CN219485623U

CN219485623U - Manual four-axis turning device is used in machining

Info

Publication number: CN219485623U
Application number: CN202320364469.8U
Authority: CN
Inventors: 霍志伟; 高凯; 周立新; 马阳
Original assignee: Liaoning Jianzhu Vocational College
Current assignee: Liaoning Jianzhu Vocational College
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-08-08
Anticipated expiration: 2033-03-02

Abstract

A manual four-axis turnover device for machining relates to a device used in machining. The four-axis turnover device is designed mainly for solving the problems of high price, complicated installation and adjustment of the existing four-axis turnover device. The device comprises a bottom plate, wherein front and rear ends of the bottom plate are provided with a front bracket and a rear bracket, and a front bearing seat and a rear bearing seat are respectively connected to the tops of the front bracket and the rear bracket; the sliding block of the rear bracket is matched with a guide rail on the bottom plate, a locking screw is arranged on a locking screw mounting plate of the rear bracket, two ends of the overturning bottom plate are matched with bearings in two bearing seats through a flange plate supporting plate and a flange shaft, an indexing block is arranged on the flange shaft extending from the front bearing seat, a rotating disc is arranged on the flange shaft extending from the rear bearing seat, a screw rod is in threaded connection on a locking supporting seat of the rear bracket, a first locking block is arranged at the front end of the screw rod, a second locking block is arranged on the rear bracket in front of the rotating disc, and a hand wheel is arranged at the rear end of the screw rod. The front bracket is provided with an air cylinder, and the top end of a cylinder rod of the air cylinder is provided with a positioning block. The tool has the advantages that the tool can be turned over at different angles, and the manufacturing cost is low.

Description

Manual four-axis turning device is used in machining

Technical Field

The utility model relates to a device used in machining, in particular to a manual four-axis turning device used in machining.

Background

At present, in the actual machining process, a part with a plurality of surface machining characteristics is usually machined in a repeated clamping mode, the machining efficiency is low, and machining tolerance is large due to repeated clamping; or a five-axis machining center is adopted for production, but the machining cost is high, and the requirement on the programming level is high; or a special four-axis turnover device is adopted, the device has high price, and the installation and adjustment are complicated, so that the device is not suitable for multiple switching of multiple samples.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the manual four-axis turnover device for machining, which can realize turnover of a tool at different angles, has low manufacturing cost and simple structure.

The purpose of the utility model is realized in the following way: the front end of the bottom plate is fixedly provided with a front bracket, and a front bearing seat is connected to the top of the front bracket through a bolt;

the guide rail is fixed on the bottom plate, the sliding block is fixed at the bottom of the rear support, the sliding block and the guide rail are matched and installed, the rear support can slide back and forth on the guide rail, the left end face and the right end face of the bottom of the rear support are both fixed with locking screw mounting plates which extend downwards, the lower parts of the two locking screw mounting plates are respectively positioned on the left side and the right side of the bottom plate, locking screws are respectively installed on the two locking screw mounting plates, and after the position of the rear support on the guide rail is adjusted, the locking screws are screwed to enable the locking screws to prop against the side end face of the bottom plate, so that the limit of the rear support is realized. The rear bearing seat is connected to the top of the rear support through bolts, an overturning bottom plate is arranged between the front bearing seat and the rear bearing seat, an axial long hole is formed in the overturning bottom plate, flange plate supporting plates are fixed to the front end and the rear end of the overturning bottom plate, the two flange plate supporting plates are respectively matched with two flange shafts, the two flange shafts are respectively matched with bearings in the front bearing seat and the rear bearing seat and extend out of the bearing seat, an indexing block is arranged on the flange shaft extending out of the front bearing seat, a rotating disc is arranged on the flange shaft extending out of the rear bearing seat, a locking supporting seat is fixed on the rear support behind the rotating disc, a threaded hole for installing a screw rod is formed in the middle of the locking supporting seat, screw rods are in threaded connection with the locking supporting seat, two ends of the screw rods extend out of the locking supporting seat, a first locking block is fixed to the front end of the screw rod, a second locking block is fixed to the rear support in front of the lower portion of the rotating disc, the lower portion of the rotating disc is attached to the second locking block, a hand wheel is fixed to the rear end of the screw rod, and the hand wheel can drive the first locking block to move, and the first locking block and the second locking block clamp the rotating disc.

The indexing blocks are sector-shaped and have a plurality of numbers, the angles of the indexing blocks are different, for example, 30 degrees, 45 degrees, 60 degrees and the like, and the indexing blocks with different angles are selected according to the requirements of workpieces to be processed.

The middle part of the indexing block is provided with a hole, the indexing block is sleeved on a flange shaft extending from the front bearing seat through the hole, the front part of the flange shaft is provided with two positioning planes, the surface of the indexing block is provided with two positioning threaded holes, positioning screws are arranged in the threaded holes, and after the indexing block is installed, the screws are screwed down to enable the screws to be propped against the positioning planes of the flange shaft, so that the indexing block is fixed.

The front support below the indexing block is provided with an air cylinder, a cylinder rod of the air cylinder is upwards arranged, and the top end of the cylinder rod of the air cylinder is fixed with a positioning block.

The utility model has the advantages that:

1. the manual overturning is simple in structure and easy to manufacture, and mass copying can be performed according to the characteristics of the product; the method does not need water, electricity and gas auxiliary facilities, has lower requirements on the environment of the production site and has strong applicability.

2. The front end drives the positioning block to jack up through the air cylinder, is attached to the plane of the indexing block, adjusts the indexing block to be horizontal, and then positions the overturning bottom plate to a required angle; the rear end is through two latch segment tight rotary disks, and then locking rotation angle has realized the brake locking at both ends around this device, and the problem of influence precision such as rocking can not appear in the course of working.

3. The device is simple to move and debug and convenient to use.

4. For multi-face processing, especially light cutting processing of aluminum alloy materials, expensive equipment is not required to be purchased, and the method is suitable for sample production and small-batch production.

5. The device has low cost and can be widely used for small-scale production units.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic view showing the bonding state of the positioning block and the indexing block in the utility model;

fig. 4 is a schematic view showing a state that a positioning block is separated from an indexing block in the present utility model.

Detailed Description

The utility model is further described below with reference to fig. 1-4;

the front end of the bottom plate is fixedly provided with a front bracket 2, and a front bearing seat 3 is connected to the top of the front bracket through bolts;

the guide rail 4 is fixed on the bottom plate, the sliding block is fixed at the bottom of the rear bracket 5, the sliding block and the guide rail are matched and installed, the rear bracket can slide back and forth on the guide rail, the left end face and the right end face of the bottom of the rear bracket are both fixed with locking screw mounting plates 6 which extend downwards, the lower parts of the two locking screw mounting plates are respectively positioned on the left side and the right side of the bottom plate, locking screws are respectively installed on the two locking screw mounting plates, and after the position of the rear bracket on the guide rail is adjusted, the locking screws are screwed to enable the locking screws to prop against the side end face of the bottom plate, so that the limit of the rear bracket is realized. The rear bearing seat 7 is connected to the top of the rear bracket through bolts, a turnover bottom plate 8 is arranged between the front bearing seat and the rear bearing seat, an axial long hole 9 is formed in the turnover bottom plate, a flange plate supporting plate 10 is fixed at the front end and the rear end of the turnover bottom plate, two flange plate supporting plates are respectively matched with two flange shafts, the two flange shafts are respectively matched with bearings in the front bearing seat and the rear bearing seat and extend out of the bearing seat, an indexing block 11 is arranged on the flange shaft extending out of the front bearing seat, a rotating disc 12 is arranged on the flange shaft extending out of the rear bearing seat, a locking supporting seat 13 is fixed on the rear bracket behind the rotating disc, a threaded hole for installing a screw rod 14 is formed in the middle of the locking supporting seat, screw rod is in threaded connection with the locking supporting seat, two ends of the screw rod extend out of the locking supporting seat, a first locking block 15 is fixed at the front end of the screw rod, a second locking block 16 is fixed on the rear bracket in front of the lower part of the rotating disc, the lower part of the rotating disc is attached to the second locking block, a hand wheel 17 is fixed at the rear end of the screw rod, and the first locking block can be driven to move by rotation, so that the first locking block and the second locking block clamp the rotating disc.

A cylinder 18 is arranged on the front support below the indexing block, a cylinder rod of the cylinder is arranged upwards, and a positioning block 19 is fixed at the top end of the cylinder rod of the cylinder.

The number of the turnover bottom plates is plural, and the lengths of the turnover bottom plates are different.

The working process comprises the following steps: according to the length of the workpiece, a turnover bottom plate is selected, a tool of the workpiece to be processed is connected to the turnover bottom plate, a long hole on the turnover bottom plate is combined with a tool nut, a corresponding indexing block is selected and installed according to the angle of turnover required by the workpiece to be processed, for example, a 30-degree indexing block is selected, one inclined surface of the indexing block is arranged down, the other inclined surface is arranged up, a cylinder works to enable the positioning block to be in contact with the indexing block, so that the lower surface of the indexing block is rotated to be in a horizontal state from an inclined state, the turnover bottom plate is inclined by 30 degrees at the moment, a hand wheel is rotated, two locking blocks clamp a rotary disc, and limiting of the turnover bottom plate is achieved.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The manual four-axis turnover device for machining comprises a bottom plate (1), wherein a front support (2) is fixed at the front end of the bottom plate, and a front bearing seat (3) is connected to the top of the front support through bolts; the method is characterized in that: a guide rail (4) is fixed on the bottom plate, a sliding block is fixed at the bottom of a rear bracket (5), the sliding block is matched with the guide rail, a left end face and a right end face of the bottom of the rear bracket are both fixedly provided with locking screw mounting plates (6) which extend downwards, the lower parts of the two locking screw mounting plates are respectively positioned at the left side and the right side of the bottom plate, locking screws are respectively mounted on the two locking screw mounting plates, a rear bearing seat (7) is connected to the top of the rear bracket through bolts, a turnover bottom plate (8) is arranged between the front bearing seat and the rear bearing seat, flange plate supporting plates (10) are respectively fixed at the front end and the rear end of the turnover bottom plate, two flange plate supporting plates are respectively matched with two flange shafts, two flange shafts are respectively matched with bearings in the front bearing seat and the rear bearing seat, and extend from bearing seats, an indexing block (11) is mounted on the flange shaft which extends from the front bearing seat, a rotating disk (12) is mounted on the flange shaft which extends from the rear bearing seat, locking supporting seats are respectively provided with locking screw holes for mounting screw rods (14) at the middle parts of the rear bracket at the rear of the rotating disk, screw rods are in threaded connection to the locking supporting seats, screw rods both ends extend from the locking supporting seats, a first locking block (15) is fixedly arranged at the front end of the rotating disk and a second locking block (17) is fixedly attached to the lower end of the rotating disk (17); the indexing block is fan-shaped, a cylinder (18) is mounted on the front support below the indexing block, a cylinder rod of the cylinder is arranged upwards, and a positioning block (19) is fixed at the top end of the cylinder rod of the cylinder.

2. A manual four-axis turning device for machining according to claim 1, wherein: the middle part of the indexing block is provided with a hole, the indexing block is sleeved on a flange shaft extending from the front bearing seat through the hole, the front part of the flange shaft is provided with two positioning planes, the surface of the indexing block is provided with two positioning threaded holes, positioning screws are arranged in the threaded holes, and after the indexing block is installed, the screws are screwed down to enable the screws to be propped against the positioning planes of the flange shaft, so that the indexing block is fixed.

3. A manual four-axis turning device for machining according to claim 1, wherein: an axial slot hole (9) is formed in the overturning bottom plate.