CN211759400U - High accuracy is welding position device for roller - Google Patents

Abstract

The utility model discloses a welding positioning device for high-precision rollers, which relates to the technical field of welding positioning devices. The first U-shaped groove, the middle of the bottom plate is fixedly connected with a second support plate, the second support plate is provided with a second U-shaped groove, the bottom plate is provided with a movable support plate, the movable support plate The plate is provided with a third U-shaped groove for placing the cylindrical shaft, the movable support plate is provided with a threaded hole, and the threaded hole is threaded with a limit screw, the bottom plate is fixedly connected with a baffle, the baffle The plate is provided with an avoidance groove for avoiding the cylindrical shaft in the welding workpiece. The utility model has the advantages of simple operation, improved positioning work efficiency, accurate positioning, and improved welding positioning accuracy and welding product consistency.

Description

A welding positioning device for high-precision rollers

Technical field:

The utility model relates to the technical field of welding positioning devices, in particular to a welding positioning device for high-precision rollers.

Background technique:

Roller refers to a cylindrical rotatable object in machinery. In machinery, a power source is often used to drive the roller to drive other materials forward, or use the roller to generate pressure to process the material. In the production process of the color sorter, a large number of rollers are required. Existing rollers are generally manufactured through blanking, welding, turning, milling, grinding, balance correction and other processes.

In an existing roller structure, a cylindrical shaft with a smaller diameter is welded at both ends of the cylinder to form a shoulder for installation and use. In the welding process of this type of roller, it is necessary to position the cylinder and the cylindrical shaft to spot weld the weld, and then perform circular weld welding to the weld. Then hold the cylindrical shaft to carry out spot welding on the position where the cylindrical shaft is installed and scribed. This welding positioning method is complicated in operation, low in work efficiency and low in positioning accuracy, which cannot meet the requirements of high-precision roller processing.

Utility model content:

The purpose of the utility model is to at least solve the technical problems that the existing roller welding positioning method is complicated in operation, low in work efficiency and low in positioning accuracy, and cannot meet the requirements of high-precision roller processing, and provides a high-precision roller welding positioning device.

In order to achieve the above object, the present invention adopts the following technical solutions to realize:

A welding positioning device for a high-precision roller comprises a bottom plate, a first support plate is fixedly connected to the bottom plate, a first U-shaped groove for placing a cylinder is opened in the first support plate, and a middle part of the bottom plate is provided. A second support plate is fixedly connected, the second support plate is provided with a second U-shaped groove that is consistent with the concave arc at the bottom of the first U-shaped groove, and a movable support plate is arranged on the bottom plate, and the movable support The plate is located on the side of the second support plate away from the first support plate, the movable support plate is provided with a third U-shaped groove for placing the cylindrical shaft, the movable support plate is provided with threaded holes and the threaded holes pass through the holes. The thread is matched with the limit screw, the bottom plate is fixedly connected with a baffle plate, the baffle plate is located on the side of the first support plate away from the second support plate, and the baffle plate is provided with an avoidance for avoiding the cylindrical shaft in the welding workpiece groove.

Further, a rotating plate is rotatably connected to the outer upper end of the first supporting plate, a downward third supporting plate is fixedly connected to the middle of the rotating plate, and a fourth U-shaped groove is opened on the third supporting plate. , the bottom of the rotating plate is connected with a limit block, and the limit block is connected with a limit screw through threaded cooperation.

Further, a chute is provided on the rotating plate, a locking screw that can move along the chute is inserted into the chute, the limit block is fixedly connected to the lower end of the locking screw, and the locking The upper end of the screw rod is connected with a locking nut through a thread, and the locking nut locks the locking screw rod on the rotating plate.

Further, the movable support plate includes a vertical plate and a horizontal plate that are perpendicular to each other, the third U-shaped groove and the limit screw are located on the vertical plate, the horizontal plate is provided with a long slot, and the long Positioning bolts are inserted into the grooves, and the positioning bolts and the bottom plate lock the movable support plate on the bottom plate through thread matching.

Further, a butterfly-shaped toggle plate is fixedly connected to the outer end side wall of the limit screw.

Further, the bottom four corners of the bottom plate are fixedly connected with spacers.

The welding positioning device for a high-precision roller provided by the utility model has the following beneficial effects: when in use, the component cylinder of the roller to be welded is placed in the groove of the first support plate and the second support plate, Make the end of the cylinder against the side wall of the baffle plate, place the cylindrical shaft of another component to be welded on the groove of the movable support plate, insert the disc on the cylindrical shaft into the cylinder, and adjust the limit screw so that the limit screw the end of the screw to the specified size position, stick the disc on the end of the screw to locate the disc and the cylindrical shaft on it, and then spot weld the disc and the cylinder, so that the cylindrical shaft and the cylinder are fixed. Connect, then withdraw the limit screw, take out the workpiece after spot welding, and then weld the annular welding seam between the disc and the cylinder; positioning by this device, the operation is simple, the positioning work efficiency is improved, and the positioning is accurate. , to improve the welding positioning accuracy and the consistency of welding products; by rotating the rotating plate, the third support plate is supported on the upper side of the cylinder, and then the end of the limit screw on the limit block is adjusted to the specified size position. The upper part of the disc on the cylindrical shaft is positioned, which makes the positioning more stable and improves the positioning accuracy; the movable support plate is locked on the bottom plate by the positioning bolt, which is convenient to adjust the position of the movable support plate, so as to adapt to the cylindrical workpieces of different lengths.

Description of drawings:

The specific embodiments of the present utility model are described in further detail below in conjunction with the accompanying drawings:

1 is a schematic structural diagram of a welding positioning device for a high-precision roller provided by the utility model;

Fig. 2 is a schematic view of the lateral cross-sectional structure at A-A in Fig. 1;

FIG. 3 is a schematic structural diagram of a use state of a welding positioning device for a high-precision roller provided by the present invention.

Description of the symbols in the figure: 1-base plate, 11-pad, 2-first support plate, 21-first U-shaped groove, 3-second support plate, 31-second U-shaped groove, 4-active support Plate, 41-Third U-shaped groove, 42-Limiting screw, 421-Butterfly toggle plate, 43-Slot slot, 44-Locating bolt, 5-Baffle plate, 51-Avoiding groove, 6-Rotation Plate, 61-chute, 7-third support plate, 71-fourth U-shaped groove, 8-limit block, 81-lock screw, 82-lock nut, A01-cylinder, A02-cylinder shaft , A03-disc.

Detailed ways:

It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not All examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up-down-left-right-front-rear...) in the embodiments of the present invention are only used to explain the relationship between various components under a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly, and the connection may be a direct connection or an indirect connection.

As shown in FIG. 1 and FIG. 2 , a welding positioning device for high-precision rollers includes a bottom plate 1, a first support plate 2 is fixedly connected to the bottom plate 1, and a placement circle is opened in the first support plate 2 The first U-shaped groove 21 of the cylinder, the middle of the bottom plate 1 is fixedly connected with a second support plate 3, and the second support plate 3 is provided with a second U-shaped groove 21 that is consistent with the concave arc at the bottom of the first U-shaped groove 21. A groove 31 is formed, the bottom plate 1 is provided with a movable support plate 4, the movable support plate 4 is located on the side of the second support plate 3 away from the first support plate 2, and the movable support plate 4 is provided with a space for placing The third U-shaped groove 41 of the cylindrical shaft, the movable support plate 4 is provided with a threaded hole, and the threaded hole is threaded to fit a limit screw 42, the bottom plate 1 is fixedly connected with a baffle 5, and the baffle 5 is located on the side of the first support plate 2 away from the second support plate 3, and the baffle plate 5 is provided with an avoidance groove 51 for avoiding the cylindrical shaft in the welding workpiece.

Specifically, a rotating plate 6 is rotatably connected to the outer upper end of the first supporting plate 2 , and a downward third supporting plate 7 is fixedly connected to the middle of the rotating plate 6 . The third supporting plate 7 is provided with a third supporting plate 7 . There are four U-shaped grooves 71 , the bottom of the rotating plate 6 is connected to a limit block 8 , and the limit block 8 is connected to the limit screw 42 through screw fitting.

Specifically, a chute 61 is formed on the rotating plate 6 , a locking screw 81 that can move along the chute 61 is inserted through the chute 61 , and the limit block 8 is fixedly connected to the locking screw 81 The upper end of the locking screw 81 is connected with a locking nut 82 through a thread, and the locking nut 82 locks the locking screw 81 on the rotating plate 6 .

Specifically, the movable support plate 4 includes a vertical plate and a horizontal plate that are perpendicular to each other, the third U-shaped groove 41 and the limit screw 42 are located on the vertical plate, and a long slot 43 is opened on the horizontal plate. Positioning bolts 44 are inserted through the elongated grooves 43 , and the positioning bolts 44 and the bottom plate 1 lock the movable support plate 4 on the bottom plate 1 through screw fit.

Specifically, a butterfly-shaped toggle plate 421 is fixedly connected to the outer end sidewall of the limit screw 42 .

Specifically, the bottom four corners of the bottom plate 1 are fixedly connected with cushion blocks 11 .

Using the above technical solution, when in use, as shown in FIG. 3 , place the assembly cylinder A01 of the roller to be welded in the grooves of the first support plate 2 and the second support plate 3, so that the end of the cylinder A01 is Abut on the side wall of the baffle 5, place the cylindrical shaft A02 of another component to be welded on the groove of the movable support plate 4, insert the disc A03 on the cylindrical shaft A02 into the cylinder A01, and adjust the limit screw 42 to limit the limit. Position the end of the screw 42 to the specified size position, stick the disc A03 on the end of the screw to position the disc A03 and the cylindrical axis A02 on it, and then spot weld the disc A03 and the cylinder A01, so that the The cylindrical shaft A02 and the cylinder A01 are fixedly connected, then the limit screw 42 is withdrawn, the workpiece after spot welding is taken out, and then the annular weld between the disc A03 and the cylinder A01 is welded; Positioning, the operation is simple, the positioning work efficiency is improved, the positioning is accurate, the welding positioning accuracy and the consistency of welding products are improved; by turning the rotating plate 6, the third support plate 7 is supported on the upper side of the cylinder A01, and then the limit The end of the limit screw 42 on the block 8 is adjusted to the specified size position, and the upper part of the disc A03 on the cylindrical shaft A02 is positioned to make the positioning more stable and improve the positioning accuracy; The movable support plate 4 is locked on the bottom plate by the positioning bolt 8 1, it is convenient to adjust the position of the movable support plate 4, so as to adapt to cylindrical workpieces of different lengths.

The basic principles, main features and features of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention The new model will also have various changes and improvements, which all fall within the scope of the claimed invention. The scope of protection of the present invention is determined by the appended claims and their equivalents.

Claims (6)

1. A welding positioning device for high-precision rollers, characterized in that it comprises a base plate (1), and a first support plate (2) is fixedly connected to the base plate (1), and the first support plate (2) A first U-shaped groove (21) for placing the cylinder is opened in the middle, a second support plate (3) is fixedly connected to the middle of the bottom plate (1), and a second support plate (3) is opened on the second support plate (3). The U-shaped groove (21) has a second U-shaped groove (31) with the same concave arc at the bottom, the bottom plate (1) is provided with a movable support plate (4), and the movable support plate (4) is located on the second support plate (4). The side of the plate (3) away from the first support plate (2), the movable support plate (4) is provided with a third U-shaped groove (41) for placing the cylindrical shaft, and the movable support plate (4) A threaded hole is provided on the upper part, and a limit screw (42) is threaded in the threaded hole. A baffle plate (5) is fixedly connected to the bottom plate (1), and the baffle plate (5) is located on the first support plate (2). On the side away from the second support plate (3), the baffle plate (5) is provided with an avoidance groove (51) for avoiding the cylindrical shaft in the welding workpiece. 2. A welding positioning device for high-precision rollers according to claim 1, characterized in that: a rotating plate (6) is rotatably connected to the outer upper end of the first support plate (2), and the rotating plate ( 6) A downward third support plate (7) is fixedly connected to the middle of the third support plate (7), a fourth U-shaped groove (71) is formed on the third support plate (7), and the bottom of the rotating plate (6) is connected to A limiting block (8), the limiting screw (42) is connected to the limiting block (8) through thread fit. 3. The welding positioning device for high-precision rollers according to claim 2, characterized in that: a chute (61) is provided on the rotating plate (6), and a chute (61) is inserted through the chute (61). A locking screw (81) that can move along the chute (61), the limit block (8) is fixedly connected to the lower end of the locking screw (81), and the upper end of the locking screw (81) is threaded A locking nut (82) is connected, and the locking nut (82) locks the locking screw (81) on the rotating plate (6). 4. A high-precision roller welding positioning device according to claim 1, characterized in that: the movable support plate (4) comprises a vertical plate and a horizontal plate that are perpendicular to each other, and the third U-shaped groove (41) and the limit screw (42) are located on the vertical plate, the horizontal plate is provided with a long slot (43), and a positioning bolt (44) is inserted in the long slot (43), and the positioning bolt (44) The movable support plate (4) is locked on the base plate (1) by screwing with the base plate (1). 5 . The welding positioning device for high-precision rollers according to claim 1 , wherein a butterfly-shaped toggle plate ( 421 ) is fixedly connected to the outer end side wall of the limit screw ( 42 ). 6 . 6 . The welding positioning device for high-precision rollers according to claim 1 , wherein the bottom four corners of the bottom plate ( 1 ) are fixedly connected with spacers ( 11 ). 7 .

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