Universal workpiece positioner

Abstract

The utility model discloses a universal workpiece positioner, which relates to the technical field of workpiece positioners, and comprises a mounting seat, a T-shaped positioning block is mounted at the lower end of the mounting seat, a first adjusting arm is mounted at the upper end of the mounting seat, a second adjusting arm is mounted at one end of the first adjusting arm, and the other end of the second adjusting arm is connected with the T-shaped positioning block. One end of the second adjusting arm is provided with an adjusting block, the outer wall of the adjusting block is provided with a clamping seat, the clamping seat is rotatably connected with the adjusting block, one end of the first adjusting arm is internally provided with a screw hole, and one end of the second adjusting arm is internally provided with a bolt positioning hole; a second inner hexagon bolt is installed in the bolt positioning hole, the second adjusting arm is in threaded connection with the screw hole in the first adjusting arm through the second inner hexagon bolt, and according to the scheme, the problems that in the using process of an existing device, a single-arm adjusting structure is adopted, the adjustable range is limited, and flexibility is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece positioner technical field, specifically is a universal workpiece positioner. BACKGROUND

[0002] Milling machine is a kind of machine tool with wide application, can be used to process plane, groove, gear parts and various curved surfaces, milling machine when working, workpiece is mounted on workbench, milling cutter rotation is main movement, auxiliary to the feed movement of workbench or milling head, workpiece can obtain the required machining surface, before milling work starts, workpiece needs to be positioned and clamped;

[0003] In addition to relying on the bench vice to position the workpiece during positioning, a universal workpiece positioner is also needed to cooperate with the workpiece positioning, such as the workpiece positioner for milling machine numerical control machining center disclosed in the patent No. CN208196288U, which comprises a universal joint, a positioning rod, a main body, an inner hexagonal screw, a T-shaped block, a rotating seat, the rotating seat is similar to a four-prism and its structure is trapezoidal, and an arc-shaped notch is arranged on the top surface of the rotating seat, a threaded hole is vertically arranged in the middle of the arc-shaped notch, and the universal joint is fixed in the threaded hole by the inner hexagonal screw, and the main body is rotatably installed on the universal joint.

[0004] However, the above-mentioned device has limited adjustable range and low flexibility during use due to the single-arm adjusting structure, so we propose a universal workpiece positioner to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a universal workpiece positioner to solve the problem of limited adjustable range and low flexibility of the existing device during use due to the single-arm adjusting structure as mentioned in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a universal workpiece positioner, comprising a mounting seat, a T-shaped positioning block is installed at the lower end of the mounting seat, a first adjusting arm is installed at the upper end of the mounting seat, a second adjusting arm is installed at one end of the first adjusting arm, an adjusting block is installed at one end of the second adjusting arm, a clamping seat is installed on the outer wall of the adjusting block, and the clamping seat is rotatably connected with the adjusting block.

[0007] Preferably, a screw hole is arranged in the inner part of one end of the first adjusting arm, a bolt positioning hole is arranged in the inner part of one end of the second adjusting arm, a second inner hexagonal bolt is installed in the inner part of the bolt positioning hole, and the second adjusting arm is threadedly connected with the screw hole on the first adjusting arm through the second inner hexagonal bolt.

[0008] Preferably, the inner wall of one end of the first adjusting arm is provided with protruding teeth, the protruding teeth are provided in plurality and are arranged in an array in a ring shape, the inner wall of one end of the second adjusting arm is provided with tooth grooves, the tooth grooves are provided in plurality and are arranged in an array in a ring shape, and the first adjusting arm is connected with the tooth grooves on the second adjusting arm through the protruding teeth.

[0009] Preferably, the first adjusting arm is rotatably connected with the mounting base through a first rotary joint, the second adjusting arm is rotatably connected with the adjusting block through a second rotary joint, and the first rotary joint and the second rotary joint are both provided with first inner hexagonal bolts at the connection positions with the mounting base and the adjusting block.

[0010] Preferably, the inside of the clamping seat is provided with a positioning rod clamping hole, and one side of the positioning rod clamping hole is provided with a contraction groove.

[0011] Preferably, the outer wall of the clamping seat is provided with a locking handle, the inner side of the locking handle is provided with a lead screw, and one end of the lead screw penetrates through the clamping seat and extends into the inside of the positioning rod clamping hole.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses a double-arm adjusting mechanism, one end of the first adjusting arm is rotatably connected with the second adjusting arm, the first adjusting arm is rotatably connected with the mounting base through a first rotary joint, the end of the second adjusting arm is rotatably connected with the adjusting block through a second rotary joint, the adjusting block is provided with a clamping seat rotatable horizontally, and the transmission structure can flexibly adjust the position of the positioning rod, so that the workpiece positioner can better cooperate with the vice to position the side edge of the workpiece, and the problem of limited adjustable range and low flexibility of the single-arm adjusting structure in the prior art is solved.

[0014] 2. To ensure the stability of the connection of the double-arm structure, the connection of the first adjusting arm and the second adjusting arm adopts a protruding tooth and tooth groove meshing structure, and after meshing, the second inner hexagonal bolt is locked and fixed to ensure the fixing stability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a rear side structure schematic view of the utility model;

[0017] Figure 3 It is a first adjusting arm and second adjusting arm separation state structure schematic view of the utility model;

[0018] In the figure: 1, mounting seat; 2, T-shaped positioning block; 3, first adjusting arm; 4, second adjusting arm; 5, adjusting block; 6, clamping seat; 7, first rotary joint; 8, second rotary joint; 9, positioning rod clamping hole; 10, contraction groove; 11, locking handle; 12, first inner hexagonal bolt; 13, second inner hexagonal bolt; 14, protruding tooth; 15, threaded hole; 16, tooth groove; 17, bolt positioning hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Please refer to Figures 1-3 An embodiment provided by the utility model: a universal workpiece positioner, comprising a mounting seat 1, a T-shaped positioning block 2 is installed at the lower end of the mounting seat 1, a first adjusting arm 3 is installed at the upper end of the mounting seat 1, one end of the first adjusting arm 3 is provided with a second adjusting arm 4, one end of the second adjusting arm 4 is provided with an adjusting block 5, a clamping seat 6 is installed on the outer wall of the adjusting block 5, and the clamping seat 6 is rotationally connected with the adjusting block 5.

[0021] Please refer to Figure 3 The inner part of one end of the first adjusting arm 3 is provided with a threaded hole 15, the inner part of one end of the second adjusting arm 4 is provided with a bolt positioning hole 17, a second inner hexagonal bolt 13 is installed in the inner part of the bolt positioning hole 17, the second adjusting arm 4 is threadedly connected with the threaded hole 15 on the first adjusting arm 3 through the second inner hexagonal bolt 13, one end of the second adjusting arm 4 can rotate along the first adjusting arm 3, and after rotation, the second inner hexagonal bolt 13 can be locked to realize fixation.

[0022] Please refer to Figure 3 The inner wall of one end of the first adjusting arm 3 is provided with a protruding tooth 14, a plurality of protruding teeth 14 are arranged, and the plurality of protruding teeth 14 are arranged in an array annularly, the inner wall of one end of the second adjusting arm 4 is provided with a tooth groove 16, a plurality of tooth grooves 16 are arranged, and the plurality of tooth grooves 16 are arranged in an array annularly, the first adjusting arm 3 is meshingly connected with the tooth groove 16 on the second adjusting arm 4 through the protruding tooth 14, the meshing structure of the protruding tooth 14 and the tooth groove 16 is adopted at the connecting position of the first adjusting arm 3 and the second adjusting arm 4, and when locked through the second inner hexagonal bolt 13, the fixation stability can be further improved.

[0023] Please refer to Figure 1 and Figure 2The first adjusting arm 3 is rotatably connected with the mounting base 1 through a first rotating joint 7, and the second adjusting arm 4 is rotatably connected with the adjusting block 5 through a second rotating joint 8, first inner hexagonal bolts 12 are arranged at the connecting positions of the first rotating joint 7 and the second rotating joint 8 and the mounting base 1 and the adjusting block 5, the first adjusting arm 3 can rotate along the mounting base 1 through the first rotating joint 7, and the adjusting block 5 can rotate along the second adjusting arm 4 through the second rotating joint 8, so that the angle of the positioner is adjusted.

[0024] Please refer to Figure 1 The inside of the clamping seat 6 is provided with a positioning rod clamping hole 9, one side of the positioning rod clamping hole 9 is provided with a contraction groove 10, a locking handle 11 is arranged on the outer wall of the clamping seat 6, the inside of the locking handle 11 is provided with a screw rod, one end of the screw rod penetrates through the clamping seat 6 and extends into the inside of the positioning rod clamping hole 9, after the positioning rod is inserted into the positioning rod clamping hole 9, the locking handle 11 is rotated to drive the screw rod to extend and press the positioning rod to fix the positioning rod.

[0025] Working principle: when in use, first, the workpiece is fixed in the jaw of the milling machine vise, then the slide of the positioner is inserted into the T-shaped groove of the milling machine workbench through the T-shaped positioning block 2, when positioning, the positioning rod is fixed in the positioning rod clamping hole 9, the clamping seat 6 can rotate horizontally relative to the adjusting block 5, the first adjusting arm 3 can rotate along the mounting base 1 through the first rotating joint 7, one end of the first adjusting arm 3 is rotatably connected with the second adjusting arm 4, in order to ensure the stability of the connecting position of the double-arm structure, the connecting position of the first adjusting arm 3 and the second adjusting arm 4 adopts the meshing structure of the convex tooth 14 and the tooth groove 16, after meshing, the second inner hexagonal bolt 13 is locked and fixed to ensure the fixing stability, the adjusting block 5 rotates with the second adjusting arm 4 through the second rotating joint 8, based on the cooperation of the above transmission structure, the position of the positioning rod can be flexibly adjusted to cooperate with the vise to position the side edge of the workpiece.

[0026] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A universal workpiece positioner comprising a mounting base (1) characterised in that: The lower end of the mounting base (1) is provided with a T-shaped positioning block (2), the upper end of the mounting base (1) is provided with a first adjusting arm (3), one end of the first adjusting arm (3) is provided with a second adjusting arm (4), one end of the second adjusting arm (4) is provided with an adjusting block (5), the outer wall of the adjusting block (5) is provided with a clamping seat (6), and the clamping seat (6) is rotationally connected with the adjusting block (5).

2. A universal workpiece positioner according to claim 1, wherein: The inner wall of one end of the first adjusting arm (3) is provided with a screw hole (15), the inner wall of one end of the second adjusting arm (4) is provided with a bolt positioning hole (17), the inner wall of the bolt positioning hole (17) is provided with a second inner hexagonal bolt (13), and the second adjusting arm (4) is threadedly connected with the screw hole (15) on the first adjusting arm (3) through the second inner hexagonal bolt (13).

3. A universal workpiece positioner according to claim 1 wherein: The inner wall of one end of the first adjusting arm (3) is provided with a plurality of protruding teeth (14), the plurality of protruding teeth (14) are arranged in an array and annularly distributed, the inner wall of one end of the second adjusting arm (4) is provided with a plurality of tooth grooves (16), the plurality of tooth grooves (16) are arranged in an array and annularly distributed, and the first adjusting arm (3) is connected with the second adjusting arm (4) through the engagement of the protruding teeth (14) and the tooth grooves (16).

4. A universal workpiece positioner according to claim 1 wherein: The first adjusting arm (3) is rotationally connected with the mounting base (1) through a first rotating joint (7), the second adjusting arm (4) is rotationally connected with the adjusting block (5) through a second rotating joint (8), and the first rotating joint (7) and the second rotating joint (8) are provided with a first inner hexagonal bolt (12) at the connection positions of the first rotating joint (7) and the second rotating joint (8) with the mounting base (1) and the adjusting block (5).

5. A universal workpiece positioner according to claim 1 wherein: The inner wall of the clamping seat (6) is provided with a positioning rod clamping hole (9), and one side of the positioning rod clamping hole (9) is provided with a contraction groove (10).

6. A universal workpiece positioner according to claim 5, wherein: The outer wall of the clamping seat (6) is provided with a locking handle (11), the inner wall of the locking handle (11) is provided with a lead screw, and one end of the lead screw penetrates through the clamping seat (6) and extends into the positioning rod clamping hole (9).

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