CN202461721U

CN202461721U - Heavy-duty tapping machine

Info

Publication number: CN202461721U
Application number: CN2012200500723U
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-duty tapping machine, which can be used for batch processing of workpieces and realize automated line production. The heavy-duty tapping machine provided by the utility model comprises a rack and a tapping machine case, wherein the tapping machine case can be arranged in the rack in an up and down moving mode, the tapping machine case comprises a casing, a machine core and a tapping motor, the machine core comprises a tapping transmission mechanism connected with an output shaft of the tapping motor, a rotary shaft extending downwards, an upper round table and a lower round table which are fixed on the rotary shaft, an upper sleeve matched with the upper round table in a cup joint mode, and a lower sleeve matched with the lower round table in a cup joint mode, the upper sleeve and the lower sleeve are both driven by the tapping motor through the tapping transmission mechanism, the rotation directions of the upper sleeve and the lower sleeve are opposite, the upper sleeve and the lower sleeve can move up and down in a linkage mode in the machine core, and the upper sleeve and the upper round table are matched in a cup joint mode under the action of gravity. A traction case capable of automatically driving the tapping machine case to reciprocate up and down is arranged in the rack.

Description

Heavy type tapper

Technical field

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

Background technology

Existing heavy type tapper; With reference to figure 1, Fig. 2, shown in Figure 3 and with reference to CN101323034B bulletin text; Comprise frame 1 and screw tap cabinet 2; Screw tap cabinet 2 can be installed among the frame 1 up and downly; Screw tap cabinet 2 comprises casing 21, movement 22 and screw tap motor 23; Movement 22 comprises the screw tap transmission mechanism 24 that connects screw tap motor 23 output shafts, to the rotating shaft that extends below 25, the lower sleeve 29 that is fixed on last round platform 26 and the following round platform 27 in the rotating shaft 25, the upper bush 28 that cooperates with last round platform 26 sockets and cooperates with following round platform 27 sockets, upper bush 28 and lower sleeve 29 pass through 24 drives of screw tap transmission mechanism by screw tap motor 23, upper bush 28 and lower sleeve 29 direction of rotation are on the contrary and can linkage from top to bottom in movement 22; Upper bush 28 cooperates with last round platform 26 sockets under the gravity effect; Screw tap motor 23 is driven by upper bush 28 and goes up round platform 26 and rotating shaft 25 rotations through driving upper bush 28, drives through handle 3 to begin when movement 22 drops to desired location workpiece is carried out screw tap processing.After accomplishing screw tap processing; Impel the buckle mechanism between screw tap transmission mechanism 24 and the movement 22 to throw off through tripping mechanism; Movement 22 is risen by the promotion of bottom spring; Thereby make upper bush 28 and lower sleeve 29 simultaneously to top offset, upper bush 28 is thrown off and is gone up round platform 26 and lower sleeve 29 covers are received down on the round platform 27, realizes that reverse thread path that rotating shaft 25 is gone out by previous screw tap of rotating shaft 25 moves back and attack.

The problem that above-mentioned prior art exists is that workman's single operation can only process single workpiece, can't carry out the automated production of a plurality of workpiece continuously, and the manual work amount is big, and production efficiency is low and machining accuracy is low.

Summary of the invention

In order to overcome the defective of above-mentioned prior art, the utility model provides and can carry out batch machining to workpiece, realizes the heavy type tapper of automation continuous productive process.

The heavy type tapper that the utility model provides; Comprise frame and screw tap cabinet; The screw tap cabinet can be installed among the frame up and downly; The tapper case comprises casing, movement and screw tap motor; Movement comprises the screw tap transmission mechanism that connects the screw tap 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, upper bush and lower sleeve pass through the drive of screw tap transmission mechanism by the screw tap motor, upper bush and lower sleeve direction of rotation are on the contrary and can linkage from top to bottom in movement; Upper bush cooperates with last round platform socket under the gravity effect, also is provided with in the frame and can orders about the traction cabinet that the screw tap cabinet pumps automatically.

The heavy type tapper of the utility model, upper bush drove and goes up round platform and rotating shaft rotation when the screw tap cabinet was descending, and the workpiece screw tap is processed; When the screw tap cabinet goes downwards to when reaching preset extreme lower position, the traction cabinet can let the break-in of screw tap cabinet up, and the movement that can drive wherein when the screw tap cabinet is up is up; Upper bush and lower sleeve are simultaneously to top offset; And the rotating shaft in the movement is owing to receive the effect of workpiece can't be up, so upper bush is thrown off and gone up round platform and the lower sleeve cover is received down on the round platform, round platform and rotating shaft backward rotation under lower sleeve drives; Thereby making rotating shaft driven the thread path that goes out by screw tap by the screw tap cabinet moves back and attacks and up together; When the screw tap cabinet is up to when reaching preset extreme higher position, the traction cabinet can let the break-in of screw tap cabinet descending again, and therefore drawing cabinet can provide and let screw tap cabinet up and down reciprocatingly movable function in frame automatically; The workman only needs before machine starts, to regulate machine parameter; The just processing work voluntarily of back tapper of machining, can be uninterruptedly screw tap processing work in batches, improve the production efficiency machining accuracy of screw tap processing.

The structure of the traction cabinet in the heavy type tapper of the utility model is: comprise housing, screw rod, screw sleeve, reference column, elasticity head part, traction electric machine, switching-over transmission mechanism, upper limit mechanism, lower limit mechanism and swing fastener; Screw rod extends housing and up and down in housing up and down; Screw rod is fixedly connected with the casing of screw tap cabinet; Screw sleeve rotates in housing and can be up and down in housing, and screw sleeve is socketed on the screw rod and with screw flight and cooperates, and reference column is fixed on the housing and limits screw sleeve lengthwise movement up and down; The elasticity head part acts on screw sleeve all the time; The switching-over transmission mechanism drives and orders about screw sleeve forward rotation or backward rotation by traction electric machine, and upper limit mechanism limits the range that screw rod descends, and the swing fastener fastens screw sleeve under the effect of upper limit mechanism; Lower limit mechanism limits the range that screw rod rises, the swing fastener screw sleeve of under the effect of lower limit mechanism, triping.

Above-mentioned traction cabinet is realized the rotating break-in of screw sleeve through the cooperation of switching-over transmission mechanism and screw sleeve; Internal thread by screw sleeve drives screw rod rising or decline; Upper limit mechanism and lower limit mechanism then provide the function that lets the traction cabinet realize automatic switchover screw tap cabinet jacking condition, have advantage simple in structure, with low cost.

The heavy type tapper that the utility model further provides; Its switching-over transmission mechanism comprises the gear train that is connected to the traction electric machine output shaft and is fixedly mounted on the bevel gear spare on the screw sleeve; Bevel gear spare has towards the opposite face of bevel gear up and down; Gear train comprises the last bevel gear and following bevel gear that lays respectively at bevel gear spare upper and lower; Last bevel gear and play bevel gear rotate in the same way, screw sleeve in housing up bevel gear spare on the bevel gear face mesh the subumbrella face of gear and the subumbrella gears engaged of screw sleeve descending bevel gear spare in housing with last bevel gear.Bevel gear spare has the forward or reverse that can realize screw sleeve towards opposite two last bevel gears that rotate in the same way of the face of bevel gear up and down cooperation and following bevel gear.

The heavy type tapper that the utility model further provides; Its switching-over transmission mechanism comprises power shaft, output shaft, friction plate and frictional disk, and power shaft connects traction electric machine output shaft, output shaft connecting screw rod sleeve; Power shaft and output shaft concentric are installed; Friction plate is fixedly installed to power shaft, and frictional disk is fixedly installed to output shaft, the axial distance of friction plate applying and drive frictional disk and the relative frictional disk of friction plate scalable.Frictional disk of setting up and friction plate are equivalent to the clutch action between power shaft, the output shaft, and can realize the control to the screw tap processing characteristics of the rotating shaft of screw tap cabinet through regulating between the two rate of tension.

Above-mentioned heavy type tapper; Upper limit mechanism comprises head part and last collision block in its traction cabinet; Last head part places the top of screw sleeve and extends housing, and last collision block places on the screw rod and is higher than the housing that draws cabinet, and lower limit mechanism comprises head part and lower bumping block down; Following head part places the bottom of screw sleeve and extends housing, and lower bumping block places on the screw rod and is lower than the housing of traction cabinet.

The heavy type tapper that the utility model further provides is that above-mentioned upward collision block and lower bumping block can be adjusted relative distance between the two.Distance adjustment between last collision block and the lower bumping block can realize the advantage of convenient adjustment screw tap cabinet oscilaltion stroke, and then can conveniently adjust the degree of depth of screw tap processing.

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 embodiment of the utility model.

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

Fig. 3 be in the screw tap cabinet of Fig. 2 rotating shaft, go up round platform, the cooperation sketch map of round platform, upper bush and lower sleeve down.

Fig. 4 is one of structural representation of the traction cabinet among Fig. 1.

Fig. 5 be the traction cabinet among Fig. 1 structural representation two.

Fig. 6 is the partial structurtes sketch map of the traction cabinet among Fig. 1.

Fig. 7 is the structural representation of the swing fastener in the traction cabinet among Fig. 1.

Fig. 8 be the traction cabinet among Fig. 1 structural representation three.

Each parts is respectively among the figure:

1, frame;

2, screw tap cabinet, 21, casing, 22, movement, 23, the screw tap motor, 24, the screw tap transmission mechanism, 25, rotating shaft, 26, go up round platform, 27, round platform down, 28, upper bush, 29, lower sleeve;

3, handle;

4, traction cabinet, 41, housing, 42, screw rod, 43, screw sleeve, 44, reference column, 45, the elasticity head part; 46, traction electric machine, 47, the switching-over transmission mechanism, 471, gear train, 471a, reduction gearing, 471b, first travelling gear, 471c, second travelling gear; 472, bevel gear spare, 473, go up the bevel gear face, 474, the subumbrella face of gear, 475, go up bevel gear, 476, bevel gear down, 477, power shaft; 478, output shaft, 479a, friction plate, 479b, frictional disk, 479c, adjustment screw, 479d, hold-down nut, 48, upper limit mechanism; 481, go up head part, 482, go up collision block, 49, lower limit mechanism, 491, head part down, 492, lower bumping block, 4a, swing fastener; 4a1, clip seat, 4a2, fastener are tapped the head, 4a21, first projection, 4a22, second projection, 4a3, spring, 4a4, fastener; 4a5, elbow, 4a51, ramp, 4a52, lower inclined plane, 4a53, deduction plane, 4b, bearing block.

The specific embodiment

Extremely shown in Figure 7 like Fig. 1; The heavy type tapper embodiment of the utility model; Comprise frame 1 and screw tap cabinet 2; Screw tap cabinet 2 can be installed among the frame 1 up and downly; Screw tap cabinet 2 comprises casing 21, movement 22 and screw tap motor 23, and movement 22 comprises the screw tap transmission mechanism 24 that connects screw tap motor 23 output shafts, to the rotating shaft that extends below 25, the lower sleeve 29 that is fixed on last round platform 26 and the following round platform 27 in the rotating shaft 25, the upper bush 28 that cooperates with last round platform 26 sockets and cooperates with following round platform 27 sockets, and upper bush 28 and lower sleeve 29 pass through 24 drives of screw tap transmission mechanism by screw tap motor 23; Upper bush 28 is opposite and can linkage from top to bottom in movement 22 with lower sleeve 29 direction of rotation; Upper bush 28 cooperates with last round platform 26 sockets under the gravity effect, and screw tap motor 23 is driven by upper bush 28 and goes up round platform 26 and rotating shaft 25 rotations through driving upper bush 28.

Also be provided with in the frame and can order about the traction cabinet 4 that the screw tap cabinet pumps automatically, traction cabinet 4 comprises housing 41, screw rod 42, screw sleeve 43, reference column 44, elasticity head part 45, traction electric machine 46, switching-over transmission mechanism 47, upper limit mechanism 48, lower limit mechanism 49 and swing fastener 4a.

Screw rod 42 extends housing 41 and up and down in housing 41 up and down, and screw rod 42 is fixed together with the casing 21 of screw tap cabinet 2, and the rising of screw rod 42 or following general who has surrendered drive the 2 whole realization up-downs of screw tap cabinet thus.

Screw sleeve 43 rotates in housing 41 and can be up and down in housing 41; Screw sleeve 43 be socketed on the screw rod 42 and with screw rod 42 threaded engagement; Be that screw sleeve 43 is provided with the external screw thread that internal thread is used for cooperating screw rod 42, the rotation of screw sleeve 43 can be ordered about screw rod 42 and rise or descend.

Reference column 44 is fixed on the housing 41 and limits screw sleeve lengthwise movement about in the of 43, i.e. the existence of reference column 44 can make screw sleeve 43 in housing 41, can not depart from the inclination longitudinal direction when up and down.

Elasticity head part 45 acts on screw sleeve 43 all the time; This elasticity head part 45 is connected to the spring of screw sleeve 43 bottoms and housing 41 bottoms for two ends; The screw sleeve 43 pressing spring savings elastic force that in housing 41, descends at present, thereby so that suitable opportunity retracting spring offer the power that screw sleeve 43 rises in housing 41.

Upper limit mechanism 48 limits the range that screw rod 42 descends; Swing fastener 4a fastens screw sleeve 43 under 48 effects of upper limit mechanism, upper limit mechanism 48 comprises head part 481 and last collision block 482, and last head part 481 places the top of screw sleeve 43 and extends housing 41; Last collision block 482 places on the screw rod 42 and is higher than the housing 41 that draws cabinet 4; Therefore descend when head part 481 is gone up in last collision block 482 contacts when screw rod 42, will bring out swing fastener 4a and fasten screw sleeve 43, lower limit mechanism 49 limits the range of screw rods 42 risings; The swing fastener 4a screw sleeve 43 of under 49 effects of lower limit mechanism, triping; Lower limit mechanism 49 comprises head part 491 and lower bumping block 492 down, and following head part 491 places the bottom of screw sleeve 43 and extends housing 41, and lower bumping block 492 places on the screw rod 42 and is lower than the housing 41 of traction cabinet 4; Therefore rise until lower bumping block 492 contacts down during head part 491 when screw rod 42, will bring out and swing the fastener 4a screw sleeve 43 of triping.

Last collision block 482 and lower bumping block 492 all can be regulated the relative altitude with screw rod 42 respectively; Can be fixed on the screw rod 42 after having regulated; That is to say that collision block 482 and lower bumping block 492 can adjust relative distance between the two; The stroke that adjusting screw(rod) 42 rises or descends can be realized thus, and then the degree of depth of screw tap cabinet 2 screw taps processing can be conveniently adjusted.

Switching-over transmission mechanism 47 drives and orders about screw sleeve 43 forward rotation or backward rotation by traction electric machine 46; Switching-over transmission mechanism 47 comprises the gear train 471 that is connected to traction electric machine 46 output shafts and is fixedly mounted on the bevel gear spare 472 on the screw sleeve 43; Bevel gear spare 472 has towards the opposite face of bevel gear up and down 473,474; Gear train 471 comprises the last bevel gear 475 and following bevel gear 476 that lays respectively at bevel gear spare 472 upper and lowers; Last bevel gear 475 rotates with following bevel gear 476 in the same way; Screw sleeve 43 in housing 41 up bevel gear spare 472 on bevel gear face 473 and last bevel gear 475 engagements; The subumbrella face of gear 474 of screw sleeve 43 descending bevel gear spare 472 in housing 41 and following bevel gear 476 engagements are realized rising or two the rightabout motions that descend thereby make screw sleeve 43 can drive screw rod 42.

Switching-over transmission mechanism 47 also comprises power shaft 477, output shaft 478, friction plate 479a and frictional disk 479b; Power shaft 477 connects traction electric machine 46 output shafts; Output shaft 478 connecting screw rod sleeves 43, power shaft 477 is installed with output shaft 478 concentrics, and friction plate 479a is fixedly installed to power shaft 477; Frictional disk 479b is fixedly installed to output shaft 478, the axial distance of friction plate 479a applying and drive frictional disk 479b and the relative frictional disk 479b of friction plate 479a scalable.

Side through deviate from frictional disk 479b at friction plate 479a is provided with adjustment screw 479c and hold-down nut 479d, realizes adjusting friction plate 479a and frictional disk 479b rate of tension between the two.Unclamp hold-down nut 479d; To frictional disk 479b direction precession adjustment screw 479c; Adjustment screw 479c can drive friction plate 479a and be close to frictional disk 479b; Again the nut 479d that is tightened then, on the contrary hold-down nut 479d unclamped, and adjustment screw 479c can drive friction plate 479a and leave frictional disk 479b.

Friction plate 479a presses frictional disk 479b; The thrust that then can offer screw tap cabinet 2 will be big more; Otherwise cooperating with absent-mindedness between the frictional disk 479b, friction plate 479a will make the thrust that offers screw tap cabinet 2 not enough; Therefore the rotating shaft 25 of screw tap cabinet 2 obtains the power deficiency will bring out skid between friction plate 479a and the frictional disk 479b, realize the control to the screw tap processing characteristics of the rotating shaft 25 of screw tap cabinet 2 through regulating friction plate 479a and frictional disk 479b rate of tension between the two.

The gear train 471 of switching-over transmission mechanism 47 also comprises reduction gearing 471a, the first travelling gear 471b and a pair of second travelling gear 471c; Reduction gearing 471a is fixedly mounted on the power shaft 477 and with friction plate 479a and is fixed together; The first travelling gear 471b is fixedly installed to output shaft 478; The a pair of second travelling gear 471c is positioned at the upper and lower of the first travelling gear 471b; The a pair of second travelling gear 471c simultaneously and first travelling gear 471b engagement, a pair of second travelling gear 471c respectively with last bevel gear 475 and following bevel gear 476 coaxial installations.

Swing fastener 4a comprises clip seat 4a1, fastener tap the head 4a2, spring 4a3 and fastener 4a4; Clip seat 4a1 is fixedly mounted on the housing 41; Fastener 4a4 middle part is fixedly mounted on clip seat 4a1 middle part through bearing pin and can rotates around bearing pin; The fastener 4a2 that taps the head is fixedly mounted on clip seat 4a1 bottom through bearing pin and can rotates around bearing pin; The fastener 4a2 that taps the head has first projection 4a21 that cooperates with following head part 491 butts and the second projection 4a22 that cooperates with fastener 4a4 lower end butt, and spring 4a3 is arranged between fastener 4a4 upper end and the housing 41, and fastener 4a4 upper end has and deviates from the elbow 4a5 that spring 4a3 direction is extended; Elbow 4a5 has ramp 4a51, lower inclined plane 4a52 and deduction plane 4a53; Ramp 4a51 and lower inclined plane 4a52 cooperate with screw sleeve 43 slip butts successively under 48 effects of upper limit mechanism, and lower inclined plane 4a52 and ramp 4a51 cooperate with screw sleeve 43 slip butts successively under 49 effects of lower limit mechanism, and deduction plane 4a53 is deduction screw sleeve 43 from the top.

In addition, as shown in Figure 8, this heavy type tapper embodiment has also comprised bearing block 4b, and this bearing block 4b is fixedly mounted on the housing 41, and the installation shaft of the first travelling gear 471b and a pair of second travelling gear 471c all is mounted among this bearing block 4b.

The operation principle of above-mentioned heavy type tapper embodiment is following:

Through manual control carry out screw tap and have a fling at, start screw tap motor 23, because upper bush 28 cooperates with last round platform 26 sockets under the gravity effect (1), earlier; Screw tap motor 23 drives upper bush 28 through screw tap transmission mechanism 24; Drive by upper bush 28 again and go up round platform 26 and rotating shaft 25 is rotated, when pulling handle 3 and driving movements 22 and drop to desired location, workpiece is carried out screw tap examination processing; After accomplishing screw tap processing; Impel the buckle mechanism between screw tap transmission mechanism 24 and the movement 22 to throw off through tripping mechanism (indicating among the figure), movement 22 is risen by the promotion of bottom spring, thereby makes upper bush 28 and lower sleeve 29 simultaneously to top offset; Upper bush 28 is thrown off when going up round platform 26 lower sleeve 29 covers and is received down on the round platform 27, realizes that reverse thread path that rotating shaft 25 is gone out by previous screw tap of rotating shaft 25 moves back and attack.

(2), then to the workpiece that has a fling at; Angle and position according to the good screw tap cabinet of imagining 2 of screw tap parameter regulation; Regulate in the traction cabinet 4 and go up the distance between collision block 482 and the lower bumping block 492, regulate the rate of tension between friction plate 479a and the frictional disk 479b.Start screw tap motor 23; Start traction electric machine 46 then, swing the state that fastener 4a is in the screw sleeve 43 of triping this moment, receives the elastic force effect of spring 4a3; The ramp 4a51 of its elbow 4a5 abuts to screw sleeve 43; Screw sleeve 43 is in by the state of elasticity head part 45 jack-up, and last bevel gear face 473 engagements of last bevel gear 475 in the switching-over transmission mechanism 47 and the bevel gear spare 472 on the screw sleeve 43 drive screw sleeve 43 forward rotation; Screw rod 42 is promoted downwards; Thereby it is descending in frame 1 to drive screw tap cabinet 2, and because of the upper bush 28 of screw tap cabinet 2 cooperates with the socket under the gravity effect of last round platform 26, rotating shaft 25 forward rotation of screw tap cabinet 2 are carried out the screw tap workpiece.

(3), the screw tap operation is accomplished after while or the screw tap operation completion; Because of the upper limit mechanism on the screw rod 42 48 is brought out, promptly go up collision block 482 extruding and go up head part 481, it is descending in housing 41 to drive screw sleeve 43; The ramp 4a51 that screw sleeve 43 successively slips over swing fastener 4a and lower inclined plane 4a52 are until connecting with the plane 4a53 that deducts; Press down elasticity head part 45 with savings elastic force in the time of by swing fastener 4a constraint, after swing fastener 4a received the elastic force effect of spring 4a3 to accomplish the snap close to screw sleeve 43, the subumbrella face of gear 474 of the bevel gear spare 472 of screw sleeve 43 was engaged to down bevel gear 476; Thereby make screw sleeve 43 backward rotation; The automatic reverse of realizing screw rod 42 is up, thereby it is up in frame 1 to drive screw tap cabinet 2, and upper bush 28 in the screw tap cabinet 2 and lower sleeve 29 are simultaneously to top offset; And the rotating shaft 25 in this moment screw tap cabinet 2 because of the screw thread that is gone out by screw tap pins can't be up; Therefore upper bush 28 is thrown off and is gone up round platform 26 and lower sleeve 29 covers are received down on the round platform 27, realizes that rotating shaft 25 counter-rotatings can be moved back rotating shaft 25 by the thread path that previous screw tap goes out and attacked, so that screw tap cabinet 2 is pulled cabinet 4 drives is up.When the effect that just no longer receives workpiece after attacking of moving back is accomplished in rotating shaft 25, the upper bush 28 of screw tap cabinet 2 falls at once under the gravity effect again with last round platform 26 sockets and realizes that rotating shaft 25 just changeing.

(4), screw rod 42 is up, brought out until lower limit mechanism 49, i.e. lower bumping block 492 extruding are head parts 491 down; The following head part 491 bump fasteners first projection 4a21 on the 4a2 that taps the head drives the fastener 4a2 that taps the head and rotates, and the second projection 4a22 that fastener is tapped the head on the 4a2 clashes into fastener 4a4 bottom immediately; Fastener 4a4 is rotated; Plane 4a53 is ineffective in deduction, and the effect that screw sleeve 43 is discharged by elasticity head part 45 elastic force of bottom successively slips over the lower inclined plane 4a52 and the ramp 4a51 that swing fastener 4a; Shake off after the constraint of swing fastener 4a up; The last bevel gear face 473 of screw sleeve 43 mesh with last bevel gear 475 again, and realization screw sleeve 43 just changes once more, and drives screw rod 42 again and screw tap cabinet 2 is descending in frame 1.

Heavy type tapper embodiment just can realize making screw tap cabinet automatic up and down reciprocatingly movable function in frame thus, only needs continuously automatic supply workpiece just can carry out the batch screw tap operation of workpiece.

Claims

1. heavy type tapper; Comprise frame and screw tap cabinet; The screw tap cabinet can be installed among the frame up and downly; The tapper case comprises casing, movement and screw tap motor; Movement comprises the screw tap transmission mechanism that connects the screw tap 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, upper bush and lower sleeve pass through the drive of screw tap transmission mechanism by the screw tap motor, upper bush and lower sleeve direction of rotation are on the contrary and can linkage from top to bottom in movement; Upper bush cooperates with last round platform socket under the gravity effect, it is characterized in that: also be provided with in the frame and can order about the traction cabinet that the screw tap cabinet pumps automatically.

2. heavy type tapper according to claim 1; It is characterized in that: the hauling machine case comprises housing, screw rod, screw sleeve, reference column, elasticity head part, traction electric machine, switching-over transmission mechanism, upper limit mechanism, lower limit mechanism and swing fastener; Screw rod extends housing and up and down in housing up and down, and screw rod is fixedly connected with the casing of screw tap cabinet, and screw sleeve rotates in housing and can be up and down in housing; Screw sleeve is socketed on the screw rod and with screw flight and cooperates; Reference column is fixed on the housing and limits screw sleeve lengthwise movement up and down, and the elasticity head part acts on screw sleeve all the time, and the switching-over transmission mechanism drives and order about screw sleeve forward rotation or backward rotation by traction electric machine; Upper limit mechanism limits the range that screw rod descends; The swing fastener fastens screw sleeve down in upper limit mechanism effect, and lower limit mechanism limits the range that screw rod rises, the swing fastener screw sleeve of under lower limit mechanism acts on, triping.

3. heavy type tapper according to claim 2; It is characterized in that: the switching-over transmission mechanism comprises the gear train that is connected to the traction electric machine output shaft and is fixedly mounted on the bevel gear spare on the screw sleeve; Bevel gear spare has towards the opposite face of bevel gear up and down; Gear train comprises the last bevel gear and following bevel gear that lays respectively at bevel gear spare upper and lower; Last bevel gear and play bevel gear rotate in the same way, screw sleeve in housing up bevel gear spare on the bevel gear face mesh the subumbrella face of gear and the subumbrella gears engaged of screw sleeve descending bevel gear spare in housing with last bevel gear.

4. heavy type tapper according to claim 2; It is characterized in that: the switching-over transmission mechanism comprises power shaft, output shaft, friction plate and frictional disk, and power shaft connects traction electric machine output shaft, output shaft connecting screw rod sleeve; Power shaft and output shaft concentric are installed; Friction plate is fixedly installed to power shaft, and frictional disk is fixedly installed to output shaft, the axial distance of friction plate applying and drive frictional disk and the relative frictional disk of friction plate scalable.

5. according to claim 2 or 3 or 4 described heavy type tappers; It is characterized in that: upper limit mechanism comprises head part and last collision block; Last head part places the top of screw sleeve and extends housing, and last collision block places on the screw rod and is higher than the housing that draws cabinet, and lower limit mechanism comprises head part and lower bumping block down; Following head part places the bottom of screw sleeve and extends housing, and lower bumping block places on the screw rod and is lower than the housing of traction cabinet.

6. heavy type tapper according to claim 5 is characterized in that: go up collision block and lower bumping block and can adjust relative distance between the two.

7. according to claim 2 or 3 or 4 described heavy type tappers; It is characterized in that: the swing fastener comprises that clip seat, fastener are tapped the head, spring and fastener; Clip seat is fixedly mounted on the housing; Fastener middle part is fixedly mounted on the clip seat middle part through bearing pin and can rotates around bearing pin, and fastener is tapped the head and is fixedly mounted on the clip seat bottom and can rotates around bearing pin through bearing pin, and fastener is tapped the head and had first projection that cooperates with following head part butt and second projection that cooperates with fastener lower end butt; Spring is arranged between fastener upper end and the housing; The fastener upper end has the elbow that deviates from the extension of spring direction, and elbow has ramp, lower inclined plane and deduction plane, and ramp and lower inclined plane cooperate with screw sleeve slip butt successively under the effect of upper limit mechanism; Lower inclined plane and ramp cooperate with screw sleeve slip butt successively under the effect of lower limit mechanism, and screw sleeve deducts from the top on the deduction plane.

8. heavy type tapper according to claim 5; It is characterized in that: the swing fastener comprises that clip seat, fastener are tapped the head, spring and fastener; Clip seat is fixedly mounted on the housing; Fastener middle part is fixedly mounted on the clip seat middle part through bearing pin and can rotates around bearing pin, and fastener is tapped the head and is fixedly mounted on the clip seat bottom and can rotates around bearing pin through bearing pin, and fastener is tapped the head and had first projection that cooperates with following head part butt and second projection that cooperates with fastener lower end butt; Spring is arranged between fastener upper end and the housing; The fastener upper end has the elbow that deviates from the extension of spring direction, and elbow has ramp, lower inclined plane and deduction plane, and ramp and lower inclined plane cooperate with screw sleeve slip butt successively under the effect of upper limit mechanism; Lower inclined plane and ramp cooperate with screw sleeve slip butt successively under the effect of lower limit mechanism, and screw sleeve deducts from the top on the deduction plane.

9. heavy type tapper according to claim 6; It is characterized in that: the swing fastener comprises that clip seat, fastener are tapped the head, spring and fastener; Clip seat is fixedly mounted on the housing; Fastener middle part is fixedly mounted on the clip seat middle part through bearing pin and can rotates around bearing pin, and fastener is tapped the head and is fixedly mounted on the clip seat bottom and can rotates around bearing pin through bearing pin, and fastener is tapped the head and had first projection that cooperates with following head part butt and second projection that cooperates with fastener lower end butt; Spring is arranged between fastener upper end and the housing; The fastener upper end has the elbow that deviates from the extension of spring direction, and elbow has ramp, lower inclined plane and deduction plane, and ramp and lower inclined plane cooperate with screw sleeve slip butt successively under the effect of upper limit mechanism; Lower inclined plane and ramp cooperate with screw sleeve slip butt successively under the effect of lower limit mechanism, and screw sleeve deducts from the top on the deduction plane.