CN216407645U

CN216407645U - Gapless gear rack transmission structure

Info

Publication number: CN216407645U
Application number: CN202123161351.5U
Authority: CN
Inventors: 喻海军
Original assignee: Lishui Yihao Transmission Co ltd
Current assignee: Lishui Yihao Transmission Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-04-29
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a gapless gear rack transmission structure, belonging to the technical field of machining, comprising a bearing plate, wherein the top of the bearing plate is fixedly connected with a concave frame, the top of the concave frame is in threaded connection with a screw rod, the bottom of the screw rod penetrates through the concave frame and is rotatably connected with a movable plate through a bearing, the left side and the right side of the bottom of the movable plate are both fixedly connected with vertical plates, when the gapless gear rack transmission structure is used, the device is fixedly arranged at a designated position of a machining center, then a rotating handle is rotated, the rotating handle drives the screw rod to rotate on the inner surface threads of the concave frame, meanwhile, the screw rod drives the movable plate to move, the movable plate drives the vertical plates at two sides to move, the vertical plates drive a rotating shaft to move, so that the rotating shaft drives a gear to move downwards, the operation of the gapless gear rack transmission structure is avoided, and the poor transmission effect is caused by insufficient meshing degree between the gear and a tooth plate is avoided, the stability of transmission structure has effectually been improved.

Description

Gapless gear rack transmission structure

Technical Field

The utility model relates to the technical field of machining, in particular to a gapless gear rack transmission structure.

Background

The machining process refers to a process of changing the overall dimension or performance of a workpiece through a mechanical device, and can be divided into cutting and pressure machining according to differences in machining modes, most of transmission structures of existing machining centers adopt a gear and rack transmission structure so as to drive machining devices on the machining centers to move in position, and in the meshing process of gears and racks in the prior art, due to the defect of field installation, the degree of meshing between the gears and the racks is insufficient, so that the transmission effect is poor, the service life of the gears and the racks is seriously affected, the defect of poor stability exists, and meanwhile, the machining quality of the workpiece is affected, so that the utility model provides a gapless gear and rack transmission structure to solve the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a gapless rack-and-pinion transmission structure to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

a gapless gear rack transmission structure comprises a bearing plate, wherein the top of the bearing plate is fixedly connected with a concave frame, the top of the concave frame is in threaded connection with a screw, the bottom of the screw penetrates through the concave frame and is rotatably connected with a movable plate through a bearing, the left side and the right side of the bottom of the movable plate are both fixedly connected with vertical plates, one opposite side of the two vertical plates is rotatably connected with a rotating shaft through a bearing, the outer surface of the rotating shaft is sleeved with a gear, the left side of the bottom of the movable plate is fixedly provided with a servo motor, the output end of the servo motor penetrates through the vertical plate and is fixedly connected with the connecting part of the rotating shaft, the top of the bearing plate is slidably connected with a sliding plate in the inner cavity of the concave frame, the top fixedly connected with tooth board of slide, tooth board and gear engagement, the fixedly connected with drive plate is located at the center of slide bottom, the bottom of drive plate runs through loading board and fixedly connected with mounting panel.

As a further scheme of the utility model, the left side and the right side of the top of the bearing plate are fixedly connected with sliding rails matched with the sliding plate, and the outer surfaces of the sliding rails are in sliding connection with the inner surface of the sliding plate.

As a further scheme of the present invention, a driving groove matched with the driving plate is formed at the top of the bearing plate, and the outer surface of the driving plate is slidably connected with the inner surface of the driving groove.

As a further scheme of the utility model, the left side and the right side of the inner cavity of the concave frame are both provided with slideways matched with the movable plate, and the inner surfaces of the slideways are in sliding connection with the outer surface of the movable plate.

As a further scheme of the utility model, the top of the screw is fixedly connected with a rotating handle, and the connecting part between the rotating handle and the screw is welded.

As a further scheme of the utility model, limiting plates are fixedly connected between the two slide rails at the front and back positions of the top of the bearing plate, and the joint between the limiting plate and the bearing plate is welded.

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

when the device is used, the device is fixedly arranged at a designated position of a machining center, then the rotating handle is rotated, the rotating handle drives the screw rod to rotate on the inner surface threads of the concave frame, simultaneously, the screw rod drives the movable plate to move, the movable plate drives the vertical plates at two sides to move, the vertical plates drive the rotating shaft to move, so that the rotating shaft drives the gear to move downwards, so that the gear moves to the optimal meshing position with the toothed plate, then the machining equipment is arranged at the bottom of the mounting plate, then the plug of the servo motor is electrified, so that the output end of the servo motor drives the rotating shaft to rotate, the rotating shaft drives the gear to rotate, the gear drives the toothed plate to move, the toothed plate drives the sliding plate to slide on the outer surface of the sliding rail, simultaneously, the sliding plate drives the driving plate to move, so that the mounting plate drives the machining equipment to move, and the device is simple in operation, therefore, the problem that the meshing degree between the gear and the tooth plate is insufficient, the transmission effect is poor, and the stability of the transmission structure is effectively improved is avoided.

Drawings

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

FIG. 2 is a cross-sectional view of a load bearing plate structure of the present invention;

FIG. 3 is a perspective view of the connection of the drive plate and mounting plate arrangement of the present invention;

FIG. 4 is a front view of the load bearing plate structure of the present invention.

In the figure: 1. a carrier plate; 2. a female frame; 3. a screw; 4. a movable plate; 5. a vertical plate; 6. a rotating shaft; 7. a gear; 8. a servo motor; 9. a slide plate; 10. a tooth plate; 11. a drive plate; 12. mounting a plate; 13. a slide rail; 14. a drive slot; 15. a slideway; 16. a handle is rotated; 17. and a limiting plate.

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.

Example (b):

referring to fig. 1 to 4, in the embodiment of the present invention, a gapless gear rack transmission structure comprises a supporting plate 1, a concave frame 2 is fixedly connected to the top of the supporting plate 1, a screw 3 is threadedly connected to the top of the concave frame 2, the bottom of the screw 3 penetrates through the concave frame 2 and is rotatably connected to a movable plate 4 through a bearing, vertical plates 5 are fixedly connected to the left and right sides of the bottom of the movable plate 4, a rotating shaft 6 is rotatably connected to opposite sides of the two vertical plates 5 through bearings, a gear 7 is sleeved on the outer surface of the rotating shaft 6, a servo motor 8 is fixedly installed on the left side of the bottom of the movable plate 4, an output end of the servo motor 8 penetrates through the vertical plates 5 and is fixedly connected to the connection of the rotating shaft 6, a sliding plate 9 is slidably connected to the top of the supporting plate 1 and is located in an inner cavity of the concave frame 2, a tooth plate 10 is fixedly connected to the top of the sliding plate 9, the tooth plate 10 is engaged with the gear 7, a driving plate 11 is fixedly connected to the center of the bottom of the sliding plate 9, the bottom of the driving plate 11 penetrates through the bearing plate 1 and is fixedly connected with a mounting plate 12, the left side and the right side of the top of the bearing plate 1 are fixedly connected with sliding rails 13 matched with the sliding plates 9 for use, the outer surfaces of the sliding rails 13 are connected with the inner surfaces of the sliding plates 9 in a sliding manner, the sliding plates 9 can be supported and guided by arranging the sliding rails 13, the top of the bearing plate 1 is provided with driving grooves 14 matched with the driving plate 11 for use, the outer surfaces of the driving plate 11 are connected with the inner surfaces of the driving grooves 14 in a sliding manner, the driving plate 11 can be conveniently moved and limited by arranging the driving grooves 14, the left side and the right side of the inner cavity of the concave frame 2 are provided with slideways 15 matched with the movable plate 4 for use, the inner surfaces of the slideways 15 are connected with the outer surfaces of the movable plate 4 in a sliding manner, the movable plate 4 can be guided and limited by arranging the slideways 15, the top fixedly connected with turning handle 16 of screw rod 3, the junction welding between turning handle 16 and the screw rod 3 through setting up turning handle 16, can make things convenient for screw rod 3 to rotate, and the equal fixedly connected with limiting plate 17 is located between two slide rails 13 in the front and back position at loading board 1 top, and the junction welding between limiting plate 17 and the loading board 1 can conveniently carry on spacingly to slide 9 through setting up limiting plate 17.

The principle of the embodiment is as follows:

when the device is used, the device is fixedly arranged at a designated position of a machining center, then the rotating handle 16 is rotated, the rotating handle 16 drives the screw rod 3 to rotate on the inner surface threads of the concave frame 2, meanwhile, the screw rod 3 drives the movable plate 4 to move, the movable plate 4 drives the vertical plates 5 at two sides to move, the vertical plates 5 drive the rotating shaft 6 to move, so that the rotating shaft 6 drives the gear 7 to move downwards, so that the gear 7 moves to a best meshing position with the toothed plate 10, then the machining equipment is arranged at the bottom of the mounting plate 12, then the plug of the servo motor 8 is electrified, so that the output end of the servo motor 8 drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the gear 7 to rotate, the gear 7 drives the toothed plate 10 to move, the toothed plate 10 drives the sliding plate 9 to slide on the outer surface of the sliding rail 13, meanwhile, the sliding plate 9 drives the driving plate 11 to move, and the driving plate 11 drives the mounting plate 12 to move, thereby make mounting panel 12 drive processing equipment remove, the device easy operation to avoid the meshing degree between gear 7 and the tooth dental lamina 10 not enough, lead to its transmission effect relatively poor, the effectual stability that improves transmission structure.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a zero clearance rack and pinion transmission structure, includes loading board (1), its characterized in that, the top fixedly connected with concave type frame (2) of loading board (1), the top threaded connection of concave type frame (2) has screw rod (3), the bottom of screw rod (3) runs through concave type frame (2) and is connected with fly leaf (4) through bearing rotation, the left and right sides of fly leaf (4) bottom all fixedly connected with riser (5), two one side that riser (5) are relative is connected with pivot (6) through bearing rotation, gear (7) have been cup jointed to the surface of pivot (6), the left side fixed mounting of fly leaf (4) bottom has servo motor (8), the output of servo motor (8) runs through riser (5) and with the junction fixed connection of pivot (6), the inner chamber sliding connection that the top of loading board (1) and lie in concave type frame (2) has slide (9), the top fixedly connected with tooth board (10) of slide (9), tooth board (10) and gear (7) meshing, fixedly connected with drive plate (11) is located at the center of slide (9) bottom, loading board (1) and fixedly connected with mounting panel (12) are run through to the bottom of drive plate (11).

2. A gapless rack and pinion transmission structure as claimed in claim 1, wherein the left and right sides of the top of the bearing plate (1) are fixedly connected with sliding rails (13) matched with the sliding plate (9), and the outer surfaces of the sliding rails (13) are slidably connected with the inner surface of the sliding plate (9).

3. A gapless rack and pinion transmission as claimed in claim 1 wherein the top of the carrier plate (1) is formed with a driving slot (14) for cooperating with the driving plate (11), the outer surface of the driving plate (11) is slidably connected to the inner surface of the driving slot (14).

4. The gapless gear and rack transmission structure according to claim 1, wherein the left side and the right side of the inner cavity of the concave frame (2) are provided with slideways (15) matched with the movable plate (4) for use, and the inner surfaces of the slideways (15) are in sliding connection with the outer surface of the movable plate (4).

5. A slackless rack and pinion arrangement according to claim 1, characterized in that a handle (16) is fixedly attached to the top of the screw (3), and the joint between the handle (16) and the screw (3) is welded.

6. The gapless gear and rack transmission structure according to claim 2, wherein a position limiting plate (17) is fixedly connected between the two sliding rails (13) at the front and back of the top of the bearing plate (1), and the joint between the position limiting plate (17) and the bearing plate (1) is welded.