CN212297482U - Ball screw transmission mechanism - Google Patents

Abstract

The utility model discloses a ball lead screw drive mechanism, including bottom plate, guide rail, triangular supports frame, bearing frame, spin lead screw, bearing housing, expansion coupling sleeve, synchronizing wheel, hold-in range, round nut, thrust ball bearing, deep groove ball bearing, spacer sleeve, spin lead screw extension nut, plank, interior hexagonal cylinder screw A, interior hexagonal cylinder screw B, square rail wheel, wear-resisting track rail wheel running gear, lead screw lock nut and interior hexagonal cylinder screw C. This ball screw drive mechanism connects the hold-in range on the synchronizing wheel, and the speed reducer drives hold-in range and synchronizing wheel and rotates together, adopts taiwan's spin lead screw extension nut, and the during operation can effectively protect the lead screw wearing and tearing, and the steady advantage of second grade protection transmission has been carried out in the protection lead screw wearing and tearing that thrust ball bearing installation can be better at bearing frame both ends, easily drives the object.

Description

Ball screw transmission mechanism

Technical Field

The utility model relates to a glass machinery technical field specifically is a ball screw drive mechanism.

Background

The ball screw is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion. The ball screw consists of a screw rod, a nut and balls. The function of the ball screw is to convert the rotary motion into the linear motion, which is the further extension and development of the ball screw, the important meaning of the development is to change the bearing from the rolling motion into the sliding motion, because of the small friction resistance, the ball screw is widely applied to various industrial equipment and precise instruments, the existing ball screw comprises a screw shaft, a set of nut arranged on the screw shaft, and a plurality of reversers combined on the nut at intervals, a plurality of balls arranged in sequence are arranged between the nut and the screw shaft, however, no sealing structure is arranged between the two ends of the nut and the screw shaft, which causes the oil leakage and the entering of dust and rust, thereby causing the service performance of the product to be reduced, and bringing inconvenience to the use of users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball lead screw drive mechanism has and connects the hold-in range on the synchronizing wheel, and the speed reducer drives hold-in range and synchronizing wheel and rotates together, adopts the spin lead screw extension nut of taiwan china, and the lead screw wearing and tearing can effectively be protected to the during operation, and the steady advantage of second grade protection transmission has been carried out in the protection lead screw wearing and tearing that bearing frame both ends installation thrust ball bearing can be better, and the light advantage that drives the object can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a ball screw transmission mechanism comprises a base plate, a guide rail, triangular supports, a bearing seat, a ball screw, a bearing sleeve, an expansion coupling sleeve, a synchronizing wheel, a synchronous belt, a round nut, a thrust ball bearing, a deep groove ball bearing, a spacer bush, a ball screw extension nut, a wood board, an inner hexagonal cylindrical screw A, an inner hexagonal cylindrical screw B, a square rail wheel, a wear-resistant track rail wheel traveling mechanism, a screw locking nut and an inner hexagonal cylindrical screw C, wherein the front end of the surface of the base plate fixes the guide rail through the inner hexagonal cylindrical screw B, the guide rail is connected with the bearing seat, the triangular supports are fixed on the guide rail at two sides of the bearing seat, the ball screw passes through the middle part of the bearing seat, the surface of the ball screw wraps the bearing sleeve, the expansion coupling sleeves are respectively arranged at the upper end and the lower end of the front end of the bearing sleeve, the synchronizing wheel is arranged outside the expansion coupling, inside deep groove ball bearing that sets up of bearing frame and the upper and lower both sides of bearing housing are fixed, bearing frame one end installation spacer, thrust ball bearing is fixed to spacer one end, thrust ball bearing one side is through spin lead screw extension nut meshing in the upper end of bearing housing, the lower extreme of bearing housing passes through hexagon socket head cap screw A meshing plank, the spin lead screw runs through wear-resisting rail wheel running gear, the fixed square rail of bottom plate surface rear end through hexagon socket head cap screw C, installation square rail wheel on the square rail, square rail wheel upper end is connected with the spin lead screw that passes wear-resisting rail wheel running gear, wear-resisting rail wheel running gear passes through the spin lead screw meshing of the dead nut of lead screw lock and extension.

Preferably, one end of the square rail wheel is movably connected to the groove of the square rail, and the other end of the square rail wheel is movably connected to the rolling ball screw rod.

Preferably, the deep groove ball bearing is fixed on the upper and lower parts of the bearing sleeve and connected with the bearing seat.

Preferably, the rolling ball screw rod penetrates through the bearing seat and the wear-resistant track wheel travelling mechanism.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this ball screw drive mechanism connects the hold-in range on the synchronizing wheel, and the speed reducer drives hold-in range and synchronizing wheel and rotates together, adopts taiwan's spin lead screw extension nut, and the during operation can effectively protect the lead screw wearing and tearing, and the steady advantage of second grade protection transmission has been carried out in the protection lead screw wearing and tearing that thrust ball bearing installation can be better at bearing frame both ends, easily drives the object.

Drawings

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

fig. 2 is a schematic structural view of the bearing fixing device of the present invention;

fig. 3 is a schematic view of the structure of the transmission track of the present invention.

In the figure: 1. a base plate; 2. a guide rail; 3. a triangular support frame; 4. a bearing seat; 5. a ball screw; 6. a bearing housing; 7. An expansion coupling sleeve; 8. a synchronizing wheel; 9. a synchronous belt; 10. a round nut; 11. a thrust ball bearing; 12. a deep groove ball bearing; 13. a spacer sleeve; 14. a ball screw rod lengthening nut; 15. a wood board; 16. a hexagon socket head cap screw A; 17. a socket head cap screw B; 18. a square rail; 19. a square rail wheel; 20. a wear-resistant rail wheel traveling mechanism; 21. the screw rod locks the nut; 22. and (4) inner hexagonal cylindrical screws C.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a ball screw transmission mechanism comprises a base plate 1, a guide rail 2, a triangular support frame 3, a bearing seat 4, a ball screw 5, a bearing bush 6, an expansion coupling sleeve 7, a synchronizing wheel 8, a synchronous belt 9, a round nut 10, a thrust ball bearing 11, a deep groove ball bearing 12, a spacer sleeve 13, a ball screw extension nut 14, a wood board 15, an inner hexagonal cylindrical screw a16, an inner hexagonal cylindrical screw B17, a square rail 18, a square rail wheel 19, a wear-resistant rail wheel traveling mechanism 20, a screw locking nut 21 and an inner hexagonal cylindrical screw C22, wherein the front end of the surface of the base plate 1 is fixed with the guide rail 2 through the inner hexagonal cylindrical screw B17, the bearing seat 4 is connected to the shaft 2, the triangular support frame 3 is fixed on the guide rail 2 on two sides of the bearing seat 4, the middle part of the bearing seat 4 passes through the ball 5, the surface of the ball screw 5 wraps the bearing bush 6, the expansion, the external of the expansion coupling sleeve 7 is provided with a synchronizing wheel 8, the synchronizing wheel 8 is connected with a synchronizing belt 9, a speed reducer drives the synchronizing belt 9 and the synchronizing wheel 8 to rotate together, one side of the synchronizing wheel 8 is fixed with a round nut 10, one side of the round nut 10 is connected with a thrust ball bearing 11, a deep groove ball bearing 12 is arranged in a bearing seat 4 and is fixed with the upper side and the lower side of the bearing seat 6, the deep groove ball bearing 12 is fixed on the upper part and the lower part of the bearing seat 6 and is connected with the bearing seat 4, so that the whole structure is more firmly fixed, one end of the bearing seat 4 is provided with a spacer 13, one end of the spacer 13 is fixed with the thrust ball bearing 11, the two ends of the bearing seat 4 are provided with the thrust ball bearing 11, the wear of a screw rod can be better protected, the advantage of stable secondary protection transmission is realized, when the abrasion-proof guide screw device works, the abrasion of a guide screw can be effectively protected, the synchronizing wheel 8 rotates under the condition that the structure of the expansion coupling sleeve 7 is locked to drive the transmission of the ball guide screw lengthening nut 14, the ball guide screw 5 is locked by the ball guide screw lengthening nut 14 and cannot rotate, the motion of the square rail wheel 19 on the square rail 18 is realized, the lower end of the bearing sleeve 6 is meshed with the wood plate 15 through the hexagon socket head cap screw A16, the ball guide screw 5 penetrates through the abrasion-proof guide rail wheel traveling mechanism 20, the rear end of the surface of the bottom plate 1 fixes the square rail 18 through the hexagon socket head cap screw C22, the square rail wheel 19 is installed on the square rail 18, the upper end of the square rail wheel 19 is connected with the ball guide screw 5 penetrating through the abrasion-proof guide rail wheel traveling mechanism 20, one end of the square rail wheel 19 is movably connected on a groove of the square rail 18, the other end of the square rail wheel is movably connected on the ball 5, the square, the ball screw 5 penetrates through the bearing seat 4 and the wear-resistant track wheel travelling mechanism 20, and the whole moving track is on the ball screw 5.

To sum up, this ball lead screw drive mechanism connects hold-in range 9 on the synchronizing wheel 8, and the speed reducer drives hold-in range 9 and synchronizing wheel 8 and rotates together, adopts taiwan's spin lead screw extension nut 14, and the lead screw wearing and tearing can effectively be protected to the during operation, and the steady advantage of second grade protection transmission has been carried out in the protection lead screw wearing and tearing that 4 both ends installation thrust ball bearing 11 of bearing frame can be better, easily drives the object.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (4)

1. The utility model provides a ball screw drive mechanism, including bottom plate (1), guide rail (2), triangular supports frame (3), bearing frame (4), spin lead screw (5), bearing housing (6), expansion coupling sleeve (7), synchronizing wheel (8), hold-in range (9), round nut (10), thrust ball bearing (11), deep groove ball bearing (12), spacer (13), spin lead screw extension nut (14), plank (15), interior hexagonal cylinder screw A (16), interior hexagonal cylinder screw B (17), square rail (18), square rail wheel (19), wear-resisting track wheel running gear (20), lead screw lock nut (21) and interior hexagonal cylinder screw C (22), its characterized in that: the front end of the surface of the base plate (1) is fixed with a guide rail (2) through an inner hexagonal cylindrical screw B (17), the guide rail (2) is connected with a bearing seat (4), triangular support frames (3) are fixed on two sides of the bearing seat (4) and are arranged on the guide rail (2), the middle part of the bearing seat (4) penetrates through a ball screw (5), a bearing sleeve (6) is wrapped on the surface of the ball screw (5), expansion coupling sleeves (7) are respectively arranged on the upper part and the lower part of the front end of the bearing sleeve (6), a synchronizing wheel (8) is arranged outside the expansion coupling sleeves (7), a synchronous belt (9) is connected on the synchronizing wheel (8), a round nut (10) is fixed on one side of the synchronizing wheel (8), a thrust ball bearing (11) is connected on one side of the round nut (10), a deep groove ball bearing (12) is arranged inside the bearing seat (4) and is fixed with the upper side and the lower side of, thrust ball bearing (11) one side is through spin lead screw extension nut (14) meshing in the upper end of bearing housing (6), the lower extreme of bearing housing (6) is through hexagon socket head cap screw A (16) meshing plank (15), wear-resisting rail wheel running gear (20) is run through in spin lead screw (5), bottom plate (1) surface rear end is through fixed square rail (18) of hexagon socket head cap screw C (22), installation square rail wheel (19) are gone up in square rail (18), square rail wheel (19) upper end is connected with spin lead screw (5) that pass wear-resisting rail wheel running gear (20), wear-resisting rail wheel running gear (20) are through screw rod dead lock nut (21) and the mesh of spin lead screw (5) that extend out.

2. A ball screw drive according to claim 1, wherein: one end of the square rail wheel (19) is movably connected to the groove of the square rail (18), and the other end of the square rail wheel is movably connected to the ball screw rod (5).

3. A ball screw drive according to claim 1, wherein: the deep groove ball bearing (12) is fixed at the upper part and the lower part of the bearing sleeve (6) and is connected with the bearing seat (4).

4. A ball screw drive according to claim 1, wherein: the rolling ball screw rod (5) penetrates through the bearing seat (4) and the wear-resistant track wheel walking mechanism (20).

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