CN105817958B - A kind of more main shaft multistation flexibility of linking rod process equipments - Google Patents

Abstract

A multi-spindle multi-station connecting rod flexible processing equipment, the X-axis bed is set on one side of the Y-axis column and the bed (2); the X-axis spindle box (7) is installed on the X-axis bed, The balance device (3) is installed on the Y-axis column and the bed, and is connected with the Y-axis ram (4); the Y-axis ram is installed on the Y-axis column and the bed through the Y-axis feed drive system; The rotary table (6) is installed on the Y-axis ram through the A-axis rotary head (5); the positioning and mounting holes of the workpiece to be processed are set in multiple pieces and installed on the rotary table with hydraulic fixtures; There are multiple spindle-tool systems (8) in the body; the rotary table with hydraulic fixtures can be equipped with four sets of fixtures, corresponding to the number of spindle-tool systems on the spindle box of the X-axis, and each set of fixtures can be clamped at the same time Multiple parts participate in the cutting process at the same time; the structure is compact and highly automated, which can reduce labor costs.

Description

A multi-spindle multi-station connecting rod flexible processing equipment

technical field

The invention relates to mechanical processing equipment, in particular to a multi-spindle and multi-station connecting rod flexible processing equipment suitable for processing parts such as engine connecting rods, bearings, disc sleeves and boxes, and belongs to the technical field of mechanical processing.

Background technique

A special machine tool is a machine tool specially suitable for processing specific parts and specific processes. It is often a tailor-made product with the advantages of high efficiency and comprehensive performance. It is an ideal equipment for mass production of connecting rods, bearings, valve plates, bushings, etc. Moreover, it is often an indispensable machine tool variety to form a production line, and has broad market demand and application prospects.

With the extension and popularization of production scale, small batch, fast variety change, multi-model collinear production and other characteristics, such special-purpose machine tools cannot adapt, and must be redesigned and manufactured. Therefore, this kind of production technology and equipment is required to continue to develop in the direction of flexibility and automation. Manufacturers can use this special processing equipment to form a flexible manufacturing system to adapt to the uncertainty of parts processing, so as to have technical and cost advantages; at the same time, Adopt the scheme of multi-process centralized processing, complete the processing of multiple processes on the same equipment, and reduce the number of processing equipment on the production line to even one processing equipment with composite technology to reduce the number of equipment. Compressing equipment investment is the development of technology trend.

A Chinese invention patent disclosed on December 10, 2008 is a "connecting rod eight-station drilling machine" with a publication number of CN101318302A. The axis movable drilling formwork is connected with the four-axis drill connecting threaded bottom hole power head through the guide rod;

A Chinese invention patent published on March 20, 2013 is a "connecting rod body five-station special machine" with a publication number of CN202804627U. On the rotary table, five connecting rod positioning fixtures are evenly arranged on the circumference corresponding to five stations. One of the stations is the clamping station, and the other four stations correspond to the milling power head, drilling double power head, tapping double power head and drilling single power head respectively;

A Chinese invention patent published on March 20, 2013 is a "connecting rod body multi-station boring and drilling machine" with the publication number CN202804628U. A rough boring device and a fine boring device are respectively installed at the left and right ends of the top of the bed. There is a fixture for clamping the workpiece;

A Chinese invention patent published on February 19, 2014, with a publication number of CN203437684U, is "a special machine for rough boring connecting rod big-end holes", which is specially used for rough-boring connecting rod big-end holes;

A Chinese utility model patent published on August 30, 2006, with the publication number CN2810866U, is a "six-station special machine with connecting rod cover". Rotary table and special fixture installed on the table;

The prior art disclosed above is all aimed at specific process processing content, and its advantage is that it can be mass-produced, but its degree of automation and flexible production is not high, and it involves multi-process processing, such as milling, boring, drilling , Tapping, grinding, burr treatment, and other processing equipment are needed to complete the processing of parts.

Contents of the invention

The object of the present invention is to provide a multi-spindle and multi-station flexible processing equipment for connecting rods, which has a compact structure and concentrated processes. Using this equipment can save energy, realize high automation, and reduce labor costs.

In order to achieve the above object, the present invention provides a multi-spindle and multi-station connecting rod flexible processing equipment, including an X-axis feed drive system, a Y-axis feed drive system, and a Z-axis feed drive system. The bed of the X-axis is set on One side of the Y-axis column and the bed; the X-axis spindle box is installed on the X-axis bed and driven by the X-axis feed drive system; the balance device is installed on the Y-axis column and the bed, and slides with the Y-axis The Y-axis ram is installed on the Y-axis column and the bed through the Y-axis feed drive system; the rotary table with hydraulic fixtures is installed on the Y-axis ram through the A-axis rotary head, and is rotated by the A-axis The drive of the head realizes the rotation and changing of the station of the rotary table with hydraulic fixtures; the positioning and installation holes of the workpiece to be processed are set in multiple pieces and installed on the rotary table with hydraulic fixtures; the electrical cabinet and hydraulic station are arranged in Y The rear side of the axis column and the bed; the X-axis spindle box is equipped with multiple spindle-tool systems; the rotary table with hydraulic clamps can be equipped with four sets of clamps, which are installed at 90°, 180°, 270° and Four standard directions of 360° form four stations; corresponding to the number of spindle-tool systems on the spindle housing of the X-axis, each set of fixtures can simultaneously clamp multiple parts and participate in cutting processing at the same time.

Further, the spindle-tool system is arranged in parallel in multiple rows in the spindle housing of the X-axis.

Further, it also includes the X1-axis bed, the X1-axis bed and the X-axis bed are symmetrically arranged on the other side of the Y-axis column and the bed, and the X1-axis spindle box is installed on the X1-axis bed body, and is driven by the X1-axis feed drive system symmetrically arranged with the X-axis feed drive system; the spindle housing of the X1-axis is equipped with multiple parallel spindle-tool systems, and the direction of the tool point is the same as that of the X-axis spindle The direction of the tool nose point of the spindle-tool system on the box is opposite.

Further, the same tool is configured on each row of parallel spindle-tool systems, and different tools are set on different rows of spindle-tool systems.

Further, the spindle-tool system on the spindle housing of the X-axis is the first row of spindle-tool system, the second row of spindle-tool system, the third row of spindle-tool system, the fourth row of spindle-tool system, X1 axis The spindle-tool system on the spindle box is the fifth row of spindle-tool system, the sixth row of spindle-tool system, the seventh row of spindle-tool system, and the eighth row of spindle-tool system, which are respectively equipped with the first Row feed drive system, second row feed drive system, third row feed drive system, fourth row feed drive system, fifth row feed drive system, sixth row feed drive system, seventh row feed drive system Feed drive system, eighth row feed drive system.

Furthermore, the rotary table with hydraulic clamps is designed and manufactured in an integrated manner, and adopts a hollow structure design.

Further, the balance device is one or more sets of balance cylinders, balance oil cylinders, and balance counterweights.

Further, it also includes a chip hopper and a chip conveyor, and the chip hopper and chip conveyor are arranged in parallel at the middle position of the lower part of the whole machine, and pass through the Y-axis column and the lower part of the bed.

The present invention adopts multi-spindle, multi-station, and flexible processing equipment with centralized processes, cooperates with compound cutters, and integrates multiple advantages of special machine tools and general processing equipment. It can be used for processing parts such as connecting rods, bearings, valve plates, and bushings. Changing fixtures and tools can also carry out processing for transmission hydraulic valve plates, transmission housings, electric vehicle motor housings and other components.

Compared with prior art, the present invention has following advantage:

1. It adopts modular design and manufacturing, integrates the advantages of special machine tools and processing equipment, is easy to reorganize and can be reconfigured, and can be changed into a special machine tool suitable for processing various parts by changing fixtures and tools.

2. Concentrate the processes that need to be processed by multiple single equipment on one flexible processing equipment to avoid repeated positioning errors, simplify the process, meet the high-efficiency and high-precision processing requirements of parts, and adapt to multi-variety and mass production.

3. The processing equipment can shorten the length of the parts production line, reduce equipment investment and equipment footprint, save energy consumption, achieve a high degree of automation and reduce labor costs.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is a view from the direction of P in Fig. 1 .

In the figure: 1. Y-axis feed drive system, 2. Y-axis column and bed, 3. Balance device, 4. Y-axis ram, 5. A-axis rotary head, 6. Rotary table with hydraulic clamps , 7. The spindle housing of the X-axis, 8. The spindle-tool system, 9. The X-axis feed drive system, 10. The bed of the X-axis, 11. The chip hopper, 12. The X1-axis feed drive system, 13 , Z axis feed drive system, 14, bed of X1 axis, 15, spindle box of X1 axis, 17, chip conveyor, 18, electrical cabinet and hydraulic station, 8-1, first row of spindle-tool system , 8-2, the second row of spindle-tool system, 8-3, the third row of spindle-tool system, 8-4, the fourth row of spindle-tool system, 8-5, the fifth row of spindle-tool system, 8 -6, the sixth row of spindle-tool system, 8-7, the seventh row of spindle-tool system, 8-8, the eighth row of spindle-tool system, 13-1, the first row of feed drive system, 13-2 , The second row feed drive system, 13-3, the third row feed drive system, 13-4, the fourth row feed drive system, 13-5, the fifth row feed drive system, 13-6, the first row Six-row feed drive system, 13-7, seventh row feed drive system, 13-8, eighth row feed drive system.

Detailed ways

The above solution will be further described below in conjunction with specific embodiments.

As shown in Figures 1 and 2, a multi-spindle and multi-station connecting rod flexible processing equipment includes an X-axis feed drive system 9, a Y-axis feed drive system 1, and a Z-axis feed drive system 13. The overall structure The layout is a stable ㄇ shape, the X-axis bed 10 is set on one side of the Y-axis column and the bed 2; the X-axis spindle housing 7 is installed on the X-axis bed 10, and is driven by the X-axis feed Driven by system 9; balance device 3 is installed on Y-axis column and bed 2, and connected with Y-axis ram 4; Y-axis ram 4 is installed on Y-axis column and bed 2 through Y-axis feed drive system 1 Above; the rotary table 6 with hydraulic clamps is installed on the Y-axis ram 4 through the A-axis rotary head 5, and is driven by the A-axis rotary head 5 to realize the rotation and transformation of the rotary table 6 with hydraulic clamps Station; the positioning and mounting holes of the workpiece to be processed are set in multiple pieces and installed on the rotary table 6 with hydraulic fixtures; the electrical cabinet and hydraulic station 18 are arranged on the rear side of the Y-axis column and the bed 2; the main shaft of the X-axis There are multiple spindle-tool systems 8 inside the box body 7; the rotary table 6 with hydraulic fixtures can be equipped with four sets of fixtures, which are respectively installed in four standard directions of 90°, 180°, 270° and 360°, forming four station; corresponding to the quantity of the spindle-tool system 8 on the spindle housing 7 of the X-axis, each set of fixtures can simultaneously clamp multiple parts and participate in the cutting process at the same time, and the Y-axis feed drive system 1 and the A-axis Swivel head 5 and Z-axis feed drive system 13 adopt a "box-in-box" layout; X-axis feed drive system 9, X1-axis feed drive system 12, Y-axis feed drive system 1, Z-axis feed drive system 13 are lead screw nuts, linear motors or guide rails, etc.;

Combined with actual technological needs, the number and distribution of spindles and tools can be adjusted by the user. In order to improve the production efficiency of workpieces in the present invention, preferably, the spindle-tool system 8 is arranged in parallel on the spindle housing 7 of the X axis in multiple rows. Inside.

In order to improve the production efficiency of machining workpieces, the present invention preferably also includes a bed 14 of the X1 axis, and the bed 14 of the X1 axis is symmetrically arranged on the other side of the Y axis column and the bed 2 with the bed 10 of the X axis. side, the spindle housing 15 of the X1 axis is installed on the bed 14 of the X1 axis, and is driven by the X1 axis feed drive system 12 symmetrically arranged with the X axis feed drive system 9; the spindle housing 15 of the X1 axis is configured There are multiple parallel spindle-tool systems 8, the direction of the tool point of which is opposite to the direction of the tool point of the spindle-tool system 8 on the spindle housing 7 of the X axis; in order to improve the stability of the whole machine, the direction of the tool point of the X1 axis The bed 14, the spindle housing 15 of the X1 axis, and the feed drive system 12 of the X1 axis are all symmetrically arranged with the bed 10 of the X axis, the spindle housing 7 of the X axis, and the feed drive system 9 of the X axis.

Preferably, the same cutter is configured on each row of parallel spindle-cutter system 8, such as milling cutter, drill bit, screw tap and grinding wheel can be configured for milling, drilling, tapping and grinding, and can also be configured and installed with The burr head performs efficient deburring work, and different cutters are arranged on the spindle-tool system 8 of different rows.

Preferably, the spindle-tool system 8 on the spindle housing 7 of the X-axis is the first row of spindle-tool system 8-1, the second row of spindle-tool system 8-2, and the third row of spindle-tool system 8- 3. The fourth row of spindle-tool system 8-4, the spindle-tool system 8 on the spindle box 15 of the X1 axis is the fifth row of spindle-tool system 8-5, the sixth row of spindle-tool system 8- 6. The seventh row of spindle-tool system 8-7 and the eighth row of spindle-tool system 8-8 are respectively equipped with the first row feed drive system 13-1 and the second row feed drive system with independent movement functions 13-2. The third row feed drive system 13-3, the fourth row feed drive system 13-4, the fifth row feed drive system 13-5, the sixth row feed drive system 13-6, the seventh row Row feed drive system 13-7, eighth row feed drive system 13-8.

The rotary table 6 with hydraulic clamps is an integrated design and manufacture. In order to reduce the weight of the whole machine, the present invention preferably selects the hollow structure design for the rotary table 6 with hydraulic clamps.

The balance device 3 is a balance cylinder, a balance oil cylinder, and a balance counterweight. In order to improve the stability of the table system along the Y-axis feed drive system 1 and the stability of the cutting process, the present invention preferably combines the balance device 3 into a group or Multiple sets of balance cylinders, balance oil cylinders and balance weights.

The waste generated during the processing can be cleaned up by the operators themselves, or can be automatically cleaned up by the machine. The present invention preferably also includes a chip hopper 11 and a chip conveyor 17, and the chip hopper 11 and the chip conveyor 17 are arranged in parallel on the whole machine The middle position of the lower part passes through the lower part of the Y-axis column and the bed 2, and the waste is cleaned by the chip hopper 11 and the chip conveyor 17 provided.

Working process 1: First, the Y-axis ram 4 drives the A-axis rotary head 5 to the workpiece loading and unloading position, and the workpiece to be processed (such as gears, nuts, connecting rods, steering knuckles, etc.) Then the A-axis rotary head 5 rotates 90° to align the processing surface of the workpiece with the tool and start process I processing: the Y-axis ram 4 moves to the processing position and aligns with the first row of spindle-tool System 8-1, the first row of feed drive system 13-1 drives the Z-direction feed of the first row of spindle-tool system 8-1, and at the same time, the first row of spindle-tool system 8-1 participates in the cutting motion of the workpiece, processing After completion, the first row of spindle-tool system 8-1 exits the processing position, then, the second row of feed drive system 13-2 drives the Z-direction feed of the second row of spindle-tool system 8-2, while the second row The spindle-tool system 8-2 participates in the cutting motion of the workpiece. After the processing is completed, the second row of spindle-tool system 8-2 exits the processing position; and so on, the processing of other process II, process III and process IV is completed in sequence; and then The A-axis rotary head 5 rotates 180° to align the processing surface of the processed workpiece with the tool to start process Ⅴ processing, and the Y-axis ram 4 moves to the processing position and aligns with the fifth row of spindle-tool system 8-5, the fifth row Feed The feed drive system 13-5 drives the Z-direction feed of the fifth row of spindle-tool system 8-5. At the same time, the fifth row of spindle-tool system 8-5 participates in the cutting motion of the workpiece. After the processing is completed, the fifth row The spindle-tool system 8-5 exits the processing position, and then, the sixth row of feed drive system 13-6 drives the Z-direction feed of the sixth row of spindle-tool system 8-6, while the sixth row of spindle-tool system 8 -6 participates in the cutting motion of the workpiece. After the processing is completed, the sixth row of spindle-tool system 8-6 exits the processing position; and so on, the processing of other processes VI, VII and VIII is completed in sequence. Finally, the Y-axis ram 4 drives the A-axis rotary head 5 to the workpiece loading and unloading position, and the processed workpiece is unloaded from the rotary table 6 with hydraulic clamps.

Working process two: First, the Y-axis ram 4 drives the A-axis rotary head 5 to the workpiece loading and unloading position, and the workpiece to be processed (such as gears, nuts, connecting rods, steering knuckles, etc.) Then the A-axis rotary head 5 rotates 90° to align the processing surface of the processed workpiece with the tool and start process I processing: the Y-axis ram 4 moves to the processing position and aligns the first row of spindle-tool at the same time System 8-1 and the fifth row of spindle-tool system 8-5; the first row of feed drive system 13-1 drives the Z-direction feed of the first row of spindle-tool system 8-1, at the same time, the fifth row The feed drive system 13-5 drives the Z-direction feed of the fifth row of spindle-tool system 8-5, the second row of spindle-tool system 8-2 and the sixth row of spindle-tool system 8-6 participate in the left and right directions simultaneously The cutting movement of the workpiece, after the machining is completed, the second row of spindle-tool system 8-2 and the sixth row of spindle-tool system 8-6 exit the processing position at the same time; the second row of feed drive system 13-2 drives the second row of spindles - Z feed of tool system 8-2, at the same time, sixth row feed drive system 13-6 drives Z feed of sixth row spindle-tool system 8-6, second row spindle-tool system 8-2 and the sixth row of spindle-tool system 8-6 participate in the cutting motion of the workpiece at the same time in the left and right directions. After the machining is completed, the second row of spindle-tool system 8-2 and the sixth row of spindle-tool system 8-6 simultaneously Exit the processing position; and so on, complete the processing of other processes II, III and IV in sequence; finally, the Y-axis ram 4 drives the A-axis rotary head to the workpiece loading and unloading position, and the processed workpiece is rotated from the hydraulic clamp Remove from workbench 6.

Claims (7)

1. a kind of more main shaft multistation flexibility of linking rod process equipments, including X-axis feed drive system (9), Y-axis feed drive system (1), Z axis feed drive system (13), it is characterised in that：The lathe bed (10) of X-axis is arranged in the side of Y-axis column and lathe bed (2)； The main spindle box body (7) of X-axis is mounted on the lathe bed (10) of X-axis, and is driven by X-axis feed drive system (9)；Balancing device (3) it is installed on Y-axis column and lathe bed (2), and is connected with Y-axis ram (4)；Y-axis ram (4) passes through Y-axis Feed servo system system (1) is united on Y-axis column and lathe bed (2)；Rotary table (6) with hydraulically operated fixture is installed on by A axis swiveling head (5) On Y-axis ram (4), and the revolution and change of the rotary table (6) with hydraulically operated fixture are realized by the driving of A axis swiveling head (5) Change station；The positioning hole of workpiece to be machined is set as more than one piece and is installed on the rotary table with hydraulically operated fixture (6)；Electricity Device cabinet and hydraulic station (18) are arranged in the rear side of Y-axis column and lathe bed (2)；Multiple masters are configured in the main spindle box body (7) of X-axis Axis-tooling system (8)；Rotary table (6) with hydraulically operated fixture can be equipped with four groups of fixtures, be separately mounted to 90 °, 180 °, 270 ° and 360 ° of four reference directions form four stations；Main shaft-tooling system (8) on the main spindle box body (7) of corresponding X-axis Quantity, every group of fixture can simultaneously participate in machining, main shaft-knife on the main spindle box body (7) of X-axis by the multiple parts of clamping simultaneously Tool system (8) is followed successively by first row main shaft-tooling system (8-1), second row main shaft-tooling system (8-2), third row's main shaft- Tooling system (8-3), the 4th row's main shaft-tooling system (8-4), upper main shaft-tooling system of the main spindle box body (15) of X1 axis (8) the 5th row's main shaft-tooling system (8-5), the 6th row's main shaft-tooling system (8-6), the 7th row's main shaft-cutter system are followed successively by System (8-7), the 8th row's main shaft-tooling system (8-8), it is corresponding respectively to be equipped with first row feed drive system (13-1), second row Feed drive system (13-2), third row's feed drive system (13-3), the 4th row's feed drive system (13-4), the 5th discharge into To drive system (13-5), the 6th row's feed drive system (13-6), the 7th row's feed drive system (13-7), the 8th discharge into Drive system (13-8).

2. a kind of more main shaft multistation flexibility of linking rod process equipments according to claim 1, which is characterized in that the master Axis-tooling system (8) is multiple rows of to be arranged side by side in the main spindle box body (7) of X-axis.

3. a kind of more main shaft multistation flexibility of linking rod process equipments according to claim 1, which is characterized in that further include X1 The lathe bed (14) of axis, the lathe bed (14) of the X1 axis are symmetrically disposed in Y-axis column and lathe bed (2) with the lathe bed (10) of X-axis The other side, the main spindle box body (15) of X1 axis is mounted on the lathe bed (14) of X1 axis, and by with X-axis feed drive system (9) Symmetrically arranged X1 axis feed drive system (12) driving；Multiple main shafts-arranged side by side are configured in the main spindle box body (15) of X1 axis Tooling system (8), the point of a knife point direction phase in point of a knife point direction and main shaft-tooling system (8) on the main spindle box body (7) of X-axis It is right.

4. a kind of more main shaft multistation flexibility of linking rod process equipments according to claim 1, which is characterized in that each row is simultaneously Identical cutter is configured in main shaft-tooling system (8) of row, and different knives is set in main shaft-tooling system (8) of difference row Tool.

5. a kind of more main shaft multistation flexibility of linking rod process equipments according to claim 1, which is characterized in that band hydraulic clip The rotary table (6) of tool is the integrated design manufacture, is designed using hollow structure.

6. a kind of more main shaft multistation flexibility of linking rod process equipments according to claim 1, which is characterized in that balancing device (3) it is one or more groups of balance cylinders, balancing cylinder, counterweight.

7. a kind of more main shaft multistation flexibility of linking rod process equipments according to claim 1, which is characterized in that further include cutting Consider hopper (11) and chip cleaner (17) to be worth doing, the chip hopper (11) and chip cleaner (17) parallel arrangement are in the interposition of complete machine lower part It sets, and across the lower part of Y-axis column and lathe bed (2).