Cam divider precision adjusting assembly for machine tool

Abstract

The utility model discloses a cam indexer precision adjusting assembly for a machine tool, which relates to the technical field of cam indexers and comprises a box body and a moving assembly, a first cam roller is arranged in the box body, and the lower end of the first cam roller is connected with a second cam roller. The moving assembly used for precision adjustment is arranged on the side edge of the first cam roller and comprises a transposition cam, a roller bearing, a force input shaft, a mounting frame, an adjusting block and a lead screw, the roller bearing is connected to the outer portion of the end of the transposition cam, the force input shaft is connected to the end of the roller bearing, and the mounting frame is arranged on the outer side of the roller bearing. According to the cam indexer precision adjusting assembly for the machine tool, a lead screw is driven by a motor to control an adjusting block and a mounting frame to move in a vertical mode, and a transposition cam is driven to move on the side edges of a first cam roller and a second cam roller; the transposition cam is connected with the outer rolling rod of the first cam roller or the second cam roller so that the output shaft can be adjusted at different precisions.

Description

TECHNICAL FIELD

[0001] The utility model relates to cam segmenter technical field, concretely is a cam segmenter precision adjusting assembly for machine tool. BACKGROUND

[0002] In machine tool equipment, cam segmenter can be used to control the machining tool of machine tool, realizes accurate machining, cam segmenter, also known as cam indexer, intermittent segmenter in engineering. It is a kind of high-precision rotary device, under the current automation requirement, cam indexer is particularly important, when the input shaft rotates, cam roller rotates the output turret according to the given displacement curve, and at the same time, it rolls along the inclined surface of the rib. In the area where the rib and the end surface of the cam are balanced, i.e. in the static range, the roller is connected to its shaft, but the output turret itself does not rotate. The tapered support rib is usually in contact with two or three cam rollers, so that the rotation of the input shaft can be uniformly transmitted to the output shaft to drive the output shaft to rotate.

[0003] However, the internal cam roller of the existing cam segmenter precision is usually single, which is inconvenient to adjust according to the demand during use.

[0004] Therefore, in view of the above problems, the existing structure and defects are improved, and a cam segmenter precision adjusting assembly for machine tool is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a cam segmenter precision adjusting assembly for machine tool to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a cam segmenter precision adjusting assembly for machine tool, including box and moving assembly, the inside of box is provided with cam roller one, and the lower end of cam roller one is connected with cam roller two, the moving assembly for precision adjustment is arranged in the side of cam roller one, and the moving assembly includes index cam, roller bearing, input shaft, mounting frame, adjusting block and lead screw, the outside of the end of index cam is connected with roller bearing, and the end of roller bearing is connected with input shaft, the outside of roller bearing is provided with mounting frame, and the side of mounting frame is connected with adjusting block, the inside of adjusting block is vertically provided with lead screw.

[0007] Further, the cam roller one and the cam roller two are parallelly distributed, and the diameters of the cam roller one and the cam roller two are consistent.

[0008] Further, the index cam and the roller bearing are fixedly connected, and the roller bearing and the mounting frame are rotatably connected.

[0009] Further, the mounting frame and the adjusting block are fixedly connected, and the mounting frame and the lead screw are provided with two groups.

[0010] Further, the top of the cam roller one is connected with an output turret, and the upper end of the output turret is connected with an output shaft.

[0011] Further, the right side of the mounting frame is provided with a limiting sliding block, and the outer portion of the limiting sliding block is provided with a limiting groove.

[0012] Further, the limiting sliding block and the limiting groove are in sliding connection, and the limiting groove and the box body are in integrated structure.

[0013] Further, the front end of the box body is provided with an auxiliary assembly for auxiliary adjustment, and the auxiliary assembly comprises a protective cover and an auxiliary hole, and the surface of the protective cover is provided with the auxiliary hole.

[0014] The utility model provides a kind of cam divider precision adjusting assembly for machine tool, with following beneficial effects:

[0015] 1, the utility model is moved in vertical mode by motor-driven control adjusting block and mounting frame of lead screw, drives to move in the side of cam roller one and cam roller two by index cam, different precision is adjusted by the interface of index cam and cam roller one or cam roller two outer roller bar link and makes output shaft, and the driving force of roller bearing in force shaft connection is rotated in mounting frame interior, so as to not influence the rotation of index cam when mounting frame height adjusting position.

[0016] 2, the utility model is moved in limiting groove by limiting sliding block when moving with mounting frame, and limiting groove increases the stability of mounting frame movement, protective cover is cooperated with box body outside force shaft and plays the role of external protection to cam divider component, and auxiliary hole provides corresponding moving position space for force shaft. DRAWINGS

[0017] Fig. 1 It is the whole structure schematic view of the utility model a kind of cam divider precision adjusting assembly for machine tool;

[0018] Fig. 2 It is the internal structure schematic view of the utility model a kind of cam divider precision adjusting assembly for machine tool;

[0019] Fig. 3 It is the adjusting assembly structure schematic view of the utility model a kind of cam divider precision adjusting assembly for machine tool.

[0020] In the figure: 1, box; 2, cam roller one; 3, cam roller two; 4, moving assembly; 401, index cam; 402, roller bearing; 403, input shaft; 404, mounting bracket; 405, adjusting block; 406, lead screw; 5, output turret; 6, output shaft; 7, limit slider; 8, limit slot; 9, auxiliary assembly; 901, protective cover; 902, auxiliary hole. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0022] As shown in Fig. 1 and Fig. 2 , a cam divider precision adjusting assembly for machine tools, comprising a box 1 and a moving assembly 4, the inside of the box 1 is provided with a cam roller one 2, and the lower end of the cam roller one 2 is connected with a cam roller two 3, the cam roller one 2 and the cam roller two 3 are distributed in parallel, and the diameters of the cam roller one 2 and the cam roller two 3 are consistent, the outer roller of the cam roller one 2 is twice the outer roller of the cam roller two 3, the top of the cam roller one 2 is connected with an output turret 5, and the upper end of the output turret 5 is connected with an output shaft 6, a limit slider 7 is installed on the right side of the mounting bracket 404, the limit slider 7 moves directionally in the limit slot 8 when the mounting bracket 404 moves, and the outside of the limit slider 7 is provided with the limit slot 8, the limit slider 7 and the limit slot 8 are slidingly connected, the limit slot 8 increases the stability of the movement of the mounting bracket 404, and the limit slot 8 and the box 1 are an integrated structure, the front end of the box 1 is provided with an auxiliary adjusting auxiliary assembly 9, and the auxiliary assembly 9 comprises a protective cover 901 and an auxiliary hole 902, the surface of the protective cover 901 is provided with the auxiliary hole 902, the protective cover 901 cooperates with the box 1 outside the input shaft 403 to play a protective role for the cam divider parts, and the auxiliary hole 902 provides a position space for the corresponding movement of the input shaft 403.

[0023] As shown in Fig. 3As shown, the movement assembly 4 for precision adjustment is arranged at the side of the cam roller one 2, and the movement assembly 4 comprises an indexing cam 401, a roller bearing 402, an input shaft 403, a mounting frame 404, an adjustment block 405 and a lead screw 406, the outer part of the end of the indexing cam 401 is connected with the roller bearing 402, the roller bearing 402 is connected with the driving force of the input shaft 403 to rotate inside the mounting frame 404, so as not to affect the rotation of the indexing cam 401 when the height of the mounting frame 404 is adjusted, the indexing cam 401 and the roller bearing 402 are fixedly connected, and the roller bearing 402 and the mounting frame 404 are rotatably connected, the output shaft 6 is driven to adjust the precision by the connection of the roller bearing 402 and the cam roller one 2 or the cam roller two 3, the end of the roller bearing 402 is connected with the input shaft 403, the outer side of the roller bearing 402 is provided with the mounting frame 404, the mounting frame 404 and the adjustment block 405 are fixedly connected, and the mounting frame 404 is provided with two groups of the lead screw 406, the side of the mounting frame 404 is connected with the adjustment block 405, the inside of the adjustment block 405 is vertically provided with the lead screw 406, the lead screw 406 is driven to move the adjustment block 405 and the mounting frame 404 in the vertical way, and drives the indexing cam 401 to move at the side of the cam roller one 2 and the cam roller two 3.

[0024] In summary, the precision adjustment assembly of the cam divider for machine tool first adjusts the precision of the cam divider according to the structure shown in the description Figs. 1-3 In the structure shown in the description, the input shaft 403 is connected with the motor by the belt and the driving force, the output shaft 6 is connected with the machining disc for the machining of the machine tool, in use, the motor drives the lead screw 406 to move the adjustment block 405 and the mounting frame 404 in the vertical way, drives the indexing cam 401 to move at the side of the cam roller one 2 and the cam roller two 3, and drives the output shaft 6 to adjust the precision, which is simple to operate, when the position of the mounting frame 404 is adjusted, the limiting block 7 moves in the limiting groove 8 when the mounting frame 404 moves, the limiting groove 8 increases the stability of the movement of the mounting frame 404, the roller bearing 402 rotates inside the mounting frame 404 under the driving force of the input shaft 403, so as not to affect the rotation of the indexing cam 401 when the height of the mounting frame 404 is adjusted, and the protective cover 901 cooperates with the box body 1 outside the input shaft 403 to protect the parts of the cam divider, and the input shaft 403 moves in the auxiliary hole 902 with the displacement of the indexing cam 401.

[0025] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application with various modifications as are suited to the particular use contemplated.

Claims

1. A cam divider precision adjustment assembly for machine tools, comprising a box (1) and a moving assembly (4), characterized in that, The inside of the box (1) is provided with a cam roller one (2), and the lower end of the cam roller one (2) is connected with a cam roller two (3), the moving assembly (4) for precision adjustment is arranged on the side of the cam roller one (2), and the moving assembly (4) comprises a indexing cam (401), a roller bearing (402), an input shaft (403), a mounting frame (404), an adjusting block (405) and a lead screw (406), the outer part of the end of the indexing cam (401) is connected with the roller bearing (402), and the end of the roller bearing (402) is connected with the input shaft (403), the outer side of the roller bearing (402) is provided with the mounting frame (404), and the side of the mounting frame (404) is connected with the adjusting block (405), the inside of the adjusting block (405) is vertically provided with the lead screw (406).

2. A cam divider accuracy adjustment assembly for a machine tool according to claim 1, wherein The cam roller one (2) and the cam roller two (3) are in parallel distribution, and the diameters of the cam roller one (2) and the cam roller two (3) are consistent.

3. A cam divider accuracy adjustment assembly for a machine tool according to claim 1, wherein The indexing cam (401) and the roller bearing (402) are fixedly connected, and the roller bearing (402) and the mounting frame (404) are rotatably connected.

4. A cam divider accuracy adjustment assembly for a machine tool according to claim 1, wherein The mounting frame (404) and the adjusting block (405) are fixedly connected, and the mounting frame (404) and the lead screw (406) are provided with two groups.

5. The cam divider accuracy adjustment assembly for machine tools according to claim 1, characterized in that, The top of the cam roller one (2) is connected with an output turret (5), and the upper end of the output turret (5) is connected with an output shaft (6).

6. A cam divider accuracy adjustment assembly for a machine tool according to claim 1, wherein The right side of the mounting frame (404) is provided with a limiting sliding block (7), and the outside of the limiting sliding block (7) is provided with a limiting groove (8).

7. A cam divider accuracy adjustment assembly for a machine tool according to claim 6, wherein The limiting sliding block (7) and the limiting groove (8) are in sliding connection, and the limiting groove (8) and the box (1) are in integrated structure.

8. A cam divider accuracy adjustment assembly for a machine tool according to claim 1, wherein The front end of the box (1) is provided with an auxiliary assembly (9) for auxiliary adjustment, and the auxiliary assembly (9) comprises a protective cover (901) and an auxiliary hole (902), and the surface of the protective cover (901) is provided with the auxiliary hole (902).

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