CN202461720U

CN202461720U - Heavy tapping machine

Info

Publication number: CN202461720U
Application number: CN2012200500649U
Authority: CN
Inventors: 周碎林
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-16
Filing date: 2012-02-16
Publication date: 2012-10-03
Anticipated expiration: 2022-02-16

Abstract

The utility model provides a heavy tapping machine with a transmission mechanism outputting various rotation speeds, comprising a frame and a case. The case comprises a shell, an inter-machine and a motor. The inter-machine comprises a transmission mechanism connected with the output shaft of the motor, a rotary shaft extending downward, an upper circular truncated cone and a lower circular truncated cone fixed on the rotary shaft, an upper sleeve cooperatively sheathed with the upper circular truncated cone, and a lower sleeve cooperatively sheathed with the lower circular truncated cone. The upper sleeve and the lower sleeve are driven to rotate by the motor through the transmission mechanism. The upper sleeve and the lower sleeve have reverse rotation directions, and further can be linked up and down in the inter-machine. The case is also provided with a driving mechanism for driving the inter-machine to move up and down, a hasp mechanism connected with the inter-machine and the driving mechanism, and a releasing mechanism causing the inter-machine to move to a preset position and then be released from the hasp mechanism. The releasing mechanism is provided with an adjustment device capable of adjusting the preset position where the inter-machine is released from the hasp mechanism. The transmission mechanism comprises a speed change gear having at least two output speeds. The input end of the speed change gear is connected with the output shaft of the motor. The output end of the speed change gear is connected with the upper sleeve and the lower sleeve.

Description

Heavy type tapper

Technical field

The utility model relates to thread processing equipment, especially heavy type tapper.

Background technology

Existing heavy type tapper such as Fig. 1, Fig. 2, shown in Figure 3; And can announce text with reference to CN101323034B; It comprises frame 2 and cabinet 1; Cabinet 1 comprises casing 3, movement 4 and motor 5; Movement 4 comprises the transmission mechanism 41 that connects motor 5 output shafts, to the rotating shaft that extends below 42, the lower sleeve 46 that is fixed on last round platform 43 and the following round platform 44 in the rotating shaft 42, the upper bush 45 that cooperates with last round platform 43 sockets and cooperates with following round platform 44 sockets; Upper bush 45 passes through transmission mechanism 41 driven rotary with lower sleeve 46 by motor 5; Upper bush 45 is opposite and can linkage from top to bottom in movement 4 with lower sleeve 46 direction of rotation, and cabinet 1 also has the driving mechanism that orders about movement 4 and move up and down, connects the buckle mechanism of movement 4 and driving mechanism and impels the movable tripping mechanism that breaks away from buckle mechanism during to the precalculated position of movement 4 in addition, and tripping mechanism can be regulated the precalculated position of movement 4 disengaging buckle mechanisms.

The problem that above-mentioned existing heavy type tapper exists is that transmission mechanism only can be exported single rotating speed to upper bush and lower sleeve, thereby makes the rotating shaft rotating speed single, can't adjust rotating speed to different screw tap workpiece.

Summary of the invention

In order to overcome the defective of above-mentioned prior art, the utility model provides the heavy type tapper with output different rotating speeds transmission mechanism.

The heavy type tapper technical scheme that the utility model provides; Comprise frame and cabinet; Cabinet comprises casing, movement and motor; Movement comprises the transmission mechanism that connects motor output shaft, to the rotating shaft that extends below, the lower sleeve that is fixed on last round platform and the following round platform in the rotating shaft, the upper bush that cooperates with last round platform socket and cooperates with following round platform socket; Through the transmission mechanism driven rotary, upper bush and lower sleeve direction of rotation are opposite and can linkage from top to bottom in movement by motor for upper bush and lower sleeve, and cabinet also has the driving mechanism that orders about movement and move up and down, connect the buckle mechanism of movement and driving mechanism and impel the movable tripping mechanism of disengaging buckle mechanism during to the precalculated position of movement; Tripping mechanism has can regulate the adjusting device that movement breaks away from the precalculated position of buckle mechanism; Transmission mechanism comprises the speed change gear with at least two kinds of output speeds, and this speed change gear input connects motor output shaft, and this speed change gear output connects upper bush and lower sleeve.

The technical scheme of the utility model heavy type tapper; Can provide at least two kinds of output speeds to upper bush and lower sleeve; And then offer the multiple rotating speed selection of rotating shaft, thereby can improve the scope of application of tapper conveniently to the rotating speed of different screw tap workpiece adjustment rotating shafts.

The heavy type tapper technical scheme that the utility model provides; Its speed change gear comprise first travelling gear that is fixedly mounted on the motor output shaft, with second travelling gear, first rotating shaft that laterally arranges and second rotating shaft, the first stud gear that is meshed and second stud gear, the 3rd change-speed gearing that is meshed and the 4th change-speed gearing of first travelling gear engagement; First stud gear, the 3rd change-speed gearing and second travelling gear are fixedly mounted in first rotating shaft from top to bottom; Second stud gear and the 4th change-speed gearing are fixedly mounted in second rotating shaft from top to bottom; Second rotating shaft connects upper bush and lower sleeve; First rotating shaft can be up and down; The first rotating shaft outer wall has first spline and second spline from top to bottom, and the inwall of first stud gear, the 3rd change-speed gearing and second travelling gear has keyway respectively, and second spline cooperates with the second travelling gear keyway all the time; Up first spline of first rotating shaft leaves the first stud gear keyway and second spline gets into the 3rd change-speed gearing keyway, and descending first spline of first rotating shaft gets into the first stud gear keyway and second spline leaves the 3rd change-speed gearing keyway.

The heavy type tapper technical scheme; Two spline upper and lower displacements through first rotating shaft; Realize cooperating with the selection of three gears; And the two kinds of different rotating speeds of gear matched output through two cover different drive ratios, only need first rotating shaft just can offer two kinds of rotating speeds of rotating shaft of movement, simple in structure, practical and convenient.

Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.

Description of drawings

Fig. 1 is the overall structure sketch map of the heavy type tapper of prior art.

Fig. 2 is the internal structure sketch map of cabinet 1 among Fig. 1.

Fig. 3 is the cooperation sketch map of the rotating shaft 42 in Fig. 2 cabinet 1, last round platform 43, following round platform 44, upper bush 45 and lower sleeve 46.

Fig. 4 is the structural representation of transmission mechanism 41 of the heavy type tapper embodiment of the utility model.

Fig. 5 is the structural representation of first rotating shaft 473 among Fig. 4.

Fig. 6 is one of cooperation sketch map of driving mechanism 6 among the heavy type tapper embodiment of the utility model, buckle mechanism 7 and tripping mechanism 8.

Fig. 7 be driving mechanism 6 among the heavy type tapper embodiment of the utility model, buckle mechanism 7 and tripping mechanism 8 the cooperation sketch map two.

The specific embodiment

The heavy type tapper embodiment of the utility model; Its structure can be referring to figs. 1 to Fig. 3; Comprise frame 2 and cabinet 1; Cabinet 1 comprises casing 3, movement 4 and motor 5; Movement 4 comprises the transmission mechanism 41 that connects motor 5 output shafts, to the rotating shaft that extends below 42, the lower sleeve 46 that is fixed on last round platform 43 and the following round platform 44 in the rotating shaft 42, the upper bush 45 that cooperates with last round platform 43 sockets and cooperates with following round platform 44 sockets, upper bush 45 and lower sleeve 46 pass through transmission mechanism 41 driven rotary by motor 5, upper bush 45 and lower sleeve 46 direction of rotation are on the contrary and can linkage from top to bottom in movement 4.

Like Fig. 4, shown in Figure 5; The heavy type tapper embodiment transmission mechanism 41 of the utility model comprises the speed change gear 47 with at least two kinds of output speeds; These speed change gear 47 inputs connect motor 5 output shafts, and these speed change gear 47 outputs connect upper bush 45 and lower sleeve 46.

Speed change gear 47 comprises first travelling gear 471 that is fixedly mounted on motor 5 output shafts, second travelling gear 472 with 471 engagements of first travelling gear, first rotating shaft 473 that laterally arranges and second rotating shaft 474, the first stud gear 475 and second stud gear 476, the 3rd change-speed gearing 477 that is meshed and the 4th change-speed gearing 478 that are meshed; First stud gear 475, the 3rd change-speed gearing 477 and second travelling gear 472 are fixedly mounted in first rotating shaft 473 from top to bottom; Second stud gear 476 and the 4th change-speed gearing 478 are fixedly mounted in second rotating shaft 474 from top to bottom; Second rotating shaft 474 connects upper bush 45 and lower sleeve 46; The gear train (not shown) that second rotating shaft 474 is established through other to drive respectively upper bush 45 and lower sleeve 46; First rotating shaft 473 can be up and down; First rotating shaft, 473 outer walls have the first spline 473a and the second spline 473b from top to bottom; The inwall of first stud gear 475, the 3rd change-speed gearing 477 and second travelling gear 472 has keyway 4a respectively; The second spline 473b cooperates with the keyway 4a of second travelling gear 472 all the time; First rotating shaft, the 473 up first spline 473a leave first stud gear 475 keyway 4a and the second spline 473b gets into the 3rd change-speed gearing 477 keyway 4a, and first rotating shaft, the 473 descending first spline 473a get into first stud gear 475 keyway 4a and the second spline 473b leaves the 3rd change-speed gearing 477 keyway 4a.

The operation principle of speed change gear 47 is: when first rotating shaft 473 is up; The first spline 473a leaves first stud gear 475 keyway 4a; The first spline 473a can not drive first stud gear 475 and rotate, and first stud gear 475 all is in the free time with second stud gear 476, be advanced into the keyway 4a of the 3rd change-speed gearing 477 simultaneously on the second spline 473b; Thereby the 3rd change-speed gearing 477 drives the 4th change-speed gearing 478, and then drives upwards first kind of rotating speed of lower sleeve output of second rotating shaft 474; When first rotating shaft 473 is descending; The first spline 473a gets into first stud gear 475 keyway 4a; The first spline 473a will drive first stud gear 475 and rotate, thereby drive second stud gear 476, and then drive upwards second kind of rotating speed of lower sleeve output of second rotating shaft 474; The descending keyway 4a that leaves the 3rd change-speed gearing 477 of the while second spline 473b, the 3rd change-speed gearing 477 and the 4th change-speed gearing 478 all are in idle condition.

Like Fig. 6, Fig. 7 and with reference to figure 1, Fig. 2, shown in Figure 3; The heavy type tapper embodiment of the utility model; Cabinet 1 also has the driving mechanism 6 (containing handle) that orders about movement 4 and move up and down, the tripping mechanism 8 that breaks away from buckle mechanism 7 when connecting the buckle mechanism 7 of movement 4 and driving mechanism 6 and impelling movement 4 activities to the precalculated position, and tripping mechanism 8 can be regulated movement 4 and break away from the precalculated position of buckle mechanisms 7.

Buckle mechanism 7 comprises movable block 71, button piece 72 and button bar 73; Movable block 71 drives up and down by driving mechanism 6; Button piece 72 middle parts have with movable block 71 hard-wired fulcrums and button piece 72 and can rotate around fulcrum; Button piece 72 two ends around its fulcrum have respectively heavily hold 721 with light end 722; The light end 722 of button piece has the movable span 723 of diameter greater than button bar 73, and button bar 73 is installed in the movable span 723 and button bar 73 is installed with movement 4 interlocks, and tripping mechanism 8 comprises the collision block 81 of heavily holding 721 spacings and cooperating with its butt that can adjust relative button piece.

Tripping mechanism 8 also comprises gear train 83 that tightening knob 82, tightening knob 82 drive, tooth bar 84 that gear train 83 drives, is rotatably connected at the link rod on the tooth bar 84 85, cross bar 86 on link rod 85 and the collision block 87 that flexibly connects with cross bar 86 are rotatably connected; Has rotating fulcrum between the link rod junction of whippletree 86 and the collision block junction; Cross bar 86 has spacing hole 87, and collision block 81 has the projection 811 that is installed among the spacing hole 87.Through rotation tightening knob 82, drive cross bar 86 and rotate around its fulcrum, spacing hole 87 promotes collision block 81 and rises or descend, and adjusts heavily end 721 spacings of its phase make-up piece.

All be heavily to hold 721 to be lower than its light end 722 under the button piece 72 usual states; So gently hold 722 to tilt to fasten button bar 73, make driving mechanism 6 drive movable block 71, button piece 72 and button bar 73 and go up and down that it is up and down that button bar 73 drives movement 4 again; One OLIVE BUCKLE piece 72 heavily holds 721 to abut on the collision block 81; Then collision block 81 after its fulcrum rotates, be in heavily hold 721 with light end 722 balances, then gently hold 722 can't fasten button bar 73 through its movable span 723, driving mechanism 6 can't drive movements 4 through button bar 73 this moment; So rise or descend through promoting collision block 81; Adjust heavily end 721 spacings of its phase make-up piece, can play the effect of the adjustment screw tap degree of depth, and the tripping mechanism 8 with present embodiment has the advantage of laborsaving, good hand touch and stable performance.

Claims

1. heavy type tapper; Comprise frame and cabinet; Cabinet comprises casing, movement and motor; Movement comprises the transmission mechanism that connects motor output shaft, to the rotating shaft that extends below, the lower sleeve that is fixed on last round platform and the following round platform in the rotating shaft, the upper bush that cooperates with last round platform socket and cooperates with following round platform socket; Through the transmission mechanism driven rotary, upper bush and lower sleeve direction of rotation are opposite and can linkage from top to bottom in movement by motor for upper bush and lower sleeve, and cabinet also has the driving mechanism that orders about movement and move up and down, connect the buckle mechanism of movement and driving mechanism and impel the movable tripping mechanism of disengaging buckle mechanism during to the precalculated position of movement; Tripping mechanism can be regulated the precalculated position that movement breaks away from buckle mechanism; It is characterized in that: transmission mechanism comprises the speed change gear with at least two kinds of output speeds, and this speed change gear input connects motor output shaft, and this speed change gear output connects upper bush and lower sleeve.

2. heavy type tapper according to claim 1; It is characterized in that: speed change gear comprise first travelling gear that is fixedly mounted on the motor output shaft, with second travelling gear, first rotating shaft that laterally arranges and second rotating shaft, the first stud gear that is meshed and second stud gear, the 3rd change-speed gearing that is meshed and the 4th change-speed gearing of first travelling gear engagement; First stud gear, the 3rd change-speed gearing and second travelling gear are fixedly mounted in first rotating shaft from top to bottom; Second stud gear and the 4th change-speed gearing are fixedly mounted in second rotating shaft from top to bottom; Second rotating shaft connects upper bush and lower sleeve; First rotating shaft can be up and down; The first rotating shaft outer wall has first spline and second spline from top to bottom, and the inwall of first stud gear, the 3rd change-speed gearing and second travelling gear has keyway respectively, and second spline cooperates with the second travelling gear keyway all the time; Up first spline of first rotating shaft leaves the first stud gear keyway and second spline gets into the 3rd change-speed gearing keyway, and descending first spline of first rotating shaft gets into the first stud gear keyway and second spline leaves the 3rd change-speed gearing keyway.

3. heavy type tapper according to claim 1 and 2; It is characterized in that: buckle mechanism comprises movable block, button piece and button bar; Movable block drives up and down by driving mechanism; Button piece middle part has with hard-wired fulcrum of movable block and button piece and can rotate around fulcrum, and button piece two ends have heavily end and light end respectively around its fulcrum, and the light end of button piece has the movable span of diameter greater than button bar; Button bar is installed in the movable span and button bar and movement interlock installation, and tripping mechanism comprises the collision block of heavily holding spacing and cooperating with its butt that can adjust relative button piece.

4. heavy type tapper according to claim 3; It is characterized in that: tripping mechanism comprise gear train that tightening knob, tightening knob drive, gear set drive tooth bar, be rotatably connected at the link rod on the tooth bar, cross bar on link rod and the collision block that flexibly connects with cross bar are rotatably connected; Has rotating fulcrum between the link rod junction of whippletree and the collision block junction; Cross bar has spacing hole, and collision block has the projection that is installed among the spacing hole.