CN205393705U - Main shaft adjusting device for single axis tapping board - Google Patents

Abstract

The utility model discloses a main shaft adjusting device for single axis tapping board, its technical scheme main points are including the base, the center pin of vertical fixation on the base, the wire receptacle that attacks who slides and connect on the center pin and be used for installing tapping head, this mediation device is still including the mounting groove of seting up on the center pin and the center pin direction of height is unanimous, detachable is fixed in the rack in the mounting groove, with the driven gear of rack toothing, fix and wear to locate on the gear and rotate and connect the pivot on attacking wire receptacle, one end by the pivot extends to the drive end of attacking the outer formation of wire receptacle. The utility model discloses the meshing transmission that utilizes gear and rack can realize attacking the regulation of wire receptacle height, adjusts the precision higher the time, has also reduced the cost of whole device.

Description

The main axis adjustment device of multi-shaft tapping machine

Technical field

This utility model relates to a kind of punch device field, particularly to a kind of main axis adjustment device of multi-shaft tapping machine.

Background technology

Tapping machine is exactly a kind of lathe using screw tap machining internal thread, and it is most widely used a kind of internal thread machining lathe.Multi-shaft tapping machine is then one therein, adjustable multi-shaft tapping machine as disclosed in Chinese utility model that application number is 03237798.3.

In traditional mechanical accessory screw thread process, what adopt is the tapping machine that moves up and down of hydraulically powered main spindle box more, the degree of regulation that its shortcoming is tapping seat is not high, this will easily lead to hydraulic-driven processing screw thread time accuracy of thread low, do not reach the requirement of processing.

Utility model content

The purpose of this utility model is to provide a kind of main axis adjustment device of multi-shaft tapping machine, and it is being capable of on the basis of tapping seat altitude mixture control, moreover it is possible to improve degree of regulation.

Above-mentioned technical purpose of the present utility model has the technical scheme that

A kind of main axis adjustment device of multi-shaft tapping machine, being connected on central shaft and for installing the tapping seat of tapping-head including pedestal, the central shaft being perpendicularly fixed on pedestal, sliding, this adjustment device also includes the gear of the mounting groove being opened on central shaft and central shaft short transverse is consistent, the tooth bar being detachably secured in mounting groove and tooth bar engaged transmission, fixing be arranged on gear and be rotationally connected with the rotating shaft on tapping seat, extended to the drive end formed outside tapping seat by one end of rotating shaft.

By adopting technique scheme, utilize the engaged transmission of gear and tooth bar can realize the adjustment of tapping seat height degree, while degree of regulation is higher, also reduce the cost of whole device.

This utility model is further arranged to: what described mounting groove was symmetrical is opened on central shaft, and what described tooth bar was symmetrical is arranged in mounting groove, described turn axisymmetric and is rotationally connected with on tapping seat, symmetrical being fixed in rotating shaft of described gear.

By adopting technique scheme, it is possible to what allow tapping seat slides in the process of up-down adjustment is more steady.

This utility model is further arranged to: described mounting groove offers hole, location respectively in the two ends of tooth bar, described tooth bar offers lock hole in hole place, location, described lock hole is extended with, towards the direction in hole, location, the positioning sleeve that can insert hole, location in hole place, location, is equipped with locking bolt between described lock hole and hole, location.

By adopting technique scheme, by locking bolt, by tooth bar tightly lock onto in mounting groove, fully ensured that tooth bar be fixed to mounting groove after structural strength, it is to avoid tooth bar in life-time service because the inadequate of intensity collapses from mounting groove；Meanwhile, the existence of positioning sleeve can either facilitate the alignment between the lock hole on tooth bar and the lock hole on mounting groove, and also the transmission for locking bolt provides guide effect.

This utility model is further arranged to: be fixedly connected with the cursor for driving drive end to rotate on described drive end.

By adopting technique scheme, when needs twist rotating shaft, it is only necessary to rotary motion arm, cursor now will be rotated with rotating shaft by drive end together, and owing to cursor is longer, thus its meeting ratio in the process driving axis of rotation is relatively labor-saving.

This utility model is further arranged to: one end of the relatively close cursor of described drive end is provided with square department, and described cursor offers the square opening coordinated with square department grafting.

By adopting technique scheme, the cooperation between square opening and square department, it becomes possible to realize fixing between cursor and drive end easily.And select square opening but not adopt circular hole, it is because the square opening on cursor after coordinating with the square department on drive end, will not allow cursor that idle running occurs.

This utility model is further arranged to: the side of described square department is gradually tapered up by the direction of spindle central sensing cursor and forms inclined plane.

By adopting technique scheme, square department and square opening after grafting coordinates, it is possible to utilize inclined plane further to strengthen the fastness between drive end and cursor.

This utility model is further arranged to: described cursor is relative to being fixedly connected with holding end on the other end of drive end.

By adopting technique scheme, the rotation of cursor can be facilitated, and then also just facilitate cursor to drive the rotation of rotating shaft.

This utility model is further arranged to: be arranged with revolving sleeve on described holding end.

By adopting technique scheme, when gripping revolving sleeve and drive holding end to rotate, the existence of revolving sleeve just can be good at eliminating the friction between palm and holding end.

This utility model is further arranged to: described holding end is fixedly connected with the positive stop strip for limiting revolving sleeve position away from one end of cursor.

By adopting technique scheme, the existence of positive stop strip can effectively avoid revolving sleeve to depart from away from holding end.

In sum, this utility model has the advantages that when needs adjustment tapping seat height is spent, rotating drive end, drive end rotates together with rotating shaft, again through the transmission of key, gear in rotating shaft rotates together also with rotating shaft, wheel and rack engaged transmission, and owing to tooth bar is integrally fixed in the mounting groove on central shaft, therefore tooth bar will not move, gear can slide up and down along central shaft with whole tapping seat, and then realizes the up-down adjustment of tapping seat.

Compared with the mode of existing Driven by Hydraulic Cylinder, this utility model can realize the adjustment of tapping seat height degree by the engaged transmission of gear and tooth bar, while degree of regulation is higher, also reduces the cost of whole device.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the A portion enlarged drawing in Fig. 1；

Fig. 3 is the B portion enlarged drawing in Fig. 1；

Fig. 4 is the fit structure schematic diagram of the gear in Fig. 1 and tooth bar.

In figure: 1, pedestal；2, central shaft；21, mounting groove；22, hole, location；3, tapping seat；4, tooth bar；41, lock hole；5, gear；6, rotating shaft；61, drive end；62, square department；621, inclined plane；7, cursor；71, holding end；711, positive stop strip；72, square opening；8, positioning sleeve；9, locking bolt；10, revolving sleeve.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.Wherein identical parts are presented with like reference characters.It should be noted that, the word "front", "rear" of use is described below, direction that "left", "right", "up" and "down" refer only in accompanying drawing, direction not in kind, word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.

A kind of main axis adjustment device of multi-shaft tapping machine, including pedestal 1, pedestal 1 is vertically installed with a central shaft 2, be slidably connected on central shaft 2 the tapping seat 3 for installing tapping-head, central shaft 2 offers mounting groove 21 axially along, tooth bar 4 is fixed in mounting groove 21, tapping seat 3 is equipped with rotating shaft 6, and rotating shaft 6 can rotate on tapping seat 3, rotating shaft 6 is arranged with and the gear 5 of tooth bar 4 engaged transmission, it is that the transmission by key realizes rotating between gear 5 and rotating shaft 6, one end of rotating shaft 6 extends to outside tapping seat 3, formation can be used for the drive end 61 driving rotating shaft 6 to rotate.As shown in Figure 2.

Operation principle of the present utility model is: when needs regulate tapping seat 3 height, rotate drive end 61, drive end 61 rotates together with rotating shaft 6, again through the transmission of key, the gear 5 in rotating shaft 6 rotates together also with rotating shaft 6, gear 5 and tooth bar 4 engaged transmission, and owing to tooth bar 4 is integrally fixed in the mounting groove 21 on central shaft 2, therefore tooth bar 4 will not move, and gear 5 can slide up and down along central shaft 2 with whole tapping seat 3, and then realizes the up-down adjustment of tapping seat 3.

Compared with the mode of existing Driven by Hydraulic Cylinder, this utility model can realize the adjustment of tapping seat 3 height by the engaged transmission of gear 5 and tooth bar 4, while degree of regulation is higher, also reduces the cost of whole device.

It should be noted that, mounting groove 21 is preferably symmetricly set on central shaft 2, gear 5, tooth bar 4 etc. are symmetrical arranged all accordingly, and the power that such tapping seat 3 is subject to will proud balance, so just can allow tapping seat 3 slides in the process of up-down adjustment more steady.

In above-described embodiment, tooth bar 4 can may be detachably retained in locating slot, and dismountable mode is more, such as clamping, snapping etc., and one of which disclosed herein, specific as follows:

Mounting groove 21 respectively offers hole 22, a location at the two ends of tooth bar 4, tooth bar 4 is then offered lock hole 41 accordingly, and lock hole 41 has also been wholely set a positioning sleeve 8 at hole 22 place, location, positioning sleeve 8 is inserted in hole 22, location, being fixed together by locking bolt 9 between lock hole 41 and hole 22, location, total is as shown in Figure 3.

By locking the effect of bolt 9, by tooth bar 4 tightly lock onto in mounting groove 21, compared with the mode such as clamping, the fixing structural strength of bolt is better, it is to avoid tooth bar 4 in life-time service because the inadequate of intensity collapses from mounting groove 21.Meanwhile, the existence of positioning sleeve 8, namely can facilitate the alignment between the lock hole 41 on tooth bar 4 and the lock hole 41 on mounting groove 21, also the transmission for locking bolt 9 provides guide effect.

When considering that reversing drive end 61 drives rotating shaft 6 to rotate, relatively in order to require great effort, therefore one cursor 7 of connection can be fixed on drive end 61, as shown in Figure 2, so when needs twist rotating shaft 6, it is only necessary to rotary motion arm 7, cursor 7 now will be rotated with rotating shaft 6 by drive end 61 together, owing to cursor 7 is longer, thus its meeting ratio in the process driving rotating shaft 6 to rotate is relatively labor-saving.

Additionally, drive end 61 can also be made a square department 62 near one end of cursor 7, cursor 7 is then offered a square opening 72 that can coordinate with square department 62 grafting accordingly, as shown in Figure 2, so by the cooperation between square opening 72 and square department 62, it becomes possible to realize fixing between cursor 7 and drive end 61 easily.And select square opening 72 but not adopt circular hole, it is because the square opening 72 on cursor 7 after coordinating with the square department 62 on drive end 61, will not allow cursor 7 that idle running occurs.

Preferably the side of square department 62 is made skewed, namely the direction that cursor 7 is pointed to by rotating shaft 6 center in the side of square department 62 gradually tapers up, form inclined plane 621, as shown in Figure 4, square opening 72 is then arranged accordingly, such square department 62 and square opening 72 are after grafting coordinates, it is possible to utilize inclined plane 621 further to strengthen the fastness between drive end 61 and cursor 7.

It is, of course, also possible to arrange a holding end 71 on cursor 7, as in figure 2 it is shown, so by the gripping effect of holding end 71, the rotation of cursor 7 just can be facilitated, and then also just facilitates cursor 7 to drive the rotation of rotating shaft 6.

When gripping holding end 71 to eliminate, friction between palm and holding end 71, therefore a revolving sleeve 10 can also be overlapped on holding end 71, as shown in Figure 2, when gripping revolving sleeve 10 and drive holding end 71 to rotate, the existence of revolving sleeve 10 just can be good at eliminating the friction between palm and holding end 71.

Furthermore it is also possible to fix a positive stop strip 711 at holding end 71 away from one end of cursor 7, as in figure 2 it is shown, thus revolving sleeve 10 can be avoided to depart from away from holding end 71 by arranging of positive stop strip 711.

It is last it is noted that above example is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made the amendment not having creative contribution as required by those skilled in the art after reading this specification, but as long as being affected by the protection of Patent Law in right of the present utility model.

Claims (9)

1. the main axis adjustment device of multi-shaft tapping machine, including pedestal (1), it is perpendicularly fixed at the central shaft (2) on pedestal (1), sliding is connected on central shaft (2) and for installing the tapping seat (3) of tapping-head, it is characterized in that: this adjustment device also includes being opened in the mounting groove (21) that central shaft (2) is upper and central shaft (2) short transverse is consistent, it is detachably secured to the tooth bar (4) in mounting groove (21), gear (5) with tooth bar (4) engaged transmission, fix and be arranged in the rotating shaft (6) that gear (5) is upper and is rotationally connected with on tapping seat (3), the drive end (61) that tapping seat (3) is formed outward is extended to by one end of rotating shaft (6).

2. the main axis adjustment device of multi-shaft tapping machine according to claim 1, it is characterized in that: what described mounting groove (21) was symmetrical is opened on central shaft (2), what described tooth bar (4) was symmetrical is arranged in mounting groove (21), what described rotating shaft (6) was symmetrical is rotationally connected with on tapping seat (3), symmetrical being fixed in rotating shaft (6) of described gear (5).

3. the main axis adjustment device of multi-shaft tapping machine according to claim 1 and 2, it is characterized in that: described mounting groove (21) offers hole, location (22) respectively in the two ends of tooth bar (4), described tooth bar (4) offers lock hole (41) in hole (22) place, location, described lock hole (41) is extended with, towards the direction of hole, location (22), the positioning sleeve (8) that can insert hole, location (22) in hole (22) place, location, locking bolt (9) it is equipped with between described lock hole (41) and hole, location (22).

4. the main axis adjustment device of multi-shaft tapping machine according to claim 1 and 2, it is characterised in that: described drive end (61) is fixedly connected with the cursor (7) for driving drive end (61) to rotate.

5. the main axis adjustment device of multi-shaft tapping machine according to claim 4, it is characterized in that: one end of described drive end (61) relatively close cursor (7) is provided with square department (62), and described cursor (7) offers the square opening (72) coordinated with square department (62) grafting.

6. the main axis adjustment device of multi-shaft tapping machine according to claim 5, it is characterised in that: the side of described square department (62) is gradually tapered up by the direction of rotating shaft (6) center sensing cursor (7) and forms inclined plane (621).

7. the main axis adjustment device of multi-shaft tapping machine according to claim 4, it is characterised in that: described cursor (7) is fixedly connected with holding end (71) on the other end relative to drive end (61).

8. the main axis adjustment device of multi-shaft tapping machine according to claim 7, it is characterised in that: described holding end (71) is arranged with revolving sleeve (10).

9. the main axis adjustment device of multi-shaft tapping machine according to claim 8, it is characterised in that: described holding end (71) is fixedly connected with the positive stop strip (711) for limiting revolving sleeve (10) position away from one end of cursor (7).