CN102189433A

CN102189433A - Tool power head

Info

Publication number: CN102189433A
Application number: CN2010101298043A
Authority: CN
Inventors: 郑伟民
Original assignee: 郑伟民
Current assignee: Lanxi Ruiding CNC Machinery Co., Ltd.
Priority date: 2010-03-18
Filing date: 2010-03-18
Publication date: 2011-09-21
Anticipated expiration: 2030-03-18
Also published as: CN102189433B

Abstract

The invention discloses a tool power head. A rotary oil cylinder component (12), a pull rod component (5) and a pull core (4) are fixedly connected through threads to form a pull rod assembly (11); a spindle (7) and the pull rod component (5) are connected in a sliding pair mode outside the pull rod component (5); a processing cutter (1), a cutter holder (2) and a slider (3) are fixedly connected through threads to form a cutter assembly (16); the pull rod assembly (11) and the cutter assembly (16) are connected through a wedge (21) in the slider (3) in a sliding pair mode; a transmission gland (13) is arranged outside the spindle (7) and connected with the spindle (7) through a spline pair; a belt wheel (10) is arranged outside the transmission gland (13) and fixedly connected with the transmission gland (13) through threads; an oil cylinder component (17) is fixedly connected with a connection plate (20) and a sleeve (8) through threads; and the pull rod assembly (11), the cutter assembly (16), the spindle (7) and the sleeve (8) together form a longitudinal feed assembly (18). The tool power head disclosed by the invention has a load discharge mechanism and enables transverse feed and longitudinal feed.

Description

Show knife head

Technical field

The invention relates to lathe, is specifically related to the Show knife head of valve type part sealing surface processing.

Background technology

Various valves are functions such as the control of the switch of realizing control medium, flow and water conservancy diversion, and the key of this class part is exactly the processing of sealing surface, and as gate valve, Fig. 3 is the structure diagram of gate valve.The direction of motion of flashboard 2 is vertical with the direction of media flow.By rotating handles 1, flashboard 2 moves up and down, and realizes the opening and closing of gate valve.After gate valve is closed, be to rely on the pressure of medium self to realize sealing, the valve body 3 that promptly relies on the pressure of medium that flashboard sealing surface 5 is pressed to opposite side guarantees sealing.So the machining accuracy and the surface quality of sealing surface 5 are most important.Traditional processing method is to process with process tool 4 on lathe, and two sealing surfaces 5 are difficult to finish in a clamping, so not only influence the machining accuracy of sealing surface, and working (machining) efficiency is not high yet simultaneously.Along with development of industry and agriculture, the application of various valves more and more widely, the valve material select for use scope also more and more wider, modern valve not only is used for conventional media such as water, steam, oil product, also can be used for extraordinary media such as nitric acid, acetic acid, oxide and urea.Traditional machined into has not satisfied the needs of actual use, thereby need various special purpose machine tools, and the core of special purpose machine tool is exactly a unit head, and it can be processed two sealing surfaces of a gate valve simultaneously, with the assurance machining accuracy, and efficient is improved greatly.

Summary of the invention

The technical problem that the invention will solve provide a kind of have unloading mechanism, can traverse feed, length feed, good rigidly, precision height, compact conformation, easy to operate Show knife head.

For achieving the above object, the technical scheme of the invention is: a kind of Show knife head, it is characterized in that Show knife head comprises process tool, tool rest, slide block, draws core, rod assembly, tapering handle, main shaft, sleeve, casing, belt wheel or synchronizing wheel, angling cylinder, transmission gland, bearing, belt wheel frame, bearing, connecting plate, drift, slide; The lengthwise movement of angling cylinder can be converted into the in-movement of process tool and promptly open up cutter, angling cylinder assembly, rod assembly and draw core to be fixedly connected into the pull bar assembly by screw thread, rod assembly has main shaft to become sliding pair to connect with rod assembly outward, and rod assembly can be travelled longitudinally along main shaft; Process tool, tool rest and slide block are fixedly connected into the set of knives zoarium by screw thread, and the set of knives zoarium becomes sliding pair to connect by pressing plate with slide, and they can do transverse movement on slide; Slide, tapering handle and main shaft are fixedly connected by screw thread; Like this set of knives zoarium by slide just and main shaft can do gyration together; The pull bar assembly becomes sliding pair to connect with the set of knives zoarium by the drift in the slide block, as Fig. 2.Under the effect on this sliding pair drift inclined-plane, when the pull bar assembly travels longitudinally, make the set of knives zoarium do transverse movement, promptly process tool is done traverse feed, thereby reaches the purpose of exhibition cutter; The transmission gland connects by spline pair outside main shaft and with main shaft, and both both can do gyration together, can do again to slide relatively longitudinally; Belt wheel is fixedlyed connected by screw thread outside the transmission gland and with the transmission gland; Belt wheel frame and belt wheel are formed the gyration pair by bearing; The belt wheel frame is fixed on the casing of its outside by screw thread.The power of motor is with synchronously by the V band or chain is passed to belt wheel or sprocket wheel; When belt wheel or sprocket wheel drive main shaft etc. rotated together, the V band was with synchronously or the horizontal tension of chain has been passed to the belt wheel frame by belt wheel and bearing, and has passed to casing, makes main shaft not be subjected to horizontal force, thereby reaches the purpose of off-load; The length feed motion of cutter is to be realized by the lengthwise movement of hydraulic oil by the feed cylinder assembly, as Fig. 1.Cylinder component is fixedlyed connected by screw thread with connecting plate, sleeve; Main shaft is formed rotary pair by bearing and sleeve, pull bar assembly, set of knives zoarium and main shaft are only done gyration in sleeve like this, do not have relative motion with sleeve at vertical and horizontal, pull bar assembly, set of knives zoarium, main shaft and sleeve are formed the length feed assembly jointly; Feeding assembly and casing are that sliding pair connects; The feeding assembly can be done longitudinal sliding motion along casing.When feed cylinder vertically moved, drive feeding assembly travelled longitudinally together, thereby finished the feed motion of process tool.

The invention has following several characteristic: 1) have unloading mechanism; 2) hydraulic pressure exhibition cutter (traverse feed); 3) hydraulic feed (length feed); 4) good rigidly, the precision height; 5) compact conformation, easy to operate.

Description of drawings

Accompanying drawing 1 is the main TV structure schematic diagram of the invention;

Accompanying drawing 2 is the local enlarged diagram of the head of the invention;

Accompanying drawing 3 is the structure diagram of gate valve.

The specific embodiment

Below in conjunction with embodiment the invention is further described, following each embodiment only is used to illustrate the invention, but to the invention without limits.

A kind of Show knife head, it is characterized in that Show knife head comprises process tool 1, tool rest 2, slide block 3, draws core 4, rod assembly 5, tapering handle 6, main shaft 7, sleeve 8, casing 9, belt wheel or synchronizing wheel 10, angling cylinder 12, transmission gland 13, bearing 14, belt wheel frame 15, bearing 19, connecting plate 20, drift 21, slide 22; The lengthwise movement of angling cylinder 12 can be converted into the in-movement of process tool 1 and promptly open up cutter, angling cylinder assembly 12, rod assembly 5 with draw core 4 to be fixedly connected into pull bar assembly 11 by screw thread, there are 5 one-tenth sliding pairs of main shaft 7 and rod assembly to connect outside the rod assembly 5, rod assembly 5 can be travelled longitudinally along main shaft 7; Process tool 1, tool rest 2 are fixedly connected into set of knives zoarium 16 with slide block 3 by screw thread, and set of knives zoarium 16 connects by 22 one-tenth sliding pairs of pressing plate and slide, and they can do transverse movement on slide 22; Slide 22, tapering handle 6 and main shaft 7 are fixedly connected by screw thread; Like this set of knives zoarium 16 by slide 22 just and main shaft 7 can do gyration together; Pull bar assembly 11 connects by 21 one-tenth sliding pairs of the drift in the slide block 3 with set of knives fit 16, as Fig. 2.Under the effect on this sliding pair drift inclined-plane, when pull bar assembly 11 travels longitudinally, make set of knives zoarium 16 do transverse movement, promptly process tool is done traverse feed, thereby reaches the purpose of exhibition cutter; Transmission gland 13 connects by spline pair outside main shaft 7 and with main shaft 7, and both both can do gyration together, can do again to slide relatively longitudinally; Belt wheel 10 is fixedlyed connected by screw thread outside transmission gland 13 and with transmission gland 13; Belt wheel frame 15 is formed the gyration pair with belt wheel 10 by bearing 14; Belt wheel frame 15 is fixed on the casing 9 of its outside by screw thread.The power of motor is with synchronously by the V band or chain is passed to belt wheel or sprocket wheel 10; When belt wheel or sprocket wheel 10 drive main shafts etc. rotated together, the V band was with synchronously or the horizontal tension of chain has been passed to belt wheel frame 15 by belt wheel 10 and bearing 14, and has passed to casing 9, makes main shaft 7 not be subjected to horizontal force, thereby reaches the purpose of off-load; The length feed motion of cutter 1 is to be realized by the lengthwise movement of hydraulic oil by feed cylinder assembly 17, as Fig. 1.Cylinder component 17 and connecting plate 20, sleeve 8 are fixedlyed connected by screw thread; Main shaft 7 is formed rotary pair by bearing 19 and sleeve 8, pull bar assembly 11, set of knives fit 16 and main shaft 7 are only done gyration in sleeve 8 like this, there is not relative motion with sleeve 8 at vertical and horizontal, pull bar assembly 11, set of knives zoarium 16, main shaft 7 and the sleeve 8 common length feed assemblys 18 of forming; Feeding assembly 18 is that sliding pair connects with casing 9; Feeding assembly 18 can be done longitudinal sliding motion along casing 9.When feed cylinder 17 vertically moved, drive feeding assembly 18 travelled longitudinally together, thereby finished the feed motion of process tool.

Claims

1. Show knife head, it is characterized in that Show knife head comprises process tool (1), tool rest (2), slide block (3), draws core (4), rod assembly (5), tapering handle (6), main shaft (7), sleeve (8), casing (9), belt wheel or synchronizing wheel (10), angling cylinder (12), transmission gland (13), bearing (14), belt wheel frame (15), bearing (19), connecting plate (20), drift (21), slide (22); Angling cylinder assembly (12), rod assembly (5) and draw core (4) to be fixedly connected into pull bar assembly (11) by screw thread, rod assembly (5) is outer to have main shaft (7) to become sliding pair to connect with rod assembly (5), and rod assembly (5) can travel longitudinally along main shaft (7); Process tool (1), tool rest (2) are fixedly connected into set of knives zoarium (16) with slide block (3) by screw thread, and set of knives zoarium (16) becomes sliding pair to connect by pressing plate with slide (22); Slide (22), tapering handle (6) and main shaft (7) are fixedly connected by screw thread; Pull bar assembly (11) becomes sliding pair to connect with set of knives zoarium (16) by the drift (21) in the slide block (3); Transmission gland (13) connects by spline pair outside main shaft (7) and with main shaft (7); Belt wheel (10) is fixedlyed connected by screw thread outside transmission gland (13) and with transmission gland (13); Belt wheel frame (15) is formed the gyration pair with belt wheel (10) by bearing (14); Belt wheel frame (15) is fixed on the casing (9) of its outside by screw thread; Cylinder component (17) is fixedlyed connected by screw thread with connecting plate (20), sleeve (8); Main shaft (7) is formed rotary pair by bearing (19) and sleeve (8); Pull bar assembly (11), set of knives zoarium (16), main shaft (7) and sleeve (8) are formed length feed assembly (18) jointly, and feeding assembly (18) is that sliding pair connects with casing (9); Feeding assembly (18) can be done longitudinal sliding motion along casing (9).