Metal piece CNC machining positioning tool

Abstract

The utility model discloses a metal piece CNC machining positioning tool which comprises a mounting base, a sliding groove is formed in the top of the mounting base, a threaded rod is rotationally connected into the sliding groove, a fixing plate is fixedly arranged on the surface of the threaded rod in a sleeved mode, a positioning groove is formed in the surface of the fixing plate, and the positioning groove is fixedly connected with the threaded rod in a sleeved mode. A rotating base is fixedly connected to the side, close to the fixing plate, of the mounting base, and a positioning plate is rotationally connected into the rotating base. When a metal piece is positioned, a control handle is pressed inwards, so that a positioning plate rotates in a rotating base, a first spring is extruded and contracted, after the positioning plate rotates by a certain angle, the positioning plate is separated from a positioning groove of a fixing plate, a threaded rod can rotate freely, and after the position of the metal piece is fixed, the control handle is loosened, and the positioning plate is separated from the positioning groove of the fixing plate. And the positioning plate returns to the original position under the elastic action of the first spring and is clamped in the positioning groove again, so that the metal piece is prevented from being loosened due to accidental touch.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal piece processing technical field, concretely is a kind of metal piece CNC machining positioning tool. BACKGROUND

[0002] CNC machining refers to the precision machining of computer digital control, when processing metal parts, to ensure the stability effect in the processing, positioning tool is generally used before processing.

[0003] According to the positioning tool for precision parts of CNC machining disclosed by the publication number CN217667873U, when using the utility model, the workpiece to be fixed is placed between the fixed block and the first side block, then the movable ring is rotated by hand, thereby rotating the threaded rod, and the fixed block is driven to move towards the first side block by the threaded rod, so as to clamp and fix the workpiece, thereby achieving the positioning effect of the workpiece. When the workpiece is processed, the debris falling into the limiting groove will be pushed out from both ends of the limiting groove due to the pushing of the limiting strip at the bottom of the fixed block when the fixed block moves, thereby improving the convenience of debris cleaning. When the fixed block and the workpiece to be fixed are not compatible, the mounting disc is detached from the side of the fixed block after the fixed bolt is unscrewed. At this time, the fixed block can be taken off from the positioning tool alone, and then the positioning tool suitable for the workpiece is replaced. Since the way of detaching the fixed block alone has a large difference in weight compared with replacing the entire tool clamp, the labor intensity of the workers is reduced.

[0004] The above-mentioned handle and fixed block can realize the positioning of the workpiece, but after the workpiece is positioned, the handle is exposed to the outside, which is easy to be accidentally touched, causing the fixed block and the workpiece to loosen, and thus affecting the stability of the workpiece during processing. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a metal piece CNC machining positioning tool to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a metal piece CNC machining positioning tool, comprising a mounting base, a sliding groove is formed in the top of the mounting base, a threaded rod is rotatably connected inside the sliding groove, a fixed plate is fixedly sleeved on the surface of the threaded rod, a positioning groove is formed in the surface of the fixed plate, a rotating base is fixedly connected to one side of the mounting base close to the fixed plate, a positioning plate is rotatably connected inside the rotating base, a control handle is fixedly connected to one side of the positioning plate away from the fixed plate, and a first spring is fixedly connected to one side of the control handle close to the mounting base.

[0007] As a further preferred aspect of the present technical solution, the fixing plate is located outside the mounting base, a plurality of positioning grooves are provided, the plurality of positioning grooves are matched with the positioning plate, and the first spring is fixedly connected with the mounting base.

[0008] As a further preferred aspect of the present technical solution, the threaded rod is fixedly connected with a rotating handle at an end away from the mounting base, a sliding block is threadedly connected to the surface of the threaded rod, a moving frame is fixedly connected to the top end of the sliding block, a first rotating plate is rotatably connected to the inside of the moving frame, a positioning roller is rotatably connected to the side of the first rotating plate away from the moving frame, a connecting block is fixedly connected to the side of the first rotating plate close to the threaded rod, a second rotating plate is rotatably connected to the inside of the connecting block, and a second spring is fixedly connected to the side of the second rotating plate away from the first rotating plate.

[0009] As a further preferred aspect of the present technical solution, the number of the first rotating plates is four, the number of the positioning rollers corresponds to that of the first rotating plates, shafts are arranged on the upper and lower sides of the positioning roller, the number of the second rotating plates is two, and the second spring is located between the two second rotating plates.

[0010] As a further preferred aspect of the present technical solution, the top end of the mounting base is fixedly connected with a fixing clamp plate, the bottom end of the mounting base is fixedly connected with a bottom plate, the top end of the bottom plate is fixedly connected with a mounting frame, the front surface of the mounting frame is fixedly connected with a rotating motor, the output end of the rotating motor is fixedly connected with a connecting shaft, and the surface of the connecting shaft is fixedly connected with a dust absorption plate.

[0011] As a further preferred aspect of the present technical solution, the side of the fixing clamp plate close to the moving frame is provided with a V-shaped groove, the connecting shaft is rotatably connected with the mounting frame, and the bottom of the dust absorption plate is provided with a plurality of dust absorption pipes.

[0012] As a further preferred aspect of the present technical solution, the top end of the bottom plate is fixedly connected with a dust collection box, the side of the dust collection box away from the mounting base is fixedly connected with a fan, the inside of the dust collection box is provided with a filter screen, and the top end of the dust collection box is fixedly connected with a connecting pipe.

[0013] The utility model provides a kind of metal piece CNC machining positioning tool, with the following beneficial effects:

[0014] (1) the utility model discloses when positioning to metal piece, inwards press control handle, make positioning plate rotate in rotating base, first spring is extruded and shrinks, after rotating a certain angle, positioning plate is separated from the positioning groove of fixed plate, threaded rod can be freely rotated, after the position of metal piece is fixed, release control handle, positioning plate is returned to original position under the elastic force of first spring, and is clamped in positioning groove again, to avoid that metal piece appears loose by mistake.

[0015] (2)The utility model discloses through rotating handle, make threaded rod rotate, and the slider drives the movement frame to move and close to fixed clamping plate, after moving a certain distance, the positioning roller is contacted with the metal piece and produces extrusion, and the first rotating plate of movement frame both sides rotates and is far away from each other, and the second rotating plate rotates in the connecting block, and the included angle between two second rotating plates changes, and the second spring length is stretched, and the angle of first rotating plate and movement frame is changed and adapts the metal piece of different shape, thereby improve the adaptation range of positioning tooling. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the right side structure schematic diagram of the utility model;

[0018] Figure 3 It is the overhead structure schematic diagram of the utility model's installation base;

[0019] Figure 4 It is the Figure 3 It is the structure enlarged diagram of A place in the utility model;

[0020] Figure 5 It is the cross section structure schematic diagram of the utility model's dust collecting box.

[0021] In the drawing: 1, installation base;2, sliding slot;3, threaded rod;4, fixed plate;5, positioning groove;6, rotating base;7, positioning plate;8, control handle;9, first spring;10, rotating handle;11, slider;12, movement frame;13, first rotating plate;14, positioning roller;15, connecting block;16, second rotating plate;17, second spring;18, fixed clamping plate;19, bottom plate;20, mounting frame;21, rotary motor;22, connecting shaft;23, dust absorption plate;24, dust collecting box;25, fan;26, filter screen;27, connecting pipe. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0023] The utility model provides technical scheme: such as Figure 1 And Figure 5As shown, in this embodiment, a metal piece CNC machining positioning tool includes a mounting base 1, a sliding groove 2 is opened on the top of the mounting base 1, a threaded rod 3 is rotatably connected inside the sliding groove 2, a fixed plate 4 is fixedly sleeved on the surface of the threaded rod 3, a positioning groove 5 is opened on the surface of the fixed plate 4, a rotating base 6 is fixedly connected to one side of the mounting base 1 close to the fixed plate 4, a positioning plate 7 is rotatably connected inside the rotating base 6, a control handle 8 is fixedly connected to one side of the positioning plate 7 away from the fixed plate 4, and a first spring 9 is fixedly connected to one side of the control handle 8 close to the mounting base 1.

[0024] When positioning the metal piece, the control handle 8 is pressed inward, the positioning plate 7 rotates in the rotating base 6, the first spring 9 is squeezed and contracted, after rotating a certain angle, the positioning plate 7 is separated from the positioning groove 5 of the fixed plate 4, the threaded rod 3 can be freely rotated, after the position of the metal piece is fixed, the control handle 8 is loosened, the positioning plate 7 returns to the original position under the elastic force of the first spring 9, and is clamped in the positioning groove 5 again, so that the metal piece is prevented from loosening due to accidental touch.

[0025] The fixed plate 4 is located outside the mounting base 1, the number of the positioning grooves 5 is set to be multiple, the multiple positioning grooves 5 are matched with the positioning plate 7, and the first spring 9 is fixedly connected with the mounting base 1.

[0026] One end of the threaded rod 3 away from the mounting base 1 is fixedly connected with a rotating handle 10, the surface of the threaded rod 3 is threadedly connected with a sliding block 11, the top end of the sliding block 11 is fixedly connected with a moving frame 12, the inside of the moving frame 12 is rotatably connected with a first rotating plate 13, the side of the first rotating plate 13 away from the moving frame 12 is rotatably connected with a positioning roller 14, the side of the first rotating plate 13 close to the threaded rod 3 is fixedly connected with a connecting block 15, the inside of the connecting block 15 is rotatably connected with a second rotating plate 16, and the side of the second rotating plate 16 away from the first rotating plate 13 is fixedly connected with a second spring 17.

[0027] By rotating the rotating handle 10, the threaded rod 3 is rotated, the sliding block 11 drives the moving frame 12 to move and approach the fixed clamping plate 18, after moving a certain distance, the positioning roller 14 contacts and extrudes the metal piece, the first rotating plates 13 on both sides of the moving frame 12 rotate and move away from each other, the second rotating plate 16 rotates in the connecting block 15, the included angle between the two second rotating plates 16 changes, and the length of the second spring 17 is stretched, so that the angle between the first rotating plate 13 and the moving frame 12 is changed to adapt to metal pieces of different shapes, thereby improving the adaptation range of the positioning tool.

[0028] The number of the first rotating plates 13 is set to be four, the number of the positioning rollers 14 corresponds to that of the first rotating plates 13, the upper and lower sides of the positioning roller 14 are both provided with rotating shafts, the number of the second rotating plates 16 is set to be two, and the second spring 17 is located between the two second rotating plates 16.

[0029] The top end of the mounting base 1 is fixedly connected with a fixed clamping plate 18, the bottom end of the mounting base 1 is fixedly connected with a bottom plate 19, the top end of the bottom plate 19 is fixedly connected with a mounting frame 20, the front surface of the mounting frame 20 is fixedly connected with a rotary motor 21, the output end of the rotary motor 21 is fixedly connected with a connecting shaft 22, and the surface of the connecting shaft 22 is fixedly connected with a dust absorption plate 23.

[0030] The side, close to the moving frame 12, of the fixed clamping plate 18 is provided with a V-shaped groove, the connecting shaft 22 is rotationally connected with the mounting frame 20, and the bottom of the dust absorption plate 23 is provided with a plurality of dust absorption pipes.

[0031] The top end of the bottom plate 19 is fixedly connected with a dust collecting box 24, the side, away from the mounting base 1, of the dust collecting box 24 is fixedly connected with a fan 25, the inside of the dust collecting box 24 is provided with a filter screen 26, and the top end of the dust collecting box 24 is fixedly connected with a connecting pipe 27.

[0032] By starting the fan 25, a negative pressure suction force is formed in the dust collecting box 24, so that the generated chippings are sucked into the dust collecting box 24, and the fan 25 and the chippings are separated by the filter screen 26, so as to prevent the damage to the fan 25, the connecting shaft 22 drives the dust absorption plate 23 to rotate by starting the rotary motor 21, so as to adjust the angle of dust absorption, and further change the working range of the dust absorption plate 23.

[0033] The utility model provides a kind of metal piece CNC machining positioning tool, specific working principle is as follows:

[0034] When using, the metal piece is placed on the mounting base 1, the control handle 8 is pressed inward, the positioning plate 7 is rotated in the rotating base 6, the first spring 9 is extruded and shrunk, after rotating a certain angle, the positioning plate 7 is separated from the positioning slot 5 of the fixed plate 4, the rotating handle 10 is rotated, the threaded rod 3 is rotated, the sliding block 11 drives the moving frame 12 to move and approach the fixed clamping plate 18, after moving a certain distance, the positioning roller 14 contacts with the metal piece and extrusion, the first rotating plate 13 on both sides of the moving frame 12 is rotated and away from each other, the second rotating plate 16 is rotated in the connecting block 15, after the opening angle between the two first rotating plates 13 is increased to a certain angle, the two sides of the metal piece can be fixed, and the positioning of the metal piece with the fixed clamping plate 18 is realized, when the metal piece is processed, the fan 25 is started, the negative pressure suction force is formed in the dust collecting box 24, so that the generated chippings are sucked into the dust collecting box 24, and the unified processing is facilitated.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A metal piece CNC machining positioning tooling, comprising a mounting base (1), characterized in that: The top of the mounting base (1) is provided with a sliding groove (2), a threaded rod (3) is rotationally connected in the sliding groove (2), a fixed plate (4) is fixedly connected to the surface of the threaded rod (3), a positioning groove (5) is formed in the surface of the fixed plate (4), a rotating base (6) is fixedly connected to the side of the mounting base (1) close to the fixed plate (4), a positioning plate (7) is rotationally connected in the rotating base (6), a control handle (8) is fixedly connected to the side of the positioning plate (7) away from the fixed plate (4), and a first spring (9) is fixedly connected to the side of the control handle (8) close to the mounting base (1).

2. The CNC machining positioning tool for metal parts according to claim 1, characterized in that: The fixed plate (4) is located outside the mounting base (1), a plurality of positioning grooves (5) are formed, the plurality of positioning grooves (5) are matched with the positioning plate (7), and the first spring (9) is fixedly connected to the mounting base (1).

3. The CNC machining positioning tool for metal parts according to claim 1, characterized in that: One end of the threaded rod (3) away from the mounting base (1) is fixedly connected with a rotating handle (10), a sliding block (11) is threadedly connected to the surface of the threaded rod (3), a moving frame (12) is fixedly connected to the top end of the sliding block (11), a first rotating plate (13) is rotationally connected in the moving frame (12), a positioning roller (14) is rotationally connected to the side of the first rotating plate (13) away from the moving frame (12), a connecting block (15) is fixedly connected to the side of the first rotating plate (13) close to the threaded rod (3), a second rotating plate (16) is rotationally connected in the connecting block (15), and a second spring (17) is fixedly connected to the side of the second rotating plate (16) away from the first rotating plate (13).

4. The CNC machining positioning tool for metal pieces according to claim 3, characterized in that: The number of the first rotating plate (13) is four, the number of the positioning roller (14) corresponds to that of the first rotating plate (13), shafts are arranged on the upper and lower sides of the positioning roller (14), the number of the second rotating plate (16) is two, and the second spring (17) is located between the two second rotating plates (16).

5. The CNC machining positioning tool for metal parts according to claim 1, characterized in that: The top end of the mounting base (1) is fixedly connected with a fixed clamping plate (18), the bottom end of the mounting base (1) is fixedly connected with a bottom plate (19), the top end of the bottom plate (19) is fixedly connected with a mounting frame (20), the front surface of the mounting frame (20) is fixedly connected with a rotary motor (21), the output end of the rotary motor (21) is fixedly connected with a connecting shaft (22), and the surface of the connecting shaft (22) is fixedly connected with a dust collection plate (23).

6. The CNC machining positioning tool for metal pieces according to claim 5, characterized in that: The side of the fixed clamping plate (18) close to the moving frame (12) is provided with a V-shaped groove, the connecting shaft (22) is rotationally connected with the mounting frame (20), and the bottom of the dust collection plate (23) is provided with a plurality of dust collection pipes.

7. The CNC machining positioning tool for metal pieces according to claim 5, characterized in that: The top end of the bottom plate (19) is fixedly connected with a dust collection box (24), the side of the dust collection box (24) away from the mounting base (1) is fixedly connected with a fan (25), the inside of the dust collection box (24) is provided with a filter screen (26), and the top end of the dust collection box (24) is fixedly connected with a connecting pipe (27).

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