CN210898777U

CN210898777U - Screw rod stepping motor

Info

Publication number: CN210898777U
Application number: CN201921201562.7U
Authority: CN
Inventors: 王伟; 伏伟
Original assignee: Shenzhen Keshuo Electric Co ltd
Current assignee: Shenzhen Keshuo Electric Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-06-30
Anticipated expiration: 2029-07-29

Abstract

The utility model relates to the technical field of linear motion accessories, in particular to a screw rod stepping motor, the whole using and transmitting position of which can be conveniently adjusted according to the current environment, thereby improving the adaptability and reducing the use limitation; the device comprises a supporting plate, a servo motor, a transmission shaft, a supporting table and two groups of sliding blocks, wherein threads are arranged on the outer side of the transmission shaft; still include the upper plate body, the lower plate body, pivot and two sets of pulleys, lower plate body top middle part is provided with rotates the groove, the pivot bottom is provided with the rotor plate, still include the first cover spring of four groups, the first flexible pipe of four groups, annular iron plate and annular magnet slabstone, annular iron plate is inside vertically to be provided with first logical groove, and it is rotatable to be fixed with first ball group at first logical inslot lateral wall, still include the regulating plate, electric telescopic handle and four groups of supporting springs, electric telescopic handle installs respectively at regulating plate bottom and upper plate body top at the bottom both ends in the top, four groups of supporting springs's bottom is all installed on upper plate body top.

Description

Screw rod stepping motor

Technical Field

The utility model relates to a linear motion auxiliary device's technical field especially relates to a lead screw step motor.

Background

As is well known, a lead screw stepping motor is an auxiliary device for converting a rotary motion into a linear motion for better subsequent work in an industrial production process, and is widely used in the field of linear motion; the existing screw rod stepping motor comprises a supporting plate, a servo motor, a transmission shaft, a supporting table and two groups of sliding blocks, wherein the servo motor is arranged on the right side of the top end of the supporting plate; when the traditional screw rod stepping motor is used, a conveying object is placed at the top end of a support table, the support plate is fixed, a servo motor is started, the servo motor drives a transmission shaft to rotate, two groups of sliding blocks move transversely under the matching of threads, and then the conveying object can be conveyed in a transverse moving mode; the existing screw rod stepping motor is found in use, the whole use transmission position is fixed, and the adjustment can not be conveniently carried out according to the current environment, so that the adaptability is poor, and the use limitation is high.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides an its wholly uses the transfer position can conveniently adjust according to environment now to improve its adaptability, reduce the lead screw step motor who uses the limitation.

The utility model discloses a lead screw stepping motor, including backup pad, servo motor, transmission shaft, brace table and two sets of sliders, servo motor installs on backup pad top right side, and the transmission shaft is installed in servo motor left side output, and the transmission shaft outside is provided with the screw thread, and two sets of sliders are all spiral shell dress in the transmission shaft outside, and the top of two sets of sliders is installed respectively in the left and right sides of brace table bottom; the device also comprises an upper plate body, a lower plate body, a rotating shaft and two groups of pulleys, wherein the middle part of the top end of the lower plate body is provided with a rotating groove, the bottom end of the rotating shaft is provided with a rotating sheet, the rotating sheet is positioned in the rotating groove and can rotate relative to the rotating groove, the top ends of the two groups of pulleys are respectively connected with the left side and the right side of the bottom end of the upper plate body, the bottom ends of the two groups of pulleys are respectively contacted with the top end of the lower plate body, the device also comprises four groups of first sleeve springs, four groups of first telescopic pipes, an annular iron plate and an annular iron-absorbing stone plate, the annular iron-absorbing stone plate is arranged at the bottom end of the upper plate body, the top end of the rotating shaft is connected with the bottom end of the annular iron-absorbing stone plate, the top ends of the four groups of first sleeve springs and the four groups of first telescopic pipes are respectively arranged at the left front side, the right, annular iron plate and annular magnet slabstone adsorb each other, the inside first logical groove that vertically is provided with of annular iron plate, and it has first ball group to lead to the rotatable being fixed with of inside wall in first groove, first ball group is passed and stretch out to annular iron plate top in the pivot top, still include the regulating plate, electric telescopic handle and four group assist supporting spring, install respectively at regulating plate bottom and last plate body top at electric telescopic handle top bottom both ends, four group assist supporting spring's top is installed respectively in regulating plate bottom left front side, right front side, left rear side and right rear side, four group assist supporting spring's bottom is all installed on last plate body top.

The utility model discloses a lead screw step motor, still include two sets of stationary blades, two sets of second cover springs and two sets of splint, two sets of stationary blades are installed respectively in a supporting bench top left and right sides, the inside and outside both ends of two sets of second cover springs are connected with two sets of splint outsides and two sets of stationary blades inboard respectively, still include two sets of pull rods and two sets of arm-tie, transversely all be provided with the second on two sets of stationary blades and lead to the groove, two sets of second through groove inside walls all can rotate and be fixed with second ball group, two sets of pull rod outer ends are connected with two sets of arm-tie respectively, two sets of pull rod inner passes two sets of second ball group respectively and all stretches into to be connected to the inboard and two sets of splint outsides of stationary blade, two sets of second cover springs suit.

The utility model discloses a lead screw step motor still includes two sets of gag lever posts, both sides all are provided with spacing piece around two sets of sliders, transversely all be provided with the third on four sets of gag lever posts and lead to the groove, four sets of third through-slot walls all can rotate and be fixed with third ball group, two sets of gag lever post right-hand members pass respectively and are located left two sets of third ball group and stretch out respectively to being located left two sets of gag lever posts right sides, two sets of gag lever post right-hand members pass respectively and are located the right side two sets of third ball group and stretch out respectively to being located the right side spacing piece right side.

The utility model discloses a lead screw step motor still includes the riser, and the riser is installed in backup pad top left side, transversely is provided with the fourth on the riser and leads to the groove to at the rotatable fourth ball group that is fixed with of fourth inslot lateral wall, the transmission shaft left end passes fourth ball group and stretches out to fourth ball group left side.

The utility model discloses a lead screw step motor, backup pad screw spiral shell dress still include two sets of connecting plates, two sets of davit and two sets of rings that play on the regulating plate top, and two sets of connecting plates are installed respectively in the backup pad left and right sides, and two sets of bottoms that play the davit are installed respectively on two sets of connecting plate tops, and two sets of rings that play are installed respectively on the top of two sets of davit, all are provided with the breach on two sets of rings that play.

The utility model discloses a lead screw step motor still includes two sets of stripper plates, two sets of third flexible pipes and two sets of third cover springs, the scalable pipe one end of two sets of third is connected with two sets of breach one end respectively, the scalable pipe other end of two sets of third is connected with two sets of stripper plates respectively, two sets of third cover spring one end is connected with two sets of breach one end respectively, two sets of third cover spring other ends are connected with two sets of stripper plates respectively, two sets of third cover spring suit is in the flexible outside of two sets of third, and two sets of stripper plates paste tightly with two sets of breach other ends respectively.

The utility model discloses a lead screw step motor, the connection piece is all installed at both ends about two sets of gag lever posts, and four group's connection pieces are installed both sides around the riser and both sides around the servo motor respectively.

The utility model discloses a lead screw step motor still is provided with anti-skidding callus on sole including lower plate body bottom.

Compared with the prior art, the beneficial effects of the utility model are that: the design that the rotating shaft 8 can be rotated by hand in cooperation with the rotating sheet 10 and can rotate relative to the rotating groove can enable the whole use angle to be conveniently rotated, the rotating shaft 8 is assisted to rotate by two groups of pulleys 9 and the supporting capacity is improved, meanwhile, the electric telescopic rod 15 drives the moving plate to longitudinally move, the whole use height can be conveniently adjusted, the whole use conveying position can be conveniently adjusted according to the current environment, the adaptability of the electric telescopic rod is improved, the use limitation is reduced, two groups of auxiliary supporting springs 16 are convenient to adjust and the supporting effect is improved, the electric telescopic rod 15 is a common electric device in the market and can be used only by being electrically connected according to the use instruction purchased from the market when the electric telescopic rod is bought for use, the connecting wires can be reasonably wired as long as the work can be carried out, so that the repeated description is omitted, the rotating shaft 8 can be conveniently limited by mutual, when the rotating shaft 8 rotates, the four groups of first sleeve springs 11 are extruded to enable the annular iron plate 12 and the annular iron absorbing stone plate 13 not to be mutually adsorbed, the rotating shaft 8 can conveniently rotate again, the four groups of first telescopic pipes assist the four groups of first sleeve springs 11 to be not easy to distort when supporting, and the first ball group assists the rotating shaft 8 to rotate smoothly.

Drawings

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

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is an enlarged partial view of portion C of FIG. 1;

in the drawings, the reference numbers: 1. a support plate; 2. a servo motor; 3. a drive shaft; 4. a support table; 5. a slider; 6. an upper plate body; 7. a lower plate body; 8. a rotating shaft; 9. a pulley; 10. a rotating sheet; 11. a first set of springs; 12. an annular iron plate; 13. an annular magnet stone plate; 14. an adjusting plate; 15. an electric telescopic rod; 16. an auxiliary supporting spring; 17. a fixing sheet; 18. a splint; 19. two groups of pull rods; 20. pulling a plate; 21. an anti-slip layer; 22. a limiting rod; 23. a limiting sheet; 24. a vertical plate; 25. a connecting plate; 26. lifting the lifting column; 27. lifting a lifting ring; 28. a pressing plate; 29. a third set of springs; 30. connecting sheets; 31. an anti-skid foot pad.

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 screw stepping motor of the present invention comprises a supporting plate 1, a servo motor 2, a transmission shaft 3, a supporting table 4 and two sets of sliders 5, wherein the servo motor 2 is installed on the right side of the top end of the supporting plate 1, the transmission shaft 3 is installed on the left output end of the servo motor 2, the outer side of the transmission shaft 3 is provided with a thread, the two sets of sliders 5 are all screwed on the outer side of the transmission shaft 3, and the top ends of the two sets of sliders 5 are respectively installed on the left side and the; the telescopic steel wire rope further comprises an upper plate body 6, a lower plate body 7, a rotating shaft 8 and two groups of pulleys 9, wherein a rotating groove is formed in the middle of the top end of the lower plate body 7, a rotating sheet 10 is arranged at the bottom end of the rotating shaft 8, the rotating sheet 10 is positioned in the rotating groove and can rotate relative to the rotating groove, the top ends of the two groups of pulleys 9 are respectively connected with the left side and the right side of the bottom end of the upper plate body 6, the bottom ends of the two groups of pulleys 9 are respectively contacted with the top end of the lower plate body 7, the telescopic steel wire rope further comprises four groups of first sleeve springs 11, four groups of first telescopic pipes, an annular iron plate 12 and an annular iron absorbing stone plate 13, the annular iron absorbing stone plate 13 is arranged at the bottom end of the upper plate body 6, the top end of the rotating shaft 8 is connected with the bottom end of the annular iron absorbing stone plate 13, the top ends of the four groups of first sleeve springs 11 and the four groups, four groups of first sleeve springs 11 are respectively sleeved on the outer sides of the four groups of first telescopic pipes, an annular iron plate 12 and an annular iron absorbing stone plate 13 are mutually adsorbed, a first through groove is longitudinally arranged in the annular iron plate 12, a first ball group is rotatably fixed on the inner side wall of the first through groove, the top end of a rotating shaft 8 penetrates through the first ball group and extends to the position above the annular iron plate 12, the telescopic pipe further comprises an adjusting plate 14, an electric telescopic rod 15 and four groups of auxiliary supporting springs 16, two ends of the top and bottom of the electric telescopic rod 15 are respectively installed at the bottom end of the adjusting plate 14 and the top end of an upper plate body 6, the top ends of the four groups of auxiliary supporting springs 16 are respectively installed at the left front side, the right front side, the left rear side and the right; the design that the rotating shaft 8 can be rotated by hand and the rotating sheet 10 can rotate relative to the rotating groove is adopted, the whole using angle can be conveniently rotated, the rotating shaft 8 is assisted to rotate by two groups of pulleys 9, the supporting capacity is improved, meanwhile, the electric telescopic rod 15 drives the moving plate to longitudinally move, the whole using height can be conveniently adjusted, the whole using and conveying position can be conveniently adjusted according to the current environment, the adaptive capacity is improved, the using limitation is reduced, two groups of auxiliary supporting springs 16 are convenient to adjust and improve the supporting effect, the electric telescopic rod 15 is a common electric device in the market and can be used only by being electrically connected according to the use instruction purchased from the market when being bought and used, the connecting wires can be reasonably wired as long as the work can be carried out, so the repeated description is omitted, the rotating shaft 8 can be conveniently limited by the mutual adsorption of the annular iron plate 12 and the annular iron, when the rotating shaft 8 rotates, the four groups of first sleeve springs 11 are extruded to enable the annular iron plate 12 and the annular iron absorbing stone plate 13 not to be mutually adsorbed, the rotating shaft 8 can conveniently rotate again, the four groups of first telescopic pipes assist the four groups of first sleeve springs 11 to be not easy to distort when supporting, and the first ball group assists the rotating shaft 8 to rotate smoothly.

The utility model discloses a screw rod stepping motor, still include two sets of stationary blades 17, two sets of second cover springs and two sets of splint 18, two sets of stationary blades 17 are installed respectively in the 4 top left and right sides of brace table, the inside and outside both ends of two sets of second cover springs are connected with two sets of splint 18 outsides and two sets of stationary blades 17 insides respectively, still include two sets of pull rods 19 and two sets of arm-tie 20, transversely all be provided with the second logical groove on two sets of stationary blades 17, two sets of second logical groove inside walls all can be rotated and fixed with the second ball group, two sets of pull rods 19 outer ends are connected with two sets of arm-tie 20 respectively, two sets of pull rods 19 inner passes two sets of second ball groups respectively and all stretches into to two sets of stationary blades 17 insides and is connected with two sets of splint 18 outsides, two sets of second cover springs are; it can be through two sets of arm-tie 20 of manual pulling, and two sets of arm-tie 20 drive two sets of splint 18 on two sets of pull rods 19 and press from both sides the dress to supplementary fixed under the elasticity of two sets of second cover springs, make its convenient fixed, and the second ball is organized supplementary pull rod 19 and is slided more smoothly and supplementary second cover spring is difficult for distortion, and the skid resistant course 21 improves and presss from both sides the dress steadiness.

The utility model discloses a lead screw stepper motor, still include two sets of gag lever post 22, both sides all are provided with spacing piece 23 around two sets of sliders 5, transversely all be provided with the third logical groove on four sets of gag lever posts 23, four sets of third logical groove inside walls all can be rotated and be fixed with the third ball group, two sets of gag lever post 22 right-hand members pass respectively and lie in left two sets of third ball group and stretch out respectively to lie in left two sets of gag lever post 23 right sides, two sets of gag lever post 22 right-hand members pass respectively and lie in right two sets of third ball group and stretch out respectively to lie in right side gag lever post 23 right side; the sliding block 5 can be limited by the limiting rod 22, so that the sliding block only moves transversely without rotating, and the third ball group assists the limiting rod 22 to rotate more smoothly.

The utility model discloses a screw rod stepping motor, still include riser 24, riser 24 is installed in the left side of 1 top of backup pad, transversely is provided with the fourth through groove on riser 24 to rotatable the being fixed with fourth ball group in fourth through groove inside wall, the transmission shaft 3 left end passes fourth ball group and stretches out to fourth ball group left side; it can be through riser 24 to the transmission shaft 3 auxiliary stay, and fourth ball group auxiliary transmission shaft 3 rotates more smoothly.

The utility model discloses a lead screw stepping motor, supporting plate 1 screw spiral dress still includes two sets of connecting plates 25, two sets of lifting posts 26 and two sets of rings 27 on the top of regulating plate 14, and two sets of connecting plates 25 are installed respectively in the supporting plate 1 left and right sides, and the bottom of two sets of lifting posts 26 is installed respectively on the top of two sets of connecting plates 25, and two sets of rings 27 are installed respectively on the top of two sets of lifting posts 26, and two sets of rings 27 are all provided with the breach; it can make things convenient for backup pad 1 to dismantle on the movable plate top through the installation of backup pad 1 screw spiral shell, dismantles the back, and two sets of rings 27 that play make things convenient for its whole installation of hoist and mount, and it is more convenient to use, and the breach on the rings 27 that plays makes things convenient for rings 27 to hang the dress in the optional position.

The utility model discloses a lead screw step motor, still include two sets of stripper plates 28, two sets of third flexible pipes and two sets of third set of springs 29, two sets of third scalable pipe one end is connected with two sets of breach one end respectively, two sets of third scalable pipe other ends are connected with two sets of stripper plates 28 respectively, two sets of third set of springs 29 one end is connected with two sets of breach one end respectively, two sets of third set of springs 29 other ends are connected with two sets of stripper plates 28 respectively, two sets of third set of springs 29 suit are in the outside of two sets of third flexible pipes, and two sets of stripper plates 28 respectively with two sets of breach other ends paste tightly; it can drive stripper plate 28 through third cover spring 29 and block up the breach, improves and uses the reliability, and the difficult extrusion deformation of supplementary third cover spring 29 of third scalable pipe reduces two sets of rings 27 and hangs the dress limitation to improve its adaptability.

In the screw rod stepping motor of the utility model, the connecting pieces 30 are respectively arranged at the left end and the right end of the two groups of limiting rods 22, and the four groups of connecting pieces 30 are respectively arranged at the front side and the rear side of the vertical plate 24 and the front side and the rear side of the servo motor 2; it can be convenient to fix two sets of gag lever posts 22 through four sets of connection pieces 30.

The utility model discloses a screw rod stepping motor, which also comprises an anti-skid foot pad 31 arranged at the bottom end of the lower plate body 7; it can strengthen the frictional force of plate body 7 bottom and installation face down through anti-skidding callus on the sole 31 to can improve holistic stability.

The utility model relates to a screw rod stepping motor, when in work, the design that the rotating shaft 8 can be rotated manually and the rotating sheet 10 can rotate relatively to the rotating groove can lead the whole using angle to be convenient to rotate, and the two groups of pulleys 9 are used for assisting the rotating shaft 8 to rotate and improving the supporting capability, meanwhile, the electric telescopic rod 15 drives the movable plate to move longitudinally, the whole using height can be conveniently adjusted, the whole using transmission position can be conveniently adjusted according to the current environment, thereby improving the adaptability and reducing the use limitation, the two groups of auxiliary supporting springs 16 are convenient to adjust and improve the supporting effect, the electric telescopic rod 15 is a common electric device in the market, when in use, the electric telescopic rod can be used only by being electrically connected according to the use instruction book purchased together, the connecting wire can be reasonably wired as long as the connecting wire can work, so the repeated description is avoided, the annular iron plate 12 and the annular iron absorption stone plate 13 are mutually adsorbed to conveniently limit the rotating shaft 8, when the rotating shaft 8 rotates, the annular iron plate 12 and the annular iron absorption stone plate 13 are not mutually adsorbed any more by extruding the four groups of first sleeve springs 11, so that the rotating shaft 8 conveniently rotates again, the four groups of first telescopic pipes assist the four groups of first sleeve springs 11 to be not easily twisted and deformed during supporting, and the first ball group assists the rotating shaft 8 to rotate more smoothly; the two groups of pulling plates 20 can be pulled manually, the two groups of pulling plates 20 drive the two groups of clamping plates 18 on the two groups of pulling rods 19 to clamp and fix the conveyed object under the elasticity of the two groups of second sleeve springs, so that the conveyed object is convenient to fix, the second ball group auxiliary pulling rods 19 slide more smoothly and assist the second sleeve springs to be not easy to distort and deform, and the anti-skid layer 21 improves the clamping stability; the sliding block 5 can be limited by the limiting rod 22, so that the sliding block only moves transversely and does not rotate, and the third ball group assists the limiting rod 22 to rotate more smoothly; the transmission shaft 3 can be supported in an auxiliary manner through the vertical plate 24, and the fourth ball group assists the transmission shaft 3 to rotate more smoothly; the lifting rings 27 can be screwed on the top end of the movable plate through screws of the support plate 1, so that the support plate 1 can be conveniently detached, after detachment, the two groups of lifting rings 27 are convenient to integrally lift and mount, the use is more convenient, and the notches on the lifting rings 27 facilitate the lifting rings 27 to be hung at any position; the third sleeve spring 29 can drive the extrusion plate 28 to block the gap, so that the use reliability is improved, the third telescopic pipe assists the third sleeve spring 29 to be not easy to extrude and deform, the hanging limitation of the two groups of hoisting rings 27 is reduced, and the adaptability of the hoisting rings is improved; two groups of limiting rods 22 can be conveniently fixed through four groups of connecting pieces 30; the friction force between the bottom of the lower plate body 7 and the mounting surface can be enhanced by the anti-slip foot pads 31, so that the overall stability can be improved.

The utility model discloses a lead screw step motor, above the mounting means of all parts, connected mode or the mode that sets up are the welding, riveting or other common mechanical system, wherein can slide/rotate fixedly promptly for slide/not dropping under the rotation state, seal the intercommunication and seal 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 the electric module and with the common electrical part in market, buy when returning to the use only need connect according to the mutual electricity of the instruction manual of buying back together and can use, and control module is its common from taking the module, so all no longer redundantly describe here.

In the case of the screw rod stepping motor of the present invention, without being described to the contrary, "up, down, left, right, front, back, inner, outer, and vertical and horizontal" and the like included in the term merely 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

1. A screw rod stepping motor comprises a supporting plate (1), a servo motor (2), a transmission shaft (3), a supporting table (4) and two groups of sliding blocks (5), wherein the servo motor (2) is installed on the right side of the top end of the supporting plate (1), the transmission shaft (3) is installed at the left output end of the servo motor (2), threads are arranged on the outer side of the transmission shaft (3), the two groups of sliding blocks (5) are all installed on the outer side of the transmission shaft (3) in a threaded mode, and the top ends of the two groups of sliding blocks (5) are installed on the left side and the; the novel iron plate is characterized by further comprising an upper plate body (6), a lower plate body (7), a rotating shaft (8) and two groups of pulleys (9), wherein a rotating groove is formed in the middle of the top end of the lower plate body (7), a rotating sheet (10) is arranged at the bottom end of the rotating shaft (8), the rotating sheet (10) is located inside the rotating groove and can rotate relative to the rotating groove, the top ends of the two groups of pulleys (9) are respectively connected with the left side and the right side of the bottom end of the upper plate body (6), the bottom ends of the two groups of pulleys (9) are respectively contacted with the top end of the lower plate body (7), the novel iron plate further comprises four groups of first sleeve springs (11), four groups of first telescopic pipes, an annular iron plate (12) and an annular iron-absorbing stone plate (13), the annular iron-absorbing stone plate (13) is arranged at the bottom end of the upper plate body (6), the top end of the rotating shaft (8) is connected with the bottom end of the annular iron-absorbing stone plate, The bottom ends of four groups of first sleeve springs (11) and four groups of first telescopic pipes are connected with the top end of a lower plate body (7), the four groups of first sleeve springs (11) are respectively sleeved on the outer sides of the four groups of first telescopic pipes, an annular iron plate (12) and an annular iron-absorbing stone plate (13) are mutually adsorbed, a first through groove is longitudinally arranged in the annular iron plate (12), a first ball group is rotatably fixed on the inner side wall of the first through groove, the top end of a rotating shaft (8) penetrates through the first ball group and extends to the upper part of the annular iron plate (12), the electric telescopic rod further comprises an adjusting plate (14), an electric telescopic rod (15) and four groups of auxiliary supporting springs (16), the two ends of the top and the bottom of the electric telescopic rod (15) are respectively installed at the bottom end of the adjusting plate (14) and the top end of an upper plate body (6), and the top ends of the four groups of the auxiliary supporting springs (16) are, The left rear side and the right rear side, the bottom of four groups of auxiliary supporting springs (16) are all installed on the top end of the upper plate body (6).

2. The screw rod stepping motor according to claim 1, further comprising two sets of fixing pieces (17), two sets of second set springs and two sets of clamping plates (18), wherein the two sets of fixing pieces (17) are respectively installed at the left and right sides of the top end of the supporting platform (4), the inner and outer ends of the two sets of second set springs are respectively connected with the outer sides of the two sets of clamping plates (18) and the inner sides of the two sets of fixing pieces (17), the screw rod stepping motor further comprises two sets of pull rods (19) and two sets of pull plates (20), second through grooves are transversely formed in the two sets of fixing pieces (17), the inner side walls of the two sets of second through grooves are rotatably fixed with the second set of balls, the outer ends of the two sets of pull rods (19) are respectively connected with the two sets of pull plates (20), the inner ends of the two sets of pull rods (19) respectively penetrate through the two sets of second set of pull rods and respectively extend into the inner sides of the two sets, the inner sides of the two groups of clamping plates (18) are provided with anti-skid layers (21).

3. The screw stepping motor according to claim 2, further comprising two sets of position limiting rods (22), wherein the two sets of sliders (5) are provided with position limiting pieces (23) on the front and rear sides thereof, the four sets of position limiting pieces (23) are provided with third through grooves in the transverse direction, the four sets of third through grooves are provided with third ball sets on the inner side walls thereof in a rotatable manner, the two sets of position limiting rods (22) respectively penetrate through the two sets of third ball sets on the left side and respectively extend to the right sides of the two sets of position limiting pieces (23) on the left side, and the two sets of position limiting rods (22) respectively penetrate through the two sets of third ball sets on the right side and respectively extend to the right sides of the position limiting pieces (23.

4. The screw rod stepping motor according to claim 3, further comprising a vertical plate (24), wherein the vertical plate (24) is installed on the left side of the top end of the support plate (1), a fourth through groove is transversely formed in the vertical plate (24), a fourth ball group is rotatably fixed on the inner side wall of the fourth through groove, and the left end of the transmission shaft (3) penetrates through the fourth ball group and extends to the left side of the fourth ball group.

5. The lead screw stepping motor according to claim 4, wherein the support plate (1) is screwed on the top end of the adjusting plate (14), and further comprises two sets of connecting plates (25), two sets of lifting columns (26) and two sets of lifting rings (27), the two sets of connecting plates (25) are respectively installed on the left side and the right side of the support plate (1), the bottom ends of the two sets of lifting columns (26) are respectively installed on the top ends of the two sets of connecting plates (25), the two sets of lifting rings (27) are respectively installed on the top ends of the two sets of lifting columns (26), and the two sets of lifting rings (27) are provided with notches.

6. The screw rod stepping motor according to claim 5, further comprising two sets of pressing plates (28), two sets of third retractable tubes and two sets of third springs (29), wherein one end of each of the two sets of third retractable tubes is connected to one end of each of the two sets of notches, the other end of each of the two sets of third retractable tubes is connected to one end of each of the two sets of pressing plates (28), one end of each of the two sets of third springs (29) is connected to one end of each of the two sets of notches, the other end of each of the two sets of third springs (29) is connected to one end of each of the two sets of pressing plates (28), the two sets of third springs (29) are sleeved outside the two sets of third retractable tubes, and the two sets of pressing plates (28) are tightly.

7. The lead screw stepping motor according to claim 6, wherein the left and right ends of the two sets of limiting rods (22) are respectively provided with a connecting piece (30), and the four sets of connecting pieces (30) are respectively arranged on the front and back sides of the vertical plate (24) and the front and back sides of the servo motor (2).

8. The lead screw stepping motor according to claim 7, further comprising an anti-slip foot pad (31) disposed at the bottom end of the lower plate body (7).