CN218267078U - Ball screw transmission device - Google Patents

Abstract

The utility model belongs to the technical field of the ball technique and specifically relates to a ball transmission, the power distribution box comprises a box body, the inner chamber fixedly connected with fixed block of box, one side fixedly connected with cylinder of fixed block, one side fixedly connected with connecting plate of cylinder, the both sides of connecting plate are all rotated and are connected with the fixed plate, the slide opening has been seted up to one side of fixed plate. The utility model discloses possess the advantage of being convenient for to change, in the in-service use process, use through the cooperation of fixed block, cylinder, connecting plate, fixed plate, through hole, round bar, locating plate, backup pad, recess, rotatory piece, through-hole and slide opening, reach the effect of being convenient for to change, when having avoided ball to need to be changed, need staff's use tools to dismantle the change, compare in current ball, this ball adopts locking to fix, has not only increased stability, and convenient to detach maintains moreover.

Description

Ball screw transmission device

Technical Field

The utility model relates to a ball technical field specifically is a ball transmission.

Background

The ball screw is the most commonly used transmission element in tool machinery and precision machinery, and has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency.

As a vertical ball screw pair transmission that publication No. CN102927233B disclosed, this utility model's beneficial effect is: the double-face straight rack type hydraulic servo motor mainly comprises a ball screw pair screw shaft, a ball nut, a flange plate, a guide rail, a guide rod, a double-face straight rack, a first spur gear, a second spur gear and a servo motor with an electromagnetic brake; the lower end of the screw shaft of the ball screw pair is in transmission connection with the servo motor through a coupler, and the upper end of the screw shaft of the ball screw pair is connected with a ball nut; the flange plate is fixedly connected with the ball nut, and two sides of the flange plate are limited in two guide rails parallel to the screw shaft of the ball screw pair; the guide rods are multiple, one end of each guide rod is fixed on the flange plate, and the other end of each guide rod is connected with the base; the lower end of the double-sided spur rack is fixed on the base; the first spur gear and the second spur gear are arranged on two sides of the double-sided straight rack and are meshed with the double-sided straight rack simultaneously. The invention has higher transmission precision, is less influenced by temperature, can accurately control the transmission position and ensure the safety of the permanent magnet crane, but when the transmission device rotates the ball screw, the double-sided straight rack is adopted to simultaneously engage to rotate the ball screw, and the ball screw needs to be replaced after working for a period of time, so the ball screw needs to be disassembled.

Therefore, a ball screw transmission device solving the above problems is urgently required.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball screw transmission possesses the advantage of being convenient for to change, has solved the problem that above-mentioned background art provided.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a ball screw transmission device, includes the box, the inner chamber fixedly connected with fixed block of box, one side fixedly connected with cylinder of fixed block, one side fixedly connected with connecting plate of cylinder, the both sides of connecting plate are all rotated and are connected with the fixed plate, the slide opening has been seted up to one side of fixed plate, the through hole has all been seted up to the both sides of fixed plate, the equal fixedly connected with locating plate in both sides of box inner chamber, one side fixedly connected with round bar of locating plate, the inner chamber and the round bar sliding connection of through hole, two through-holes that are the symmetry setting are seted up to one side of box, one side of fixed plate extends to the outside and the fixedly connected with backup pad of through-hole, one side swing joint of box has rotatory piece, one side of rotatory piece is seted up flutedly, one side fixedly connected with ball screw body of rotatory piece, one side that ball screw body kept away from rotatory piece rotates and is connected with the deflector, one side fixedly connected with supporting shoe of deflector, one side fixedly connected with motor that the deflector was kept away from to the supporting shoe, the output and box fixed connection of motor.

Preferably, one side of connecting plate is run through and is provided with two connecting rods, the surface cover of connecting rod is equipped with the spring, the both ends of spring respectively with connecting plate and connecting rod fixed connection.

Preferably, the surface of the ball screw body is sleeved with an installation block, and one side of the installation block is fixedly connected with the guide plate.

Preferably, the surface of the motor is sleeved with a mounting seat, and the bottom of the mounting seat is fixedly connected with the supporting block.

Preferably, the support plate is shaped like an "L".

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

1. the utility model discloses possess the advantage of being convenient for change, in the in-service use process, through the fixed block, the cylinder, the connecting plate, the fixed plate, the through hole, the round bar, the locating plate, a supporting plate, a groove, rotatory piece, the cooperation of through-hole and slide opening is used, reach the effect of being convenient for change, when having avoided ball to need to change, need staff's use tools to dismantle the change, compare in current ball, this ball adopts locking to fix, stability has not only been increased, and convenient to detach maintains, and then effectively alleviateed staff's intensity of labour, make the device reach the effect of being convenient for to change, the problem that above-mentioned background art provided has been solved.

2. The utility model discloses a cooperation of connecting rod and spring is used, the effect of assisting to reset has been played to the cylinder, the life of cylinder has been prolonged, the cylinder damage has been avoided, setting through the installation piece, the effect of supporting the ball body has been played, the condition that the ball body takes place the skew when rotating has been avoided, the device's stability has been improved, setting through the mount pad has been played and has been supported fixed effect to the motor, the condition that the motor takes place the skew at the during operation has been avoided.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a partially disassembled perspective view of the present invention;

fig. 3 is a schematic perspective view of a part of the structure of the present invention.

In the figure: 1. a box body; 2. a fixed block; 3. a cylinder; 4. a connecting plate; 5. a fixing plate; 6. a through hole; 7. a round bar; 8. positioning a plate; 9. a support plate; 10. a groove; 11. rotating the block; 12. a support block; 13. a mounting base; 14. a motor; 15. a guide plate; 16. mounting a block; 17. a ball screw body; 18. a connecting rod; 19. a spring; 20. a slide hole; 21. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

As shown in figures 1 to 3: the utility model provides a ball screw transmission device, the power distribution box comprises a box body 1, the inner chamber fixedly connected with fixed block 2 of box 1, one side fixedly connected with cylinder 3 of fixed block 2, one side fixedly connected with connecting plate 4 of cylinder 3, the both sides of connecting plate 4 are all rotated and are connected with fixed plate 5, slide opening 20 has been seted up to one side of fixed plate 5, through hole 6 has all been seted up to the both sides of fixed plate 5, the equal fixedly connected with locating plate 8 in both sides of box 1 inner chamber, one side fixedly connected with round bar 7 of locating plate 8, the inner chamber and the round bar 7 sliding connection of through hole 6, two through-holes 21 that are the symmetry setting are seted up to one side of box 1, one side of fixed plate 5 extends to the outside and the fixedly connected with backup pad 9 of through-hole 21, the shape of backup pad 9 is "L" shape, one side swing joint of box 1 has rotatory piece 11, recess 10 has been seted up to one side of rotatory piece 11, one side fixedly connected with ball body 17 of rotatory piece 11, one side rotation that rotatory piece 11 was connected with deflector 15 is connected with deflector 15, one side fixedly connected with supporting shoe 12 of deflector 15, one side fixedly connected with supporting shoe 12 keeps away from one side of deflector 15, one side fixedly connected with motor 14 of deflector 12, motor 14's output and box 1 fixed connection of motor 14.

Referring to fig. 3, one side of the connecting plate 4 is provided with two connecting rods 18 in a penetrating manner, the surface of each connecting rod 18 is sleeved with a spring 19, two ends of each spring 19 are respectively fixedly connected with the connecting plate 4 and the corresponding connecting rod 18, the connecting rods 18 and the springs 19 are matched for use, the effect of assisting in resetting the air cylinder 3 is achieved, the service life of the air cylinder 3 is prolonged, and the air cylinder 3 is prevented from being damaged.

Referring to fig. 1, the surface sleeve of the ball screw body 17 is provided with the mounting block 16, one side of the mounting block 16 is fixedly connected with the guide plate 15, and the mounting block 16 is arranged to support the ball screw body 17, so that the situation that the ball screw body 17 deviates during rotation is avoided, and the stability of the device is improved.

Referring to fig. 1, the surface of the motor 14 is sleeved with the mounting seat 13, the bottom of the mounting seat 13 is fixedly connected with the supporting block 12, and the mounting seat 13 is arranged to support and fix the motor 14, so that the situation that the motor 14 deviates during operation is avoided.

The working principle is as follows: the utility model discloses during the use, the user is through starting cylinder 3, the output of cylinder 3 is extended and is driven connecting plate 4 and remove, it removes to drive fixed plate 5 when connecting plate 4 removes, it slides at the inner chamber of through hole 6 to drive round bar 7 when fixed plate 5 removes, it removes to drive backup pad 9 when fixed plate 5 removes, backup pad 9 removes in the inner chamber of recess 10, at this moment, the output shrink of cylinder 3, thereby reach the purpose that transmission is fixed to ball body 17, the user starts mount pad 13, the output of mount pad 13 drives box 1 and rotates, it rotates to drive rotatory piece 11 when box 1 is rotatory, it rotates to drive ball body 17 when rotatory piece 11 is rotatory, otherwise, the output that utilizes cylinder 3 extends once more, recycle like the cooperation of above part uses, make to change the effect of dismantling ball body 17, the stability of ball body 17 has been improved, the effect of being convenient for change has been played at last.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a ball screw transmission, includes box (1), its characterized in that: the inner cavity of the box body (1) is fixedly connected with a fixed block (2), one side of the fixed block (2) is fixedly connected with an air cylinder (3), one side of the air cylinder (3) is fixedly connected with a connecting plate (4), two sides of the connecting plate (4) are rotatably connected with a fixed plate (5), one side of the fixed plate (5) is provided with a slide hole (20), two sides of the fixed plate (5) are provided with a through hole (6), two sides of the inner cavity of the box body (1) are fixedly connected with a positioning plate (8), one side of the positioning plate (8) is fixedly connected with a round rod (7), the inner cavity of the through hole (6) is slidably connected with the round rod (7), one side of the box body (1) is provided with two through holes (21) which are symmetrically arranged, one side of the fixed plate (5) extends to the outer side of the through holes (21) and is fixedly connected with a support plate (9), one side of the box body (1) is movably connected with a rotating block (11), one side of the rotating block (11) is provided with a groove (10), one side of the rotating block (11) is fixedly connected with a ball screw body (17), one side of the rotating block (17) is far away from the rotating guide plate (15), and one side of the rotating block (15) is connected with a support block (12), one side of the supporting block (12) far away from the guide plate (15) is fixedly connected with a motor (14), and the output end of the motor (14) is fixedly connected with the box body (1).

2. A ball screw transmission according to claim 1, wherein: one side of connecting plate (4) is run through and is provided with two connecting rods (18), the surface cover of connecting rod (18) is equipped with spring (19), the both ends of spring (19) respectively with connecting plate (4) and connecting rod (18) fixed connection.

3. A ball screw transmission according to claim 1, wherein: the surface cover of ball body (17) is equipped with installation piece (16), one side and deflector (15) fixed connection of installation piece (16).

4. A ball screw transmission according to claim 1, wherein: the surface of the motor (14) is sleeved with a mounting seat (13), and the bottom of the mounting seat (13) is fixedly connected with the supporting block (12).

5. A ball screw transmission according to claim 1, wherein: the supporting plate (9) is L-shaped.

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