CN213318893U

CN213318893U - Positioning fixture for milling machine

Info

Publication number: CN213318893U
Application number: CN202021646406.4U
Authority: CN
Inventors: 王仁广; 覃熙淮; 薛祖乐; 王铁成; 姚宇超
Original assignee: Suzhou Meifeng Machining Co ltd
Current assignee: Suzhou Meifeng Machining Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-06-01
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a positioning fixture for milling machine relates to the positioning fixture field, both sides including location platform top all are provided with first clamp splice, the first stopper of bottom fixedly connected with of first clamp splice, the inner chamber of location platform is provided with two-way lead screw, and the both sides side on location platform top all is provided with the second clamp splice, location platform fixedly connected with fixed block, second clamp splice fixedly connected with catch bar, a plurality of fixture blocks of the equal equidistance fixedly connected with in both sides of catch bar, the avris of fixed block is provided with two limiting plates. The utility model discloses utilize first clamp splice, second clamp splice, fixed block, two-way lead screw and limiting plate matched with to set up the mode, the work piece is placed between first clamp splice and second clamp splice to utilize the rotation of two-way lead screw drive first clamp splice, utilize the motion of catch bar on the fixed block, the limiting plate is injectd the position of catch bar, thereby is favorable to fixing the work piece of different specifications, carries out accurate location.

Description

Positioning fixture for milling machine

Technical Field

The utility model relates to a positioning fixture field, in particular to positioning fixture for milling machine.

Background

The milling machine is an important tool for machining a workpiece, and mainly refers to a machine tool in which a milling cutter performs machining on various surfaces of the workpiece, generally, the milling cutter can rotate rapidly, and then the workpiece and the milling cutter move in a feed motion.

In the process of processing the work piece, need rely on the locating table with the work piece to fix a position and fix the work piece, but the specification of work piece is different, and the locating table under the general condition is only two splint, then fixes the work piece, and such fixed position skew appears in the unfixed surface that leads to easily, and the locating table can not accomplish accurate location, often through the experience of workman's many years' operation, comes to fix a position the work piece, has very big error, has the limitation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning fixture for milling machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a positioning fixture for milling machine, includes the both sides on location platform top all are provided with first clamp splice, the first stopper of bottom fixedly connected with of first clamp splice, the inner chamber of location platform is provided with two-way lead screw, two-way lead screw rotates with first stopper and alternates and is connected, the both sides side on location platform top all is provided with the second clamp splice, the equal fixedly connected with fixed block of both sides side on location platform top, the avris fixedly connected with catch bar of second clamp splice, the catch bar slides and alternates with the fixed block and is connected, a plurality of fixture blocks of the equal equidistance fixedly connected with in both sides of catch bar, the avris of fixed block is provided with two limiting plates, and two the limiting plate is located the both sides of catch bar respectively, the limiting plate is located between the fixture block.

Preferably, one end of the bidirectional screw rod is rotatably and alternately connected with one side of the inner wall of the groove, a first through hole is formed in one side of the inner wall of the groove, the bidirectional screw rod is rotatably and alternately connected with an inner cavity of the first through hole, and an anti-slip sleeve is sleeved on the outer wall of one end of the bidirectional screw rod.

Preferably, two guide grooves have all been seted up to the both sides side at location platform top, two guide blocks of the bottom fixedly connected with of second clamp splice, the guide block slides and alternates with the inner chamber of guide groove and is connected, the equal fixedly connected with second stopper in both sides of guide block, the first spacing groove with second stopper matched with has all been seted up to the both sides of guide way inner wall.

Preferably, set up on the fixed block with catch bar matched with second through-hole, the equal fixedly connected with slide in top and the bottom of catch bar, the first spout with slide matched with is all seted up to the top and the bottom of second through-hole inner wall, the second spout with fixture block matched with is all seted up to the both sides of second through-hole inner wall.

Preferably, square grooves are symmetrically formed in the fixed block, a connecting plate is arranged in an inner cavity of each square groove, the connecting plate is fixedly connected with the limiting plate, two tension springs are fixedly connected to one side of the inner wall of each square groove, and one ends of the tension springs are fixedly connected with the connecting plate.

Preferably, the top and the bottom of connecting plate all fixedly connected with third stopper, square inslot wall's top and bottom have all been seted up with third stopper matched with second spacing groove.

The utility model discloses a technological effect and advantage:

(1) the utility model discloses utilize first clamp splice, second clamp splice, fixed block, two-way lead screw and limiting plate matched with mode of setting, when fixing a position the work piece, the work piece is placed between first clamp splice and second clamp splice to utilize two-way lead screw to drive the rotation of first clamp splice, thereby be convenient for fix the both sides of work piece, utilize the motion of catch bar on the fixed block, the limiting plate is limited to the position of catch bar, thereby be favorable to fixing the work piece of different specifications, carry out accurate location, be convenient for improve the processingquality that the work piece was right;

(2) the utility model discloses utilize extension spring, limiting plate and fixture block matched with to set up the mode, utilize the extension spring to the pulling force of limiting plate to be favorable to prescribing a limit to the position of limiting plate, utilize the stopper to be in between the fixture block of assigned position department, thereby be convenient for prescribe a limit to the position of catch bar.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic front sectional view of the positioning table of the present invention.

Fig. 3 is a schematic side sectional view of the worktable of the present invention.

Fig. 4 is the front sectional structural schematic diagram of the fixing block of the present invention.

Fig. 5 is the schematic side sectional structure view of the fixing block of the present invention.

In the figure: 1. a positioning table; 2. a first clamping block; 3. a second clamp block; 4. a push rod; 5. a fixed block; 6. a slide plate; 7. a bidirectional screw rod; 8. a limiting plate; 9. a clamping block; 10. an anti-slip sleeve; 11. a groove; 12. a first stopper; 13. a guide block; 14. a second limiting block; 15. a tension spring; 16. a third limiting block; 17. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a positioning fixture for milling machine as shown in figures 1-5, which comprises a positioning table 1, wherein both sides of the top end of the positioning table 1 are provided with first clamping blocks 2, the first clamping blocks 2 slide at the top end of the positioning table 1, thereby facilitating the fixation of workpieces with different specifications, the bottom end of the first clamping block 2 is fixedly connected with a first stopper 12, thereby facilitating the driving of the first clamping block 2 for movement, thereby facilitating the positioning of the workpieces, the inner cavity of the positioning table 1 is provided with a bidirectional screw rod 7, thereby facilitating the driving of the two first clamping blocks 2 for relative movement, thereby facilitating the fixation of the workpieces by the first clamping block 2, the bidirectional screw rod 7 is rotatably and alternately connected with the first stopper 12, the first stopper 12 is provided with a screw hole, the outer wall of the bidirectional screw rod 7 is rotatably connected with the screw hole, both sides of the top end of the positioning table 1 are provided with second clamping blocks 3, the second clamping block 3 slides at the top end of the positioning table 1, so that workpieces with different specifications can be conveniently processed, the two side sides of the top end of the positioning table 1 are fixedly connected with the fixing blocks 5, the fixing blocks 5 are favorable for limiting the position of the push rod 4, so that the workpieces can be conveniently fixed, the side sides of the second clamping block 3 are fixedly connected with the push rod 4, so that the push rod 4 can be conveniently pushed to move, so that the position of the second clamping block 3 can be conveniently adjusted, the position of the second clamping block 3 can be conveniently limited, the push rod 4 is in sliding penetrating connection with the fixing blocks 5, the two sides of the push rod 4 are uniformly and equidistantly fixedly connected with a plurality of clamping blocks 9, the clamping blocks 9 are favorable for limiting the position of the push rod 4, so that the workpieces can be conveniently fixed, the side sides of the fixing blocks 5 are provided with two limiting plates 8, the two limiting plates 8 are respectively positioned at the two sides, the position of the push rod 4 is favorably limited, so that the workpiece is conveniently fixed.

The one end of two-way lead screw 7 is rotated with one side of recess 11 inner wall and is alternated and be connected, and first through-hole has been seted up to one side of recess 11 inner wall, and two-way lead screw 7 rotates with the inner chamber of first through-hole and alternates and be connected, and the outer wall cover of 7 one ends of two-way lead screw is equipped with antiskid cover 10, is favorable to increasing the frictional force of hand and two-way lead screw 7, the operation of being convenient for.

Two guide ways have all been seted up to the both sides side at 1 top of locating stage, be favorable to guide block 13 to slide at its inner chamber, two guide blocks 13 of bottom fixedly connected with of second clamp splice 3, be favorable to leading to the motion of second clamp splice 3, guide block 13 is connected with the inner chamber sliding interlude of guide way, the equal fixedly connected with second stopper 14 in both sides of guide block 13, be favorable to prescribing a limit to the position of guide block 13, avoid the inner chamber of guide block 13 and guide way to break away from, be favorable to the both sides of guide way inner wall all seted up with the first spacing groove of second stopper 14 matched with, be favorable to prescribing a limit to the relative position of second stopper 14 and guide block 13.

Set up on fixed block 5 with catch bar 4 matched with second through-hole, be favorable to catch bar 4 to move on fixed block 5, the top and the equal fixedly connected with slide 6 in bottom of catch bar 4, be favorable to prescribing a limit to the position of catch bar 4, when avoiding the catch bar 4 motion, the rotation appears, avoid leading to the skew easily, the top and the bottom of second through-hole inner wall all seted up with slide 6 matched with first spout, be favorable to slide 6 to slide in its inner chamber, be favorable to prescribing a limit to the position of catch bar 4 simultaneously, the both sides of second through-hole inner wall all seted up with fixture block 9 matched with second spout, be favorable to fixture block 9 to slide in its inner chamber.

The square groove has been seted up to the symmetry on fixed block 5, be favorable to connecting plate 17 at its inner chamber motion, the inner chamber of square groove is provided with connecting plate 17, connecting plate 17 is favorable to driving limiting plate 8 and moves, connecting plate 17 and limiting plate 8 fixed connection, two extension springs 15 of one side fixedly connected with of square groove inner wall, extension spring 15 produces the pulling force to limiting plate 8, be favorable to after limiting plate 8 moves, resume to original position, extension spring 15's one end and connecting plate 17 fixed connection.

The top and the equal fixedly connected with third stopper 16 in bottom of connecting plate 17 are favorable to prescribing a limit to the position of connecting plate 17, avoid connecting plate 17 to drop from the inner chamber of square groove, and the top and the bottom of square inslot wall all seted up with third stopper 16 matched with second spacing groove, are favorable to prescribing a limit to the position of third stopper 16.

The utility model discloses the theory of operation:

when a milling machine is used for machining a workpiece, the workpiece is placed between the first clamping blocks 2 and the second clamping blocks 3, then the anti-skidding sleeves 10 are held by hands to rotate the two-way screw rods 7, so that the two first clamping blocks 2 are driven to move relatively, then the two first clamping blocks 2 are rotated to be tightly attached to the surface of the workpiece, then the workpiece is positioned once, then the two push rods 4 are pushed simultaneously, the second clamping blocks 3 are pushed to move, when the two second clamping blocks 3 are tightly attached to the two sides of the workpiece, then the limiting plates 8 are slid manually, the tension springs 15 generate tension to the connecting plates 17, so that the limiting plates 8 are pulled to move towards the two sides of the push rods 4, then the limiting plates 8 are located between the two clamping blocks 9 at the positions, the positions of the push rods 4 are limited, and the workpiece can be fixed.

When dismantling the work piece, the rotation of two-way lead screw 7 is carried out to manual direction to all move two first clamp splice 2 to the direction of keeping away from the work piece, then with two limiting plate 8 respectively to the both sides motion of keeping away from catch bar 4, then can remove the position of catch bar 4 and prescribe a limit to, can accomplish the dismantlement to the work piece, because the pulling force of extension spring 15, after the movement of limiting plate 8, resume to the original position.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positioning fixture for milling machine, includes location platform (1), its characterized in that, the both sides on location platform (1) top all are provided with first clamp splice (2), the bottom fixedly connected with first stopper (12) of first clamp splice (2), the inner chamber of location platform (1) is provided with two-way lead screw (7), two-way lead screw (7) rotate with first stopper (12) and alternate and be connected, the both sides avris on location platform (1) top all is provided with second clamp splice (3), the both sides avris on location platform (1) top all fixedly connected with fixed block (5), the avris fixedly connected with catch bar (4) of second clamp splice (3), catch bar (4) and fixed block (5) slip alternate and be connected, the both sides equidistance fixedly connected with a plurality of fixture blocks (9) of catch bar (4), the avris of fixed block (5) is provided with two limiting plates (8), and the two limiting plates (8) are respectively positioned at two sides of the push rod (4), and the limiting plates (8) are positioned between the clamping blocks (9).

2. The positioning fixture for the milling machine according to claim 1, characterized in that one end of the bidirectional screw rod (7) is rotatably inserted and connected with one side of the inner wall of the groove (11), one side of the inner wall of the groove (11) is provided with a first through hole, the bidirectional screw rod (7) is rotatably inserted and connected with an inner cavity of the first through hole, and an anti-slip sleeve (10) is sleeved on the outer wall of one end of the bidirectional screw rod (7).

3. The positioning fixture for the milling machine according to claim 1, wherein two guide grooves are formed in both sides of the top of the positioning table (1), two guide blocks (13) are fixedly connected to the bottom end of the second clamping block (3), the guide blocks (13) are slidably inserted into the inner cavities of the guide grooves, second limit blocks (14) are fixedly connected to both sides of the guide blocks (13), and first limit grooves matched with the second limit blocks (14) are formed in both sides of the inner wall of the guide grooves.

4. The positioning fixture for the milling machine as claimed in claim 1, wherein the fixed block (5) is provided with a second through hole matched with the push rod (4), the top end and the bottom end of the push rod (4) are both fixedly connected with a sliding plate (6), the top end and the bottom end of the inner wall of the second through hole are both provided with a first sliding groove matched with the sliding plate (6), and both sides of the inner wall of the second through hole are both provided with a second sliding groove matched with the fixture block (9).

5. The positioning fixture for the milling machine according to claim 1, characterized in that square grooves are symmetrically formed in the fixing block (5), a connecting plate (17) is arranged in an inner cavity of each square groove, the connecting plate (17) is fixedly connected with the limiting plate (8), two tension springs (15) are fixedly connected to one side of the inner wall of each square groove, and one ends of the tension springs (15) are fixedly connected with the connecting plate (17).

6. The positioning fixture for the milling machine according to claim 5, characterized in that a third stopper (16) is fixedly connected to both the top end and the bottom end of the connecting plate (17), and a second stopper groove matched with the third stopper (16) is formed in both the top end and the bottom end of the inner wall of the square groove.