaft Download PDFInfo
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- CN212823926U CN212823926U CN202021491200.9U CN202021491200U CN212823926U CN 212823926 U CN212823926 U CN 212823926U CN 202021491200 U CN202021491200 U CN 202021491200U CN 212823926 U CN212823926 U CN 212823926U
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- sliding table
- guide rail
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- frame
- left sliding
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Abstract
A sliding table for processing the end faces of a main connecting journal and a balance block of a crankshaft is characterized in that a left sliding table and a right sliding table are respectively connected with a guide rail of a machine body, two sides of the machine body are respectively provided with a transverse ball screw, the transverse ball screws are butted through a support shaft and a bearing, so that the two transverse ball screws can respectively rotate clockwise and anticlockwise, and the motions of the two transverse ball screws are not interfered with each other; the upper surface of the sliding table is respectively provided with a guide rail for moving and guiding the left frame and the right frame in the vertical direction; a first pressing plate is arranged between the guide rail and the frame; a locking device is arranged between the sliding table and the lathe bed; the pitch positioning shaft connects the center frame with the left sliding table, and the right sliding table is connected with the movable support through the connecting rod. The utility model discloses can make the cutter head case get into each cutting position of bent axle, automatic processing bent axle main journal, connecting rod neck and main even journal balancing piece terminal surface, degree of automation is high, and the slip table location is accurate reliable, can effectively alleviate operating personnel's intensity of labour.
Description
Technical Field
The utility model relates to an automobile parts makes technical field, specifically is a slip table that is used for processing of bent axle main journal, connecting rod neck and main even journal balancing piece terminal surface.
Background
The cutting positions of the cutter head of the automatic machining equipment for the main connecting shaft neck and the end face of the balance block of the crankshaft in the transverse direction, the vertical direction and the vertical direction are controlled by a CNC control system. Before the crankshaft is not clamped, the excircle of the large end of the crankshaft falls on an auxiliary support on an axial positioning fixture, the excircle of a main journal of the small end of the crankshaft falls on an auxiliary support on an angular positioning fixture, a pull rod on the angular positioning fixture drives a floating center to extend forwards to abut against a hole of the small end center, so that the crankshaft moves leftwards to enable the end face of the large end of the crankshaft to abut against an axial positioning stop block on the axial positioning fixture to complete axial positioning, a push disc of the angular positioning fixture continuously drives an angular positioning clamp to clamp an angular positioning surface of the crankshaft, the angular positioning fixture and a push disc of the axial positioning fixture drive a clamp to complete automatic clamping of the excircle of the large end of the crankshaft and the excircle of the main journal of the small end, the crankshaft starts to be machined after being clamped, a left cutter disc and a right cutter disc stop at specified positions, only the right cutter disc rotates and feeds, a neck M2 is firstly cut, the left cutter disc and the right cutter, A main journal and a main connecting journal balance block end face.
In order to enable the cutter head to enter each cutting position of the crankshaft, a left milling head box and a right milling head box which are provided with the cutter head are respectively connected with a left sliding table and a right sliding table in a sliding mode through a left frame and a right frame, so that the left frame and the right frame move in the vertical direction, the left sliding table and the right sliding table are connected with a guide rail on the machine body in a sliding mode, and the left milling head box and the right milling head box move transversely on the machine body through the left sliding table and the right sliding table, so that the. Therefore, it is very important to develop a sliding table for machining the end faces of the main journal, the connecting rod journal and the balance weight of the main connecting journal.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a sliding table for processing the end faces of a main connecting journal and a balance block of a crankshaft, so that a milling head box connected with the sliding table through a frame enters each cutting position of the crankshaft in the processing process.
In order to achieve the purpose, the utility model comprises a left sliding table and a right sliding table; the left sliding table and the right sliding table are respectively connected with a third guide rail and a fourth guide rail which are arranged on the machine body in parallel in the transverse direction, the left sliding table and the right sliding table can transversely move along the machine body, the left sliding table and the right sliding table are driven by a transverse shaft servo motor through a transverse shaft gearbox through a transverse ball screw, the transverse shaft servo motor is connected with the machine body through the transverse shaft gearbox, a gear and a gear in the transverse shaft servo motor and the transverse ball screw are connected through tensioning sleeves, two transverse ball screws are respectively arranged on two sides of the machine body and are in butt joint through a support shaft and a bearing, so that the two transverse ball screws can respectively rotate clockwise and anticlockwise, and the motions of the two transverse ball screws are.
The upper surfaces of the left sliding table and the right sliding table are respectively provided with a first guide rail and a second guide rail which are used for moving and guiding the left frame and the right frame in the vertical direction; and a first pressing plate for adjusting the precision of the upper bus when the left frame and the right frame move is arranged among one side of the first guide rail, the left sliding table, the right sliding table, the left frame and the right frame.
The side surfaces of the left sliding table, the right sliding table and the guide rail IV are provided with inlaid strips for adjusting gaps between the left sliding table and the right sliding table, a pin is fixed on the left sliding table and the right sliding table, a second pressing plate is in sliding fit with the pin, the second pressing plate can rotate by taking the pin as a circle center, a piston rod of a first oil cylinder arranged on the left sliding table and the right sliding table moves downwards, a disc spring arranged between a cylinder body of the first oil cylinder and the left sliding table and the right sliding table is pressed and deformed, the lower end of the first piston rod pushes one end of the second pressing plate to rotate downwards by taking the pin as a circle center, the other end of the second pressing plate rotates upwards by taking the pin as a circle center, the upper end of the other end of the second pressing plate is provided with a semicircular block, the semicircular block is pushed upwards to prop against two lower ends of the third guide rail and the fourth guide rail by the second pressing plate, the left sliding table and the, and the other side of the gib is in contact with and tightly pressed against the side surface of the guide rail IV, and the left sliding table, the right sliding table and the side surface of the guide rail IV are locked.
1. A guide hole is formed at the joint of the left sliding table and the center frame, a guide rod fixed on the center frame enters from the guide hole on the left sliding table, and the center frame is connected with the left sliding table through a pitch positioning shaft; the right sliding table is connected with the movable support through a connecting rod.
Compared with the prior art, through the transverse guide sliding connection on left and right slip table and the lathe bed, left and right frame respectively with left and right slip table sliding connection, make each cutting position that can follow the milling head case of the vertical direction motion of left and right frame and get into the bent axle, automatic processing bent axle main journal, connecting rod neck and main axle neck balancing piece terminal surface that links, degree of automation is high, and the slip table location is accurate reliable, can effectively alleviate operating personnel's intensity of labour.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a transmission diagram of the present invention.
Fig. 3 is a schematic view of a locking structure of a sliding table and a bed guide rail.
In the figure: 1. a bed body; 2. pressing a first plate; 3. a first guide rail; 4. a second guide rail; 5. a connecting rod; 6. a right sliding table; 7. a bearing; 8. a support shaft; 9. a guide bar; 10. a guide hole; 11. a left slipway; 12. a transverse shaft servo motor; 13. a transverse shaft gearbox; 14. a lateral ball screw; 15. a third guide rail; 16. a fourth guide rail; 17. a piston rod II; 18. a second oil cylinder; 19. a first oil cylinder; 20. a belleville spring; 21. a first piston rod; 22. embedding strips; 23. pressing a second plate; 24. a pin; 25. a semicircular block.
Detailed Description
As shown in fig. 1, 2 and 3, the present invention includes a left sliding table 11 and a right sliding table 6; the left sliding table 11 and the right sliding table 6 are respectively connected with a third guide rail 15 and a fourth guide rail 16 which are arranged on the machine body 1 in parallel in the transverse direction in a sliding mode, the left sliding table 11 and the right sliding table 6 can move transversely along the machine body 1, the left sliding table 11 and the right sliding table 6 are driven by a transverse shaft servo motor 12 through a transverse shaft gearbox 13 through a transverse shaft ball screw 14, the transverse shaft servo motor 12 is connected with the machine body 1 through the transverse shaft gearbox 13, gears and gears in the transverse shaft servo motor 12 and the transverse shaft gearbox 13 are connected with the transverse ball screw 14 through tensioning sleeves, two transverse ball screws 14 are respectively arranged on two sides of the machine body 1 and are in butt joint through a support shaft 8 and a bearing 7, the two transverse ball screws 14 can respectively rotate clockwise and anticlockwise, and the motions of.
The upper surfaces of the left sliding table 11 and the right sliding table 6 are respectively provided with a first guide rail 3 and a second guide rail 4 which are used for moving and guiding the left frame and the right frame in the vertical direction; and a pressing plate I2 for adjusting the precision of an upper bus when the left frame and the right frame move is arranged on one side of the guide rail I3, between the left sliding table 11 and the right sliding table 6 and between the left frame and the right frame.
The side surfaces of the left sliding table 11, the right sliding table 6 and the guide rail four 16 are provided with an inlaid strip 22 for adjusting the gap between the left sliding table 11 and the right sliding table 6, a pin 24 is fixed on the left sliding table 11 and the right sliding table 6, a second pressing plate 23 is in sliding fit with the pin 24, the second pressing plate 23 can rotate by taking the pin 24 as the center of a circle, the inlaid strip 22 and the second pressing plate 23 are the reference for processing a crankshaft to ensure good precision, and the joint surfaces of the inlaid strip 22 and the second pressing plate 23 and; a piston rod I21 of an oil cylinder I19 arranged on the left sliding table 11 and the right sliding table 6 moves downwards, a belleville spring 20 arranged between a cylinder body of the oil cylinder I19 and the left sliding table 11 and the right sliding table 6 is deformed under pressure, the lower end of the piston rod I21 pushes one end of a pressure plate II 23 to rotate downwards by taking a pin 24 as a circle center, the other end of the pressure plate II 23 rotates upwards by taking the pin 24 as a circle center, a semicircular block 25 is arranged at the upper end of the other end of the pressure plate II 23, the semicircular block 25 is pushed upwards by the pressure plate II 23 to prop against the two lower ends of a guide rail III 15 and a guide, the left sliding table 11 and the right sliding table 6 are locked with the third guide rail 15 and the fourth guide rail 16 in the vertical direction, the piston rods 17 of the oil cylinders 18 arranged on the left sliding table 11 and the right sliding table 6 extend out to prop against one side of the gib 22, the other side of the gib 22 is contacted and pressed with the side face of the fourth guide rail 16, and the left sliding table 11, the right sliding table 6 and the side face of the fourth guide rail 16 are locked.
A guide hole 10 is formed in the joint of the left sliding table 11 and the center frame, a guide rod 9 fixed on the center frame enters from the guide hole 10 in the left sliding table 11, the center frame is connected with the left sliding table 11 through a pitch positioning shaft, and the guide rod 9 plays a role in guiding, so that the matching precision between the center frame and the left sliding table 11 can be ensured; when the cutter disc is replaced and the crankshaft is replaced, the center frame must be separated from the left sliding table 11, when the crankshaft is replaced, a pitch positioning shaft corresponding to the specification of the crankshaft penetrates through a bolt hole and is fixed through a nut and an opening pad, the pitch positioning shaft is used for ensuring the distance between the center frame and the left cutter disc, namely the center distance between a main journal and a connecting rod journal of the crankshaft, the center frame is connected with the left sliding table 11 in the gear jumping process, and the gear jumping distance is the pitch of the crankshaft.
The right sliding table 6 is connected with the movable support through a connecting rod 5. When the position of the movable support is adjusted, the connecting rod 5 is connected with the right sliding table 6 and the movable support, and when the crankshaft is machined, the connecting rod 5 is separated from the movable support.
Claims (4)
1. The utility model provides a slip table that is used for bent axle owner to link journal and balancing piece terminal surface to process which characterized in that: comprises a left sliding table (11) and a right sliding table (6); the left sliding table (11) and the right sliding table (6) are respectively connected with a third guide rail (15) and a fourth guide rail (16) which are transversely arranged in parallel on the machine body (1) in a sliding manner, the left sliding table (11) and the right sliding table (6) can transversely move along the machine body (1), the left sliding table (11) and the right sliding table (6) are driven by a transverse-shaft servo motor (12) through a transverse-shaft gearbox (13) through a transverse-shaft ball screw (14), the transverse-shaft servo motor (12) is connected with the machine body (1) through the transverse-shaft gearbox (13), gears and gears in the transverse-shaft servo motor (12) and the transverse-shaft gearbox (13) are connected with the transverse ball screws (14) through tensioning sleeves, the transverse ball screws (14) are respectively arranged on two sides of the machine body (1) and are butted through a bearing (7) through a supporting shaft (8), so that the two transverse ball, the movements of the two transverse ball screws (14) are not interfered with each other.
2. The sliding table for machining the end faces of the main connecting journal and the balance weight of the crankshaft as claimed in claim 1, wherein: the upper surfaces of the left sliding table (11) and the right sliding table (6) are respectively provided with a first guide rail (3) and a second guide rail (4) which are used for moving and guiding the left frame and the right frame in the vertical direction; and a first pressing plate (2) for adjusting the precision of the upper bus when the left frame and the right frame move is arranged on one side of the first guide rail (3), between the left sliding table (11) and the right sliding table (6) and between the left frame and the right frame.
3. The sliding table for machining the end faces of the main connecting journal and the balance weight of the crankshaft as claimed in claim 1, wherein: the side surfaces of the left sliding table (11), the right sliding table (6) and the guide rail four (16) are provided with inlaid strips (22) for adjusting gaps between the left sliding table (11) and the right sliding table (6), the pins (24) are fixed on the left sliding table (11) and the right sliding table (6), the pressing plate two (23) is in sliding fit with the pins (24), the pressing plate two (23) can rotate by taking the pins (24) as the circle center, a piston rod one (21) of an oil cylinder one (19) arranged on the left sliding table (11) and the right sliding table (6) moves downwards, a butterfly spring (20) arranged between the cylinder body of the oil cylinder one (19) and the left sliding table (11) and the right sliding table (6) is pressed and deformed, the lower end of the piston rod one (21) pushes one end of the pressing plate two (23) to rotate downwards by taking the pins (24) as the circle center, the other end of the pressing plate two (23) rotates upwards by taking the pins (, semicircular block (25) is pressed the promotion of pressure board two (23) and upwards withstands guide rail three (15), the lower part both ends of guide rail four (16), with left slip table (11), right slip table (6) and guide rail three (15), guide rail four (16) locking in vertical direction, install piston rod two (17) of hydro-cylinder two (18) on left slip table (11), right slip table (6) and stretch out, withhold one side of gib (22), the opposite side of gib (22) contacts and compresses tightly with the side of guide rail four (16), with left slip table (11), the side locking of right slip table (6) and guide rail four (16).
4. The sliding table for machining the end faces of the main connecting journal and the balance weight of the crankshaft as claimed in claim 1, wherein: a guide hole (10) is formed in the joint of the left sliding table (11) and the center frame, a guide rod (9) fixed on the center frame enters from the guide hole (10) in the left sliding table (11), and the center frame is connected with the left sliding table (11) through a pitch positioning shaft; the right sliding table (6) is connected with the movable support through a connecting rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021491200.9U CN212823926U (en) | 2020-07-27 | 2020-07-27 | Sliding table for processing end faces of main connecting journal and balance block of crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021491200.9U CN212823926U (en) | 2020-07-27 | 2020-07-27 | Sliding table for processing end faces of main connecting journal and balance block of crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212823926U true CN212823926U (en) | 2021-03-30 |
Family
ID=75122195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021491200.9U Active CN212823926U (en) | 2020-07-27 | 2020-07-27 | Sliding table for processing end faces of main connecting journal and balance block of crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212823926U (en) |
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2020
- 2020-07-27 CN CN202021491200.9U patent/CN212823926U/en active Active
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