CN219542198U - Turnover position changing machine - Google Patents

Abstract

The utility model belongs to the technical field of turnover position changing machines, and particularly relates to a turnover position changing machine, which comprises a base, wherein a bidirectional screw rod is arranged in the base through a bearing, a knob is fixedly connected to the bidirectional screw rod, two symmetrically distributed supporting plates are connected to the outside of the bidirectional screw rod through threads, and the supporting plates are in sliding connection with the base. According to the utility model, the two slidable supporting plates are arranged, the rotating shaft is arranged on the supporting plates through the bearings, then the supporting frame for supporting the workpiece is arranged on the rotating shaft, and then the workpiece is tightly propped through the screws, so that the workpiece can be overturned and displaced through the rotating shaft after being fixed; through setting up one and installing two-way screw rod through the bearing in the base, set up the knob on the two-way screw rod, through threaded connection between two-way screw rod and the backup pad moreover, through the rotation of two-way screw rod like this, can control the interval of two backup pads to satisfy the fixed to different length work pieces, the suitability is better.

Description

Turnover position changing machine

Technical Field

The utility model relates to the technical field of overturning position shifters, in particular to an overturning position shifter.

Background

The turnover positioner is a machine which is specially used for adjusting the position of a workpiece so as to meet different welding requirements and is commonly used on a welding production line. The utility model patent with the bulletin number of CN109483137A discloses a manual overturning positioner, which comprises a base, two support frames, a driving shaft, a driven shaft, a bracket, a gearbox and a hand wheel, wherein the support frames are respectively and fixedly installed at two ends of the base, the gearbox is fixedly installed on one end of the support frames, an input shaft of the gearbox is fixedly connected with the hand wheel, an output shaft of the gearbox is fixedly connected with the driving shaft, the driven shaft is rotatably installed on the other end of the support frame, two ends of the bracket are respectively and fixedly connected with the driving shaft and the driven shaft, the overturning angle of the device is more accurate, the fixing effect of the bracket is better, and the device has good application prospect. The turnover positioner provided by the patent is not provided with a mechanism for fixing the workpiece, so that the workpieces with different lengths are inconvenient to fix, and the applicability is poor. Therefore, improvements are needed.

Disclosure of Invention

The utility model aims to provide a turnover positioner, which solves the problem that the existing turnover positioner is not provided with a mechanism for fixing workpieces and is inconvenient for fixing workpieces with different lengths.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a turnover position changing machine, includes the base, install bi-directional screw through the bearing in the base, fixedly connected with knob on the bi-directional screw, the outside of bi-directional screw has two symmetric distribution's backup pad through threaded connection, backup pad and base sliding connection, every through the bearing installation pivot in the backup pad, fixedly connected with carousel in one of them pivot, fixedly connected with bull stick on the carousel, set up adjustment mechanism on the carousel, fixedly connected with support frame in the pivot, the surface welding of support frame has the fixed block, there is the screw through threaded connection in the fixed block, the bottom fixedly connected with cushion of screw, the bottom welding of base has four evenly distributed's supporting legs.

Preferably, one of the support frames is fixedly connected with a guide sleeve, a guide rod is slidably connected with the guide sleeve, and the guide rod is fixedly connected with the other support frame. Through the arrangement of the guide sleeve and the guide rod, the linkage between the two support frames is facilitated.

Preferably, the bottom of the support plate is provided with balls, and the balls are in contact with the inner surface of the base. Through the setting of ball, can reduce the frictional force between backup pad and the base.

Preferably, the adjusting mechanism comprises a locating pin, a locating hole, a connecting sheet, a pull ring, a spring and a corrugated sleeve, wherein the locating pin is connected with the supporting plate in a sliding mode, the locating pin is fixedly connected with the connecting sheet, the pull ring is fixedly connected with the connecting sheet, the spring is arranged outside the locating pin, one end of the spring is fixedly connected with the connecting sheet, and the other end of the spring is fixedly connected with the rotating plate. Through adjustment mechanism's setting, be convenient for fix the work piece upset after shifting.

Preferably, a plurality of positioning holes distributed in an array are formed in the surface of the supporting plate, and the positioning holes are in sliding connection with the positioning pins. Through the setting of locating hole, with the locating pin cooperation, have the positioning action to the flip angle of work piece.

Preferably, the connecting sheet is fixedly connected with a corrugated sleeve, and the corrugated sleeve is fixedly connected with the turntable. Through the arrangement of the corrugated sleeve, the spring is protected.

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

1. according to the utility model, the two slidable supporting plates are arranged, the rotating shafts are arranged on the supporting plates through the bearings, the supporting frames for supporting the workpiece are arranged on the rotating shafts, then the workpiece is tightly propped through the screws, so that after the workpiece is fixed, the workpiece can be overturned and displaced through the rotating shafts, in addition, the rotating disc is arranged on one rotating shaft, the adjusting mechanism is arranged on the rotating disc, the adjusting mechanism comprises the positioning pins which stretch through the springs, the positioning holes distributed in a circle are arranged on the supporting plates, and thus the workpiece can be overturned and displaced at multiple angles and fixed through the combination of the positioning pins and the positioning holes at different positions, and the application range is wide.

2. According to the utility model, the bidirectional screw rod is arranged in the base through the bearing, the knob is arranged on the bidirectional screw rod, and the bidirectional screw rod is connected with the supporting plates through threads, so that the distance between the two supporting plates can be controlled through the rotation of the bidirectional screw rod, thereby meeting the requirement of fixing workpieces with different lengths, and having better applicability.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

fig. 3 is an enlarged view of the structure of the portion a of fig. 2 according to the present utility model.

In the figure: 1. a base; 2. a bidirectional screw; 3. a support plate; 4. a rotating shaft; 5. a turntable; 6. a rotating rod; 7. an adjusting mechanism; 8. a support frame; 9. a fixed block; 10. a screw; 11. a cushion block; 12. a guide sleeve; 13. a guide rod; 14. a ball; 15. a knob; 16. support legs; 71. a positioning pin; 72. positioning holes; 73. a connecting sheet; 74. a pull ring; 75. a spring; 76. a corrugated sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, the turnover positioner comprises a base 1, a bidirectional screw 2 is installed in the base 1 through a bearing, a knob 15 is fixedly connected to the bidirectional screw 2, two symmetrically distributed supporting plates 3 are connected to the outside of the bidirectional screw 2 through threads, the supporting plates 3 are in sliding connection with the base 1, balls 14 are installed at the bottoms of the supporting plates 3, the balls 14 are in contact with the inner surface of the base 1, friction force between the supporting plates 3 and the base 1 can be reduced through the arrangement of the balls 14, a rotating shaft 4 is installed in each supporting plate 3 through the bearing, a turntable 5 is fixedly connected to one rotating shaft 4, a rotating rod 6 is fixedly connected to the turntable 5, supporting frames 8 are fixedly connected to the rotating shaft 4, a fixed block 9 is welded to the surface of each supporting frame 8, a screw 10 is connected to the inside of each fixed block 9 through threads, a cushion block 11 is fixedly connected to the bottom of each supporting frame 10, a guide sleeve 12 is connected to the inside of each supporting frame 12, a guide rod 13 is fixedly connected to the other through the guide sleeve 12 and the guide rod 13, and four supporting legs 16 are uniformly distributed at the bottom of the base 1.

Referring to fig. 3, an adjusting mechanism 7 is disposed on a turntable 5, the adjusting mechanism 7 includes a positioning pin 71, a positioning hole 72, a connecting piece 73, a pull ring 74, a spring 75 and a bellows 76, the positioning pin 71 is slidably connected with the turntable 5, the positioning pin 71 is slidably connected with the supporting plate 3, a plurality of positioning holes 72 distributed in array are provided on the surface of the supporting plate 3, the positioning hole 72 is slidably connected with the positioning pin 71, the positioning hole 72 is matched with the positioning pin 71, a positioning function is provided for the turnover angle of a workpiece, the connecting piece 73 is fixedly connected with the positioning pin 71, the pull ring 74 is fixedly connected with the connecting piece 73, a spring 75 is disposed outside the positioning pin 71, one end of the spring 75 is fixedly connected with the connecting piece 73, the other end of the spring 75 is fixedly connected with the turntable 5, the bellows 76 is provided with the turntable 5, the spring 75 has a protection function through the arrangement of the bellows 76, and the positioning mechanism 7 is convenient for fixing the workpiece after turnover.

The specific implementation process of the utility model is as follows: when the screw machine is used, a workpiece to be machined is firstly placed on two support frames 8, then the bidirectional screw rod 2 is rotated through the knob 15, the bidirectional screw rod 2 can enable the bidirectional screw rod 2 to move in opposite directions through threaded movement between the bidirectional screw rod 2 and the support plates 3, then the support plates 3 drive the support frames 8 to move through the rotating shafts 4, so that the support frames 8 transversely clamp the workpiece, then the screw 10 is rotated, the screw 10 moves downwards through threaded movement between the screw 10 and the fixed blocks 9 until the cushion block 11 at the bottom of the screw 10 abuts against the workpiece, and therefore the workpiece can be clamped in the vertical direction, and the workpiece is kept stable in the machining process;

if the workpiece is required to be turned and shifted in the machining process, the positioning pin 71 is driven to slide in the turntable 5 through the pull ring 74 and the connecting sheet 73, the positioning pin 71 is separated from the current positioning hole 72 in the supporting plate 3, the spring 75 is stretched, the limitation on the turntable 5 can be relieved, then the turntable 5 is driven to rotate through the rotating rod 6, the turntable 5 drives the supporting frame 8 to rotate through the rotating shaft 4, the workpiece clamped on the supporting frame 8 is driven to turn, the turning angle can be according to actual needs, after the workpiece is turned to a required angle position, the pull ring 74 is loosened, the spring 75 can return the positioning pin 71, and the positioning pin 71 is inserted into the corresponding positioning hole 72 in the supporting plate 3, so that the turntable 5 can be locked again, and the stability of the workpiece after the workpiece turning and shifting is ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The turnover position changing machine comprises a base (1) and is characterized in that: the novel multifunctional screw comprises a base (1), wherein a bidirectional screw (2) is installed in the base (1) through a bearing, a knob (15) is fixedly connected to the bidirectional screw (2), two symmetrically distributed support plates (3) are connected to the outside of the bidirectional screw (2) through threads, each support plate (3) is slidably connected with the base (1), a rotating shaft (4) is installed in each support plate (3) through a bearing, a rotating disc (5) is fixedly connected to one rotating shaft (4), a rotating rod (6) is fixedly connected to the rotating disc (5), an adjusting mechanism (7) is arranged on the rotating disc (5), a supporting frame (8) is fixedly connected to the rotating shaft (4), a fixed block (9) is welded to the surface of the supporting frame (8), a screw (10) is connected to the inside of the fixed block (9) through threads, and four evenly distributed supporting legs (16) are welded to the bottom of the base (1).

2. The roll-over positioner according to claim 1, wherein: one of the supporting frames (8) is fixedly connected with a guide sleeve (12), a guide rod (13) is connected in a sliding manner in the guide sleeve (12), and the guide rod (13) is fixedly connected with the other supporting frame (8).

3. The roll-over positioner according to claim 1, wherein: the bottom of the supporting plate (3) is provided with balls (14), and the balls (14) are in contact with the inner surface of the base (1).

4. The roll-over positioner according to claim 1, wherein: adjustment mechanism (7) are including locating pin (71), locating hole (72), connection piece (73), pull ring (74), spring (75), ripple cover (76), sliding connection has locating pin (71) in carousel (5), locating pin (71) and backup pad (3) sliding connection, fixedly connected with connection piece (73) on locating pin (71), fixedly connected with pull ring (74) on connection piece (73), the outside of locating pin (71) is provided with spring (75), one end and connection piece (73) fixed connection of spring (75), the other end and carousel (5) fixed connection of spring (75).

5. The roll-over positioner according to claim 4, wherein: a plurality of positioning holes (72) distributed in an array are formed in the surface of the supporting plate (3), and the positioning holes (72) are slidably connected with the positioning pins (71).

6. The roll-over positioner according to claim 5, wherein: the connecting piece (73) is fixedly connected with a corrugated sleeve (76), and the corrugated sleeve (76) is fixedly connected with the rotary table (5).