Positioning mechanism of angle shearing machine

Abstract

The positioning mechanism of the angle shearing machine comprises a base, a cover plate is fixedly installed on the top of the base, a rotating shaft is rotationally connected to the interior of the base through a bearing, a screw rod is fixedly connected to the right end of the rotating shaft, the screw rod is rotationally connected with the base through a bearing, and a sliding seat is connected to the outer side of the screw rod through threads. A sliding block is fixedly installed on the top of the sliding base, and the sliding base and the sliding block are both connected with the cover plate in a sliding mode. The threaded connection between the screw rod and the sliding seat is designed, the threaded movement of the sliding seat can be realized through the rotation of the screw rod, then the positioning strip can be moved, in the moving process of the sliding seat, the balls are in contact with the sponge mat to extrude the sponge mat, lubricating oil stored in the sponge mat can be extruded and discharged, and the lubricating oil flows to the screw rod through the communicating groove; the sliding seat and the screw rod structure can be lubricated, abrasion is reduced, the trouble of manual lubrication is avoided, lubricating oil can be conveniently added into the sponge mat, and use is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning mechanisms, in particular to a positioning mechanism for an angle shearing machine. Background Art

[0002] The utility model patent with the patent authorization announcement number CN220127724U discloses a shearing machine positioner, including a base, a cover plate, a guide rod, a slider and a positioning strip. The base is provided with a guide rod, and the two ends of the guide rod are respectively mounted on the base by bearings; the guide rod is provided with a threaded section, and the slider is provided with a threaded hole that can cooperate with the threaded section, and the slider is mounted on the guide rod by the cooperation between the threaded hole and the threaded section; a limit block is provided on the slider, and a positioning strip is provided on the limit block; the base is provided with a cover plate, and a guide groove for guiding the movement of the limit block is provided on the cover plate in a transverse direction. The slider of the utility model is provided with a positioning strip, and the slider is driven to move transversely by rotating the guide rod to achieve the purpose of adjusting the position of the positioning strip. By setting a scale on the cover plate, the function of precise positioning can be achieved, avoiding the errors caused by caliper measurement and manual positioning; the utility model has a simple structure, is easy to maintain and easy to use.

[0003] In the above-mentioned prior art, during the use of the positioning mechanism of the positioner, the positioning bar is moved by a threaded connection, and the threaded assembly will inevitably generate friction during operation. The assembly can be lubricated by adding lubricating oil, but manual addition is troublesome and inconvenient to use. In addition, during use, the positioning bar structure lacks corresponding limiting means. If shaking or force occurs, the positioning bar is easily offset, affecting the positioning accuracy. Therefore, improvements are needed. Utility Model Content

[0004] The utility model aims to provide a positioning mechanism for an angle shearing machine, which solves the problem of inconvenience in lubricating a threaded component and the problem of inconvenience in limiting the positioning strip structure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning mechanism of an angle shearing machine, comprising a base, a cover plate fixedly installed on the top of the base, a rotating shaft rotatably connected to the interior of the base via a bearing, a screw rod fixedly connected to the right end of the rotating shaft, the screw rod and the base are rotatably connected via a bearing, a sliding seat is threadedly connected to the outer side of the screw rod, a slider is fixedly installed on the top of the sliding seat, the sliding seat and the slider are both slidably connected to the cover plate, a positioning strip is fixedly installed on the top of the slider, a scale is provided on the cover plate, a guide mechanism is provided on the sliding seat, and a limiting mechanism is provided on the rotating shaft.

[0006] Preferably, the guide mechanism includes a guide rod, the guide rod is slidably sleeved inside the slide seat, the inner wall of the guide rod base is fixedly connected, a sponge rod is fixedly connected inside the guide rod, the right end of the sponge rod contacts a plug, the plug is slidably connected to the guide rod, the plug is clamped with the base, a sponge pad is fixedly connected inside the guide rod, the sponge pad contacts the sponge rod and the slide seat respectively, a ball is movably sleeved inside the slide seat, the ball contacts the sponge pad, and a connecting groove is opened inside the slide seat. By designing the guide mechanism, the slide seat and the screw structure can be lubricated.

[0007] Preferably, the limiting mechanism includes a fixed seat, the left end of the base is fixedly connected to the fixed seat, the left end of the fixed seat contacts a rotating block, the outer side of the rotating block is fixedly connected to a handle, the right end of the rotating block is fixedly connected to a block, the block is movably connected to the fixed seat, the block is slidably connected to the rotating shaft, a limiting groove is provided inside the fixed seat, the limiting block is slidably connected inside the limiting groove, a connecting disk is fixedly connected to the outer side of the limiting block, the connecting disk is movably connected to the fixed seat, and a spring is arranged inside the fixed seat. By designing a limiting mechanism, the positioning strip structure can be limited.

[0008] Preferably, a square groove is provided inside the rotating shaft, and a square block is slidably connected inside the square groove. By designing the square groove, the square block can slide horizontally in the square groove, and the square block can drive the rotating shaft to rotate.

[0009] Preferably, there are multiple limiting grooves, which are annular and evenly distributed on the fixing seat. By designing multiple limiting grooves, the limiting block can slide into limiting grooves at different positions.

[0010] Preferably, one end of the spring contacts the connection disk, and the other end of the spring is fixedly connected to the fixing seat. The spring is designed so that the force of the spring can act on the connection disk.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model designs a threaded connection between the screw and the slide seat. The screw movement of the slide seat can be realized by rotating the screw, and then the positioning bar can be moved. During the movement of the slide seat, the ball contacts the sponge pad and squeezes the sponge pad, so that the lubricating oil stored in the sponge pad can be squeezed out. The lubricating oil flows to the screw through the connecting groove, which can lubricate the slide seat and the screw structure, reduce wear, and avoid the trouble of manual lubrication. In addition, it is convenient to add lubricating oil to the sponge pad, and it is convenient to use.

[0013] 2. The utility model can limit the rotating block structure by designing the connection between the limit block and the limit groove, and then limit the rotating shaft and the screw structure. After the position of the positioning bar is adjusted, the positioning bar can be limited to prevent the positioning bar from being offset by force, thereby improving the adjustment accuracy of the positioning bar and achieving better use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0016] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0017] Figure 4 For this utility model Figure 1 Front view of the cross-sectional view of the local structure of the fixing seat.

[0018] In the figure: 1. base; 2. cover plate; 3. rotating shaft; 4. screw; 5. slide seat; 6. slider; 7. positioning strip; 8. guide mechanism; 9. limit mechanism; 10. scale; 81. guide rod; 82. sponge rod; 83. plug; 84. sponge pad; 85. ball bearing; 86. connecting groove; 91. fixed seat; 92. rotating block; 93. handle; 94. block; 95. square groove; 96. limit groove; 97. limit block; 98. connecting plate; 99. spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 , Figure 2 A positioning mechanism of an angle shearing machine comprises a base 1, a cover plate 2 is fixedly installed on the top of the base 1, a rotating shaft 3 is rotatably connected to the inside of the base 1 through a bearing, a screw rod 4 is fixedly connected to the right end of the rotating shaft 3, the screw rod 4 is rotatably connected to the base 1 through a bearing, a slide seat 5 is threadedly connected to the outer side of the screw rod 4, a slider 6 is fixedly installed on the top of the slide seat 5, the slide seat 5 and the slider 6 are both slidably connected to the cover plate 2, a positioning strip 7 is fixedly installed on the top of the slider 6, a scale 10 is arranged on the cover plate 2, a guide mechanism 8 is arranged on the slide seat 5, and a limiting mechanism 9 is arranged on the rotating shaft 3.

[0021] See also Figure 1 , Figure 2 , Figure 3 The guide mechanism 8 includes a guide rod 81, the guide rod 81 is slidably sleeved inside the slide 5, the guide rod 81 is fixedly connected to the inner wall of the base 1, the sponge rod 82 is fixedly connected inside the guide rod 81, the right end of the sponge rod 82 contacts with a plug 83, the plug 83 is slidably connected to the guide rod 81, the plug 83 is snap-fitted with the base 1, the guide rod 81 is fixedly connected inside with a sponge pad 84, the sponge pad 84 contacts with the sponge rod 82 and the slide 5 respectively, the slide 5 is movably sleeved with a ball 85, the ball 85 contacts with the sponge pad 84, and a connecting groove 86 is opened inside the slide 5. By designing the guide mechanism 8, the slide 5 and the screw 4 structure can be lubricated.

[0022] See also Figure 1 , Figure 4 The limiting mechanism 9 includes a fixed seat 91, the left end of the base 1 is fixedly connected to the fixed seat 91, the left end of the fixed seat 91 contacts a rotating block 92, the outer side of the rotating block 92 is fixedly connected to a handle 93, the right end of the rotating block 92 is fixedly connected to a block 94, the block 94 is movably connected to the fixed seat 91, the block 94 is slidably connected to the rotating shaft 3, a square groove 95 is provided inside the rotating shaft 3, the square groove 95 is slidably connected to the square block 94, by designing the square groove 95, the block 94 can slide horizontally in the square groove 95, and the block 94 can drive the rotating shaft 3 to rotate, a limiting groove 96 is provided inside the fixed seat 91, and the limiting groove 96 is slidably connected to the inner side of the rotating shaft 3. There are a plurality of limiting blocks 97 and limiting grooves 96, which are annular and evenly distributed on the fixed seat 91. By designing a plurality of limiting grooves 96, the limiting block 97 can slide into the limiting grooves 96 at different positions. A connecting disk 98 is fixedly connected to the outer side of the limiting block 97. The connecting disk 98 is movably connected to the fixed seat 91. A spring 99 is arranged inside the fixed seat 91. One end of the spring 99 contacts the connecting disk 98, and the other end of the spring 99 is fixedly connected to the fixed seat 91. By designing the spring 99, the force of the spring 99 can act on the connecting disk 98. By designing the limiting mechanism 9, the positioning strip 7 structure can be limited.

[0023] The specific implementation process of the utility model is as follows: during use, when it is necessary to adjust the position of the positioning bar 7, the handle 93 is pulled horizontally, the handle 93 drives the rotating block 92 to move, the rotating block 92 drives the square 94 to move, the square 94 drives the connecting plate 98 to move horizontally to squeeze the spring 99, and at the same time the connecting plate 98 drives the limit block 97 to move and separate from the limit groove 96. Then the handle 93 is turned, the handle 93 drives the rotating block 92 to rotate, the rotating block 92 drives the square 94 and the rotating shaft 3 to rotate, and the rotating shaft 3 drives the screw 4 to rotate, so that the slide seat 5 performs a threaded movement, and the position of the positioning bar 7 can be moved and adjusted. After the positioning bar 7 is adjusted, the handle 93 is reset under the elastic action of the spring 99, so that the limit block 97 can slide into the limiting groove 96, the rotating block 92 structure can be limited, and then the rotating shaft 3 and the screw 4 structure can be limited. After the position of the positioning bar 7 is adjusted, the positioning bar 7 can be limited to prevent the force displacement of the positioning bar 7, thereby improving the adjustment accuracy of the positioning bar 7 and achieving a better use effect.

[0024] During the movement of the slide 5, the slide 5 drives the ball 85 to move, and the ball 85 drives the sliding along the guide rod 81. At the same time, when the ball 85 moves and contacts the sponge pad 84, it squeezes the sponge pad 84, so that the lubricating oil inside the sponge pad 84 is discharged, and the lubricating oil is discharged through the connecting groove 86. The lubricating oil flows to the screw 4 through the connecting groove 86, which can lubricate the slide 5 and the screw 4 structure, reduce wear, and avoid the trouble of manual lubrication. By pulling out the plug 83, and then adding lubricating oil to the sponge rod 82, the lubricating oil soaks the sponge rod 82. Through the contact between the sponge rod 82 and the sponge pad 84, the lubricating oil inside the sponge rod 82 can be absorbed, which is convenient for adding lubricating oil to the sponge pad 84.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning mechanism for a shearing machine, comprising a base (1), characterized in that: A cover plate (2) is fixedly mounted on the top of the base (1); a rotating shaft (3) is rotatably connected to the interior of the base (1) via a bearing; a screw rod (4) is fixedly connected to the right end of the rotating shaft (3); the screw rod (4) is rotatably connected to the base (1) via a bearing; a sliding seat (5) is threadedly connected to the outer side of the screw rod (4); a slider (6) is fixedly mounted on the top of the sliding seat (5); the sliding seat (5) and the slider (6) are both slidably connected to the cover plate (2); a positioning strip (7) is fixedly mounted on the top of the slider (6); a scale (10) is provided on the cover plate (2); a guide mechanism (8) is provided on the sliding seat (5); and a limiting mechanism (9) is provided on the rotating shaft (3).

2. The positioning mechanism of the angle shearing machine according to claim 1, characterized in that: The guide mechanism (8) comprises a guide rod (81), the guide rod (81) is slidably sleeved inside the slide seat (5), the guide rod (81) is fixedly connected to the inner wall of the base (1), a sponge rod (82) is fixedly connected inside the guide rod (81), the right end of the sponge rod (82) contacts a plug (83), the plug (83) is slidably connected to the guide rod (81), the plug (83) is snap-fitted to the base (1), a sponge pad (84) is fixedly connected inside the guide rod (81), the sponge pad (84) contacts the sponge rod (82) and the slide seat (5) respectively, a ball (85) is movably sleeved inside the slide seat (5), the ball (85) contacts the sponge pad (84), and a connecting groove (86) is provided inside the slide seat (5).

3. The positioning mechanism of the angle shearing machine according to claim 1, characterized in that: The limiting mechanism (9) comprises a fixed seat (91), the left end of the base (1) is fixedly connected to the fixed seat (91), the left end of the fixed seat (91) contacts a rotating block (92), the outer side of the rotating block (92) is fixedly connected to a handle (93), the right end of the rotating block (92) is fixedly connected to a block (94), the block (94) is movably connected to the fixed seat (91), the block (94) is slidably connected to the rotating shaft (3), a limiting groove (96) is provided inside the fixed seat (91), the limiting block (97) is slidably connected inside the limiting groove (96), a connecting disk (98) is fixedly connected to the outer side of the limiting block (97), the connecting disk (98) is movably connected to the fixed seat (91), and a spring (99) is provided inside the fixed seat (91).

4. The positioning mechanism of the angle shearing machine according to claim 1, characterized in that: A square groove (95) is provided inside the rotating shaft (3), and a square block (94) is slidably connected inside the square groove (95).

5. The positioning mechanism of the angle shearing machine according to claim 3, characterized in that: The number of the limiting grooves (96) is multiple, and the multiple limiting grooves (96) are annular and evenly distributed on the fixing seat (91).

6. The positioning mechanism of the angle shearing machine according to claim 3, characterized in that: One end of the spring (99) is in contact with the connecting plate (98), and the other end of the spring (99) is fixedly connected to the fixing seat (91).

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