Rotary indexing mechanism

Abstract

The rotary indexing mechanism comprises a rack moving in the transverse direction, and teeth are arranged on the side face of the rack. The rotating shaft is arranged in the rotating base in the longitudinal direction through a bearing, the top face of the bearing is in tooth connection with the rack through a fixedly-connected gear, and the bottom face of the bearing is fixedly connected with a rotating connecting plate. A horizontally-moving rack pushes a rotating shaft to rotate, and a rotating connecting plate at the bottom of the rotating shaft is linked to rotate; and the gear is driven to rotate by a required angle by controlling the number of translation teeth of the rack, so that the requirements of different rotary indexing are met. The rotary indexing device is simple in structure, convenient to use and high in rotary indexing control precision, and has very high practicability and wide applicability.

Description

Technical Field

[0001] The invention relates to a dividing mechanism, in particular to a rotary dividing mechanism, and belongs to the technical field of machinery. Background Art

[0002] In mechanical transmission mechanisms, angular rotation indexing is often required to meet working requirements at different angular positions.

[0003] Most of the rotary indexing mechanisms in the prior art are single-scale dials or unidirectional rotations, and the rotation angle is limited to a certain range of angles. After being used for a period of time, inaccurate indexing is likely to occur.

[0004] Therefore, it is necessary to provide a device with good stability, which can realize positioning and rotation at any angle and meet the working requirements of workstations at different angles. Summary of the invention

[0005] In order to solve the deficiencies of the prior art, an object of the present invention is to provide a rotary indexing mechanism.

[0006] In order to achieve the above object, the present invention adopts the following technical solution:

[0007] A rotary indexing mechanism comprises a rack which moves laterally, wherein teeth are arranged on the side of the rack; a rotary shaft is arranged in a rotary seat longitudinally through a bearing, the top surface of the rotary shaft is connected to the rack through a fixed gear, and the bottom surface of the rotary shaft is fixed to a rotary connecting plate.

[0008] The fixed connection point between the bottom surface of the bearing and the rotating connecting plate deviates from the midpoint of the rotating connecting plate.

[0009] The other side of the rack is embedded in a slide groove on the side of the rack seat, and the inner wall of the slide groove is provided with a transparent rectangular groove. The other side of the rack placed in the slide groove is fixedly connected to a transverse driving device through a slider passing through the rectangular groove, and the transverse driving device links the rack to move transversely through the slider.

[0010] Furthermore, the lateral driving device comprises an angle positioning rod driven by the telescopic device, and the end side of the angle positioning rod is fixedly connected to the sliding block.

[0011] Furthermore, in the lateral direction, the rack or the slider is provided with a position scale relative to the rack seat, and the position scale corresponds to the rotation angle of the rotation axis.

[0012] Furthermore, the rack seat is fixedly connected to the rotating seat and is L-shaped.

[0013] The bearings and gears are eccentrically arranged.

[0014] The present invention is beneficial in that:

[0015] A rotary indexing mechanism of the present invention drives a rotary shaft to rotate through a horizontally movable rack, thereby linking a rotary connecting plate at the bottom of the rotary shaft to rotate; by controlling the number of translational teeth of the rack, the gear is driven to rotate to a desired angle, thereby meeting different rotary indexing requirements.

[0016] The rotary indexing mechanism of the present invention has a simple structure, is easy to use, has high precision in rotary indexing control, and has strong practicability and wide applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the rotary indexing mechanism.

[0018] The meanings of the marks in the accompanying drawings are as follows: 1. rack, 2. rack seat, 3. gear, 4. rotating shaft, 5. bearing, 6. rotating seat, 7. rotating connecting plate, 8. angle positioning rod, 9. telescopic device. DETAILED DESCRIPTION

[0019] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] A rotary indexing mechanism is composed of a rack 1, a rack seat 2, a rotary shaft 4, a rotary connecting plate 7 and a telescopic device 9.

[0021] In the longitudinal direction, the rotating shaft 4 is arranged in the rotating seat 6 through the bearing 5, and the top surface of the rotating shaft 4 is fixedly connected to the bottom surface of the gear 3. Preferably, the rotating shaft 4 and the gear 3 are eccentrically arranged; the bottom surface of the rotating shaft 4 is fixedly connected to the top surface of the rotating connecting plate 7.

[0022] The rack 1 is arranged horizontally, and the teeth arranged on the side of the rack 1 are engaged with the gear 3. In the horizontal direction, the rack 1 is placed in the slide groove on the side of the rack seat 2, and the inner wall of the slide groove is provided with a transparent rectangular groove. The slider fixed to the inner side of the rack 1 is fixed to the angle positioning rod 8 through the rectangular groove. Preferably, the angle positioning rod 8 is arranged parallel to the rack 1, and the end of the angle positioning rod 8 is driven by the telescopic device 9 to reciprocate in the horizontal direction.

[0023] According to the use requirements, the telescopic device 9 can be a hydraulic telescopic device.

[0024] Preferably, in the lateral direction, the rack 1 or the slider is provided with a position scale relative to the rack seat 2 , and the position scale corresponds to the rotation angle of the rotating shaft 4 .

[0025] Preferably, the rack seat 2 and the rotating seat 6 are fixedly connected as a whole to form a stable L-shaped base.

[0026] When using,

[0027] The work piece to be rotated is fixedly connected by the rotating connecting plate 7.

[0028] The opening and closing telescopic device 9 pushes the angle positioning rod 8 to move laterally, and the linked rack 1 slides along the slide groove; the laterally moving rack 1 drives the gear 3 to rotate, and the rotating connecting plate 7 and the fixed working parts at the bottom are linked to rotate through the rotating shaft 4.

[0029] The lateral movement distance of the rack 1, that is, the number of translation teeth of the rack 1, is controlled by the position scale, thereby controlling the rotation angle of the gear 3 to meet the requirements of different rotation indexing.

[0030] After using it for a period of time, the accuracy of the adjusted division can be checked by observing whether the position scale or rotation angle corresponding to one opening and closing of the telescopic device corresponds.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the above embodiments do not limit the present invention in any form, and any technical solution obtained by equivalent replacement or equivalent transformation falls within the protection scope of the present invention.

Claims

1. A rotary indexing mechanism, characterized in that: It includes a rack that moves laterally, with teeth arranged on the side of the rack; a rotating shaft is arranged in the rotating seat along the longitudinal direction through a bearing, the top surface of the rotating shaft is connected to the rack through a fixed gear, and the bottom surface of the rotating shaft is fixed to a rotating connecting plate.

2. The rotary indexing mechanism according to claim 1, characterized in that: The fixed connection point between the bottom surface of the bearing and the rotating connecting plate deviates from the midpoint of the rotating connecting plate.

3. The rotary indexing mechanism according to claim 1, characterized in that: The other side of the rack is embedded in the slide groove on the side of the rack seat, and the inner wall of the slide groove is provided with a transparent rectangular groove. The other side of the rack placed in the slide groove is fixedly connected to the transverse driving device through a slider passing through the rectangular groove, and the transverse driving device links the rack to move transversely through the slider.

4. The rotary indexing mechanism according to claim 3, characterized in that: The lateral driving device comprises an angle positioning rod driven by a telescopic device, and the end side of the angle positioning rod is fixedly connected to the sliding block.

5. The rotary indexing mechanism according to claim 3, characterized in that: In the transverse direction, the rack or the slider is provided with a position scale relative to the rack seat, and the position scale corresponds to the rotation angle of the rotation axis.

6. The rotary indexing mechanism according to claim 3, characterized in that: The rack seat is fixedly connected to the rotating seat and is L-shaped.

7. The rotary indexing mechanism according to claim 1, characterized in that: The bearing and the gear are eccentrically arranged.

Images