CN2138538Y

CN2138538Y - Multifunction thread cutter

Info

Publication number: CN2138538Y
Application number: CN 92231344
Authority: CN
Inventors: 刘占生; 王文治; 张保光
Original assignee: 刘占生
Priority date: 1992-08-28
Filing date: 1992-08-28
Publication date: 1993-07-21
Anticipated expiration: 2002-08-28

Abstract

The utility model discloses a multifunction feeding threading device, which is composed of a machine base 56, a machine shell 55, a motor 54, etc. The motor 54 drives a main shaft 1 on the shell 55 to rotate; a main shaft 1 is matched with a screw nut 3 to operate through a thread sleeve 2 on the machine shell 55. A piece of circular stop iron 6 is contacted with a forward gas valve switch and a reverse gas valve switch 19, 20 to enable a position changing gas cap 11 on the machine shell 55 to work to force an engaging sliding sleeve 9 on the main shaft 1 to stagger to cause forward running and reverse running to be completed. The steps of feeding threading or die head threading can be completed after a tool 21 (a tap or a die) is changed. The multifunction feeding threading device has the advantages of simple structure, multiple functions, low energy consumption, small size, easy maintenance and convenient operation; the utility model not only can be used for feeding threading but also can be used for die head threading.

Description

Multifunction thread cutter

The utility model relates to a kind of multi-functional die head threading machine of attacking, and belongs to the machining apparatus of producing various screws.

Existing tapping machine and die head threading machine are separate equipment, Q19-50 type tapping machine that uses as China factory and S19-50 type die head threading machine etc., and they are made up of support, fuselage, transmission mechanism, motor, electromagnetic braking mechanism, leading screw and pneumatic shuttle etc.Driven by motor transmission mechanism, transmission mechanism are finished clutch, braking, commutation, with the leading screw tooth apart from control stroke, thereby finish tapping or mantle fiber.Its weak point is: purposes is single, complex structure, and volume is big, and power consumption is high, maintenance difficult.

The purpose of this utility model provide a kind of simple in structure, function is many, power consumption is low, volume is little, easy-maintaining, easy to use, can tapping again can mantle fiber attack die head threading machine.

The purpose of this utility model is achieved in that originally attacking die head threading machine is made up of support, casing, motor etc.Main axis rotation on the driven by motor casing, main shaft cooperates operation by the silk braid on the casing with screw, disk buting iron on the main shaft and forward and reverse air valve switch are collided and are made displacement pneumatic jack work on the casing, force meshing sliding sleeve dislocation on the main shaft, finish positive and negative operation, but but realize the multi-functional die head threading machine of attacking of not only tapping but also mantle fiber by jig transformation.

The utility model has the advantages that: because tapping machine and die head threading machine are combined, but but realize the multi-functional die head threading machine of attacking of not only tapping but also mantle fiber by jig transformation, reduced the automatic control circuit of original tapping machine or die head threading machine simultaneously, and by the original electromagnetic clutch brake of replacement mechanisms such as transmission mechanism, changement and clamping mechanisms, therefore, volume is little, and is simple in structure, easy to use.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Multi-functional die head threading machine general structure and the transmission mechanism schematic diagram thereof of attacking of Fig. 1.

The multi-functional die head threading machine changement schematic diagram of attacking of Fig. 2.

The multi-functional die head threading machine clamping mechanism schematic diagram of attacking of Fig. 3.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is multi-functional die head threading machine general structure and the transmission mechanism schematic diagram thereof of attacking.Originally attacking die head threading machine is made up of changement, transmission mechanism and clamping mechanism etc.Transmission mechanism is made up of motor 54, belt pulley 30,37, V-belt 36, one spool 31, duplex pulley 29, two spools 32, change-

speed gearing

45,46, forward gear 28, forward balladeur train 24, commonly engaged gear 27, three spools 33, reverse gear 47, reverse slide gear 23 and main shaft 1 etc.One 31 two ends that are installed in casing 55, and be furnished with bearing 34.Cooperate with variable-ratio duplex pulley 29 in the middle of one 31, duplex pulley 29 cooperates with gear shift fork 73, and gear shift fork 73 cooperates with shift fork hole 74, and shift fork hole 74 is located on the casing 55.Duplex pulley 29 cooperates with change-

speed gearing

45,46 speed changes on two 32, and one 31 spindle nose is furnished with belt pulley 30.Two 32 two ends cooperate with casing 55 by bearing 34, and two 32 centres are furnished with forward gear 28, commonly engaged gear 27.Commonly engaged gear 27 and three 33 often close, and two ends are furnished with bearing 34, and are connected with casing 55.Reverse gear 47 on three 33 often closes with the reverse slide gear 23 of main shaft 1.Forward gear 28 on forward balladeur train 24 on the main shaft 1 or two 32 often closes.Be provided with meshing sliding sleeve 9 in the middle of the main shaft 1, to change the conversion direction of main shaft 1.Meshing sliding sleeve 9 cooperates with shift fork 10.One end of main shaft 1 is equipped with axle sleeve 25, is slidingly matched with casing 55, links to each other with main shaft 1 disk buting iron 6 then, advances or retreats to change main shaft, and disk buting iron 6 matches with air valve switch 19,20.The other end of main shaft 1 is equipped with silk braid 2, cooperates with screw 3, and screw 3 is fixing with casing 55 usefulness foundary weight 26.It is screw tap or screw die that main shaft 1 two ends are furnished with instrument 21().Belt pulley 37 on the motor 54 is sent to belt pulley 30 on one 31 by V-belt 36, and drives the duplex pulley 29 on one 31, and change-speed gearing 45,46 apolegamys on duplex pulley 29 drives two 32 engage.Be provided with forward gear 28 for two 32, the forward balladeur train 24 that forward gear 28 drives on the main shaft 1 is just changeing the forward balladeur train 24 on the main shaft 1.Be provided with commonly engaged gear 27 for two 32, drive three 33.Be provided with reverse gear 47 for three 33, the reverse slide gear 23 that reverse gear 47 drives on the main shaft 1 makes reverse slide gear 23 counter-rotatings on the main shaft 1.Main shaft 1 is provided with a forward balladeur train 24 for just changeing, main shaft 1 is provided with a reverse slide gear 23 and is counter-rotating, the swing pinion that two different directions are arranged on the main shaft 1 simultaneously, forward balladeur train 24 and reverse slide gear 23 coexist on the axle, is furnished with meshing sliding sleeve 9 between two-wheeled, meshing sliding sleeve 9 usefulness feather keys and main shaft 1 are slidingly matched, and meshing sliding sleeve 9 is subjected to shift fork 10 controls.Shift fork 10 is subjected to 11 controls of displacement pneumatic jack.Displacement pneumatic jack 11 is subjected to forward and reverse air valve switch 19,20 controls.Forward and reverse air valve switch 19,20 is subjected to 6 controls of disk buting iron.Disk buting iron 6 bumps out forward air valve switch 20, and shift fork 10 is stirred meshing sliding sleeve 9 and combined with forward balladeur train 24, separates reverse slide gear 23, and main wheel 1 is for just changeing, otherwise for reversing.

Fig. 2 is the multi-functional die head threading machine changement schematic diagram of attacking.Changement is made up of support 56, casing 55, motor 54, motor cabinet 38, air pump 57, displacement pneumatic jack 11, displacement pneumatic jack seat 50, air valve switch 12,19,20, fixed screw 59,60,61,62,63,64,65,66,67,68,69,71, atmolysis cylinder 72,

pipe joint

5,7,8,16,40,44,45, high-pressure rubber pipe 4,17,41,42,43,52,53, air pump seat 58, adjustment plate 51, gear change hand lever 70 etc.Casing 55 usefulness screws 60 are fixed on the support 56.Air pump 57 usefulness screws 68 are fixed on the air pump seat 58 below the support 56.The displacement pneumatic jack 11 usefulness screws 63 that are used to change meshing sliding sleeve 9 positions are fixed on casing 55 displacement pneumatic jack seats 50.Adjusting plate 51 usefulness screws 59 is fixed on the casing 55.Forward air valve switch 20, reverse air valve switch 19 are fixed on screw 69 respectively and adjust on the plate 51, attack the distance of mantle fiber in order to adjustment.The gas of air pump 57 enters atmolysis cylinder 72 by high-pressure rubber pipe 53, and the gas of atmolysis cylinder 72 is sent into manual pneumatic switch 12 by high-pressure rubber pipe 43.Manual pneumatic switch 12 enters the pipe joint 8,16 of pneumatic jack 13 by high-pressure rubber pipe 17,52, enters pneumatic jack 13 then.The gas of atmolysis cylinder 72 enters on the path that high-pressure rubber pipe 4 is connected on air valve switch 19,20 by pipe joint 44.Forward air valve switch 20 enters high-pressure rubber pipe 42 by pipe joint 40, enters the pipe joint 7 of displacement pneumatic jack 11 again, and oppositely air valve switch 19 enters the pipe joint 5 of displacement pneumatic jack 11 by high-pressure rubber pipe 41, enters displacement pneumatic jack 11 then.

Fig. 3 is the multi-functional die head threading machine clamping mechanism schematic diagram of attacking.Clamping mechanism is made up of support 56, casing 55, belt pulley 30,37, V-belt 36, portal frame 35, floating holder 15, stationary fixture 75, pneumatic jack 13, manual air valve switch 12, switch base 39,49, electric motor starting switch 48, gear change hand lever 70, atmolysis cylinder 72, atmolysis cylinder seat 18 etc.The two ends of support 56 are connected on the portal frame 35 with screw 60.Floating holder 15, stationary fixture 75 are housed in the middle of the portal frame 35.Portal frame 35 usefulness screws 64 are pneumatic jack 13 fixedly.Manually air valve switch 12 usefulness screws 66 are fixed on the manual air valve switch seat 39 on the support 56.Pipe joint 44 usefulness high-pressure rubber pipes 43 on the atmolysis cylinder 72 are communicated with manual air valve switch 12, enter atmolysis cylinder 72 by high-pressure rubber pipe 17 again, manual air valve switch 12 enters pneumatic jack 13 by high-pressure rubber pipe 17 pressure connection 8, to compress or to loosen workpiece 14, the loop pipe joint 16 of pneumatic jack 13 is got back to manual air valve switch 12 by high-pressure rubber pipe 52.

Following each position is adjusted in specification requirement according to workpiece: during degree of rectificating, adjust the distance of air valve switch 19,20; When asking the screw thread of workpiece 14, change silk braid 2 and screw 3, and correspondingly to change instrument 21(be screw tap or screw die), like this, can finish tapping or cover wire process.

This is multi-functional, and to attack the course of work of die head threading machine as follows:

1. priming pump 57, keep about 6 kilograms of required air pressure.

2. actuating motor 54, select required about speed of mainshaft 100-140 rev/min.

3. according to workpiece 14 needs, change floating holder 15 and stationary fixture 75, workpiece is put into floating holder 15 and stationary fixture 75, the manual air valve switch 12 of manual operating, make the gas of air valve switch 12 enter pneumatic jack 13, force anchor clamps 15 descending, clip workpiece by high-pressure rubber pipe 77.Motor 54 drives main shaft 1 rotation on the casing 55, and main shaft 1 cooperates operation by the silk braid 2 on the casing 55 with screw 3.Disk buting iron 6 on the main shaft 1 and forward air valve switch 20, reverse air valve switch 19 are collided the displacement pneumatic jack 11 on the casing 55 are worked, force meshing sliding sleeve 9 dislocation on the main shaft 1, finish positive and negative operation, changing instrument 21(is screw tap or screw die), can carry out tapping or cover wire process.Main shaft 1 drives disk buting iron 6, disk buting iron 6 is run into forward air valve switch 20,20 ventilations of forward air valve switch, oppositely air valve switch 19 is closed, gas makes displacement pneumatic jack 11 work that enter by high-pressure rubber pipe 42, drivening rod 22, connecting rod 22 drives shift fork 10, shift fork 10 drives meshing sliding sleeve 9, and meshing sliding sleeve 9 is in conjunction with forward sliding sleeve gear 24, and main shaft 1 is rotated in the forward, carry out work by the silk braid 2 and the tooth distance of screw 3 and instrument 21, when attacking after mantle fiber finishes, disk buting iron 6 is run into reverse air valve switch 19, oppositely air valve switch 19 work.Forward air valve switch 20 is closed, oppositely the gas of air valve switch 19 enters pipe joint 5 work of displacement pneumatic jack 11 by high-pressure rubber pipe 41, drivening rod 22 work, connecting rod 22 drives shift fork 10, shift fork 10 drives meshing sliding sleeve 9, and meshing sliding sleeve 9 is in conjunction with reverse slide gear 23, thereby makes main shaft 1 counter-rotating, screw tap 21 withdraws from workpiece 14, promptly finishes and attacks the cover wire process.

4. manually air valve switch 12 commutations force pneumatic jack 13 up, and it is up to drive anchor clamps 15, unclamps workpiece 14 and falls automatically, finishes the whole cover wire process of attacking.

Claims

1, a kind of multi-functional die head threading machine of attacking generally includes support 56, casing 55, motor 54 and electromagnetic clutch brake mechanism, of the present utility model being characterised in that: replace original electromagnetic clutch brake mechanism with changement, transmission mechanism and clamping mechanism.

2, the die head threading machine of attacking according to claim 1, it is characterized in that above-mentioned changement is by meshing sliding sleeve 9, forward balladeur train 24, reverse slide gear 23, shift fork 10, displacement pneumatic jack 11, forward air valve switch 20, oppositely air valve switch 19, disk buting iron 6 and high-pressure rubber pipe are formed, displacement pneumatic jack 11 promotes meshing sliding sleeve about 9 operations, realizes main shaft 1 forward or reverse.

3, the die head threading machine of attacking according to claim 1 is characterized in that above-mentioned transmission mechanism is made up of motor 54, belt pulley 30,37, V-belt 36, main shaft 1, one 31, two 32, three 33, duplex pulley 29, change-speed gearing 45,46, forward gear 28, reverse gear 47, commonly engaged gear 27, forward balladeur train 24 and reverse slide gear 23.

4, the die head threading machine of attacking according to claim 1 is characterized in that above-mentioned clamping mechanism is made up of portal frame 35, stationary fixture 75, floating holder 15 and pneumatic jack 13, changes stationary fixture 75 and floating holder 15 and can finish tapping and cover wire process.