CN222026229U

CN222026229U - Nut pivoted ball screw pair drive mechanism

Info

Publication number: CN222026229U
Application number: CN202420361240.3U
Authority: CN
Inventors: 孔令盈; 刘开金; 张硕
Original assignee: Qingdao Zhangshi Lituo Precision Machinery Co ltd
Current assignee: Qingdao Zhangshi Lituo Precision Machinery Co ltd
Priority date: 2024-02-27
Filing date: 2024-02-27
Publication date: 2024-11-19
Anticipated expiration: 2034-02-27

Abstract

The utility model provides a ball screw pair transmission mechanism for nut rotation, which belongs to the field of ball screws, and includes: a first support member; a second support member, a screw is fixedly arranged on one side of the second support member, and a connecting assembly is arranged between the screw and the first support member; a transmission assembly, the transmission assembly includes a nut, a support plate, a motor, a shaft, two pulleys and a belt, the screw passes through the nut and is arranged in coordination, the nut passes through the support plate and is fixedly arranged, the motor is fixedly arranged at the bottom of the support plate, and the shaft is fixedly arranged at the output end of the motor. The utility model is provided with a transmission assembly, which can drive the nut to rotate and extend the service life of the screw, and also provides a positioning assembly and a connecting assembly, which can quickly and conveniently replace the belt, is simple to operate, saves time and effort, improves work efficiency, and increases practicality.

Description

Nut pivoted ball screw pair drive mechanism

Technical Field

The utility model relates to the technical field of ball screws, in particular to a ball screw pair transmission mechanism with a nut rotating function.

Background

The ball screw pair is generally composed of devices such as nuts, screws, balls and the like, has the characteristics of high positioning precision, high transmission speed and the like, and is widely applied to industries requiring high-precision or high-efficiency transmission such as machine tools, textile machinery, packaging machinery and the like.

The ball screw pair transmission mechanism in the prior art realizes transmission mostly through screw rotation, reduces the service life of screw, and a small number drives nut rotation through the belt to carry out transmission, but because the long-term use of belt can cause wearing and tearing, reduces transmission efficiency, and the prior art is after the installation is accomplished, need dismantle the device just can take off the belt, is inconvenient for changing the belt, wastes time and energy, has reduced work efficiency.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model provides a ball screw pair transmission mechanism with a nut rotating function.

The embodiment of the utility model provides a ball screw pair transmission mechanism with a nut rotating function, which comprises the following components:

A first support; the device comprises a first supporting piece, a second supporting piece, a first connecting piece and a second connecting piece, wherein a screw is fixedly arranged on one side of the first supporting piece;

The transmission assembly comprises a nut, a supporting plate, a motor, a shaft rod, two belt pulleys and a belt, wherein the screw rod is matched with the nut, the nut is fixedly arranged through the supporting plate, the motor is fixedly arranged at the bottom of the supporting plate, the shaft rod is fixedly arranged at the output end of the motor, the nut is fixedly arranged through one of the belt pulleys, the other belt pulley is fixedly arranged through an adjusting groove, the shaft rod is slidably arranged through the adjusting groove, a positioning assembly is arranged between the shaft rod and the corresponding belt pulley, and the two belt pulleys are in belt transmission.

Further, the locating component comprises a fixed plate, a bolt and a first spring, wherein the fixed plate is fixedly arranged on a corresponding belt pulley, the bolt penetrates through the fixed plate to be arranged in a sliding mode, two ends of the first spring are respectively fixedly arranged on the fixed plate and the bolt, the bolt penetrates through the first spring to be movably arranged, a jack is arranged on the shaft rod, and the bolt stretches into the jack to be arranged in a sliding mode.

Further, coupling assembling includes bull stick, card post, second spring and spacing post, one side of first support piece is fixed to be provided with the limiting plate, the bull stick articulates and sets up on the limiting plate, the outside of bull stick is provided with the spout, the card post slides and sets up in the spout, one side of lead screw is provided with the card hole, the both ends of second spring are fixed respectively and are set up the interior bottom at the spout and the inboard of card post, the top of spout is run through and is provided with the removal groove, the spacing post runs through the removal groove and slides and set up, the fixed top that sets up at the card post of spacing post.

Further, a guide rod is fixedly arranged between the first supporting piece and the second supporting piece, and the guide rod penetrates through the supporting plate to be arranged in a sliding mode.

Further, the clamping columns are arranged in a rectangular column shape, and the clamping columns, the sliding grooves and the clamping holes are all matched.

Further, the regulating groove is internally fixedly provided with a supporting rod, and the supporting rod penetrates through the shaft rod to be arranged in a sliding mode.

Compared with the prior art, the utility model has the following beneficial effects:

1. Set up motor and belt, drive the axostylus axostyle through the motor and rotate, the axostylus axostyle can drive the nut through belt and two belt pulleys and rotate, still set up the guide bar, the guide bar runs through backup pad slip setting, plays the effect of direction to the removal of nut for the transmission of motor is more firm, has increased the practicality.

2. The belt is fixed, the belt is sleeved on the two belt pulleys, the bolt is pulled outwards, the belt pulley below is pulled outwards, the belt is tensioned, and finally the bolt is inserted into the jack, so that the belt is easy to operate and convenient to use.

3. The belt clamping device is characterized in that the belt clamping device is provided with a rotating rod and a clamping column, the clamping column is driven to one side to move towards the inner bottom of the sliding groove by the limiting column, the clamping column is driven to move towards the inner bottom of the sliding groove, the clamping column and the clamping Kong Fenli are used for extruding a second spring, the rotating rod is rotated upwards again, the belt can be taken out to be replaced at the moment, then the rotating rod is rotated to reset, and finally the limiting column is loosened, so that the clamping column is reset under the action of the second spring, and the clamping column is clamped into the clamping hole, so that connection can be completed.

In summary, the utility model has the advantages that the transmission component is arranged, the nut can be driven to rotate, the service life of the screw rod is prolonged, the positioning component and the connecting component are also arranged, the belt can be quickly and conveniently replaced, the operation is simple, the time and the labor are saved, the working efficiency is improved, and the practicability is increased.

Drawings

Fig. 1 is a perspective view of a ball screw assembly transmission mechanism with nut rotation according to an embodiment of the present utility model.

Fig. 2 is a perspective view of a ball screw assembly transmission mechanism with nut rotation according to an embodiment of the present utility model.

Fig. 3 is an enlarged view of a portion a of a ball screw pair transmission mechanism 2 for nut rotation according to an embodiment of the present utility model.

Fig. 4 is a cross-sectional view of a nut-turned ball screw assembly of an embodiment of the present utility model at a connection assembly.

In the above figures: 1 first support piece, 2 second support piece, 3 lead screw, 4 guide bars, 5 nuts, 6 backup pads, 7 motors, 8 axostylus axostyle, 9 belt pulleys, 10 belt, 11 adjustment tank, 12 bracing pieces, 13 fixed plates, 14 bolts, 15 first springs, 16 limiting plates, 17 bull stick, 18 card post, 19 second springs, 20 limiting posts.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-4, an embodiment of the present utility model provides a ball screw assembly transmission mechanism with nut rotation, including:

A first support 1; the device comprises a second support piece 2, wherein a screw rod 3 is fixedly arranged on one side of the second support piece 2, and a connecting assembly is arranged between the screw rod 3 and the first support piece 1;

the connecting assembly comprises a rotating rod 17, a clamping column 18, a second spring 19 and a limiting column 20, wherein a limiting plate 16 is fixedly arranged on one side of the first supporting piece 1, the rotating rod 17 is hinged to the limiting plate 16, the limiting plate 16 plays a limiting role on the rotating rod 17, the rotating rod 17 is prevented from rotating downwards, a sliding groove is arranged on the outer side of the rotating rod 17, the clamping column 18 is arranged in the sliding groove in a sliding manner, a clamping hole is formed in one side of the screw rod 3, the clamping column 18 is in a rectangular columnar shape, the clamping column 18 is matched with the sliding groove and the clamping hole, the clamping column 18 is arranged in a sliding manner with the inner walls of the sliding groove and the clamping hole, and the clamping column 18 can only slide in the sliding groove and the clamping hole and cannot rotate, so that stability is improved;

The two ends of the second spring 19 are respectively and fixedly arranged at the inner bottom of the chute and the inner side of the clamping column 18, so that after the clamping column 18 extrudes the second spring 19, the second spring 19 can push the clamping column 18 to reset, the top of the chute is provided with a moving groove in a penetrating way, the limiting column 20 is arranged in a sliding way in the moving groove in a penetrating way, the limiting column 20 can move back and forth in the moving groove, and the limiting column 20 is fixedly arranged at the top of the clamping column 18;

The transmission assembly comprises a nut 5, a support plate 6, a motor 7, a shaft rod 8, two belt pulleys 9 and a belt 10, wherein the screw rod 3 penetrates through the nut 5 to be matched with each other, so that the nut 5 rotates and can move on the screw rod 3, the nut 5 penetrates through the support plate 6 to be fixedly arranged, a guide rod 4 is fixedly arranged between the first support piece 1 and the second support piece 2, the guide rod 4 penetrates through the support plate 6 to be slidably arranged, and the guide rod 4 plays a role in guiding the nut 5 and the motor 7;

The motor 7 is fixedly arranged at the bottom of the supporting plate 6, the shaft lever 8 is fixedly arranged at the output end of the motor 7, the nut 5 penetrates through one belt pulley 9 to be fixedly arranged, the other belt pulley 9 is penetrated with an adjusting groove 11, the shaft lever 8 penetrates through the adjusting groove 11 to be slidingly arranged, the shaft lever 8 can slide back and forth in the adjusting groove 11, a supporting rod 12 is fixedly arranged in the adjusting groove 11, the supporting rod 12 penetrates through the shaft lever 8 to be slidingly arranged, the supporting rod 12 plays a role in supporting and guiding the shaft lever 8, so that the transmission and the movement of the shaft lever 8 are more stable, the two belt pulleys 9 are transmitted through a belt 10, and a positioning assembly is arranged between the shaft lever 8 and the corresponding belt pulley 9;

The positioning assembly comprises a fixed plate 13, a bolt 14 and a first spring 15, wherein the fixed plate 13 is fixedly arranged on a corresponding belt pulley 9, the bolt 14 penetrates through the fixed plate 13 to be arranged in a sliding mode, two ends of the first spring 15 are respectively fixedly arranged on the fixed plate 13 and the bolt 14, the bolt 14 penetrates through the first spring 15 to be movably arranged, a jack is arranged on the shaft lever 8, and the bolt 14 stretches into the jack to be arranged in a sliding mode.

The detailed working process of the utility model is as follows:

1. When replacing the belt 10, a worker pulls the bolt 14 outwards to stretch the first spring 15 so that the bolt 14 is separated from the jack, pushes the corresponding belt pulley 9 to one side, loosens the belt 10, removes the belt 10 from the two belt pulleys 9, pulls the limit post 20 to one side, drives the clamping post 18 to move towards the inner bottom of the chute, and the clamping Kong Fenli, presses the second spring 19, rotates the rotating rod 17 upwards, then takes out the belt 10 for replacement, rotates the rotating rod 17 to reset, releases the limit post 20, resets the clamping post 18 under the action of the second spring 19, and clamps the clamping post into the clamping hole;

2. Then, the belt 10 is sleeved on the two belt pulleys 9, the bolt 14 is pulled outwards, then the belt pulley 9 below is pulled to one side, the belt 10 is tensioned, and finally the bolt 14 is inserted into the jack, so that the replacement can be completed.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A ball screw pair transmission mechanism for nut rotation, characterized by comprising:

A first support member (1); a second support member (2), a lead screw (3) being fixedly arranged on one side of the second support member (2), and a connecting assembly being arranged between the lead screw (3) and the first support member (1);

A transmission assembly, the transmission assembly comprising a nut (5), a support plate (6), a motor (7), a shaft (8), two pulleys (9) and a belt (10), the lead screw (3) passing through the nut (5) and being arranged in cooperation, the nut (5) passing through the support plate (6) and being fixedly arranged, the motor (7) being fixedly arranged at the bottom of the support plate (6), the shaft (8) being fixedly arranged at the output end of the motor (7), the nut (5) passing through one of the pulleys (9) and being fixedly arranged, an adjustment groove (11) passing through the other pulley (9), the shaft (8) passing through the adjustment groove (11) and being slidably arranged, a positioning assembly being arranged between the shaft (8) and the corresponding pulley (9), and the two pulleys (9) being driven by the belt (10).

2. A ball screw pair transmission mechanism for nut rotation according to claim 1, characterized in that:

The positioning assembly comprises a fixed plate (13), a latch (14) and a first spring (15); the fixed plate (13) is fixedly arranged on the corresponding pulley (9); the latch (14) penetrates the fixed plate (13) and is slidably arranged; two ends of the first spring (15) are respectively fixedly arranged on the fixed plate (13) and the latch (14); the latch (14) penetrates the first spring (15) and is movably arranged; a socket is arranged on the shaft (8); the latch (14) extends into the socket and is slidably arranged.

3. A ball screw pair transmission mechanism for nut rotation according to claim 1, characterized in that:

The connecting assembly comprises a rotating rod (17), a clamping column (18), a second spring (19) and a limiting column (20); a limiting plate (16) is fixedly arranged on one side of the first support member (1); the rotating rod (17) is hingedly arranged on the limiting plate (16); a sliding groove is arranged on the outer side of the rotating rod (17); the clamping column (18) is slidably arranged in the sliding groove; a clamping hole is arranged on one side of the lead screw (3); two ends of the second spring (19) are respectively fixedly arranged on the inner bottom of the sliding groove and the inner side of the clamping column (18); a moving groove is penetrated through the top of the sliding groove; the limiting column (20) is slidably arranged through the moving groove; and the limiting column (20) is fixedly arranged on the top of the clamping column (18).

4. A ball screw pair transmission mechanism for nut rotation according to claim 1, characterized in that:

A guide rod (4) is fixedly arranged between the first support member (1) and the second support member (2), and the guide rod (4) penetrates the support plate (6) and is slidably arranged.

5. A ball screw pair transmission mechanism for nut rotation according to claim 3, characterized in that:

The clamping column (18) is arranged in a rectangular column shape, and the clamping column (18) is arranged in coordination with the slide groove and the clamping hole.

6. A ball screw pair transmission mechanism for nut rotation according to claim 1, characterized in that:

A support rod (12) is fixedly arranged in the adjustment groove (11), and the support rod (12) penetrates the shaft rod (8) and is slidably arranged.