CN102528456A - Special machine tool for automatic drilling and milling machining of gear shifting lever of transmission of automobile - Google Patents

Abstract

The invention discloses a special machine tool for drilling and milling automatic processing of shift rods of automobile transmissions. The machine tool is provided with three stations: drilling station I, milling station II and unloading station III. The linear sliding workbench It is installed at the drilling station I, the hydraulic fixture is arranged on the workbench of the linear sliding workbench, the feeding device and the drilling power head are respectively arranged on the bed on both sides of the drilling station I, and the milling power head is arranged on the milling station. On the bed on one side of slot station II, the unloading device and the silo are respectively arranged on the bed on both sides of unloading station III; The three stations of II and unloading station III can be switched. The present invention adopts the automatic circulation process of "feeding → clamping → drilling → milling → unloading" to realize the fully automatic processing of the radial hole of the gear lever and the three V-shaped grooves perpendicular to the radial hole, which is beneficial Reduce labor costs and improve the production capacity of manufacturing enterprises.

Description

Automobile transmission shift rod drilling and milling automatic machining special machine tool

technical field

The invention relates to a special machine tool for automatic drilling and milling of a shift rod of an automobile transmission, belonging to the technical field of special metal cutting machine tools.

Background technique

With the development of the economy, manufacturing enterprises are facing problems such as a substantial increase in labor costs and an increasing burden on enterprises. At the same time, the requirements for product processing quality are getting higher and higher, and processing efficiency is low. With the development of mechatronics technology, all kinds of fully automated special equipment should be applied to the manufacturing process of various products, which not only greatly reduces the production cost of products, but also improves the processing quality of products. The shift lever of an automobile is an important part for shifting gears on a mechanical manual transmission of an automobile. Its processing batch is large, and the shift levers of different manufacturers and models have great similarities in structure and technology. At present, the processing of the shift lever is generally completed by general-purpose machine tools. The processing technology is complex and requires multiple clamping to complete the processing of the parts, which affects the processing accuracy and processing efficiency of the parts. The quality of the processed products is unstable. Simultaneous processing The process requires a large number of workers to operate, resulting in increased processing costs.

Contents of the invention

The purpose of the present invention is to provide a special machine tool for automatic drilling and milling of the shift lever of the automobile transmission to solve the problems of low processing efficiency, high requirements for operators and unstable processing quality of the existing technology in the processing of the shift lever of the automobile transmission. According to the characteristics of the drilling and milling process of the automobile shift rod, the process is concentrated, and the automatic cycle process of "loading→clamping→drilling→milling→unloading" is adopted to realize the automatic drilling and milling of the shift rod. Therefore, the problems existing in the above-mentioned prior art can be effectively solved.

The purpose of the present invention is achieved through the following technical solutions: a special machine tool for drilling and milling automatic processing of an automobile transmission shift rod, including a bed, a feeding device, a hydraulic clamp, a drilling power head, a linear sliding workbench, a milling power head, The unloading device and the silo, the machine tool is equipped with drilling station I, milling station II and unloading station III three stations, the linear sliding table is set at the drilling station I, hydraulic clamp It is installed on the workbench of the linear sliding workbench. The feeding device and the drilling power head are respectively arranged on the bed on both sides of the drilling station I, and the milling power head is arranged on the bed on the side of the milling station II. The feeding device and the silo are respectively arranged on the bed on both sides of the unloading station III; the hydraulic clamp is installed at the three stations of the drilling station I, the milling station II and the unloading station III through the linear sliding workbench. Convert between.

As a preferred method, the feeding device includes a hopper, a first distributing device, a second distributing device, a feeding device, a bottom plate and a support plate; the support plate is arranged on the bottom plate, and the hopper is arranged between the two support plates Between them, the first distributing device is arranged at the lower part of the hopper, the second distributing device is arranged under the first distributing device, and the feeding device is arranged on the bottom plate along the axial direction of the feeding trough.

As a further preferred mode, the first material distribution device includes a rotary material distribution shaft and a rotary material distribution sleeve, 8 material distribution grooves are evenly distributed on the rotary material distribution shaft, and the upper and lower sides of the rotary material distribution sleeve are slotted and fixed on the support. On the board, the second distributing device includes a distributing trough and a push rod mechanism.

As a further preferred mode, the hydraulic clamp includes a clamp body, a connecting plate, a V block, a side support plate, a pressure plate, a pull rod, a hydraulic cylinder base, a hydraulic cylinder, a fixed drill sleeve, a drilling template and a tool setting block; the hydraulic clamp passes through the clamp It is specifically set on the linear sliding workbench, the connecting plate is set on the clamp body, the V block and the side support plate are set on the top surface of the connecting plate, the hydraulic cylinder base is set on the bottom surface of the connecting plate, and the hydraulic cylinder is set on the hydraulic cylinder base On the bottom surface, one end of the pull rod is connected to the piston rod of the hydraulic cylinder, and the other end is hinged to the pressure plate. The fixed drill sleeve is arranged on the drilling template, the drilling template is arranged on the V block, and the tool setting block is arranged on the connecting plate.

As a further preferred manner, the side support plate and the V block are provided with small holes corresponding to each other and having a diameter smaller than that of the workpiece.

As a further preferred manner, the drilling power head is slidably arranged on the bed, and can move vertically and laterally.

As a further preferred manner, the drilling head is provided with 8 spindles.

As a further preferred mode, the milling power head is arranged on a horizontal linear moving device, and the linear moving device is arranged on a vertical lifting device. The milling power head can move vertically to adjust the depth of the forming groove, and move laterally to adjust the gap between the forming groove and the end surface of the workpiece. distance.

As a further preferred mode, the drilling and milling process includes the following processing steps:

The first step, the hydraulic fixture is in the drilling station I, put the processed workpiece into the hopper of the feeding device, start the milling power head, the feeding mechanism starts to work, and the first feeding device separates 8 workpieces at a time. Workpiece, complete material distribution;

In the second step, the second distributing device 12 puts 8 workpieces into the feeding chute respectively, and sends the 8 workpieces into the 8 V blocks of the hydraulic clamp through the feeding device for positioning, and completes the feeding;

The third step, the positioning of 8 workpieces is completed. The workpieces are quickly positioned in the hydraulic fixture by means of the V block and the side support plate, and the pressure oil is injected into the hydraulic cylinder. The piston rod of the hydraulic cylinder drives the pressure plate through the pull rod to move the workpiece downward. The workpiece is clamped and the clamping is completed;

Step 4: After the 8 workpieces are clamped, the drilling power head uses two motors to drive 8 spindles to rotate at the same time, and the drill bit installed on the spindle rotates with the spindle, so that the drilling power head moves down to realize 8 workpieces Drilling of the upper radial hole to complete the drilling;

Step 5: After the drilling process is completed, the drilling power head returns, and the linear sliding table drives the hydraulic fixture and the 8 workpieces clamped on it to move to the left, so that the 8 workpieces pass through the slot milling station II in turn, and The V-shaped grooves on the 8 workpieces are milled out in turn by the milling power head to complete the milling grooves;

Step 6: After the slot milling process is completed, the linear sliding worktable drives the hydraulic fixture to continue to move to the left to the unloading station III, and the hydraulic cylinder of the hydraulic fixture drives the pull rod and the pressure plate to move upward to release the workpiece, and the unloading mechanism will The workpiece is pushed into the hopper to complete the unloading;

Step 7. After the unloading is completed, the unloading device returns, and the linear sliding worktable drives the hydraulic clamp to return to the drilling station I to the right to complete the return.

As a further preferred mode, in the first step, the workpiece enters through the groove above the rotary material distribution sleeve, when the workpiece is transferred to the lower groove with the rotary material distribution shaft, the workpiece falls into the material distribution groove from the lower groove, The push rod mechanism of the material distribution device pushes the workpieces to the left, and the 8 workpieces fall into the 8 feeding troughs through the opening slots on the material distribution chute.

Working process of the present invention is:

When drilling and milling the shift rod, put the pre-processed round bar into the feeding device, and the feeding device will distribute the materials. When the feeding signal is received, the feeding mechanism will send 8 workpieces into the hydraulic pressure. Positioning and clamping are carried out in the 8 V blocks of the fixture. After the workpiece is clamped, on the one hand, the feeding device retreats to carry out the next material distribution, waiting for the next feeding signal, and on the other hand, the drilling power head completes the 8 workpiece radial For hole processing, the drilling power head is retracted to the position, and a signal is sent to control the linear sliding table to drive the hydraulic fixture to pass through the slot milling station II, and the milling power head completes the milling of three V-shaped grooves. After the completion, the linear sliding table drives the hydraulic clamp to quickly move to the unloading station III, and sends out an unloading signal. The hydraulic clamp releases the workpiece first, and then the unloading device pushes the processed workpiece into the hopper, and the unloading is completed. Finally, a reset signal is sent to control the linear sliding table to drive the hydraulic clamp to quickly return to the drilling station I and wait for the next working cycle.

Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention adopts the automatic cycle process flow of "feeding→clamping→drilling→milling→unloading" to realize the radial hole of the gear lever and the vertical hole perpendicular to the radial hole. Fully automatic machining of three V-shaped grooves; multiple shift rods can be processed in one cycle. The drilling power head and milling power head are installed on the bed through the position adjustment device, which can realize the drilling and milling of shift rods of different specifications , can expand the processing range of the equipment and improve the utilization rate; the entire processing process is fully automated without manual intervention, and the processing efficiency is high, the processing quality is stable, and the technical requirements for workers are low, and one worker can take care of multiple devices at the same time, which is conducive to reducing Reduce labor costs and improve the production capacity of manufacturing enterprises.

Description of drawings

Figure 1 is a schematic diagram of the front view of a special machine tool for automatic drilling and milling of an automotive transmission shift rod;

Fig. 2 is a schematic diagram of an enlarged structure at P in Fig. 1;

Fig. 3 is a schematic diagram of the A-A sectional structure of the special machine tool for drilling and milling automatic processing of the shift rod of the automobile transmission;

Fig. 4 is a schematic diagram of the B-B sectional structure of the special machine tool for drilling and milling automatic processing of the shift rod of an automobile transmission;

Fig. 5 is the schematic front view of the structure of the feeding device in Fig. 1;

Fig. 6 is a schematic left view of the structure of the feeding device in Fig. 1;

Fig. 7 is a schematic front view of the hydraulic clamp structure in Fig. 1;

Fig. 8 is a schematic left view of the hydraulic clamp structure in Fig. 1;

Fig. 9 is a schematic diagram of the work flow of the special machine tool for automatic drilling and milling of the shift lever of the automobile transmission according to the present invention.

Its accompanying figure number description is as follows:

1-bed; 2-feeding device; 3-hydraulic fixture; 4-drilling power head; 5-linear sliding table; 6-milling power head; 7-unloading device; 8-silo; 9-hopper ; 10-first distribution device; 12-second distribution device; 11-distribution chute; 13-feeding device; 14-clamp body; -side support plate; 19-pressure plate; 20-tie rod; 21-fixed drill sleeve; 22-drill template; 23-hydraulic cylinder base; 24-hydraulic cylinder; ; 27-support plate; 30-small hole; 31-forming groove; 32-radial hole; 35-push rod mechanism; 61-horizontal linear moving device;

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

All features disclosed in this specification, or steps in all disclosed methods or processes, except for mutually exclusive characteristics and/or steps, can be combined in any way, unless otherwise stated, they can be used by other equivalent or similar Instead, each feature is intended to be replaced by alternative features, that is, each feature is only one embodiment of a series of equivalent or similar features unless stated otherwise.

Figures 1-7 show the special machine tool for automatic drilling and milling of the shift rod of the automobile transmission provided by the embodiment of the present invention. For the convenience of description, only the parts related to the embodiment of the present invention are shown.

Example 1

As shown in Figure 1, Figure 2, and Figure 3, a special machine tool for automatic drilling and milling of automotive transmission shift rods, including a bed 1, a feeding device 2, a hydraulic fixture 3, a drilling power head 4, and a linear sliding table 5. Milling power head 6, unloading device 7 and silo 8. The bed 1 is used to install various mechanical components, and is the main body of the machine tool, which can be manufactured by welding and casting; the feeding device 2 is used to realize automatic feeding, and adopts an automatic cycle process of "separation-feeding"; The drilling power head 4 is used for the machining of the radial hole 32 of the shift lever, and has 8 spindles, which can simultaneously process 8 workpieces at the same time, and the drilling power head is installed on the bed 1 through a power slide, so The relative position between the drill bit and the workpiece can be adjusted to realize the drilling of shift rods of different specifications; the linear sliding table 5 is used to install the hydraulic clamp 3, and driven by the electric motor, the hydraulic clamp 3 is driven in three working positions. reciprocating movement between the positions to realize the drilling and milling process of the shift rod; the unloading device 7 is used to take the workpiece out of the hydraulic fixture and put it into the silo 8; the silo 8 is used to place the processed The finished artifact.

The whole machine tool is divided into three stations: drilling station I, milling station II and unloading station III. The linear sliding table 5 is set at the drilling station I, and the hydraulic clamp 3 is set at the On the workbench of the workbench 5, the feeding device 2 and the drilling power head 4 are respectively arranged on the bed 1 on both sides of the drilling station I, and the milling power head 6 is arranged on the bed on the side of the milling station II 1, the unloading device 7 and the silo 8 are respectively arranged on the bed 1 on both sides of the unloading station III; And switch between the three stations of unloading station III.

Wherein: as shown in Fig. 5 and Fig. 6: the feeding device 2 includes a hopper 9, a first distributing device 10, a second distributing device 12, a feeding device 13, a bottom plate 28 and a support plate 27; the support plate 27 is located on the bottom plate 28, the hopper 9 is located between the two support plates 27, the first distributing device 10 is located at the bottom of the hopper 9, the second distributing device 12 is located below the first distributing device 10, and the feeding device 13 is arranged along the The axial direction of the feeding chute is set on the bottom plate 28 . The first distribution device 10 includes a rotary distribution shaft 25 and a rotary distribution sleeve 26. Eight distribution grooves are evenly distributed on the rotary distribution shaft 25. The top and bottom of the rotary distribution sleeve 26 are slotted and fixed on the support. On the plate 27, the second distributing device 12 includes a distributing chute 11 and a push rod mechanism.

As shown in Figures 7 and 8: the hydraulic clamp 3 includes a clamp body 14, a connecting plate 16, a V block 17, a side support plate 18, a pressure plate 19, a pull rod 20, a hydraulic cylinder base 23, a hydraulic cylinder 24, a fixed drill Cover 21, drilling template 22 and tool setting block 15; hydraulic fixture 3 is set on the linear sliding workbench 5 through the clamp body 14, the connecting plate 16 is set on the clamp body 14, and the V block 17 and the side support plate 18 are set on the The top surface of the connecting plate 16, the hydraulic cylinder base 23 is located on the bottom surface of the connecting plate 16, the hydraulic cylinder 24 is located on the bottom surface of the hydraulic cylinder base 23, one end of the pull rod 20 is connected with the piston rod of the hydraulic cylinder 24, and the other end is hinged with the pressure plate 19 connection, the piston rod of the hydraulic cylinder moves downward to realize the clamping of the workpiece, and upward to realize the loosening of the workpiece. In order to realize the simplification of the processing mechanism: the piston rod of the hydraulic cylinder 24 is connected with two pull rods 20, and the workpiece can be clamped from two points. Ensure reliable clamping; the upper end of the pull rod 20 is connected to the pressing plate 19 through a hinge, so one hydraulic cylinder can realize the clamping of two workpieces. The fixed drill bushing 21 is arranged on the drill template 22, and the drill template 22 is arranged on the V block 17 for positioning and guiding of the drill bit, so as to reduce the axis deviation during drilling and ensure the drilling quality. The tool setting block 15 is arranged on the connecting plate 16, and its purpose is to use it as a reference to realize quick adjustment of the position of the milling cutter after the milling cutter is replaced or the milling cutter is worn.

The side support plate 18 and the V block 17 are provided with the aperture 30 corresponding to each other and the diameter is smaller than the workpiece. When unloading, the ejector pin of the unloading device pushes the workpiece out through the aperture to realize unloading.

The drilling power head 4 is slidingly arranged on the bed 1 and can move vertically and laterally.

The drilling power head 4 is provided with 8 main shafts, and is an eight-head drilling head, which can simultaneously drill holes on eight shift rods, and the drilling power head can adjust the position horizontally to process different positions on the shift rod. location of the hole. Specifically, the drilling power head 4 uses two motors to drive four spindles to rotate at the same time. Driven by the two motors, the eight spindles rotate at the same time. The drill bit installed on the spindle rotates with the spindle. The mechanism makes the drilling power head go down, which can realize radial hole processing on 8 workpieces.

As shown in Figure 4: the milling power head 6 is used to complete the milling of three V-shaped grooves 31, it is located on the horizontal linear moving device, the linear moving device is located on the vertical lifting device, the linear moving device and the vertical The lifting device adopts screw nut mechanism. The position of the milling power head can be adjusted horizontally and vertically to meet the requirements of changing tools and processing grooves at different positions; the milling power head 6 can move vertically to adjust the depth of the forming groove 31, that is, the back cutting amount of the forming milling cutter, and the horizontal movement can adjust The distance between the forming groove 31 and the end surface of the workpiece.

The drilling and milling process of this machine includes the following processing steps:

The first step, the hydraulic clamp 3 is in the drilling station 1, put the processed workpiece into the hopper 9 of the feeding device 2, start the milling power head 6, the feeding mechanism 2 starts to work, and its first distribution device 10 Separate 8 workpieces at a time to complete the material distribution;

In the first step, the workpiece enters through the upper groove of the rotary material distribution sleeve 26. When the workpiece is transferred to the lower groove with the rotary material distribution shaft 25, the workpiece falls into the material distribution groove 11 from the lower groove, and passes through the distribution material. The push rod mechanism 35 of the device 12 pushes the workpiece to the left, and 8 workpieces fall into 8 feeding troughs through the opening slots on the material distribution chute 11 successively.

In the second step, the second distributing device 12 puts 8 workpieces into the feeding chute respectively, and sends the 8 workpieces into the 8 V blocks 17 of the hydraulic clamp through the feeding device 13 for positioning, and completes the feeding;

The third step, the positioning of 8 workpieces is completed, the workpieces are quickly positioned in the hydraulic fixture 3 by means of the V block 17 and the side support plate 18, and the pressure oil is injected into the hydraulic cylinder 24, and the piston rod of the hydraulic cylinder 24 drives the pressure plate 19 through the pull rod 20 Realize the downward movement of the workpiece and clamp the workpiece. In order to reduce the number of hydraulic cylinders, one hydraulic cylinder realizes the clamping of two workpieces. The fixture clamps 8 workpieces for processing at the same time, so four hydraulic cylinders are required;

Step 4: After the 8 workpieces are clamped, the drilling power head 4 uses two motors to drive 8 spindles to rotate at the same time, and the drill bit installed on the spindle rotates with the spindle, so that the drilling power head moves down to realize 8 spindles. Drilling of radial holes on the workpiece to complete the drilling;

Step 5: After the drilling process is completed, the drilling power head returns, and the linear sliding table 5 drives the hydraulic fixture 3 and the 8 workpieces clamped on it to move to the left, so that the 8 workpieces pass through the slot milling station II in turn. , and the V-shaped grooves 31 on 8 workpieces are milled out in turn by the milling power head 6 to complete the milling grooves;

Step 6: After the groove milling process is completed, the linear sliding worktable 5 drives the hydraulic clamp 3 to continue to move to the left to the unloading station III, and the hydraulic cylinder 24 of the hydraulic clamp 3 drives the pull rod 20 and the pressure plate 19 to move upward, and the clamp is released first , and then release the workpiece, and the workpiece is pushed into the bin 8 by the unloading mechanism 7 to complete the unloading;

In the seventh step, after the unloading is completed, the unloading device 7 returns, and the linear sliding workbench 5 drives the hydraulic clamp 3 to return to the drilling station 1 to the right to complete the return.

The specific processing process using this special processing machine tool is as follows:

As shown in Figure 9: Through the automatic cycle process of "loading → clamping → drilling → milling → unloading-returning", the processing of 8 shift levers can be realized at the same time, and 8 workpieces can be processed in one working cycle. , a single working cycle time does not exceed 120s. Among them: feeding is divided into material distribution and feeding, the material distribution time is less than 10S, the feeding time is less than 10S, the material feeding is realized by the feeding device 2; the clamping time is less than 3S, and the clamping is realized by the hydraulic clamp 3; the drilling time is less than 12S , the drilling is completed by the drilling power head 4; the milling time is less than 70S, and the milling is completed by the milling power head 6; the unloading time is less than 15S, and the unloading is completed by the unloading device 7. The linear sliding table 5 drives the hydraulic fixture 3 and the 8 workpieces clamped on it to circulate among the three stations of drilling station I, milling station II and unloading station III, and its function is to realize The workpiece is quickly positioned and clamped to improve processing efficiency.

The specific processing flow is as follows:

At the beginning, the hydraulic clamp 3 is in the original position, that is, the drilling station I, as shown in Figure 1, put the processed round bar into the hopper 9 of the feeding device, as shown in Figure 3; then press the start button button, the motors of the milling power head and the drilling power head start, and the feeding mechanism 2 starts to work, and the first distribution device 10 separates 8 bars at a time, and then the 8 bars are separated by the second distribution device 12. Put them into the feeding chute respectively, as shown in Figure 3; finally, send 8 bars into the 8 V-shaped positioning blocks of the hydraulic clamp through the feeding device 13 for positioning. Specifically, the workpiece is positioned in the hydraulic clamp using V blocks and side The support is used as a positioning element, and the outer circle of the workpiece and one end surface are used as the positioning surface for positioning to complete the loading process.

After the positioning of the 8 bars is completed, a signal is sent to control the hydraulic cylinder 24 of the hydraulic fixture 8 to drive the pull rod 20 and the pressure plate 19 to move downward to clamp the workpiece, thereby realizing the clamping process.

After the 8 workpieces are clamped in place, the 4 heads of the drilling power move down through the feed mechanism to complete the drilling of the radial holes on the 8 workpieces, thereby realizing the drilling process.

After the drilling process is completed, the drilling power head returns, and the linear sliding worktable 5 drives the hydraulic clamp 3 and the 8 workpieces clamped on it to move to the left, so that the 8 workpieces pass through the milling station II in turn, and are processed by the milling machine. The power head mills out the V-shaped grooves on 8 workpieces in sequence, so as to realize the groove milling process.

After the groove milling is completed, the linear sliding table 5 drives the hydraulic clamp 3 to continue to move to the left until the unloading station III stops accurately, and the hydraulic cylinder 24 of the hydraulic clamp 3 drives the pull rod 20 and the pressure plate 19 to move upward to loosen the workpiece, and The unloading mechanism 7 pushes the workpiece into the bin 8, thereby realizing the unloading process.

After the unloading is completed, the unloading device 7 returns, and the linear sliding workbench 5 drives the hydraulic clamp 3 to return to the original position (I station) to stop accurately, realize the return process, and start the next working cycle, so reciprocating to realize the replacement. The automation of the drilling and milling process of the retaining rod.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (10)

1. a shifting vehicle gearbox bar drill mills automatic Special Purpose Machine for Processing; Comprise lathe bed, feeding device, hydraulically operated fixture, drill unit, linear slide workbench, milling unit head, device for discharging and feed bin; It is characterized in that: lathe is provided with boring station I, groove milling station II and three stations of unloading station III; Said linear slide workbench is located at boring station I place, and hydraulically operated fixture is located on the workbench of linear slide workbench, and feeding device and drill unit are located at respectively on the lathe bed of boring station I both sides; Milling unit head is located on the lathe bed of groove milling station II one side, and device for discharging and feed bin are located at respectively on the lathe bed of unloading station III both sides; Said hydraulically operated fixture is changed between boring station I, groove milling station II and three stations of unloading station III through the linear slide workbench.

2. shifting vehicle gearbox bar drill as claimed in claim 1 mills automatic Special Purpose Machine for Processing, it is characterized in that: said feeding device comprises hopper, first feeding-distribution device, second feeding-distribution device, pay-off, base plate and support plate; Said support plate is located on the base plate, and hopper is located between two support plates, and first feeding-distribution device is located at the hopper bottom, and second feeding-distribution device is located at below first feeding-distribution device, and pay-off is located on the base plate along the chute feeder axis direction.

3. shifting vehicle gearbox bar drill as claimed in claim 2 mills automatic Special Purpose Machine for Processing; It is characterized in that: first feeding-distribution device comprises revolution sub-material axle and revolution sub-material sleeve; Be evenly equipped with 8 material-dividing grooves on the revolution sub-material axle; The revolution upper and lower fluting of sub-material sleeve and being fixed on the support plate, second feeding-distribution device comprises material-dividing groove and transfer bar mechanism.

4. mill automatic Special Purpose Machine for Processing like the described shifting vehicle gearbox bar drill of arbitrary claim in claim 1 or 3, it is characterized in that: said hydraulically operated fixture comprises clamp body, connecting plate, V piece, lateral bolster fagging, pressing plate, pull bar, hydraulic cylinder pedestal, hydraulic cylinder, fixedly drill bushing, bushing plate and feeler block; Hydraulically operated fixture is located on the linear slide workbench through clamp body, and said connecting plate is located on the clamp body, and V piece, lateral bolster fagging are located at the connecting plate end face; The hydraulic cylinder pedestal is located at the connecting plate bottom surface, and hydraulic cylinder is located at the hydraulic cylinder base bottom surface, and an end of pull bar is connected with the piston rod of hydraulic cylinder; The other end is connected with the pressing plate hinge; Fixedly drill bushing is located on the bushing plate, and bushing plate is located on the V piece, and feeler block is located on the connecting plate.

5. shifting vehicle gearbox bar drill as claimed in claim 4 mills automatic Special Purpose Machine for Processing, it is characterized in that: lateral bolster fagging and V piece are provided with the aperture of mutual corresponding, diameter less than workpiece.

6. shifting vehicle gearbox bar drill as claimed in claim 5 mills automatic Special Purpose Machine for Processing, it is characterized in that: drill unit slides and is located on the lathe bed, can vertical and horizontal moving.

7. shifting vehicle gearbox bar drill as claimed in claim 6 mills automatic Special Purpose Machine for Processing, it is characterized in that: said drill unit is provided with 8 main shafts.

8. shifting vehicle gearbox bar drill as claimed in claim 7 mills automatic Special Purpose Machine for Processing; It is characterized in that: said milling unit head is located on the horizontal linear moving apparatus; Linear moving apparatus is located on the vertical lift device; Milling unit head can vertically move the degree of depth of regulating grooving, laterally moves the distance of regulating between grooving and the workpiece end face.

9. shifting vehicle gearbox bar drill as claimed in claim 8 mills automatic Special Purpose Machine for Processing, it is characterized in that: brill mills processing and comprises following procedure of processing:

The first step, hydraulically operated fixture are in boring station I, and the workpiece that processes is put into the hopper of feeding device, start milling unit head, and feed mechanism is started working, and once tells 8 workpiece by its first feeding-distribution device, accomplishes sub-material;

Second step, second feeding-distribution device 12 puts into chute feeder respectively with 8 workpiece, through pay-off 8 workpiece sent in 8 V pieces of hydraulically operated fixture and located, and accomplishes material loading;

Accomplish the 3rd step, 8 workpiece location, and workpiece relies on V piece and lateral bolster fagging to locate fast in hydraulically operated fixture, in hydraulic cylinder, feeds pressure oil, and the piston rod of hydraulic cylinder moves downward through the firm and hard existing workpiece of pull bar drive pressure, and workpiece is clamped, and accomplishes clamping;

After the 4th step, 8 workpiece clamp and accomplish; Drill unit adopts 8 main shafts of two motor driven to rotate simultaneously, is installed in drill bit on the main shaft with main axis rotation, and drill unit is moved down; Realize the Drilling Operations of radial hole on 8 workpiece, accomplish boring;

After the 5th step, boring machine; Drill unit is return, and the linear slide workbench drives hydraulically operated fixture and clamping 8 workpiece above that are moved to the left, and makes 8 workpiece successively through groove milling station II; And mill out 8 V-arrangement groovings on the workpiece successively by milling unit head, accomplish groove milling;

After the 6th step, groove milling machine; The linear slide workbench drives hydraulically operated fixture and continues to be moved to the left unloading station III, and the hydraulic cylinder of hydraulically operated fixture drives pull bar and pressing plate moves upward, and unclamps workpiece; And by shedding mechanism workpiece is pushed in the feed bin, accomplish discharging;

After the 7th step, discharging were accomplished, device for discharging was return, and the linear slide workbench drives hydraulically operated fixture and returns to boring station I to the right, accomplishes return.

10. shifting vehicle gearbox bar drill as claimed in claim 9 mills automatic Special Purpose Machine for Processing; It is characterized in that: in the first step; Workpiece gets into through the groove above the revolution sub-material sleeve, and when the groove below workpiece forwards to revolution sub-material axle, workpiece falls into material-dividing groove from following groove; Transfer bar mechanism through feeding-distribution device is with the workpiece promotion of turning left, and 8 workpiece are fallen in 8 chute feeders through the open slot place on the material-dividing groove successively.

Images