CN213332260U

CN213332260U - Ball screw subassembly convenient to deposit

Info

Publication number: CN213332260U
Application number: CN202020271507.1U
Authority: CN
Inventors: 罗思欣; 罗中良; 陈绪行; 黄剑锋
Original assignee: Huizhou University
Current assignee: Huizhou University
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2021-06-01
Anticipated expiration: 2030-03-06

Abstract

The utility model provides a ball screw subassembly convenient to deposit relates to the drive assembly field. The utility model provides a ball screw subassembly convenient to deposit, includes lead screw and support, set up the screw thread on the lead screw surface, the lead screw surface just is located roll connection has the ball between the adjacent screw thread, lead screw both ends fixedly connected with link end, the one end external surface fixedly connected with fixture block of lead screw is kept away from to the link end, the spliced eye has been seted up to one side that the support is close to the lead screw, the fixed slot has been seted up to the inner wall middle part annular of spliced eye, the draw-in groove has been seted up to the inner wall of fixed slot, just the draw-in groove is linked together with the support inner wall, draw-in groove inner wall. The utility model discloses connect the axle head with the lead screw and insert the support spliced eye, the rotatory lead screw of extrusion fixed plate simultaneously, the fixture block gets into the fixed slot, through supporting spring extrusion fixed plate fixation screw and support.

Description

Ball screw subassembly convenient to deposit

Technical Field

The utility model relates to a transmission assembly technical field specifically is a ball screw subassembly convenient to deposit.

Background

The ball screw assembly is composed of a screw rod, a nut and balls, the function of the ball screw assembly is to convert rotary motion into linear motion, which is further extension and development of the ball screw, the important significance of the development is to change a bearing from rolling motion into sliding motion, and due to small friction resistance, the ball screw assembly is widely applied to various industrial equipment and precision instruments, the main function of the ball screw assembly is to convert rotary motion into linear motion or convert torque into axial reaction force, and the ball screw assembly has the characteristics of high precision, reversibility and high efficiency.

The setting up of ball screw subassembly is accurate, deposits the difficulty, appears colliding easily and rocks the damage that leads to the ball screw subassembly, and the axis deviation also can influence the abnormal wear of ball screw subassembly, influences the screw thread precision on lead screw surface, lacks the protection to the lead screw, to the not enough of current device, the utility model discloses a ball screw subassembly convenient to deposit.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a ball screw subassembly convenient to deposit to solve the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a ball screw subassembly convenient to deposit, includes lead screw and support, set up the screw thread on the lead screw surface, the lead screw surface just is located roll connection has the ball between the adjacent screw thread, lead screw both ends fixedly connected with link end, the one end external surface fixedly connected with fixture block of lead screw is kept away from to the link end, the spliced eye has been seted up to one side that the support is close to the lead screw, the fixed slot has been seted up to the inner wall middle part annular of spliced eye, the draw-in groove has been seted up to the inner wall of fixed slot, just the draw-in groove is linked together with the support inner wall, draw-in groove inner wall.

Preferably, a fixing plate is arranged in the middle of the plug-in hole (201), a supporting spring is fixedly connected to one side, far away from the end of the connecting shaft, of the fixing plate, and one end, far away from the fixing plate, of the supporting spring is fixedly connected to the inner wall of the support.

Preferably, the lead of the screw rod is 3.6 +/-0.05 mm, the outer diameter of the screw rod is 5.9mm, the inner diameter of the screw rod is 4.1mm, and the abrasion difference between the outer diameter and the inner diameter of the screw rod is 0.05 mm.

Preferably, the diameter of the ball is 1.25mm, the maximum diameter of the outer surface of the ball around the screw thread is 7.06mm, the abrasion difference is 0.1mm, and the thread form angle of the screw thread is 30 °.

Preferably, the support is arranged in a hexagon shape, and the surface of the support is provided with an anti-skid texture groove.

Preferably, the diameter of the connecting shaft end is smaller than that of the screw rod, and the central axis of the connecting shaft end coincides with that of the screw rod.

Preferably, a protrusion is arranged at the center of one end of the connecting shaft end, which is close to the support, a groove is arranged at the center of one side of the fixing plate, and the inner wall of the groove is matched with the protrusion.

The utility model provides a ball screw subassembly convenient to deposit, its beneficial effect who possesses as follows:

1. the ball screw assembly convenient to store inserts the connecting shaft ends at the two ends of the screw into the inserting hole at one side of the support by arranging the support, the connecting shaft ends, the inserting hole, the fixture block and the clamping groove, the fixture block corresponds to the direction of the clamping groove until the fixing plate in the middle of the inserting hole is extruded, the projection arranged at one end of the connecting shaft end far away from the screw is driven by rotating the screw to rotate in the groove at the top of the fixing plate during extrusion, the axial direction of the supporting spring is not easy to twist, so that the fixture block is turned into the fixing groove, the connecting shaft end of the screw is clamped with, the supporting spring is extruded to accumulate force in the inserting process, the fixing plate is extruded by the aid of the elasticity of the supporting spring, so that the clamping block is fixed inside the fixing groove, thereby fixing support and connection axle head for the lead screw breaks away from with the storage surface, and effectual lead screw surface damage has been avoided, has prolonged the life of lead screw.

2. This ball screw subassembly convenient to deposit through setting up support and connecting the axle head, at the solid fixed screw in-process, the anti-skidding processing is done to the support bottom for support bottom and contact surface frictional force increase, the effectual lead screw both ends axial that prevents takes place the displacement.

Drawings

FIG. 1 is a partial cross-sectional view of the structure of the present invention;

FIG. 2 is a side view of the support structure of the present invention;

FIG. 3 is a side sectional view of the support structure of the present invention;

FIG. 4 is a cross-sectional view of the support structure of the present invention;

fig. 5 is a cross-sectional view of the thread structure of the present invention.

In the figure: the device comprises a 1 screw rod, a 101 connecting shaft end, 102 balls, 103 clamping blocks, 104 protrusions, a 2 support, 201 inserting holes, 202 clamping grooves, 203 fixing grooves, 204 fixing plates, 205 supporting springs and 206 grooves.

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.

The embodiment of the utility model provides a ball screw assembly convenient for storage, as shown in figure 1-5, a ball screw assembly convenient for storage, which comprises a screw 1 and a support 2, the outer surface of the screw 1 is provided with screw threads, the outer surface of the screw 1 is connected with a ball 102 between adjacent screw threads in a rolling way, two ends of the screw 1 are fixedly connected with connecting shaft ends 101, the outer surface of one end of the connecting shaft end 101 far away from the screw 1 is fixedly connected with a fixture block 103, one side of the support 2 near the screw 1 is provided with an inserting hole 201, the middle part of the inner wall of the inserting hole 201 is annularly provided with a fixing groove 203, the inner wall of the fixing groove 203 is provided with a clamping groove 202, the clamping groove 202 is communicated with the inner wall of the support 2, the inner wall of the clamping groove 202 is matched with the fixture block 103, the groove width of the fixing groove 203 is, one end of the supporting spring 205 far away from the fixing plate 204 is fixedly connected to the inner wall of the support 2, the center of the end of the connecting shaft end 101 close to the support 2 is provided with a protrusion 104, the center of one side of the fixing plate 204 is provided with a groove 206, and the inner wall of the groove 206 is matched with the protrusion 104.

Lead of lead screw 1 is 3.6 +/-0.05 mm, the external diameter of lead screw 1 is 5.9mm, the internal diameter of lead screw 1 is 4.1mm, the external diameter of lead screw 1 and the wearing and tearing of internal diameter are poor and are 0.05mm, ball 102 diameter is 1.25mm, the biggest circle diameter that ball 102's surface formed around 1 screw thread department of lead screw is 7.06mm, the wearing and tearing are poor and are 0.1mm, the tooth form angle of 1 screw thread of lead screw is 30, the diameter of connecting axle end 101 is less than the diameter of lead screw 1, the axis of connecting axle end 101 coincides mutually with the axis of lead screw 1, support 2 is the hexagon setting, anti-skidding texture groove is seted up on support 2 surface.

In summary, according to the ball screw assembly convenient for storage, the support 2, the connecting shaft ends 101, the inserting holes 201, the fixture blocks 103 and the clamping grooves 202 are arranged, the connecting shaft ends 101 at the two ends of the screw rod 1 are inserted into the inserting holes 201 at one side of the support 2, the fixture blocks 103 correspond to the direction of the clamping grooves 202 until the fixing plate 204 in the middle of the inserting holes 201 is extruded, the screw rod 1 is rotated to drive the protrusions 104 arranged at one end of the connecting shaft ends 101 far away from the screw rod 1 to rotate in the grooves 206 at the top of the fixing plate 204 while being extruded, the support spring 205 is not easy to twist axially, so that the fixture blocks 103 are rotated into the fixing grooves 203, the connecting shaft ends 101 of the screw rod 1 are clamped with the support 2 and do not separate from the support, the support spring 205 extrudes the fixing plate 204 with the help of the elasticity of the support spring 205, so that, make lead screw 1 break away from with the face of depositing, the effectual lead screw 1 surface of having avoided is impaired, has prolonged lead screw 1's life, through setting up support 2 and connecting axle head 101, at the 1 in-process of fixation screw, anti-skidding processing is done to 2 bottoms of support for 2 bottoms of support and contact surface frictional force increase, the effectual 1 both ends axial of preventing lead screw takes place the displacement.

The working principle is as follows: in the using process of the device, the direction of a clamping block 103 arranged at one end of a connecting shaft end 101 far away from a screw rod 1 corresponds to the direction of a clamping groove 202 arranged on the outer wall of a socket of a support 2, the connecting shaft ends 101 at two ends of the screw rod 1 are inserted into a socket hole 201 at one end of the support 2 close to the screw rod 1 and slide to the middle of the socket hole 201 to contact and extrude a fixing plate arranged at the middle of the socket hole 201, a supporting spring 205 arranged between a fixing plate 204 and the inner wall of the support 2 is compressed, and meanwhile, a bulge 104 arranged at the top of the connecting shaft end 101 is driven to rotate in a groove 206 arranged at the top of the fixing plate 204 by rotating the connecting shaft end 101, so that the supporting spring 205 is not easy to twist axially, the clamping block 103 is turned into a fixing groove 203, the supporting spring 205 is loosened, the shaft end 101 and the support 2 are fixedly connected, the service life of the screw rod 1 is prolonged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ball screw subassembly convenient to deposit, includes lead screw (1) and support (2), its characterized in that: the outer surface of the screw rod (1) is provided with threads, the outer surface of the screw rod (1) is located between adjacent threads, balls (102) are connected in a rolling mode, connecting shaft ends (101) are fixedly connected to two ends of the screw rod (1), one end, far away from the screw rod (1), of the connecting shaft ends (101) is fixedly connected with clamping blocks (103), one side, close to the screw rod (1), of the support (2) is provided with an insertion hole (201), a fixing groove (203) is annularly formed in the middle of the inner wall of the insertion hole (201), a clamping groove (202) is formed in the inner wall of the fixing groove (203), the clamping groove (202) is communicated with the inner wall of the support (2), the inner wall of the clamping groove (202) is matched with the clamping blocks (103), and the groove.

2. A storage-ready ball screw assembly as set forth in claim 1, wherein: the middle of the plug-in hole (201) is provided with a fixing plate (204), one side of the fixing plate (204) far away from the connecting shaft end (101) is fixedly connected with a supporting spring (205), and one end of the supporting spring (205) far away from the fixing plate (204) is fixedly connected to the inner wall of the support (2).

3. A storage-ready ball screw assembly as set forth in claim 1, wherein: the lead of lead screw (1) is 3.6 +/-0.05 mm, the tamarix chinensis of lead screw (1) is 5.9mm, the internal diameter of lead screw (1) is 4.1mm, the external diameter of lead screw (1) and the wearing and tearing difference of internal diameter are 0.05 mm.

4. A storage-ready ball screw assembly as set forth in claim 3 wherein: the straight tamarix of the ball (102) is 1.25mm, the maximum round tamarix formed at the position of the thread of the lead screw (1) on the outer surface of the ball (102) is 7.06mm, the abrasion difference is 0.1mm, and the thread form angle of the thread of the lead screw (1) is 30 degrees.

5. A storage-ready ball screw assembly as set forth in claim 1, wherein: the support (2) is arranged in a hexagon shape, and the surface of the support (2) is provided with an anti-skid texture groove.

6. A storage-ready ball screw assembly as set forth in claim 1, wherein: the straight tamarisk of connecting axle head (101) is less than the straight tamarisk of lead screw (1), the axis of connecting axle head (101) coincides with the axis of lead screw (1).

7. A storage-ready ball screw assembly as set forth in claim 2, wherein: a protrusion (104) is arranged at the center of one end of the connecting shaft end (101) close to the support (2), a groove (206) is arranged at the center of one side of the fixing plate (204), and the inner wall of the groove (206) is matched with the protrusion (104).