CN217029842U - Ball screw pair with guide roller structure - Google Patents
Ball screw pair with guide roller structure Download PDFInfo
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- CN217029842U CN217029842U CN202220767764.3U CN202220767764U CN217029842U CN 217029842 U CN217029842 U CN 217029842U CN 202220767764 U CN202220767764 U CN 202220767764U CN 217029842 U CN217029842 U CN 217029842U
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Abstract
The utility model relates to the technical field of screw transmission, in particular to a ball screw pair with a guide roller structure, which comprises a screw base, wherein a motor is installed at the top of the screw base, a screw is installed at the output end of the motor, a helical blade is arranged on the outer side of the screw, a helical ball groove is formed in the helical blade, a small ball is installed in the helical ball groove, a screw groove is formed in the surface of the screw base, and linear ball grooves are formed in two sides of the screw groove. This ball screw pair with guide roller structure compares with prior art and can installs little ball in helical blade's spiral ball groove, establishes its outside to screw nut again, installs the other end of screw nut to closed head again to this prevents that little ball from droing out screw nut, can reduce the friction between screw nut and the lead screw through little ball, makes the operation that screw pair is more smooth and easy, reduces the wearing and tearing of lead screw, improve equipment's life.
Description
Technical Field
The utility model relates to the technical field of screw transmission, in particular to a ball screw pair with a guide roller structure.
Background
The ball screw pair is a transmission mechanism which takes balls as rolling bodies to reduce abrasion, and compared with a sliding screw pair, the ball screw pair has the advantages of high transmission efficiency, high transmission precision and the like.
The existing ball screw pair is lack of a guide mechanism, so that the ball screw pair is easy to shake during movement, and therefore the ball screw pair with the guide roller structure is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a ball screw pair with a guide roller structure, which aims to solve the problem that the existing ball screw pair is easy to shake during movement due to the lack of a guide mechanism in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a ball screw pair with a guide roller structure comprises:
the screw seat is provided with a motor at the top, a screw is arranged at the output end of the motor, a helical blade is arranged on the outer side of the screw, a helical ball groove is formed in the helical blade, a small ball is arranged in the helical ball groove, a screw groove is formed in the surface of the screw seat, linear ball grooves are formed in two sides of the screw groove, a ball plate is arranged in the linear ball groove, a large ball is arranged in the ball plate, and a guide groove is formed in one side of the linear ball groove;
the guide block is sleeved outside the screw rod, support frames are installed on two sides of the guide block, guide wheels are installed on one sides of the support frames, installation holes are formed in the guide block, and a connecting plate is installed on one side of the guide block.
Preferably, the mounting hole is further provided with:
the screw nut is installed in the mounting hole, the oil filler point is seted up at the top of screw nut, the internally mounted of oil filler point has the choke plug, the sealing head is installed to screw nut's bottom.
Preferably, the screw nut is fixed inside the mounting hole through a bolt, and the size of the inner hole of the screw nut is matched with the size of the outer diameter of the helical blade.
Preferably, the mounting hole penetrates through the inside of the guide block, and the outer size of the lead screw nut is matched with the size of the mounting hole.
Preferably, the helical blade is fixedly connected with the screw rod, and the shape structure of the helical ball groove is matched with that of the helical blade.
Preferably, a rotating structure is formed between the guide wheel and the supporting frame, and four guide wheels and four supporting frames are arranged.
Preferably, the ball plate is fixedly connected with the linear ball groove, and the number of the ball plate and the number of the linear ball groove are two.
Compared with the prior art, the utility model provides a ball screw pair with a guide roller structure, which has the following beneficial effects: this ball screw pair with guide roller structure can be through installing little ball in helical blade's spiral ball groove, establish the cover at its outside to screw nut again, install screw nut's the other end to the closed head again to this prevents that little ball from droing out screw nut, can reduce the friction between screw nut and the lead screw through little ball, thereby makes the operation that screw pair can be more smooth and easy, reduces the wearing and tearing of lead screw with this, improve equipment's life.
1. According to the utility model, through the arranged guide block, the lead screw nut and the guide block are connected with each other, so that the guide block can be driven to move along with the lead screw nut when the lead screw nut moves, and meanwhile, the connecting plate on one side of the guide block can expand the connection type of the guide block, so that the working range of the guide block is wider;
2. according to the guide wheel, the guide wheel is arranged, the guide wheel is matched with the guide groove, so that the movement direction of the guide block can be limited, the guide block cannot shake violently in the operation process, and meanwhile, the guide wheel can reduce the abrasion between the guide block and the guide groove;
3. according to the utility model, through the arranged ball plate, the ball plate can limit the large balls in the ball plate, so that the large balls can not change the positions of the large balls when the large balls help the guide block to move, thereby improving the reliability of the large balls.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a helical blade according to the present invention;
FIG. 3 is a schematic view of a ball bearing plate structure according to the present invention
FIG. 4 is a schematic cross-sectional structural view of a lead screw nut according to the present invention;
FIG. 5 is a schematic view of the structure of the guide block of the present invention;
fig. 6 is a schematic structural view of a lead screw nut according to the present invention.
In the figure: 1. a lead screw seat; 2. a motor; 3. a lead screw; 4. a guide groove; 5. a guide block; 6. a helical blade; 7. a spiral ball groove; 8. a lead screw nut; 9. a small ball; 10. plugging the head; 11. an oil filler hole; 12. a large ball; 13. a linear ball groove; 14. a lead screw groove; 15. a ball plate; 16. a closing head; 17. mounting holes; 18. a connecting plate; 19. a guide wheel; 20. a support frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, a ball screw assembly with a guide roller structure includes: the screw seat comprises a screw seat 1, wherein a motor 2 is installed at the top of the screw seat 1, a screw 3 is installed at the output end of the motor 2, a helical blade 6 is arranged on the outer side of the screw 3, a helical ball groove 7 is formed in the helical blade 6, the helical blade 6 is fixedly connected with the screw 3, and the helical ball groove 7 is matched with the helical blade 6 in shape; the small balls 9 are arranged in the spiral ball grooves 7, the screw groove 14 is formed in the surface of the screw seat 1, the linear ball grooves 13 are formed in two sides of the screw groove 14, the ball plates 15 are arranged in the linear ball grooves 13, the large balls 12 are arranged in the ball plates 15, the guide grooves 4 are formed in one sides of the linear ball grooves 13, the ball plates 15 are fixedly connected with the linear ball grooves 13, the number of the ball plates 15 is two, the ball plates 15 can limit the large balls 12 in the ball plates 15, and therefore the large balls 12 cannot change positions when the guide blocks 5 are helped to move, and reliability of the large balls 12 is improved; guide block 5, its cover is established in the outside of lead screw 3, support frame 20 is installed to guide block 5's both sides, guide wheel 19 is installed to one side of support frame 20, mounting hole 17 has been seted up to guide block 5's inside, connecting plate 18 is installed to one side of guide block 5, constitute revolution mechanic between guide wheel 19 and the support frame 20, and guide wheel 19 all is provided with four with support frame 20, through interconnect with guide block 5, just can drive guide block 5 and remove thereupon when lead screw 3 moves, connecting plate 18 of guide block 5 one side can expand the connection type of guide block 5 simultaneously, make its operating range wider, guide wheel 19 cooperation guide way 4 can remove the direction of restriction guide block 5 motion, with this make guide block 5 can not violent rocking in the operation, the wearing and tearing between reducible guide block 5 of guide wheel 19 and the guide way 4 simultaneously.
As shown in fig. 2 to 6, a ball screw assembly with a guide roller structure includes: the screw nut 8 is installed inside the installation hole 17, the top of the screw nut 8 is provided with an oil injection hole 11, a plugging head 10 is installed inside the oil injection hole 11, the bottom of the screw nut 8 is provided with a sealing head 16, the screw nut 8 is fixed inside the installation hole 17 through a bolt, the size of an inner hole of the screw nut 8 is matched with the size of the outer diameter of the helical blade 6, the installation hole 17 penetrates through the guide block 5, the outer size of the screw nut 8 is matched with the size of the installation hole 17, small balls 9 can be installed in the helical ball grooves 7 of the helical blade 6, the screw nut 8 is sleeved outside the screw nut 8, the sealing head 16 is installed at the other end of the screw nut 8, so that the small balls 9 can not fall off the outer part of the screw nut 8, friction between the screw nut 8 and the screw 3 can be reduced through the small balls 9, and the screw pair can run more smoothly, therefore, the abrasion of the screw rod 3 is reduced, and the service life of the equipment is prolonged.
The working principle is as follows: when the ball screw pair with the guide roller structure is used, firstly, one end of a screw 3 is connected with an upper motor 2, the other end of the screw 3 is arranged in a screw groove 14 of a screw seat 1 in a penetrating way, then passes through an installation hole 17 in a guide block 5, then a small ball 9 is arranged in a spiral ball groove 7 of a spiral blade 6, then a screw nut 8 is sleeved outside the screw nut, then a sealing head 16 is arranged at the other end of the screw nut 8, the small ball 9 is prevented from falling outside the screw nut 8, and then the screw nut 8 and the guide block 5 are connected with each other; then, the motor 2 is started, the motor 2 drives the lead screw 3 to rotate, so that the lead screw nut 8 is driven to move, the guide block 5 is driven to move along with the lead screw nut, and the connecting plate 18 on one side of the guide block 5 can expand the connection type of the guide block 5; then, the guide wheel 19 on the support frame 20 can be matched with the guide groove 4 to limit the motion direction of the guide block 5 and reduce the running shake of the guide block 5, the large ball 12 can reduce the friction between the guide block 5 and the screw seat 1, and the ball plate 15 can limit the large ball 12 in the ball plate 15, so that the large ball 12 cannot be separated from the linear ball groove 13; finally, the plugging head 10 can be pulled out to add lubricating oil into the lead screw nut 8 from the oil injection hole 11, so that on one hand, the abrasion of the lead screw nut 8 can be reduced, and meanwhile, the temperature in the lead screw nut 8 can also be reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a ball screw is vice with guide roller structure which characterized in that includes:
the ball screw comprises a screw base (1), wherein a motor (2) is installed at the top of the screw base (1), a screw (3) is installed at the output end of the motor (2), a helical blade (6) is arranged on the outer side of the screw (3), a helical ball groove (7) is formed in the helical blade (6), a small ball (9) is installed in the helical ball groove (7), a screw groove (14) is formed in the surface of the screw base (1), linear ball grooves (13) are formed in two sides of the screw groove (14), a ball plate (15) is installed in the linear ball groove (13), a large ball (12) is installed in the ball plate (15), and a guide groove (4) is formed in one side of the linear ball groove (13);
guide block (5), its cover is established in the outside of lead screw (3), support frame (20) are installed to the both sides of guide block (5), guide pulley (19) are installed to one side of support frame (20), mounting hole (17) have been seted up to the inside of guide block (5), connecting plate (18) are installed to one side of guide block (5).
2. A ball screw pair with a guide roller structure according to claim 1, wherein the mounting hole (17) is further provided with:
screw nut (8), it is installed the inside of mounting hole (17), oil filler point (11) have been seted up at the top of screw nut (8), the internally mounted of oil filler point (11) has plugging head (10), sealing head (16) are installed to the bottom of screw nut (8).
3. The ball screw pair with the guide roller structure according to claim 2, wherein the screw nut (8) is fixed inside the mounting hole (17) through a bolt, and the size of the inner hole of the screw nut (8) is matched with the size of the outer diameter of the helical blade (6).
4. A ball screw assembly with guide roller arrangement according to claim 2, characterized in that the mounting hole (17) is provided through the guide block (5) and the outer dimension of the screw nut (8) is adapted to the dimensions of the mounting hole (17).
5. The ball screw pair with the guide roller structure according to claim 1, wherein the helical blade (6) is fixedly connected with the screw (3), and the helical ball groove (7) is matched with the helical blade (6) in shape structure.
6. The ball screw pair with the guide roller structure is characterized in that a rotating structure is formed between the guide wheel (19) and the support frame (20), and four guide wheels (19) and four support frames (20) are arranged.
7. The ball screw pair with the guide roller structure as claimed in claim 1, wherein the ball plate (15) is fixedly connected with the linear ball groove (13), and two ball plates (15) and two linear ball grooves (13) are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220767764.3U CN217029842U (en) | 2022-03-31 | 2022-03-31 | Ball screw pair with guide roller structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220767764.3U CN217029842U (en) | 2022-03-31 | 2022-03-31 | Ball screw pair with guide roller structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217029842U true CN217029842U (en) | 2022-07-22 |
Family
ID=82415472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220767764.3U Active CN217029842U (en) | 2022-03-31 | 2022-03-31 | Ball screw pair with guide roller structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217029842U (en) |
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2022
- 2022-03-31 CN CN202220767764.3U patent/CN217029842U/en active Active
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