CN102528462B - Automatic machining machine tool for four-station valve body - Google Patents

Automatic machining machine tool for four-station valve body Download PDF

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CN102528462B
CN102528462B CN201210058039.XA CN201210058039A CN102528462B CN 102528462 B CN102528462 B CN 102528462B CN 201210058039 A CN201210058039 A CN 201210058039A CN 102528462 B CN102528462 B CN 102528462B
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station
cylinder
boring
ball bearing
thrust ball
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CN102528462A (en
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王维锐
石浩然
张世珍
葛正
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Taizhou Institute of Zhejiang University
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Taizhou Institute of Zhejiang University
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Abstract

本发明公开了一种四工位阀体自动加工机床，包括回转盘，回转盘通过离合器连接齿轮；在液压缸的作用下，齿条左右运动，带动与之啮合的齿轮旋转，齿轮通过离合器带动回转盘旋转，实现工位的转换；所述回转盘的圆周上均布有四个工位，第一工位位于回转盘的正上方，第二工位位于回转盘的正左方，第三工位位于回转盘的正下方，第四工位位于回转盘的正右方；待加工工件在第一工位上被安装定位，在第二工位上进行镗孔，在第三工位上进行攻丝，在第四工位上取下，完成上料、镗孔、攻丝、下料四个工序。本发明能够克服一个工件需要在多个机床上加工的缺点，大大提高加工效率，节省劳动力成本，并且保证产品质量稳定性。

Figure 201210058039

The invention discloses a four-station valve body automatic processing machine tool, which includes a rotary disc, which is connected to a gear through a clutch; under the action of a hydraulic cylinder, the rack moves left and right, driving the gear meshed with it to rotate, and the gear is driven by the clutch The turntable rotates to realize the conversion of stations; there are four stations evenly distributed on the circumference of the turntable, the first station is located directly above the turntable, the second station is located on the right left of the turntable, and the third station is located directly above the turntable. The station is located directly below the rotary table, and the fourth station is located on the right side of the rotary table; the workpiece to be processed is installed and positioned at the first station, bored at the second station, and drilled at the third station. Carry out tapping, take it off at the fourth station, and complete the four processes of feeding, boring, tapping, and blanking. The invention can overcome the disadvantage that one workpiece needs to be processed on multiple machine tools, greatly improve the processing efficiency, save labor cost, and ensure the stability of product quality.

Figure 201210058039

Description

Four station valve body automatic processing machine tools
Technical field
The present invention relates to a kind of lathe, be specifically related to a kind of four station valve body automatic processing machine tools.
Background technology
Valve is the requisite easy consumption product of modern industry, agricultural, chemical industry and daily life, and its valve body is mainly used universal machine tools to process.Because the application of universal machine tools is wide, must process not smart, and product quality affected by operator's human factor larger, stability can not well be guaranteed.
In addition, a workpiece needs many lathes jointly to complete, as needs adopt respectively hole enlarging machine tool, tapper etc.Chinese invention patent application 200910019846.9 discloses a kind of double-ended semiautomatic tapping machine of connecting, is exactly the special purpose machine tool for machining screw.The method of the common processing of this many lathes, needs a plurality of parts to have enough to meet the need, and causes production efficiency low.Along with market increases the demand of rotary body workpiece, the mode of production of obvious this poor efficiency has no longer adapted to the large-scale production of valve.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of four station valve body automatic processing machine tools, and it can integrate material loading, bore hole, tapping, discharging.
For solving the problems of the technologies described above, the technical solution of the present invention's four station valve body automatic processing machine tools is:
Comprise rotary disk 13, rotary disk 13 connects gear 43 by clutch 44; Under the effect of hydraulic cylinder, tooth bar side-to-side movement, drives gear 43 rotations that are engaged with, and gear 43 drives rotary disk 13 rotations by clutch 44, realizes the conversion of station; On the circumference of described rotary disk 13, be evenly equipped with four stations, the first station be positioned at rotary disk 13 directly over, the second station is positioned at the front-left of rotary disk 13, the 3rd station be positioned at rotary disk 13 under, the 4th station is positioned at the front-right of rotary disk 13; Workpiece to be processed is mounted location on the first station, carries out bore hole on the second station, on the 3rd station, carries out tapping, on the 4th station, takes off, and completes material loading, bore hole, tapping, four operations of blanking.
On described each station, be respectively arranged with one group of lever clamping mechanism, described lever clamping mechanism comprises lever 30, and lever 30 is fixed on the cylindrical of rotary disk 13 by lever pole 29; The Partner Connection Release nut 11 of lever 30, discharges nut 11 by spring guide pillar 32 linking springs 33; Spring 33 is fixedly installed on the cylindrical of rotary disk 13; The drive end of lever 30 connects top board 16, and top board 16 connects lower platen 28 by guide rod 27; Lower platen 28 is fixedly installed on the main bearing 12 of rotary disk 13.
The described lever clamping mechanism in the first station and the 4th station is respectively arranged with Pneumatic Pressure mechanism; Pneumatic Pressure mechanism comprises unloads carrier gas cylinder 8, unloads carrier gas cylinder 8 and by connecting rod 9, connects the top board 16 of described lever clamping mechanism.
The described lever clamping mechanism in the second station and the 3rd station is respectively arranged with pneumatically loading mechanism; Pneumatically loading mechanism comprises and adds carrier gas cylinder 39, and the piston that adds carrier gas cylinder 39 connects load bars 36 by connecting rod 38, and load bar 36 connects the top board 16 of described lever clamping mechanism; By adding carrier gas cylinder 39, drive connecting rod 38, make 36 pairs of top board 16 application of forces of load bar, complete the loading in process.
The both sides, front and back of described rotary disk 13 second stations are respectively arranged with a set of bore hole mechanism; Bore hole mechanism comprises bore hole main shaft 18, is provided with boring cutter 45 on bore hole main shaft 18; Bore hole main shaft 18 connects bore hole axis feeding driving mechanism and bore hole main shaft rotary drive mechanism; Described bore hole axis feeding driving mechanism comprises feeding cylinder 20, and one end of described bore hole main shaft 18 connects the piston of feeding cylinder 20; Feeding cylinder 20 promotes boring cutter 45 and realizes front and back feed motion; Described bore hole main shaft rotary drive mechanism comprises rotary drive motor 2, and described bore hole main shaft 18 connects rotary drive motor 2 by belt wheel 19; Rotary drive motor 2 drives bore hole main shaft 18, realizes the rotation of boring cutter 45.
One end of described bore hole main shaft 18 connects double-direction thrust ball bearing 55, and double-direction thrust ball bearing 55 is arranged in double-direction thrust ball bearing case 54, and double-direction thrust ball bearing case 54 connects the piston of feeding cylinder 20 by adapter sleeve capping 56.
On described bore hole main shaft 18, fixed cover is provided with axle sleeve 50, and axle sleeve 50 is connected with sleeve 48 by bearing 49; Boring cutter 45 is installed on sleeve 48; One end of sleeve 48 connects axle head capping 51, and axle head capping 51 connects described bore hole main shaft 18.
The both sides, front and back of described rotary disk 13 the 3rd station are respectively arranged with a set of tapper mechanism; Tapper mechanism comprises tapping transmission case driving shaft 24, on tapping transmission case driving shaft 24, is provided with screw tap; One end of tapping transmission case driving shaft 24 connects screw tap advance and retreat control cylinder 23, and screw tap advance and retreat control cylinder 23, for controlling the front and back feed motion of tapping transmission case driving shaft 24, makes the screw tap contact on tapping transmission case driving shaft 24 or leaves work piece; On tapping transmission case driving shaft 24, be arranged with rotating control wheel 60, rotating control wheel 60 connects respectively the passive angular wheel 58,62 of forward and backward by forward and reverse transmission cone friction drum 59,61; The passive angular wheel 58,62 of rotating is meshed with initiative taper generating gear 63, and initiative taper generating gear 63 connects belt wheel 65 by drive sprocket axle 64; By belt wheel 65 transmitting torques, make drive sprocket axle 64 work, drive sprocket axle 64 drives 63 rotations of initiative taper generating gear, initiative taper generating gear 63 and passive angular wheel 58,62 engagements of rotating, drive passive angular wheel 58,62 rotations of rotating, the passive angular wheel 58,62 of rotating drives 60 rotations of rotating control wheel by forward and reverse transmission cone friction drum 59,61, thereby drives 24 rotatings of tapping transmission case driving shaft; Rotating control wheel 60 connects double-direction thrust ball bearing 79, double-direction thrust ball bearing 79 is arranged in double-direction thrust ball bearing casing 78, double-direction thrust ball bearing casing 78 is by supporter 66 connecting ball head seats 67, in ball cup 67, be provided with bulb 68, bulb 68 connects screw tap rotating control cylinder 22 by connector 70; By screw tap rotating control cylinder 22, regulate double-direction thrust ball bearing 79, rotating control wheel 60 is contacted with forward transmission cone friction drum 59 or reverse drive cone friction drum 61, the passive angular wheel 58 of tapping transmission case driving shaft 24 and forward or the passive angular wheel 62 that reverses are connected, to control the direction of rotation of tapping transmission case driving shaft 24.
One end of described tapping transmission case driving shaft 24 is connected with double-direction thrust ball bearing case 74 by connecting rod 75, is provided with double-direction thrust ball bearing 73 in double-direction thrust ball bearing case 74; Double-direction thrust ball bearing case 74 connects the piston of screw tap advance and retreat control cylinder 23 by adapter sleeve cap seal 71.
On the end face of described rotary disk 13, be provided with four station locating holes 34; One side of rotary disk 13 is provided with positioning cylinder 41; When the station locating hole 34 that positioning cylinder 41 is aimed in below, can realize accurate location.
The technique effect that the present invention can reach is:
The rotation of the present invention by rotary disk and location and then complete material loading, bore hole, tapping, four operations of blanking, can overcome the shortcoming that a workpiece need to be processed on a plurality of lathes, greatly improve working (machining) efficiency, save labor cost, and ensure product quality stability.
Slew gear of the present invention can be realized rotation and send part, only needs workpiece to be positioned over fixture, just can deliver to processing stations by Automatic-clamping, realizes automation processing.
The present invention, in bore hole, tapping, can pick and place new work piece, greatly improves working (machining) efficiency.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of the present invention's four station valve body automatic processing machine tools;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structural representation of slew gear of the present invention;
Fig. 4 is the A-A cutaway view in Fig. 3;
Fig. 5 is the structural representation of bore hole of the present invention mechanism;
Fig. 6 is the partial schematic diagram of tapper mechanism of the present invention;
Fig. 7 is another partial schematic diagram of tapper mechanism of the present invention.
Description of reference numerals in figure:
1 is frame, and 2 is rotary drive motor,
3 is support, 6 gripper shoes,
7 is main shaft,
8 for unloading carrier gas cylinder, and 9 is connecting rod,
11 for discharging nut, and 12 is the main bearing of rotary disk,
13 is rotary disk, and 16 is top board,
18 is bore hole main shaft, and 19 is belt wheel,
20 is feeding cylinder, and 22 is screw tap rotating control cylinder,
23 is screw tap advance and retreat control cylinder, and 24 is tapping transmission case driving shaft,
27 is guide rod, and 28 is lower platen,
29 is lever pole, and 30 is lever,
31 is material loading workpiece discharge mechanism, and 32 is spring guide pillar,
33 is spring, and 34 is station locating hole,
35 is blanking workpiece discharge mechanism, and 36 is load bar,
37 for supporting fixture, and 38 is connecting rod,
39 for adding carrier gas cylinder, and 40 is air cylinder support,
41 is positioning cylinder, and 42 is pivot pin,
43 is gear, and 44 is overrunning cluth,
45 is boring cutter, and 48 is sleeve,
49 is bearing, and 50 is axle sleeve,
51 is axle head capping, and 52 is nut,
53 is Pulley shaft bearing, and 54 is double-direction thrust ball bearing case,
55 is double-direction thrust ball bearing, and 56 is adapter sleeve capping,
58 is the passive angular wheel of forward, and 59 is forward transmission cone friction drum,
60 is rotating control wheel, and 61 is forward transmission cone friction drum,
62 is the passive angular wheel of reversion, and 63 is initiative taper generating gear,
64 is drive sprocket axle, and 65 is belt wheel.
The specific embodiment
As shown in Figure 1 and Figure 2, the present invention's four station valve body automatic processing machine tools, comprise slew gear, support; Slew gear is arranged on support;
Support comprises frame 1 and support 3; Support 3 supports by frame 1;
As shown in Figure 3, Figure 4, slew gear comprises rotary disk 13, and rotary disk 13 is arranged on main shaft 7, and rotary disk 13 is connected with overrunning cluth 44 by bolt, and the cylindrical of overrunning cluth 44 coordinates with gear 43 by needle roller; Overrunning cluth 44 is also arranged on main shaft 7;
Under the effect of hydraulic cylinder, tooth bar side-to-side movement, drives gear 43 rotations that are engaged with, and gear 43 drives rotary disk 13 rotations by overrunning cluth 44, realizes the conversion of station;
On the circumference of rotary disk 13, be evenly equipped with four groups of lever clamping mechanisms; 90 °, every two groups of lever clamping mechanism intervals, two groups of lever clamping mechanisms top in rotary disk 13 wherein, the below of other two groups of lever clamping mechanisms in rotary disk 13;
Lever clamping mechanism comprises lever 30, and lever 30 is fixed on the cylindrical of rotary disk 13 by lever pole 29; The Partner Connection Release nut 11 of lever 30, discharges nut 11 by spring guide pillar 32 linking springs 33; Spring 33 is fixedly installed on the cylindrical of rotary disk 13;
The drive end of lever 30 connects top board 16, and top board 16 connects lower platen 28 by guide rod 27; Lower platen 28 is fixedly installed on the main bearing 12 of rotary disk 13; Top board 16 is connected with lever 30 by pivot pin 42;
Two groups of lever clamping mechanisms in rotary disk 13 tops, wherein the release nut 11 of one group of lever clamping mechanism be positioned at rotary disk 13 directly over, i.e. the first station; The release nut 11 of another group lever clamping mechanism is positioned at the front-right of rotary disk 13, i.e. the 4th station;
Two groups of lever clamping mechanisms in rotary disk 13 tops are respectively arranged with Pneumatic Pressure mechanism; Pneumatic Pressure mechanism comprises unloads carrier gas cylinder 8, unloads carrier gas cylinder 8 and by connecting rod 9, connects the top board 16 of lever clamping mechanism;
When workpiece is during in the 4th station, by unloading carrier gas cylinder 8, promote connecting rods 9, make to lift on the top board 16 of lever 30 drive ends, the Partner of lever 30 presses down, thereby to discharging nut 11 pressurizations, spring 33 compressions, workpiece blanking device 35 is taken workpiece away, completes the unloading of workpiece;
When in the first station, workpiece feeding device 31 is sent into workpiece, unloads carrier gas cylinder 8 backhauls, spring 33 is in returning the state of stretching, and spring 33 promotes spring guide pillar 32 and rises, and drives top board 16 to press down by lever 30, complete the fixing of workpiece, thereby realize material loading, discharging.
In two groups of lever clamping mechanisms of rotary disk 13 belows, wherein the release nut 11 of one group of lever clamping mechanism is positioned at the front-left of rotary disk 13, i.e. the second station; Release nut 11 of another group lever clamping mechanism be positioned at rotary disk 13 under, i.e. the 3rd station;
Two groups of lever clamping mechanisms in rotary disk 13 belows are respectively arranged with pneumatically loading mechanism; Pneumatically loading mechanism comprises and adds carrier gas cylinder 39, and the piston that adds carrier gas cylinder 39 connects load bars 36 by connecting rod 38, and load bar 36 connects the top board 16 of lever clamping mechanisms;
Load bar 36 is movably set in and supports in fixture 37, supports the bottom surface that fixture 37 is fixedly installed on support 3; Supporting fixture 37 plays a supportive role for load bar 36;
Adding carrier gas cylinder 39 is fixed in frame 1 by air cylinder support 40;
By adding carrier gas cylinder 39, drive connecting rod 38, make 36 pairs of top board 16 application of forces of load bar, complete the loading in process.
The both sides, front and back of rotary disk 13 second stations are respectively arranged with a set of bore hole mechanism; As shown in Figure 5, bore hole mechanism comprises bore hole main shaft 18, is provided with boring cutter 45 on bore hole main shaft 18; Bore hole main shaft 18 connects bore hole axis feeding driving mechanism and bore hole main shaft rotary drive mechanism;
Bore hole axis feeding driving mechanism comprises feeding cylinder 20, one end of bore hole main shaft 18 is connected with double-direction thrust ball bearing 55 by screw, double-direction thrust ball bearing 55 is arranged in double-direction thrust ball bearing case 54, and double-direction thrust ball bearing case 54 connects the piston of feeding cylinder 20 by adapter sleeve capping 56; Feeding cylinder 20 promotes boring cutter 45 and seesaws;
On bore hole main shaft 18, fixed cover is provided with axle sleeve 50, and axle sleeve 50 is connected with sleeve 48 by bearing 49; Boring cutter 45 is installed on sleeve 48; One end of sleeve 48 is bolted axle head capping 51, and axle head capping 51 connects bore hole main shaft 18 by nut 52; Feeding cylinder 20 promotes 18 motions of bore hole main shaft, and bore hole main shaft 18 drives boring cutter 45 towards equidirectional motion by axle sleeve 50, bearing 49, sleeve 48;
Bore hole main shaft rotary drive mechanism comprises rotary drive motor, and the middle part of bore hole main shaft 18 connects rotary drive motor 2 by belt wheel 19, and rotary drive motor 2 drives 18 rotations of bore hole main shaft by belt wheel 19; On belt wheel 19, be provided with the Pulley shaft bearing 53 that deep groove ball bearing is housed; Bore hole main shaft 18 is by spline joint belt wheel 19.
The both sides, front and back of rotary disk 13 the 3rd station are respectively arranged with a set of tapper mechanism; As shown in Figure 6, tapper mechanism comprises tapping transmission case driving shaft 24, on tapping transmission case driving shaft 24, is provided with screw tap; One end of tapping transmission case driving shaft 24 is connected with double-direction thrust ball bearing case 74 by connecting rod 75, is provided with double-direction thrust ball bearing 73 in double-direction thrust ball bearing case 74; Double-direction thrust ball bearing case 74 connects the piston of screw tap advance and retreat control cylinder 23 by adapter sleeve cap seal 71; Screw tap advance and retreat control cylinder 23, for controlling the front and back feed motion of tapping transmission case driving shaft 24, makes the screw tap contact on tapping transmission case driving shaft 24 or leaves work piece.
On tapping transmission case driving shaft 24, be arranged with rotating control wheel 60, tapping transmission case driving shaft 24 is by spline joint rotating control wheel 60; As shown in Figure 7, rotating control wheel 60 connects respectively the passive angular wheel 58,62 of forward and backward by forward and reverse transmission cone friction drum 59,61; The passive angular wheel 58,62 of rotating is meshed with initiative taper generating gear 63, and initiative taper generating gear 63 connects belt wheel 65 by drive sprocket axle 64;
By belt wheel 65 transmitting torques, make drive sprocket axle 64 work, drive sprocket axle 64 drives 63 rotations of initiative taper generating gear, initiative taper generating gear 63 and passive angular wheel 58,62 engagements of rotating, drive passive angular wheel 58,62 rotations of rotating, the passive angular wheel 58,62 of rotating drives 60 rotations of rotating control wheel by forward and reverse transmission cone friction drum 59,61, thereby drives 24 rotatings of tapping transmission case driving shaft.
Rotating control wheel 60 connects double-direction thrust ball bearing 79 by nut 76, double-direction thrust ball bearing 79 is arranged in double-direction thrust ball bearing casing 78, double-direction thrust ball bearing casing 78 is by supporter 66 connecting ball head seats 67, in ball cup 67, be movably set with bulb 68, bulb 68 connects screw tap rotating control cylinder 22 by connector 70;
By screw tap rotating control cylinder 22, regulate double-direction thrust ball bearing 79, rotating control wheel 60 is contacted with forward transmission cone friction drum 59 or reverse drive cone friction drum 61, the passive angular wheel 58 of tapping transmission case driving shaft 24 and forward or the passive angular wheel 62 that reverses are connected, to control the direction of rotation of tapping transmission case driving shaft 24;
When rotating control wheel 60 contacts with forward transmission cone friction drum 59, tapping transmission case driving shaft 24 is connected with the passive angular wheel 58 of forward, and tapping transmission case driving shaft 24 forwards are carried out tapping; When rotating control wheel 60 contacts with reverse drive cone friction drum 61, tapping transmission case driving shaft 24 is connected with the passive angular wheel 62 of reversion, and 24 reversions of tapping transmission case driving shaft, make screw tap exit workpiece.
On the end face of rotary disk 13, be provided with four station locating holes 34; One side of rotary disk 13 is provided with positioning cylinder 41; When the station locating hole 34 that positioning cylinder 41 is aimed in below, can realize accurate location.
Operation principle of the present invention is as follows:
Rotate back to rotating disk 13, workpiece to be processed is arranged on the lever clamping mechanism in the first station; Again rotate back to rotating disk 13, make workpiece arrive the second station, to workpiece bore; Rotate back to for the third time rotating disk 13, make workpiece arrive the 3rd station, to work-piece tapping; Rotate back to rotating disk 13 the 4th time, make workpiece arrive the 4th station, take off workpiece, according to this cyclic process.

Claims (9)

1.一种四工位阀体自动加工机床，其特征在于，包括回转盘（13），回转盘（13）通过离合器（44）连接齿轮（43）；在液压缸的作用下，齿条左右运动，带动与之啮合的齿轮（43）旋转，齿轮（43）通过离合器（44）带动回转盘（13）旋转，实现工位的转换； 1. A four-station valve body automatic processing machine tool, characterized in that it includes a rotary disc (13), and the rotary disc (13) is connected to a gear (43) through a clutch (44); under the action of a hydraulic cylinder, the left and right sides of the rack Movement drives the gear (43) meshed with it to rotate, and the gear (43) drives the rotary disc (13) to rotate through the clutch (44) to realize the conversion of the station; 所述回转盘（13）的圆周上均布有四个工位，第一工位位于回转盘（13）的正上方，第二工位位于回转盘（13）的正左方，第三工位位于回转盘（13）的正下方，第四工位位于回转盘（13）的正右方； There are four stations evenly distributed on the circumference of the turntable (13), the first station is located directly above the turntable (13), the second station is located directly to the left of the turntable (13), and the third station is located directly above the turntable (13). The first station is located directly below the rotary table (13), and the fourth station is located directly to the right of the rotary table (13); 待加工工件在第一工位上被安装定位，在第二工位上进行镗孔，在第三工位上进行攻丝，在第四工位上取下，完成上料、镗孔、攻丝、下料四个工序； The workpiece to be processed is installed and positioned at the first station, bored at the second station, tapped at the third station, and removed at the fourth station to complete loading, boring and tapping. Silk and blanking four processes; 所述每个工位上分别设置有一组杠杆夹持机构，所述杠杆夹持机构包括杠杆（30），杠杆（30）通过杠杆支杆（29）固定于回转盘（13）的外圆上；杠杆（30）的被动端连接释放螺母（11），释放螺母（11）通过弹簧导柱（32）连接弹簧（33）；弹簧（33）固定设置于回转盘（13）的外圆上； Each station is provided with a set of lever clamping mechanism respectively, and the lever clamping mechanism includes a lever (30), and the lever (30) is fixed on the outer circle of the rotary disk (13) through the lever support rod (29). ;The passive end of the lever (30) is connected to the release nut (11), and the release nut (11) is connected to the spring (33) through the spring guide post (32); the spring (33) is fixedly arranged on the outer circle of the rotary disc (13); 杠杆（30）的主动端连接上压板（16），上压板（16）通过导杆（27）连接下压板（28）；下压板（28）固定设置于回转盘（13）的主支座（12）上。 The active end of the lever (30) is connected to the upper pressing plate (16), and the upper pressing plate (16) is connected to the lower pressing plate (28) through the guide rod (27); the lower pressing plate (28) is fixedly arranged on the main support ( 12) on. 2.根据权利要求1所述的四工位阀体自动加工机床，其特征在于，所述处于第一工位和第四工位的杠杆夹持机构分别设置有气动加压机构；气动加压机构包括卸载气缸（8），卸载气缸（8）通过连接杆（9）连接所述杠杆夹持机构的上压板（16）。 2. The four-station valve body automatic processing machine tool according to claim 1, wherein the lever clamping mechanisms at the first station and the fourth station are respectively provided with a pneumatic pressurization mechanism; The mechanism includes an unloading cylinder (8), and the unloading cylinder (8) is connected to the upper pressing plate (16) of the lever clamping mechanism through a connecting rod (9). 3.根据权利要求1所述的四工位阀体自动加工机床，其特征在于，所述处于第二工位和第三工位的杠杆夹持机构分别设置有气动加载机构；气动加载机构包括加载气缸（39），加载气缸（39）的活塞通过连接杆（38）连接加载杆（36），加载杆（36）连接所述杠杆夹持机构的上压板（16）；通过加载气缸（39）驱动连接杆（38），使加载杆（36）对上压板（16）施力，完成加工过程中的加载。 3. The four-station valve body automatic processing machine tool according to claim 1, wherein the lever clamping mechanisms at the second station and the third station are respectively provided with a pneumatic loading mechanism; the pneumatic loading mechanism includes The loading cylinder (39), the piston of the loading cylinder (39) is connected to the loading rod (36) through the connecting rod (38), and the loading rod (36) is connected to the upper pressure plate (16) of the lever clamping mechanism; through the loading cylinder (39) ) to drive the connecting rod (38), so that the loading rod (36) exerts force on the upper platen (16) to complete the loading during processing. 4.根据权利要求1所述的四工位阀体自动加工机床，其特征在于，所述回转盘（13）第二工位的前后两侧分别设置有一套镗孔机构；镗孔机构包括镗孔主轴（18），镗孔主轴（18）上设置有镗刀（45）；镗孔主轴（18）连接镗孔主轴进给驱动机构和镗孔主轴旋转驱动机构； 4. The four-station valve body automatic processing machine tool according to claim 1, characterized in that, a set of boring mechanisms are respectively provided on the front and rear sides of the second station of the rotary table (13); The hole main shaft (18), the boring tool (45) is arranged on the boring main shaft (18); the boring main shaft (18) is connected with the boring main shaft feed driving mechanism and the boring main shaft rotation driving mechanism; 所述镗孔主轴进给驱动机构包括进给气缸（20），所述镗孔主轴（18）的一端连接进给气缸（20）的活塞；进给气缸（20）推动镗刀（45）实现前后进给运动； The boring spindle feed drive mechanism includes a feeding cylinder (20), one end of the boring spindle (18) is connected to the piston of the feeding cylinder (20); the feeding cylinder (20) pushes the boring tool (45) to realize forward and backward feed movement; 所述镗孔主轴旋转驱动机构包括旋转驱动电机（2），所述镗孔主轴（18）通过带轮（19）连接旋转驱动电机（2）；旋转驱动电机（2）带动镗孔主轴（18），实现镗刀（45）的旋转。 The boring spindle rotation drive mechanism includes a rotary drive motor (2), and the boring spindle (18) is connected to the rotary drive motor (2) through a pulley (19); the rotary drive motor (2) drives the boring spindle (18 ) to realize the rotation of the boring tool (45). 5.根据权利要求4所述的四工位阀体自动加工机床，其特征在于，所述镗孔主轴（18）的一端连接双向推力球轴承（55），双向推力球轴承（55）设置于双向推力球轴承箱（54）内，双向推力球轴承箱（54）通过连接套封盖（56）连接进给气缸（20）的活塞。 5. The four-station valve body automatic processing machine tool according to claim 4, characterized in that one end of the boring spindle (18) is connected to a two-way thrust ball bearing (55), and the two-way thrust ball bearing (55) is arranged on In the two-way thrust ball bearing box (54), the two-way thrust ball bearing box (54) is connected to the piston of the feed cylinder (20) through the connecting sleeve cover (56). 6.根据权利要求4所述的四工位阀体自动加工机床，其特征在于，所述镗孔主轴（18）上固定套设有轴套（50），轴套（50）通过轴承（49）与套筒（48）连接；镗刀（45）安装于套筒（48）上；套筒（48）的一端连接轴端封盖（51），轴端封盖（51）连接所述镗孔主轴（18）。 6. The four-station valve body automatic processing machine tool according to claim 4, characterized in that, the fixed sleeve on the boring spindle (18) is provided with a bushing (50), and the bushing (50) passes through the bearing (49 ) is connected with the sleeve (48); the boring tool (45) is installed on the sleeve (48); one end of the sleeve (48) is connected to the shaft end cover (51), and the shaft end cover (51) is connected to the boring Bore spindle (18). 7.根据权利要求1所述的四工位阀体自动加工机床，其特征在于，所述回转盘（13）第三工位的前后两侧分别设置有一套攻丝机构；攻丝机构包括攻丝传动箱主动轴（24），攻丝传动箱主动轴（24）上设置有丝锥；攻丝传动箱主动轴（24）的一端连接丝锥进退控制气缸（23），丝锥进退控制气缸（23）用于控制攻丝传动箱主动轴（24）的前后进给运动，使攻丝传动箱主动轴（24）上的丝锥接触或离开被加工件； 7. The four-station valve body automatic processing machine tool according to claim 1, characterized in that, a set of tapping mechanisms are respectively provided on the front and rear sides of the third station of the rotary table (13); The driving shaft (24) of the tapping transmission box (24) is provided with a tap; one end of the driving shaft (24) of the tapping transmission box is connected to the tap advance and retreat control cylinder (23), and the tap advance and retreat control cylinder (23) It is used to control the forward and backward feed movement of the driving shaft (24) of the tapping transmission box, so that the tap on the driving shaft (24) of the tapping transmission box contacts or leaves the workpiece; 攻丝传动箱主动轴（24）上套设有正反转控制轮（60），正反转控制轮（60）通过正、反向传动锥形摩擦鼓（59、61）分别连接正、反转被动锥形齿轮（58、62）；正反转被动锥形齿轮（58、62）与主动锥形齿轮（63）相啮合，主动锥形齿轮（63）通过主动轮轴（64）连接带轮（65）；通过带轮（65）传递转矩使主动轮轴（64）工作，主动轮轴（64）带动主动锥形齿轮（63）旋转，主动锥形齿轮（63）与正反转被动锥形齿轮（58、62）啮合，带动正反转被动锥形齿轮（58、62）旋转，正反转被动锥形齿轮（58、62）通过正反向传动锥形摩擦鼓（59、61）带动正反转控制轮（60）旋转，从而带动攻丝传动箱主动轴（24）正反转；  The driving shaft (24) of the tapping transmission box is provided with a positive and negative rotation control wheel (60), and the positive and negative rotation control wheel (60) is respectively connected to the positive and negative rotation through the forward and reverse transmission tapered friction drums (59, 61). Rotate passive bevel gears (58, 62); forward and reverse passive bevel gears (58, 62) are meshed with driving bevel gears (63), and driving bevel gears (63) are connected to pulleys through driving wheel shafts (64) (65); the driving wheel shaft (64) works through the transmission torque of the pulley (65), and the driving wheel shaft (64) drives the driving bevel gear (63) to rotate, and the driving bevel gear (63) and the forward and reverse passive conical gear The gears (58, 62) are meshed to drive the forward and reverse passive bevel gears (58, 62) to rotate, and the forward and reverse passive bevel gears (58, 62) are driven by the forward and reverse transmission conical friction drums (59, 61) The positive and negative rotation control wheel (60) rotates, thereby driving the driving shaft (24) of the tapping transmission box to rotate positive and negative; 正反转控制轮（60）连接双向推力球轴承（79），双向推力球轴承（79）设置于双向推力球轴承箱体（78）内，双向推力球轴承箱体（78）通过支撑体（66）连接球头座（67），球头座（67）内设置有球头（68），球头（68）通过连接头（70）连接丝锥正反转控制气缸（22）；通过丝锥正反转控制气缸（22）调节双向推力球轴承（79），使正反转控制轮（60）与正向传动锥形摩擦鼓（59）或者反向传动锥形摩擦鼓（61）接触，使攻丝传动箱主动轴（24）与正转被动锥形齿轮（58）或者反转被动锥形齿轮（62）连接，以控制攻丝传动箱主动轴（24）的旋转方向。 The positive and negative rotation control wheel (60) is connected with the two-way thrust ball bearing (79), and the two-way thrust ball bearing (79) is arranged in the two-way thrust ball bearing casing (78), and the two-way thrust ball bearing casing (78) passes through the 66) Connect the ball head seat (67), the ball head (68) is arranged inside the ball head seat (67), and the ball head (68) is connected to the forward and reverse control cylinder (22) of the tap through the connection head (70); The reverse rotation control cylinder (22) adjusts the two-way thrust ball bearing (79), so that the positive and negative rotation control wheel (60) contacts with the forward transmission conical friction drum (59) or the reverse transmission conical friction drum (61), so that The driving shaft (24) of the tapping transmission box is connected with the forward rotating passive bevel gear (58) or the reverse passive bevel gear (62) to control the rotation direction of the tapping transmission box driving shaft (24). 8.根据权利要求7所述的四工位阀体自动加工机床，其特征在于，所述攻丝传动箱主动轴（24）的一端通过连接杆（75）与双向推力球轴承箱（74）连接，双向推力球轴承箱（74）内设置有双向推力球轴承（73）；双向推力球轴承箱（74）通过连接套盖封（71）连接丝锥进退控制气缸（23）的活塞。 8. The four-station valve body automatic processing machine tool according to claim 7, characterized in that one end of the driving shaft (24) of the tapping transmission box is connected to the two-way thrust ball bearing box (74) through a connecting rod (75) Connect, be provided with two-way thrust ball bearing (73) in the two-way thrust ball bearing box (74); Two-way thrust ball bearing box (74) connects the piston of screw tap advance and retreat control cylinder (23) by connecting sleeve cover seal (71). 9.根据权利要求1所述的四工位阀体自动加工机床，其特征在于，所述回转盘（13）的端面上设置有四个工位定位孔（34）；回转盘（13）的一侧设置有定位气缸（41）；当定位气缸（41）对准处于下方的工位定位孔（34），能够实现精确定位。 9. The four-station valve body automatic processing machine tool according to claim 1, characterized in that four station positioning holes (34) are arranged on the end surface of the rotary disc (13); One side is provided with a positioning cylinder (41); when the positioning cylinder (41) is aligned with the station positioning hole (34) below, precise positioning can be achieved.
CN201210058039.XA 2012-03-07 2012-03-07 Automatic machining machine tool for four-station valve body Expired - Fee Related CN102528462B (en)

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