CN211516678U - Fourth shaft rotating device for numerical control machine tool - Google Patents

Abstract

The utility model relates to the technical field of an auxiliary device for equally rotating a workpiece group, in particular to a fourth shaft rotating device for a numerical control machine tool; comprises a bottom plate, a side plate, a support plate, a motor, a transmission shaft and a dividing head; still include the supporting seat, change the handle, link and rotation post, the supporting seat vertically is provided with first logical groove, and it has first ball group to lead to the rotatable being fixed with of inside wall in first logical groove, it is equipped with two sets of solid fixed rings to rotate the fixed cover in the post outside, two sets of solid fixed ring inboards all are provided with the roll wheelset, bottom plate bottom left side and right side all are provided with the gyro wheel, still include the assembly pulley, spacing ring and stop lever group, still include two sets of first screwed pipes and two sets of first threaded rod, two sets of first threaded rod tops all are provided with the inserted block, bottom plate bottom left side, right side, front side and rear side all are provided with the draw-in groove, still include four group's second threaded rods and four group's second screwed pipes, four group's.

Description

Fourth shaft rotating device for numerical control machine tool

Technical Field

The utility model relates to a technical field of the rotatory auxiliary device of work piece group equal parts especially relates to a fourth shaft rotary device for digit control machine tool.

Background

As is known, the fourth shaft is a dividing head capable of rotating 360 degrees, the dividing head is a machine tool accessory for dividing a workpiece group into any equal parts, and the fourth shaft rotating device for the numerical control machine tool is an auxiliary device for rotating the dividing head to enable the workpiece group to rotate better in the using process of the numerical control machine tool, and is widely used in the field of equal part rotation of the workpiece group; the existing fourth shaft rotating device for the numerical control machine tool comprises a bottom plate, a side plate, a support plate, a motor, a transmission shaft and a dividing head, wherein the bottom end of the side plate is arranged on the right side of the top end of the bottom plate; when the existing fourth-axis rotating device for the numerical control machine tool is used, the fourth-axis rotating device is integrally installed on the numerical control machine tool, a workpiece group is fixed at the output end of a dividing head, a motor is driven to enable the workpiece group to accurately rotate, the dividing head is a common device, the motor is a common electric device in the market, a stable power-off self-locking mechanism and an angle accurate adjusting mechanism are arranged when the fourth-axis rotating device is bought back, the fourth-axis rotating device can be used only by being electrically connected according to a purchased instruction book when the fourth-axis rotating device is bought back, and connecting wires can be used as long as the reasonable wiring of work can be carried out; the fourth shaft rotating device for the existing numerical control machine tool is discovered in use, and cannot conveniently rotate transversely according to the installation and use requirements when the fourth shaft rotating device is installed integrally, so that the practicability is poor, and the use limitation is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can conveniently carry out the transverse rotation according to installation use needs when its integral erection to improve its practicality, reduce the fourth shaft rotary device for digit control machine tool who uses the limitation.

The utility model discloses a fourth shaft rotating device for a numerical control machine tool, which comprises a bottom plate, a side plate, an extension plate, a motor, a transmission shaft and a dividing head, wherein the extension plate is arranged at the top end of the side plate, the motor is arranged at the top end of the extension plate, and the left end and the right end of the transmission are respectively connected with the right input end of the dividing head and the left output end of the motor; the rotary support comprises a support seat, a rotary handle, a connecting frame and a rotary column, wherein the rotary handle is rotatably fixed at the bottom end of the connecting frame, the bottom end of the rotary column is connected with the top end of the connecting frame, the support seat is longitudinally provided with a first through groove, a first ball group is rotatably fixed on the inner side wall of the first through groove, the top end of the rotary column penetrates through the first ball group and extends to the upper part of the support seat to be connected with the center of the bottom end of a bottom plate, the outer side of the rotary column is fixedly sleeved with two groups of fixing rings, rolling wheel groups are respectively arranged on the inner sides of the two groups of fixing rings, the two groups of rolling wheel groups are respectively in close contact with the two sides of the top end of the support seat, rollers are respectively arranged on the left side and the right side of the bottom end of the bottom plate, the bottom ends of the, one end of the pulley block is connected with the inner side of the limiting ring, the other end of the pulley block is in close contact with the outer side of the rotating column, the pulley block further comprises two groups of first threaded pipes and two groups of first threaded rods, the bottoms of the two groups of first threaded pipes are respectively arranged at the left side and the right side of the top end of the supporting seat, the bottoms of the two groups of first threaded rods are respectively inserted into and screwed into the tops of the two groups of first threaded pipes, the tops of the two groups of first threaded rods are respectively provided with an insert block, the left side, the right side, the front side and the rear side of the bottom end of the bottom plate are respectively provided with a clamping groove, the tops of the two groups of insert blocks are respectively inserted into the clamping grooves at the left side and the right side or the clamping grooves at the front side and the rear side, the tops of the four groups of second threaded rods are respectively arranged at the left front side, the bottom ends of the four groups of second threaded pipes are connected with weighting blocks, and the bottom ends of the four groups of weighting blocks are connected with anti-skid pads.

Preferably, still including fixed case, the fixed block, filter the sack, holding ring and transmission pipe, the regional through-hole that is provided with of fixed block central authorities, filter the sack and get a mouthful department and hold ring rear side wall intercommunication, the holding ring spiral shell dress is on the fixed block rear side wall, the sealed intercommunication of transmission pipe output is in the fixed block front side, the sealed intercommunication has the transmission pump on the transmission pipe, be provided with fixed chamber in the fixed case, the intercommunication is provided with the installing port on the fixed case front side wall, the fixed block spiral shell dress is on the fixed case front side wall, it all is located fixed incasement to filter sack and holding ring, fixed case left and right sides and rear side all communicate and are provided with the air outlet, the fixed bottom of the case end is provided with.

Preferably, still include two sets of bracing pieces and support ring, two sets of bracing piece rear ends and front end are connected with support ring front side and fixed block rear side respectively, and two sets of bracing pieces and support ring all are located inside the filter cloth bag, and the support ring outside is provided with the rubber protective sheath, and the rubber protective sheath contacts with filter cloth bag inside wall.

Preferably, still include the handle, turning block and screw thread post, the handle is rotatable to be installed on the turning block right side, screw thread post right-hand member is connected with turning block left end center, curb plate below spiral shell suit cover is established in the screw thread post outside, still include two sets of auxiliary blocks, two sets of auxiliary blocks are installed respectively on bottom plate top middle part and right side, and two sets of inside horizontal second that all is provided with of auxiliary block lead to the groove, and all can rotate at two sets of second through-groove inside walls and be fixed with second ball group, screw thread post left end is passed and is located the second ball group on right side and insert to the second ball group that is located the middle part inside, bottom plate top left side is connected with the riser, transversely be provided with the third on the riser and lead to the groove, and be fixed with third ball group at the rotatable third ball that is fixed with of third through-groove inside wall, dividing head left side.

Preferably, still include two sets of fixed plates, two sets of lead screws and two sets of clamping pieces, two sets of fixed plates are installed respectively on the auxiliary block right side and the bottom plate right side that are located the right side, and the inner of two sets of lead screws is threaded respectively and is passed two sets of fixed plate outsides and all the spiral shell and worn out to two sets of fixed plate inboards and be connected with two sets of clamping pieces respectively, and the outer end of two sets of lead screws all is provided with the stopper, and the turning.

Preferably, the fixed cover in the screw thread post outside is equipped with the position circle, and position circle right side and turning block left side all are provided with the rotation wheelset, and the rotation wheelset that is located the right side pastes the tight contact with the auxiliary block right side or bottom plate right side that are located the right side, lie in the left rotation wheelset and paste the tight contact with the auxiliary block left side that is located the right side.

Preferably, the right half region on the top of the bottom plate is transversely provided with a sliding chute, a sliding sheet slides in the sliding chute, the side plate is arranged on the top end of the sliding sheet, and the right side of the auxiliary block on the right side and the right side of the bottom plate are longitudinally located on the same vertical plane.

Preferably, reinforcing rod sets are connected between the motor and the top end of the support plate, between the side plate and the support plate and between the transmission pump and the front side of the fixing block.

Compared with the prior art, the beneficial effects of the utility model are that: the rotating handle can be rotated manually to drive the bottom plate on the rotating column to rotate, the rotating handle can be conveniently rotated transversely according to the current installation and use requirements during integral installation, so that the practicability is improved, the use limitation is reduced, the rotating handle can rotate more easily due to the self-rotating design, the rotation of the first ball group auxiliary rotating column is more reliable and smoother, the two groups of rollers can rotate conveniently and improve the supporting effect, the two groups of rolling wheel groups enhance the smooth rotation of the rotating handle and limit the rotating column longitudinally, so that the rotating handle only rotates but not moves longitudinally, the limiting ring plays a certain limiting role in the rotation of the rotating column, the use reliability is improved, the shaking of the rotating column is reduced, the auxiliary rotation of the pulley block is more smooth and improves the supporting effect, the first threaded rod is rotated manually to adjust the rotating handle longitudinally, and the insert block is inserted into the clamping groove to limit the bottom plate conveniently, the top of two sets of inserted blocks inserts respectively inside the draw-in groove that is located the left and right sides or inserts respectively inside the draw-in groove that is located both sides around being located, make things convenient for the bottom plate to fix after ninety degrees of rotation, when whole placing surface is flat inadequately, can make its and four groups of second threaded rod cooperation length adaptation placing surface through the manual rotation four group second screwed pipes, improve the practicality, four groups of weight put the stability that wholly improves, four groups of slipmats further improve whole placing stability, meanwhile, the second screwed pipe makes solid fixed ring that is located the below and place the face between leave the interval, make solid fixed ring normal use that is located the below.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a top view of the attachment of the holding box to the holding block;

FIG. 3 is an enlarged partial view of portion A of FIG. 1;

FIG. 4 is an enlarged view of part B of FIG. 1;

in the drawings, the reference numbers: 1. a base plate; 2. a side plate; 3. a support plate; 4. a motor; 5. a drive shaft; 6. a dividing head; 7. a supporting seat; 8. turning a handle; 9. a connecting frame; 10. rotating the column; 11. a fixing ring; 12. a rolling wheel group; 13. a roller; 14. a pulley block; 15. a limiting ring; 16. a limit rod group; 17. a first threaded pipe; 18. a first threaded rod; 19. inserting a block; 20. a card slot; 21. A second threaded rod; 22. a second threaded pipe; 23. a weighting block; 24. a non-slip mat; 25. a fixed box; 26. a fixed block; 27. a filter cloth bag; 28. a positioning ring; 29. a conveying pipe; 30. a transfer pump; 31. a support bar; 32. a support ring; 33. a rubber protective sleeve; 34. a handle; 35. rotating the block; 36. a threaded post; 37. an auxiliary block; 38. a vertical plate; 39. a fixing plate; 40. a lead screw; 41. a clip; 42. a limiting block; 43. positioning rings; 44. a rotating wheel set; 45. sliding blades; 46. A stiffener group; 47. a slide bar.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the fourth shaft rotating device for a numerical control machine of the present invention comprises a bottom plate 1, a side plate 2, an extension plate 3, a motor 4, a transmission shaft 5 and a dividing head 6, wherein the extension plate 3 is installed at the top end of the side plate 2, the motor 4 is installed at the top end of the extension plate 3, and the left end and the right end of the transmission are respectively connected with the right input end of the dividing head and the left output end of the motor; the rotary support also comprises a support seat 7, a rotary handle 8, a connecting frame 9 and a rotary column 10, wherein the rotary handle 8 can be rotatably fixed at the bottom end of the connecting frame 9, the bottom end of the rotary column 10 is connected with the top end of the connecting frame 9, the support seat 7 is longitudinally provided with a first through groove, a first ball group can be rotatably fixed on the inner side wall of the first through groove, the top end of the rotary column 10 passes through the first ball group and extends to the upper part of the support seat 7 to be connected with the bottom center of the bottom plate 1, the rotary handle 8 can be manually rotated to drive the bottom plate 1 on the rotary column 10 to rotate, the whole installation can be conveniently rotated transversely according to the current installation and use requirements, so that the practicability is improved, the use limitation is reduced, the rotary handle 8 can be more labor-saving due to the design of the rotary handle, the rotary column 10 can be rotated more reliably and smoothly under the assistance of the first ball, the two sets of rolling wheel sets 12 are respectively in close contact with the top and bottom sides of the supporting seat 7, the left side and the right side of the bottom end of the bottom plate 1 are respectively provided with a roller 13, the bottom ends of the two sets of rollers 13 are in contact with the top end of the supporting seat 7, the two sets of rollers 13 are convenient to rotate and improve the supporting effect, the two sets of rolling wheel sets 12 enhance the smooth rotation of the rotating handle 8 and assist the rotating column 10 to longitudinally limit so that the rotating handle 8 only rotates but not longitudinally move, the rolling device further comprises a pulley set 14, a limiting ring 15 and a limiting rod set 16, the limiting ring 15 is rotatably sleeved outside the rotating column 10, one end of the limiting rod set 16 is connected with the limiting ring 15, the other end of the limiting rod set 16 is connected with the top end of the supporting seat 7, one end of the pulley set 14 is connected with the inner side of the limiting ring 15, the other end of the pulley set, the pulley block 14 assists in rotating more smoothly and improving the supporting effect, and further comprises two groups of first threaded pipes 17 and two groups of first threaded rods 18, wherein the bottoms of the two groups of first threaded pipes 17 are respectively installed at the left side and the right side of the top end of the supporting seat 7, the bottoms of the two groups of first threaded rods 18 are respectively inserted into and screwed into the tops of the two groups of first threaded pipes 17, the tops of the two groups of first threaded rods 18 are respectively provided with an insertion block 19, the left side, the right side, the front side and the rear side of the bottom end of the bottom plate 1 are respectively provided with a clamping groove 20, the tops of the two groups of insertion blocks 19 are respectively inserted into the clamping grooves 20 at the left side and the right side or the clamping grooves 20 at the front side and the rear side, the first threaded rods 18 are manually rotated to be longitudinally adjusted, the insertion blocks 19 are inserted into the clamping grooves 20 to limit the bottom plate 1 conveniently, the tops of, the convenient bottom plate 1 is fixed after rotating ninety degrees, the convenient bottom plate also comprises four groups of second threaded rods 21 and four groups of second threaded pipes 22, the top ends of the four groups of second threaded rods 21 are respectively arranged at the left front side, the right front side, the left rear side and the right rear side of the bottom end of the supporting seat 7, the bottom ends of the four groups of second threaded rods 21 are respectively screwed into the top ends of the four groups of second threaded pipes 22, the bottom ends of the four groups of second threaded pipes 22 are respectively connected with a weighting block 23, the bottom ends of the four groups of weighting blocks 23 are respectively connected with an anti-skid pad 24, when the whole placing surface is not flat enough, the length of the four groups of second threaded pipes 22 matched with the four groups of second threaded rods 21 can be adapted to the placing surface by manually rotating the four groups of second threaded pipes 22, the practicability is improved, the whole placing stability of the four groups of weighting blocks 23 is improved, the four groups of anti, the lower fixing ring 11 is normally used, the device further comprises a fixing box 25, a fixing block 26, a filtering cloth bag 27, a positioning ring 28 and a transmission pipe 29, a through hole is formed in the central area of the fixing block 26, a taking and placing opening of the filtering cloth bag 27 is communicated with the rear side wall of the positioning ring 28, the positioning ring 28 is screwed on the rear side wall of the fixing block 26, the output end of the transmission pipe 29 is hermetically communicated with the front side of the fixing block 26, a transmission pump 30 is hermetically communicated with the transmission pipe 29, a fixing cavity is formed in the fixing box 25, a mounting opening is communicated with the front side wall of the fixing box 25, the fixing block 26 is screwed on the front side wall of the fixing box 25, the filtering cloth bag 27 and the positioning ring 28 are both located in the fixing box 25, air outlets are communicated with the left side, the right side and the rear side of the fixing box 25, a base, the transmission pump 30 is started, the transmission pump 30 is a common electric device in the market, and when the transmission pump 30 is bought for use, the transmission pump can be used only by being electrically connected according to a bought use instruction, so that the details are not repeated, the input end of the transmission pipe 29 is aligned with the operation waste chips, the operation waste chips are guided into the filtering cloth bag 27 through the transmission pipe 29 under the action of the transmission pump 30, the air is discharged through the holes of the filtering cloth bag 27, the air outlet discharges the air, the fixing box 25 assists in relieving the entry of external dust, so that the external dust is not easily adhered to the wall of the filtering cloth bag 27, the transmission pump further comprises two groups of support rods 31 and support rings 32, the rear ends and the front ends of the two groups of support rods 31 are respectively connected with the front side of the support rings 32 and the rear side of the fixing block 26, the two groups of support rods 31 and support rings 32 are both located in the filtering cloth bag 27, it can play a certain limit role to the filtering cloth bag 27 through two groups of supporting rods 31 and supporting rings 32, and support the filtering cloth bag 27, so that the filtering cloth bag 27 is always in an extending state, meanwhile, the filtering cloth bag 27 is subjected to back blowing through three groups of air outlets through external blowing equipment, so that operation scraps adhered to the side wall of the filtering cloth bag 27 are blown down, the adhesion of the operation scraps on the inner wall of the filtering cloth bag 27 is reduced, dust fall treatment can be conveniently carried out, a rubber protective sleeve 33 reduces the abrasion of the supporting rings 32 on the inner side wall of the filtering cloth bag 27, the dust-fall-preventing device also comprises a handle 34, a rotating block 35 and a threaded column 36, the handle 34 is rotatably arranged on the right side of the rotating block 35, the right end of the threaded column 36 is connected with the center of the left end of the rotating block 35, the lower part of the side plate 2 is sleeved outside the threaded column 36 in a screw manner, and further comprises two groups of auxiliary, the inner side walls of the two groups of second through grooves can be rotatably fixed with a second ball group, the left end of the threaded column 36 passes through the second ball group on the right side and is inserted into the second ball group in the middle, the left side of the top end of the bottom plate 1 is connected with a vertical plate 38, a third through groove is transversely arranged on the vertical plate 38, a third ball group can be rotatably fixed on the inner side wall of the third through groove, the left side of the dividing head 6 is connected with a sliding rod 47, the left end of the sliding rod 47 passes through the third ball group and extends to the left side of the vertical plate 38, the sliding rod 47 can drive the threaded column 36 on the connecting frame 9 to rotate by manually rotating the handle 34, when the threaded column 36 rotates due to the threads, the side plate 2 transversely moves, the position of the dividing head 6 can be conveniently adjusted according to the environmental requirements, the adaptive capacity of the threaded column can be improved, meanwhile, the second ball group in the two groups, the design that the handle 34 can rotate enables the handle to be driven to rotate more conveniently, the sliding rod 47 improves the supporting effect of the dividing head 6, and the third ball group enables the dividing head to move smoothly relative to the sliding rod 47, the novel rotary indexing device further comprises two groups of fixing plates 39, two groups of lead screws 40 and two groups of clamping pieces 41, the two groups of fixing plates 39 are respectively arranged on the right side of the auxiliary block 37 and the right side of the bottom plate 1 on the right side, the inner ends of the two groups of lead screws 40 are respectively screwed on the outer sides of the two groups of fixing plates 39 and are respectively screwed on the inner sides of the two groups of fixing plates 39 and are respectively connected with the two groups of clamping pieces 41, the outer ends of the two groups of lead screws 40 are respectively provided with a limiting block 42, the rotating block 35 is arranged between the two groups of clamping pieces 41, when the side plate 2 needs to be transversely adjusted, two groups of lead screws 40 are manually rotated to drive two groups of clamping blocks to move inwards, so that the rotating block 35 is clamped and fixed between the two groups of clamping blocks, the auxiliary side plate 2 is fixed, the lead screws 40 are more conveniently and manually twisted to be driven to rotate through two groups of limiting blocks 42, a positioning ring 43 is fixedly sleeved outside the threaded column 36, rotating wheel sets 44 are arranged on the right side of the positioning ring 43 and the left side of the rotating block 35, the rotating wheel set 44 on the right side is closely contacted with the right side of the auxiliary block 37 on the right side or the right side of the bottom plate 1, the rotating wheel set 44 on the left side is closely contacted with the left side of the auxiliary block 37 on the right side, the threaded column 36 can be limited through two groups of rolling wheel sets 12, the threaded column 36 is not easy to move transversely and rotates more smoothly, a sliding groove is transversely arranged on the right half area of the, the right side of the auxiliary block 37 on the right side and the right side of the bottom plate 1 are longitudinally located on the same vertical surface, the sliding sheet 45 can transversely slide at the sliding groove to facilitate the rotation of the side plate 2 on the threaded column 36, the side plate is not easy to rotate along with the rotation of the threaded column 36 and only transversely moves, the right side of the auxiliary block 37 on the right side and the right side of the bottom plate 1 are located on the same vertical surface to enable the rotating wheel set 44 on the right side to rotate more smoothly, the reinforcing rod sets 46 are connected between the top ends of the motor 4 and the support plate 3, the side plate 2 and the support plate 3 and between the transmission pump 30 and the front side of the fixed block 26, and the installation stability of the motor 4, the support plate.

The utility model discloses a fourth shaft rotary device for digit control machine tool, above the mounting means of all parts, connected mode or the mode that sets up are the welding, riveting or other common mechanical mode, wherein slidable/rotate fixedly promptly for slide/not dropping under the rotation state, sealed intercommunication is sealed when two connecting pieces communicate promptly, and the concrete structure of its all parts, model and coefficient index are its from the area technique, as long as can reach all implementation of its beneficial effect, above-mentioned all with electric module and with electric appliance be the common electrical part in market, buy when using back only need connect according to the mutual electricity of the instruction manual that together buys back and can use, and control module is its common from taking the module, the event is no longer repeated here.

The fourth shaft rotating device for the numerical control machine tool of the utility model, under the condition of not being described reversely, the orientation words contained in the terms of "up-down, left-right, front-back, inside-out, vertical and horizontal" and the like only represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A fourth shaft rotating device for a numerical control machine tool comprises a bottom plate (1), a side plate (2), a support plate (3), a motor (4), a transmission shaft (5) and a dividing head (6), wherein the support plate (3) is installed at the top end of the side plate (2), the motor (4) is installed at the top end of the support plate (3), and the left end and the right end of the transmission shaft (5) are respectively connected with the right input end of the dividing head (6) and the left output end of the motor (4); it is characterized by also comprising a supporting seat (7), a rotating handle (8), a connecting frame (9) and a rotating column (10), wherein the rotating handle (8) can be rotatably fixed at the bottom end of the connecting frame (9), the bottom end of the rotating column (10) is connected with the top end of the connecting frame (9), the supporting seat (7) is longitudinally provided with a first through groove, a first ball group can be rotatably fixed on the inner side wall of the first through groove, the top end of the rotating column (10) passes through the first ball group and extends to the upper part of the supporting seat (7) to be connected with the center of the bottom end of the bottom plate (1), two fixing rings (11) are fixedly sleeved at the outer side of the rotating column (10), rolling wheel groups (12) are respectively arranged at the inner sides of the two fixing rings (11), the two rolling wheel groups (12) are respectively in close contact with the two sides of the top and the bottom of the supporting seat (7), rollers (13) are respectively arranged, the novel rotary column fixing device comprises a pulley block (14), a limiting ring (15) and a limiting rod group (16), wherein the limiting ring (15) is rotatably sleeved on the outer side of a rotary column (10), one end of the limiting rod group (16) is connected with the limiting ring (15), the other end of the limiting rod group (16) is connected with the top end of a supporting seat (7), one end of the pulley block (14) is connected with the inner side of the limiting ring (15), the other end of the pulley block (14) is tightly contacted with the outer side of the rotary column (10) in an attaching manner, the novel rotary column fixing device further comprises two groups of first threaded pipes (17) and two groups of first threaded rods (18), the bottom ends of the two groups of first threaded pipes (17) are respectively installed on the left side and the right side of the top end of the supporting seat (7), the bottom ends of the two groups of first threaded rods (18) are respectively inserted into and screwed into the top ends of the two groups of first threaded pipes (17), inserting, the top of two sets of inserted blocks (19) is inserted respectively inside draw-in groove (20) that are located the left and right sides or draw-in groove (20) that are located both sides around, still include four groups of second threaded rod (21) and four groups of second screwed pipe (22), the top of four groups of second threaded rod (21) is installed respectively in supporting seat (7) bottom left front side, right front side, left rear side and right rear side, inside four groups of second threaded rod (21) bottom spiral shell dress to four groups of second screwed pipe (22) top respectively, four groups of second screwed pipe (22) bottom all are connected with weight (23), four groups of weight (23) bottom all are connected with slipmat (24).

2. The fourth shaft rotating device for the numerical control machine tool according to claim 1, further comprising a fixing box (25), a fixing block (26), a filtering cloth bag (27), a positioning ring (28) and a transmission pipe (29), wherein a through hole is formed in a central region of the fixing block (26), a taking and placing opening of the filtering cloth bag (27) is communicated with a rear side wall of the positioning ring (28), the positioning ring (28) is screwed on the rear side wall of the fixing block (26), an output end of the transmission pipe (29) is hermetically communicated with a front side of the fixing block (26), a transmission pump (30) is hermetically communicated with the transmission pipe (29), a fixing cavity is arranged in the fixing box (25), a mounting opening is communicated with a front side wall of the fixing box (25), the fixing block (26) is screwed on the front side wall of the fixing box (25), the filtering cloth bag (27) and the positioning ring (28) are both located in the fixing box (25), air outlets are both left and right sides and the rear side, the bottom end of the fixed box (25) is provided with a base set, and the base set is arranged on the rear side of the top end of the bottom plate (1).

3. A fourth shaft rotating device for a numerical control machine according to claim 2, further comprising two sets of support rods (31) and support rings (32), wherein the rear ends and the front ends of the two sets of support rods (31) are respectively connected to the front sides of the support rings (32) and the rear sides of the fixing blocks (26), the two sets of support rods (31) and the support rings (32) are both located inside the filter cloth bag (27), a rubber protective sleeve (33) is disposed on the outer side of the support rings (32), and the rubber protective sleeve (33) is in contact with the inner side walls of the filter cloth bag (27).

4. A fourth shaft rotating device for a numerical control machine tool according to claim 3, further comprising a handle (34), a rotating block (35) and a threaded column (36), wherein the handle (34) is rotatably installed on the right side of the rotating block (35), the right end of the threaded column (36) is connected with the center of the left end of the rotating block (35), the lower portion of the side plate (2) is sleeved outside the threaded column (36) in a threaded manner, the fourth shaft rotating device further comprises two sets of auxiliary blocks (37), the two sets of auxiliary blocks (37) are respectively installed on the middle portion and the right side of the top end of the bottom plate (1), second through grooves are transversely formed in the two sets of auxiliary blocks (37), second ball sets are rotatably fixed on the inner side walls of the two sets of second through grooves, the left end of the threaded column (36) penetrates through the second ball set on the right side and is inserted into the second ball set in the middle portion, a vertical plate (38) is connected to, a third through groove is transversely formed in the vertical plate (38), a third ball group is rotatably fixed on the inner side wall of the third through groove, a sliding rod (47) is connected to the left side of the dividing head (6), and the left end of the sliding rod (47) penetrates through the third ball group and extends out of the left side of the vertical plate (38).

5. A fourth shaft rotating device for a numerical control machine according to claim 4, further comprising two sets of fixing plates (39), two sets of screws (40), and two sets of clamping pieces (41), wherein the two sets of fixing plates (39) are respectively installed on the right side of the auxiliary block (37) and the right side of the bottom plate (1), the inner ends of the two sets of screws (40) are respectively screwed to penetrate through the outer sides of the two sets of fixing plates (39), are screwed to penetrate through the inner sides of the two sets of fixing plates (39), and are respectively connected with the two sets of clamping pieces (41), the outer ends of the two sets of screws (40) are respectively provided with a limiting block (42), and the rotating block (35) is located between the two sets of.

6. A fourth shaft rotating device for a numerical control machine tool as claimed in claim 5, wherein a positioning ring (43) is fixedly sleeved outside the threaded column (36), rotating wheel sets (44) are respectively provided on the right side of the positioning ring (43) and the left side of the rotating block (35), the rotating wheel set (44) on the right side is in close contact with the right side of the auxiliary block (37) on the right side or the right side of the bottom plate (1), and the rotating wheel set (44) on the left side is in close contact with the left side of the auxiliary block (37) on the right side.

7. A fourth shaft rotating device for a numerical control machine tool according to claim 6, wherein a sliding slot is transversely formed on the right half area of the top end of the bottom plate (1), a sliding piece (45) slides on the sliding slot, the side plate (2) is installed on the top end of the sliding piece (45), and the right side of the auxiliary block (37) on the right side and the right side of the bottom plate (1) are longitudinally located on the same vertical plane.

8. A fourth shaft rotating device for a numerical control machine tool according to claim 7, wherein reinforcing rod sets (46) are connected between the motor (4) and the top end of the support plate (3), between the side plate (2) and the support plate (3), and between the transfer pump (30) and the front side of the fixed block (26).

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