CN202123250U

CN202123250U - Hydraulic automatic machine tool

Info

Publication number: CN202123250U
Application number: CN201120154908XU
Authority: CN
Inventors: 柳品法
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-16
Filing date: 2011-05-16
Publication date: 2012-01-25
Anticipated expiration: 2021-05-16

Abstract

The utility model discloses a hydraulic automatic machine tool which comprises a rack; and a main shaft mechanism, a carriage cutter feeding mechanism, a feeding mechanism, a main shaft clamping mechanism, an oil pump, a cutting motor and an oil tank. By means of the technical scheme, the feeding, the clamping, the machining and the fully-automatic cutter change of the hydraulic machine tool are realized, the structure is simple and reliable, the machining efficiency is improved and the machining quality is ensured.

Description

A kind of hydraulic automatic lathe

Technical field

The utility model relates to a kind of lathe, relates in particular to a kind of hydraulic automatic lathe.

Background technology

Lathe generally is used to process revolving body workpieces, can working shaft-like, disk-like accessory, and for the processing of axial workpiece, its blank is a long pole, also need cut off processing.Lathe is made up of parts such as main spindle box, lathe bed, planker, tailstocks.The planker of engine lathe is made up of one group of orthogonal cross slide and vertical planker, and planker is moved by driven by motor.Knife rest places on the planker, and cutter is installed on the knife rest.When processing parts, adopt manually control, promptly manually clamp, locate and lock workpiece; Manually control displacement vertical, cross slide, manual tool changing, this makes that the working (machining) efficiency of lathe is low; Labour intensity is big; Machining accuracy is difficult to again guarantee, causes percent defective high, can't satisfy the needs of modern processing industry development.Hydraulic lathe is controlled the direction of planker or the motion of both direction through oil cylinder, realizes automanual processing, but existing hydraulic lathe can not be realized self-feeding, clamping work pieces and tool changing.

Summary of the invention

In order to solve above-mentioned technical problem; The purpose of the utility model provides a kind of hydraulic automatic lathe; Can utilize pneumatic, hydraulic pressure, machine driving and programme-control to realize the full-automation of feeding, clamping, processing and the tool changing of hydraulic lathe, improve working (machining) efficiency, guarantee crudy.

In order to reach above-mentioned purpose, the technical scheme below the utility model has adopted:

A kind of hydraulic automatic lathe comprises frame, and frame is provided with mainshaft mechanism, planker delivering gear, feed mechanism, main shaft clamp mechanism, oil pump, cutting blade motor and fuel tank.

Said mainshaft mechanism comprises the main spindle box that is installed on the lathe bed; Through the bearing rotation main shaft is set on the main spindle box; Main shaft and cutting blade motor are in transmission connection, plug-in mounting chuck in the main shaft, chuck front end stretch out main shaft and with the main shaft cone match; The chuck rear end is fixedly connected with the tension hollow shaft, and tension hollow shaft sky is inserted in the main shaft and rear-end of spindle is stretched out in its rear end.

As preferably, said main shaft clamp mechanism comprises the clamping push-plate that is set on the main shaft, clamps sliding sleeve, bearing and bearing block fork, clamps push-plate and is fixedly connected with main shaft; One clamp lever front end offsets with the clamping push-plate through protruding; This clamp lever have one along axial long-armed of main shaft and one along main shaft diameter to galianconism, this long-armed tail end is upturned, this long-armed overhead cover clamps sliding sleeve and bearing; The galianconism that clamps sliding sleeve front end and clamp lever offsets; Clamp the sliding sleeve rear end and be fixedly connected with the rear end of tension hollow shaft, bearing outside installation shaft bearing fork, the bearing block fork promotes to realize moving bearing through clamping cylinder.

Further preferred, evenly be distributed with a plurality of clamp lever along clamping push-plate and bearing circumference.Simple in structure like this, reliable.

Further preferred, said clamping sliding sleeve rear end is fixedly connected with the rear end of tension hollow shaft through sliding sleeve nut, hollow shaft adapter sleeve.

As preferably; Said planker delivering gear comprises the planker that crosses feed that laterally is slidingly connected with lathe bed; The planker that crosses feed carries out laterally moving through the hydraulic oil cylinder driving of crossing feed; Longitudinal sliding motion is connected with two independently length feed plankers on the said planker that crosses feed, and the length feed planker vertically moves through the length feed hydraulic oil cylinder driving, and cutter is installed on the length feed planker.

Further preferred, the said planker threaded one end that crosses feed be connected with one can with the lathe bed spacing screw rod that offsets, screw rod is provided with the lateral adjustments degrees wheel.

Further preferred; Said length feed oil cylinder comprises the oil cylinder case; The cylinder connector at oil cylinder case two ends is provided with logical hydraulic fluid port; On one of them cylinder connector travel switch is installed, sliding in the oil cylinder case plugs cylinder rod, and the threaded one end of cylinder rod is connected with the vertical adjusting degrees wheel that matches with travel switch.

As preferably; Said feed mechanism comprises the mount pad that is installed on the main spindle box; Mount pad is provided with the feeding guide groove A that can supply the bar work slippage, and the rear end of feeding guide groove A is provided with the back feeding cylinder, and the piston rod of back feeding cylinder stretches in the feeding guide groove A; The front end of feeding guide groove A is provided with the feeding guide groove B that can supply the bar work slippage; Feeding guide groove B slides up and down the dead ahead that is connected and can moves to main shaft chuck with mount pad, and mount pad is provided with feeding cylinder, and said feeding guide groove B is fixedly connected with the piston rod of last feeding cylinder; The place ahead of feeding guide groove B is equipped with the feeding rod that stretches in the feeding guide groove B and can pass bar work through support, on the frame through mounting bracket set up can be when feeding guide groove B descends the preceding feeding cylinder of pushing tow feeding rod.

Further preferred, said mounting bracket is provided with the microswitch of guide post and control stroke.

Further preferred, said mount pad is provided with pendulum material swash plate or the vibrating bunker of putting bar work.

Further preferred, said feeding guide groove B slides up and down with mount pad through guide post and is connected.

The utility model has been realized the full-automation of feeding, clamping, processing and the tool changing of hydraulic lathe owing to adopted above technical scheme, and is simple and reliable for structure, improved working (machining) efficiency, guaranteed crudy.

Description of drawings

Fig. 1 is the perspective view (forward sight) of embodiment 1;

Fig. 2 is the perspective view (forward sight) of embodiment 1;

Fig. 3 is the perspective view (part) of embodiment 1;

Fig. 4 is the structural representation of embodiment 1 mainshaft mechanism;

Fig. 5 is the structural representation of embodiment 1 planker delivering gear;

Fig. 6 is the structural representation of embodiment 1 length feed oil cylinder;

Fig. 7 is the structural representation of embodiment 1 feed mechanism;

Fig. 8 is the hydraulic schematic diagram of embodiment 1;

Fig. 9 is the pneumatic schematic diagram of embodiment 1;

Figure 10 is the circuit interconnect pattern of embodiment 1;

Figure 11 is the control flow chart of embodiment 1.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the utility model is done a detailed explanation.

Embodiment 1:

Like Fig. 1, a kind of hydraulic automatic lathe shown in Figure 2; Comprise frame 1, frame 1 is provided with mainshaft mechanism 2, planker delivering gear 3, feed mechanism 4, electric appliance box 5, the groove 6 that connects material, control panel 7, pendulum material swash plate 8, main shaft clamp mechanism 9, oil pump 10, cutting blade motor 11 and fuel tank 12.

Like Fig. 3, shown in Figure 4; Said mainshaft mechanism 2 comprises the main spindle box 25 that is installed on the lathe bed 21, through the bearing rotation main shaft 23 is set on the main spindle box 25, and main shaft 23 is in transmission connection through belt wheel 26 and cutting blade motor 11; Plug-in mounting chuck 22 in the main shaft 23; Chuck 22 front ends stretch out main shaft 23 and with main shaft 23 cone match, chuck 22 rear ends are fixedly connected with tension hollow shaft 24, tension hollow shaft 24 skies are inserted in the main shaft 23 and main shaft 23 rear ends are stretched out in its rear end.Said main shaft clamp mechanism 9 comprises clamping push-plate 97, clamping sliding sleeve 96, bearing 95, bearing block fork 94, a plurality of clamp lever 93, sliding sleeve nut 92, the hollow shaft adapter sleeve 91 that is set on the main shaft 23; Clamping push-plate 97 is fixedly connected with main shaft 23; A plurality of clamp lever 93 evenly distributes along circumference; Clamp lever 93 front ends offset with clamping push-plate 97 through protruding; Clamp lever 93 have one along axial long-armed of main shaft and one along main shaft diameter to galianconism, this long-armed tail end is upturned, and is set with on this is long-armed to clamp sliding sleeve 96 and bearing 95; The galianconism that clamps sliding sleeve 96 front ends and clamp lever 93 offsets; Clamp sliding sleeve 96 rear ends and be fixedly connected with the rear end of tension hollow shaft 24 through sliding sleeve nut 92, hollow shaft adapter sleeve 91, bearing 95 outside installation shaft bearing forks 94, bearing block fork 94 promotes to realize moving bearing 95 through clamping cylinder.Like this, clamp lever 93 is a fulcrum with the front end convexity, is power arm with long-armed; With the galianconism is resistance arm, when clamping, clamps cylinder impeller-hub bearing fork 94 and bearing 95 and moves backward; The long-armed perk end of bearing 95 inner rings compressing clamp lever 93 makes it to rotate around the protruding fulcrum of front end; Simultaneously the galianconism of clamp lever 93 promotes the clamping sliding sleeve 96 that offsets with it backward, clamps sliding sleeve 96 and drives the tension hollow shaft 24 that is fixedly connected with it and move backward, thereby contract clamping behind the chuck 22; When unclamping; Clamping cylinder 98 impeller-hub bearing forks 94 and bearing 95 moves forward; Bearing 95 inner rings unclamp the long-armed perk end of clamp lever 93 and promote to clamp sliding sleeve 96 reaches, and clamping sliding sleeve 96 drives the tension hollow shaft 24 that is fixedly connected with it and moves forward, thus chuck 22 sinciput distendings.

Like Fig. 3, shown in Figure 5; Said planker delivering gear 3 comprises the planker 31 that crosses feed that laterally is slidingly connected with lathe bed 21; The planker 31 that crosses feed drives through the oil cylinder 37 that crosses feed and carries out laterally moving; Longitudinal sliding motion is connected with two independently length feed plankers 33,35 on the said planker 31 that crosses feed, and length feed planker 33,35 drives through length

feed oil cylinder

34,36 and vertically moves, and cutter is installed on the length feed planker 33,35; Planker 31 threaded one ends that cross feed be connected with one can with the lathe bed 21 spacing screw rod that offsets; Screw rod is provided with lateral adjustments degrees wheel 32, can adjust screw rod and the relative position of planker 31 1 ends and then cooperate with sensor of crossing feed and reaches the cross feed purpose of oil cylinder 37 actuating lengths of adjustment through regulating this degrees wheel 32; The structure of length

feed oil cylinder

34,36 is as shown in Figure 6; The cylinder connector 361,364 at oil cylinder case 362 two ends is provided with logical hydraulic fluid port; Travel switch seat 365, travel switch 366 and switch overcoat 367 are installed on one of them cylinder connector 364; Slide in the oil cylinder case 362 and plug cylinder rod 363; One end of cylinder rod 363 is provided with the vertical adjusting degrees wheel 368 that matches and use with travel switch 366; This degrees wheel 368 is threaded with cylinder rod 363, and this end of cylinder rod 363 nut 369 that also is threaded simultaneously just can be adjusted the actuating length of length

feed oil cylinder

34,36 like this through rotation degrees wheel 368 its relative positions on cylinder rod 363 of adjustment.Different according to employed number of cutters; Can increase or reduce the quantity that the length feed planker is set; Dismounting for ease adjustment is installed on the mount pad one group of formation with said length feed planker and length feed oil cylinder in the present embodiment, and present embodiment has two groups.Above-mentioned is the direction parallel with main-shaft axis vertically, and above-mentioned is the direction vertical with main-shaft axis laterally.Travel switch is by the unified control of PLC.

Like Fig. 3, shown in Figure 7; Said feed mechanism 4 comprises the mount pad 42 that is installed on the main spindle box 25; Mount pad 42 is provided with the pendulum material swash plate 8 of putting bar work and can supplies the feeding guide groove A45 of bar work slippage; The rear end of feeding guide groove A45 is provided with back feeding cylinder 41, and the piston rod of back feeding cylinder 41 stretches in the feeding guide groove A45 and can pass bar work, and the front end of feeding guide groove A45 is provided with the feeding guide groove B46 that can supply the bar work slippage; Feeding guide groove B46 slides up and down with mount pad 42 through guide post and is connected; Mount pad 42 is provided with feeding cylinder 43, and said feeding guide groove B46 is fixedly connected with the piston rod of last feeding cylinder 43, and the front end of feeding guide groove B46 is equipped with the feeding rod 47 that stretches in the feeding guide groove B46 and can pass bar work through support 461; On the frame 1 through mounting bracket 49 set up can be when feeding guide groove B46 descends the preceding feeding cylinder 44 of pushing tow feeding rod 47, mounting bracket 49 also is provided with the microswitch 48 of guide post and control stroke.Bar work be placed in the material swash plate 8 on and one time one slip into feeding guide groove A45; Through back feeding cylinder 41 bar work is headed into feeding guide groove B46 again; Feeding guide groove B46 is positioned at main shaft chuck 22 front upper places and parallel with main-shaft axis; Last feeding cylinder 43 is moved downward to when below with feeding guide groove B46, and feeding guide groove B46 is positioned at main shaft chuck 22 dead aheads, thereby preceding feeding cylinder 44 action pushing tow feeding rods 47 are sent into the bar work in the feeding guide groove B46 in the main shaft chuck 22.Microswitch is by the unified control of PLC.

Hydraulic principle is as shown in Figure 8, and the oil cylinder 37 that crosses feed is by magnetic valve 101 control actions that cross feed, and two length

feed oil cylinders

34,36 are respectively by two length feed magnetic valves, 102,103 control actions; Pneumatic principle is as shown in Figure 9; Back feeding cylinder 41 is by back feeding magnetic valve 104 control actions; Last feeding cylinder 43 is by last feeding magnetic valve 105 control actions, and preceding feeding cylinder 44 clamps cylinder 98 by clamping magnetic valve 107 control actions by preceding feeding magnetic valve 106 control actions; These magnetic valves are by the unified control of PLC, and circuit connection is shown in figure 10.With turning, perforation processing is example, and program flow diagram is shown in figure 11.

Claims

1. a hydraulic automatic lathe comprises frame (1), it is characterized in that, frame (1) is provided with mainshaft mechanism (2), planker delivering gear (3), feed mechanism (4), main shaft clamp mechanism (9), oil pump (10), cutting blade motor (11) and fuel tank (12).

2. a kind of hydraulic automatic lathe according to claim 1; It is characterized in that; Said mainshaft mechanism (2) comprises the main spindle box (25) that is installed on the lathe bed (21), and main spindle box (25) is gone up through the bearing rotation main shaft (23) is set, and main shaft (23) is in transmission connection with cutting blade motor (11); The interior plug-in mounting chuck of main shaft (23) (22); Chuck (22) front end stretch out main shaft (23) and with main shaft (23) cone match, chuck (22) rear end is fixedly connected with tension hollow shaft (24), tension hollow shaft (24) sky is inserted in the main shaft (23) and main shaft (23) rear end is stretched out in its rear end.

3. a kind of hydraulic automatic lathe according to claim 2; It is characterized in that said main shaft clamp mechanism (9) comprises clamping push-plate (97), clamping sliding sleeve (96), bearing (95) and the bearing block fork (94) that is set on the main shaft (23), clamps push-plate (97) and is fixedly connected with main shaft (23); One clamp lever (93) front end offsets with clamping push-plate (97) through protruding; This clamp lever (93) have one along axial long-armed of main shaft and one along main shaft diameter to galianconism, this long-armed tail end is upturned, this long-armed overhead cover clamps sliding sleeve (96) and bearing (95); The galianconism that clamps sliding sleeve (96) front end and clamp lever (93) offsets; Clamp sliding sleeve (96) rear end and be fixedly connected with the rear end of tension hollow shaft (24), bearing (95) outside installation shaft bearing fork (94), bearing block fork (94) promotes to realize moving bearing (95) through clamping cylinder.

4. a kind of hydraulic automatic lathe according to claim 3 is characterized in that, evenly is distributed with a plurality of clamp lever (93) along clamping push-plate (97) and bearing (95) circumference.

5. a kind of hydraulic automatic lathe according to claim 4 is characterized in that, said clamping sliding sleeve (96) rear end is fixedly connected with the rear end of tension hollow shaft (24) through sliding sleeve nut (92), hollow shaft adapter sleeve (91).

6. a kind of hydraulic automatic lathe according to claim 2; It is characterized in that; Said planker delivering gear (3) comprises the planker that crosses feed (31) that laterally is slidingly connected with lathe bed (21); The planker (31) that crosses feed drives through the oil cylinder that crosses feed (37) and carries out laterally moving; The said planker that crosses feed (31) is gone up longitudinal sliding motion and is connected with two independently length feed plankers (33,35), and length feed planker (33,35) drives through length feed oil cylinder (34,36) and vertically moves, and cutter is installed on the length feed planker (33,35).

7. a kind of hydraulic automatic lathe according to claim 6 is characterized in that, the said planker that crosses feed (31) threaded one end be connected with one can with lathe bed (21) the spacing screw rod that offsets, screw rod is provided with lateral adjustments degrees wheel (32).

8. a kind of hydraulic automatic lathe according to claim 6; It is characterized in that; Said length feed oil cylinder (34,36) comprises oil cylinder case (362), and the cylinder connector (361,364) at oil cylinder case (362) two ends is provided with logical hydraulic fluid port, and travel switch (366) is installed on one of them cylinder connector (364); Slide in the oil cylinder case (362) and plug cylinder rod (363), the threaded one end of cylinder rod (363) is connected with the vertical adjusting degrees wheel (368) that matches with travel switch (366).

9. a kind of hydraulic automatic lathe according to claim 2; It is characterized in that; Said feed mechanism (4) comprises the mount pad (42) that is installed on the main spindle box (25); Mount pad (42) is provided with the feeding guide groove A (45) that can supply the bar work slippage; The rear end of feeding guide groove A (45) is provided with back feeding cylinder (41); The piston rod of back feeding cylinder (41) stretches in the feeding guide groove A (45), and the front end of feeding guide groove A (45) is provided with the feeding guide groove B (46) that can supply the bar work slippage, and feeding guide groove B (46) slides up and down the dead ahead that is connected and can moves to main shaft chuck (22) with mount pad (42); Mount pad (42) is provided with feeding cylinder (43); Said feeding guide groove B (46) is fixedly connected with the piston rod of last feeding cylinder (43), and the place ahead of feeding guide groove B (46) is equipped with the feeding rod (47) that stretches in the feeding guide groove B (46) and can pass bar work through support (461), frame (1) go up through mounting bracket (49) set up can be when feeding guide groove B (46) descends the preceding feeding cylinder (44) of pushing tow feeding rod (47).

10. root a kind of hydraulic automatic lathe according to claim 9 is characterized in that, said mount pad (42) is provided with pendulum material swash plate (8) or the vibrating bunker of putting bar work.