Die accessory clamp for CNC machining

Abstract

The utility model discloses a CNC (computer numerical control) processing mould accessory clamp which comprises a mounting table and a bearing table, the bearing table is arranged above the mounting table, two groups of T-shaped blocks are symmetrically mounted at the bottom end of the bearing table, T-shaped grooves are symmetrically mounted at the top end of the mounting table, and the T-shaped blocks are in sliding connection with the T-shaped grooves. And two sets of locking pins are symmetrically arranged on the side wall of the mounting table, the locking pins penetrate through the mounting table and extend into the T-shaped block, an overturning table is arranged above the bearing table, an overturning shaft is arranged on the side, close to the bearing table, of the overturning table, and the overturning table is movably connected with the bearing table through the overturning shaft. According to the utility model, not only are convenient linkage centering, positioning, clamping and fixing of a workpiece and linkage adjustment of the angle of the workpiece realized, but also the fixture can be conveniently and quickly disassembled and assembled, the workpiece can be processed from different angles, and the convenience of workpiece placement, the convenience of fixture disassembly and assembly and the flexibility of workpiece processing are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, specifically is a mould accessory fixture of CNC processing. BACKGROUND

[0002] The fixture is the device that is used in the mechanical manufacturing process, fixes the processing object, makes it occupies the correct position to accept the construction or detects, the fixture usually is by positioning element, clamping device, tool setting guide element, indexing device, connecting element and fixture body etc. composition, the CNC control center is the program control system of computer numerical control machine tool, it can logically process the program with control code or other symbol instruction specification, through the computer and its code translation, thereby makes the machine tool executes the action that the good is specified, through the tool cutting will the blank material processing into semi-finished part, this greatly improves the productivity of mould processing, often needs to use the fixture to clamp the part that needs to be processed in the processing process, in order to better clamp and fix the part, so a kind of mould accessory fixture of CNC processing is presented.

[0003] As the authorized announcement number CN222002611U discloses a kind of mould accessory fixture of CNC processing, including base mechanism, adjusting mechanism and fixed mechanism, the adjusting mechanism is located at the top of base mechanism, the fixed mechanism includes the top of base mechanism, the fixed mechanism is located at the outer side of adjusting mechanism, the base mechanism includes bottom plate, the first sliding slot is opened in the top of bottom plate, installation slot is opened in the top of bottom plate around, installation screw is movably installed in the installation slot;

[0004] It is although realized by fixed plate and adjusting plate adjustment can make the material of different sizes be clamped and fixed by adjusting, make the use range wider, by second adjusting screw and third adjusting screw adjustment, make material extrusion more fixed, and ensure that material will not be off clamping when processing;

[0005] But it does not solve the existing fixture when using is not conducive to the linkage centering positioning clamping and fixing workpiece and linkage adjusting the angle of workpiece, is not conducive to the quick disassembly and assembly of fixture and the machining of workpiece from different angles, affects the convenience of workpiece placement and fixture disassembly and the flexibility of workpiece machining. INVENTION CONTENTS

[0006] The utility model aims at providing a kind of mould accessory fixture of CNC processing, to solve the problem of above-mentioned background art that the fixture is not convenient for the linkage centering positioning clamping and fixing workpiece and linkage adjusting the angle of workpiece, is not conducive to the quick disassembly and assembly of fixture and the machining of workpiece from different angles, affects the convenience of workpiece placement and fixture disassembly and the flexibility of workpiece machining.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a mould accessory anchor clamps of CNC processing, including installation platform and bearing platform, the top of installation platform is provided with bearing platform, the bottom of bearing platform is installed two groups T type blocks symmetrically, the top of installation platform is installed T type groove symmetrically, and T type block is connected with T type groove slidingly, the side wall of installation platform is provided with two groups locking pin symmetrically, and locking pin extends to the inside of T type block through installation platform, the top of bearing platform is provided with turnover platform, one side of turnover platform is provided with turnover shaft near bearing platform, and turnover platform is movably connected with bearing platform through turnover shaft, the side wall of bearing platform is movably installed with hydraulic cylinder, the output of hydraulic cylinder is installed with first push arm, one end of first push arm is provided with linkage shaft near turnover platform, and first push arm is movably connected with turnover platform through linkage shaft, and the top of turnover platform is installed with placing seat.

[0008] Preferably, the top of the placing seat is provided with four groups of limiting blocks at equal intervals, and the inside of the placing seat is provided with a gas cylinder.

[0009] Preferably, the output end of the gas cylinder is provided with a second push arm, and the surface of the second push arm is provided with a cross.

[0010] Preferably, the inside of the cross is provided with four groups of pull rods at equal intervals, and the pull rods are movably connected with the cross.

[0011] Preferably, the inside of the limiting block is provided with a clamping block, and the clamping block is movably connected with the limiting block.

[0012] Preferably, the pull rod penetrates the clamping block, and the pull rod is movably connected with the clamping block.

[0013] Preferably, the inner wall of the clamping block is symmetrically provided with a limiting pin, and the side wall of the pull rod is symmetrically provided with an inclined groove, and the inclined groove is movably connected with the limiting pin.

[0014] Preferably, the inside of the clamping block on one side of the pull rod is movably provided with a movable wheel, and the pull rod is movably connected with the movable wheel.

[0015] Compared with the prior art, the utility model has the advantages that: the anchor clamp not only realizes convenient linkage centering positioning clamping and fixing workpieces and linkage adjusting the angle of the workpieces, facilitates quick disassembly and assembly of the anchor clamp and machining of the workpieces from different angles, but also improves the convenience of workpiece placement and anchor clamp disassembly and the flexibility of workpiece machining.

[0016] (1) first align the T-shaped block to the T-shaped groove, move the bearing table, drive the T-shaped block to move inside the T-shaped groove by the bearing table, insert the locking pin into the installation table and the T-shaped block, tighten the locking pin, fix the T-shaped block in the installation table, and then fix the bearing table and the clamp on the installation table, when the clamp needs to be removed, reverse the above operation to remove it, place the workpiece at the center of the top of the seat, drive the second push arm to move down by the cylinder, drive the cross to move down by the second push arm, drive the pull rod to move down by the cross, under the sliding cooperation of the inclined groove and the limiting pin, and the pull rod is designed as a slope, in the process of moving down, the pull rod extrudes the movable wheel, the movable wheel drives the clamping block to slide inside the limiting block, to make multiple clamping blocks move to the center position synchronously, to make the clamping block contact the workpiece and clamp it, then operate the CNC to process the workpiece, realize the convenient linkage centering positioning and clamping of the workpiece, facilitate the quick disassembly and assembly of the clamp, improve the convenience of workpiece placement and clamp disassembly and assembly;

[0017] (2) drive the first push arm to move by the hydraulic cylinder, drive the turnover table to rotate around the turnover shaft by the first push arm through the linkage shaft, drive the seat, limiting block, clamping block and workpiece to rotate by the turnover table, to rotate and adjust the angle of the workpiece, and then process the workpiece from different angles, to improve the flexibility of workpiece processing, realize linkage adjustment of the angle of the workpiece, facilitate processing of the workpiece from different angles, and improve the flexibility of workpiece processing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a front view structure schematic view of the utility model;

[0020] Figure 3 It is a three-dimensional structure schematic view of the installation table of the utility model;

[0021] Figure 4 It is a three-dimensional perspective structure schematic view of the seat of the utility model;

[0022] Figure 5 It is a three-dimensional perspective structure schematic view of the limiting block of the utility model;

[0023] Figure 6 It is a front view cross-sectional structure schematic view of the limiting block of the utility model.

[0024] In the figure: 1, installation platform; 2, bearing platform; 3, limit block; 4, locking pin; 5, turnover shaft; 6, turnover platform; 7, placing seat; 8, T-shaped block; 9, hydraulic cylinder; 10, first push arm; 11, linkage shaft; 12, T-shaped groove; 13, air cylinder; 14, cross; 15, second push arm; 16, pull rod; 17, clamping block; 18, limit pin; 19, movable wheel; 20, inclined chute. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-6 The utility model provides an embodiment: a kind of mould fittings clamp of CNC processing, including installation platform 1 and bearing platform 2, the top of installation platform 1 is provided with bearing platform 2, the bottom end of bearing platform 2 is symmetrically equipped with two groups of T-shaped blocks 8, the top end of installation platform 1 is symmetrically equipped with T-shaped groove 12, and T-shaped block 8 is slidably connected with T-shaped groove 12, two groups of locking pins 4 are symmetrically arranged on the side wall of installation platform 1, and locking pin 4 extends to the inside of T-shaped block 8 by passing through installation platform 1, turnover platform 6 is provided on the top of bearing platform 2, turnover shaft 5 is provided on the side of turnover platform 6 close to bearing platform 2, and turnover platform 6 is movably connected with bearing platform 2 by turnover shaft 5, hydraulic cylinder 9 is movably installed on the side wall of bearing platform 2, and hydraulic cylinder 9 plays the role of power drive, the output end of hydraulic cylinder 9 is equipped with first push arm 10, linkage shaft 11 is arranged on the end of first push arm 10 close to turnover platform 6, and first push arm 10 is movably connected with turnover platform 6 by linkage shaft 11, and the top of turnover platform 6 is equipped with placing seat 7;

[0027] The mounting table 1 is installed in the CNC machining center, first, the T-shaped block 8 is aligned with the T-shaped groove 12, the carrier table 2 is moved, the T-shaped block 8 is moved in the T-shaped groove 12 driven by the carrier table 2, the locking pin 4 is inserted into the mounting table 1 and the T-shaped block 8, the locking pin 4 is tightened to fix the T-shaped block 8 in the mounting table 1, and then the carrier table 2 and the clamp are fixed on the mounting table 1, when the clamp needs to be removed, the above operation is repeated in reverse to remove it, the workpiece is placed at the center position of the top end of the placing seat 7, the cylinder 13 is opened, the second push arm 15 is moved downward driven by the cylinder 13, the cross 14 is moved downward driven by the second push arm 15, the pull rod 16 is moved downward driven by the cross 14, under the sliding cooperation of the inclined groove 20 and the limiting pin 18, and the design of the pull rod 16 is inclined, in the process of moving downward of the pull rod 16, the movable wheel 19 is extruded by the pull rod 16, the clamping block 17 is slid in the limiting block 3 driven by the movable wheel 19, to make a plurality of clamping blocks 17 move synchronously to the center position, to make the clamping block 17 contact the outer wall of the workpiece and clamp and fix the workpiece, then operate the CNC to process the workpiece, which realizes the convenient linkage centering positioning and clamping of the workpiece, facilitates the quick disassembly and assembly of the clamp, and improves the convenience of workpiece placement and clamp disassembly and assembly;

[0028] The top end of the placing seat 7 is provided with four groups of limiting blocks 3 at equal intervals, and the inside of the placing seat 7 is provided with a cylinder 13, which serves as a power driver.

[0029] The inside of the cross 14 is provided with four groups of pull rods 16 at equal intervals, and the pull rods 16 are movably connected with the cross 14, and the inside of the limiting block 3 is provided with a clamping block 17, and the clamping block 17 is slidably connected with the limiting block 3.

[0030] The pull rod 16 penetrates the clamping block 17, and the pull rod 16 is slidably connected with the clamping block 17, and the inner wall of the clamping block 17 is symmetrically provided with a limiting pin 18, and the side wall of the pull rod 16 is symmetrically provided with an inclined groove 20, and the inclined groove 20 is slidably connected with the limiting pin 18, and the inside of the clamping block 17 on one side of the pull rod 16 is movably provided with a movable wheel 19, and the pull rod 16 is slidably connected with the movable wheel 19.

[0031] When the processing angle of the workpiece needs to be adjusted, the hydraulic cylinder 9 is opened, the first push arm 10 is moved driven by the hydraulic cylinder 9, the turnover table 6 is rotated around the turnover shaft 5 driven by the first push arm 10 through the linkage shaft 11, the placing seat 7, the limiting block 3, the clamping block 17 and the workpiece are rotated driven by the turnover table 6, to rotate and adjust the angle of the workpiece, and then the workpiece is processed from different angles, to improve the flexibility of workpiece processing, which realizes linkage adjustment of the angle of the workpiece, facilitates processing of the workpiece from different angles, and improves the flexibility of workpiece processing.

[0032] Working principle: Install the installation table 1 in the CNC machining center, first align the T-shaped block 8 to the T-shaped groove 12, move the bearing table 2, drive the T-shaped block 8 to move inside the T-shaped groove 12 by the bearing table 2, insert the locking pin 4 into the installation table 1 and insert it into the T-shaped block 8, tighten the locking pin 4 to fix the T-shaped block 8 inside the installation table 1, and then fix the bearing table 2 and the clamp on the installation table 1, when you need to remove the clamp, repeat the above operation in reverse to remove it, place the workpiece at the center position at the top of the seat 7, drive the second push arm 15 to move downward by the cylinder 13, drive the cross 14 to move downward by the second push arm 15, drive the pull rod 16 to move downward by the cross 14, under the sliding cooperation of the inclined groove 20 and the limit pin 18, and the design of the pull rod 16 is inclined, in the process of moving downward, the movable wheel 19 is extruded by the pull rod 16, the clamping block 17 is driven to slide inside the limit block 3 by the movable wheel 19, to make multiple sets of clamping blocks 17 move synchronously to the center position, to make the clamping block 17 contact the workpiece outer wall and clamp and fix the workpiece, then operate the CNC to process the workpiece, when you need to adjust the processing angle of the workpiece, drive the first push arm 10 to move by the hydraulic cylinder 9, drive the turnover table 6 to rotate around the overturning shaft 5 by the first push arm 10 through the connecting shaft 11, drive the seat 7, limit block 3, clamping block 17 and workpiece to rotate by the turnover table 6, to rotate and adjust the angle of the workpiece, and then process the workpiece from different angles, the above is the whole use of the mold accessory clamp of CNC machining.

Claims

1. A mould fitting clamp for CNC machining, comprising a mounting table (1) and a carrier table (2), characterised in that: The upper portion of the mounting table (1) is provided with a bearing table (2), the bottom end of the bearing table (2) is symmetrically provided with two groups of T-shaped blocks (8), the top end of the mounting table (1) is symmetrically provided with T-shaped grooves (12), and the T-shaped blocks (8) and the T-shaped grooves (12) are in sliding connection, the side wall of the mounting table (1) is symmetrically provided with two groups of locking pins (4), and the locking pins (4) extend to the inside of the T-shaped blocks (8) through the mounting table (1), the upper portion of the bearing table (2) is provided with a turnover table (6), one side of the turnover table (6) close to the bearing table (2) is provided with a turnover shaft (5), and the turnover table (6) is movably connected with the bearing table (2) through the turnover shaft (5), the side wall of the bearing table (2) is movably provided with a hydraulic cylinder (9), the output end of the hydraulic cylinder (9) is provided with a first push arm (10), one end of the first push arm (10) close to the turnover table (6) is provided with a linkage shaft (11), and the first push arm (10) is movably connected with the turnover table (6) through the linkage shaft (11), and the top end of the turnover table (6) is provided with a placing seat (7).

2. A mold fitting clamp for CNC machining according to claim 1, characterized in that: The top end of the placing seat (7) is provided with four groups of limiting blocks (3) at equal intervals, and the inside of the placing seat (7) is provided with a gas cylinder (13).

3. A mold fitting clamp for CNC machining according to claim 2, characterized in that: The output end of the gas cylinder (13) is provided with a second push arm (15), and the surface of the second push arm (15) is provided with a cross (14).

4. A mold fitting clamp for CNC machining according to claim 3, characterized in that: The inside of the cross (14) is provided with four groups of pull rods (16) at equal intervals, and the pull rods (16) are movably connected with the cross (14).

5. A mold fitting clamp for CNC machining according to claim 2, characterized in that: The inside of the limiting block (3) is provided with a clamping block (17), and the clamping block (17) is in sliding connection with the limiting block (3).

6. A mold fitting clamp for CNC machining according to claim 4, characterized in that: The pull rod (16) penetrates the clamping block (17), and the pull rod (16) is in sliding connection with the clamping block (17).

7. A mold fitting clamp for CNC machining according to claim 5, characterized in that: The inner wall of the clamping block (17) is symmetrically provided with a limiting pin (18), the side wall of the pull rod (16) is symmetrically provided with an inclined groove (20), and the inclined groove (20) is in sliding connection with the limiting pin (18).

8. A mold fitting clamp for CNC machining according to claim 4, characterized in that: The inside of the clamping block (17) on one side of the pull rod (16) is movably provided with a movable wheel (19), and the pull rod (16) is in sliding connection with the movable wheel (19).

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