CN218254737U

CN218254737U - Positioning device for metal workpiece machining

Info

Publication number: CN218254737U
Application number: CN202222135900.XU
Authority: CN
Inventors: 韩春林; 李海
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-01-10
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a positioner is used in metal work piece processing belongs to processing equipment technical field, including unable adjustment base, unable adjustment base's inner chamber rotates through the bearing and is connected with the worm, the bottom meshing of worm has the worm wheel, the utility model discloses a worm drives the worm wheel and rotates, makes the worm wheel drive positive and negative threaded rod rotatory, then positive and negative threaded rod drives the movable block through the thread bush and removes, carries out the centre gripping to the work piece, then rethread lifting unit's cooperation, conveniently goes up and down to the increased pressure plate, and the stripper plate can fix a position the work piece simultaneously, ensures the stability of work piece, utilizes the lead screw to drive the limiting plate simultaneously and reciprocates, can fix a position the different position in work piece top, ensures the stability of work piece in the course of working to avoid the work piece surface unevenness, the unable stable of stripper plate fixes a position the work piece, has solved the problem that traditional positioner is used in metal work piece processing can's unable special-shaped workpiece and fix a position.

Description

Positioning device for metal workpiece machining

Technical Field

The utility model relates to a processing equipment technical field specifically is a positioner is used in metal work piece processing.

Background

Before processing metal workpiece, need carry out the centre gripping location to metal workpiece, prevent that the work piece from taking place to rock in the course of working, cause machining precision to have the error, the appearance of work piece is various, and traditional work piece positioning fixture is mostly smooth plane, and is good to the work piece location effect of finish, but is not good to the work piece location effect of surperficial dysmorphism, leads to the work piece to rock easily.

In the prior art, publication no: chinese utility model content of CN215146881U discloses a quick positioner of workpiece for hardware processing, the recess that is used for placing the work piece is offered to the upper surface of work piece processing mesa, the upper surface outer end of work piece processing mesa all is fixed with flexible pushing mechanism all around, flexible pushing mechanism's end connection has the extrusion locating plate, the outer terminal surface of extrusion locating plate is fixed with flexible protective layer, flexible pushing mechanism is including fixing the outer fixed cylinder at work piece processing mesa upper surface, the inside slip grafting of outer fixed cylinder has interior telescopic link, can realize utilizing the flexible pushing mechanism who sets up all around to drive the extrusion locating plate and remove and fix a position the work piece fast, high operation, press from both sides tightly fast, the extending structure stability of formula is inhaled to the magnetism is higher, and the great promotion of the flexible pushing mechanism simultaneous working of setting all around to the positioning stability of work piece, avoid the work piece to produce skew phenomenon in the course of working and influence the machining accuracy.

Utilize the extrusion locating plate to carry out the centre gripping location to the metal public house among the above-mentioned technical scheme, because extrusion locating plate surfacing is fit for carrying out the centre gripping location to the smooth machined part of surface, if workpiece surface is unsmooth, little with the area of contact of extrusion locating plate, the extrusion locating plate is not as good as the surfacing work piece to the location effect of work piece, leads to the work piece to rock easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioner is used in metal work piece processing at first utilizes the stripper plate to carry out the centre gripping to the work piece, if the work piece still takes place to rock after the centre gripping, and rethread lead screw drives the limiting plate and removes, carries out the multiple spot to the work piece spacing, ensures the stability of irregular work piece to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a positioner is used in metal work piece processing, includes unable adjustment base, unable adjustment base's inner chamber rotates through the bearing and is connected with the worm, the bottom meshing of worm has the worm wheel, the center department of worm wheel is fixed with positive and negative threaded rod, positive and negative threaded rod's both ends are all through causing the both sides of rotating in the unable adjustment base inner chamber, positive and negative threaded rod's surperficial threaded connection has the thread bush, and the outside of thread bush is fixed with the movable block, the top of movable block is run through unable adjustment base and is fixed with the movable box, the inner chamber of movable box is provided with lifting unit, lifting unit runs through the movable box and is fixed with the fly leaf in one side in opposite directions, the surface of fly leaf can be dismantled and be connected with the stripper plate, the top threaded connection of stripper plate has the lead screw, the bottom of lead screw is run through the stripper plate and is rotated through the bearing and is connected with the limiting plate.

Preferably, the lifting assembly comprises a screw rod, the screw rod rotates at the top and the bottom of the inner cavity of the movable box through a bearing, the top of the screw rod penetrates through the movable box and is fixed with a rotating handle, a threaded sleeve is in threaded connection with the surface of the screw rod, a moving block is fixed on the surface of the threaded sleeve, connecting blocks are fixed on opposite sides of the moving blocks, and one opposite side of each connecting block penetrates through the movable box and is fixed on the surface of the movable plate.

Preferably, the front and the back of one side in opposite directions of the movable box are both provided with a groove, the inner cavity of the groove is movably connected with a movable strip, and the movable strip is fixed on the surface of the extrusion plate.

Preferably, the mounting hole has all been seted up in proper order down from last to one side that the stripper plate was kept away from to the fly leaf, the inner chamber swing joint of mounting hole has the mounting screw, the screw hole that cooperation mounting screw used is seted up to one side in opposite directions of stripper plate and fly leaf.

Preferably, the bottom of the extrusion plate is provided with a limiting groove, and the limiting plate is located in an inner cavity of the limiting groove.

Preferably, sliding sleeves are embedded in two sides of the movable block, sliding rods are connected to inner cavities of the sliding sleeves in a sliding mode, and two ends of each sliding rod are fixed to two sides of an inner cavity of the fixed base.

Preferably, a supporting block is fixed on one side of the movable box far away from the movable plate, and the bottom of the supporting block is movably connected with the top of the fixed base.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a worm drives the worm wheel and rotates, it is rotatory to make the worm wheel drive positive and negative threaded rod, then positive and negative threaded rod drives the movable block through the thread bush and removes, carry out the centre gripping to the work piece, then rethread lifting unit's cooperation, the convenience is gone up and down to the increased pressure plate, the stripper plate can fix a position the work piece simultaneously, the stability of guarantee work piece, utilize the lead screw to drive the limiting plate simultaneously and reciprocate, can fix a position the different positions in work piece top, the stability of guarantee work piece in the course of working, in order to avoid the work piece surface unevenness, the stripper plate can't be stable fix a position the work piece, the problem that traditional metal work piece processing can't fix a position special-shaped workpiece with positioner has been solved.

2. The utility model discloses a cooperation of mounting hole, installation screw and screw hole, the convenience is installed the stripper plate on the fly leaf, can carry out height adjustment to the fly leaf simultaneously, and the centre gripping is fixed a position to the work piece of co-altitude not to the height of cooperation fly leaf, promotes positioner's flexibility ratio.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic sectional three-dimensional structure of the fixing base of the present invention;

FIG. 3 is a schematic sectional three-dimensional structure of the movable box of the present invention;

fig. 4 is a schematic bottom perspective view of the squeeze plate of the present invention.

Reference numbers in the figures: 1. a fixed base; 2. a worm; 3. a worm gear; 4. a positive and negative threaded rod; 5. a movable block; 6. a movable box; 7. a lifting assembly; 71. a screw; 72. a handle is rotated; 73. a threaded sleeve; 74. a moving block; 8. a movable plate; 9. a pressing plate; 10. a screw rod; 11. a limiting plate; 12. a groove; 13. a movable bar; 14. mounting holes; 15. mounting screws; 16. a threaded hole; 17. a limiting groove; 18. a slide bar; 19. and (7) a supporting block.

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 device for processing metal workpieces as shown in figures 1-4, which comprises a fixed base 1, the inner cavity of the fixed base 1 is rotationally connected with a worm 2 through a bearing, the bottom of the worm 2 is engaged with a worm wheel 3, a positive and negative threaded rod 4 is fixed at the center of the worm wheel 3, both ends of the positive and negative threaded rod 4 are rotated at both sides of the inner cavity of the fixed base 1 through causing, the surface thread of the positive and negative threaded rod 4 is connected with a threaded sleeve, a movable block 5 is fixed at the outer side of the threaded sleeve, the top of the movable block 5 runs through the fixed base 1 and is fixed with a movable box 6, the inner cavity of the movable box 6 is provided with a lifting component 7, one opposite side of the lifting component 7 runs through the movable box 6 and is fixed with a movable plate 8, the surface of the movable plate 8 is detachably connected with a squeezing plate 9, the top thread of the squeezing plate 9 is connected with a screw rod 10, the bottom of lead screw 10 runs through stripper plate 9 and is connected with limiting plate 11 through the bearing rotation, it rotates to drive worm wheel 3 through worm 2, it is rotatory to make worm wheel 3 drive positive and negative threaded rod 4, then positive and negative threaded rod 4 drives movable block 5 through the thread bush and removes, carry out the centre gripping to the work piece, then the cooperation of rethread elevating assembly 7, conveniently go up and down to the increased pressure board, stripper plate 9 can fix a position the work piece simultaneously, the stability of guarantee work piece, utilize lead screw 10 to drive limiting plate 11 to reciprocate simultaneously, can fix a position the different position in work piece top, guarantee the stability of work piece in the course of working, in order to avoid the work piece surface unevenness, stripper plate 9 can't be stable fixes a position the work piece, the problem that traditional positioner for the metal work piece processing can't fix a position special-shaped workpiece is solved.

The lifting assembly 7 comprises a screw rod 71, the screw rod 71 rotates at the top and the bottom of the inner cavity of the movable box 6 through a bearing, the top of the screw rod 71 penetrates through the movable box 6 and is fixed with a rotating handle 72, the surface of the screw rod 71 is in threaded connection with a threaded sleeve 73, the surface of the threaded sleeve 73 is fixed with a movable block 74, one opposite side of the movable block 74 is fixed with a connecting block, one opposite side of the connecting block penetrates through the movable box 6 and is fixed on the surface of the movable plate 8, the threaded sleeve 73 is matched with the connecting block, the threaded sleeve 73 is driven by the screw rod 71 to move up and down, the movable plate 8 is lifted, and the height of the extrusion plate 9 is adjusted.

Recess 12 has all been seted up to the front and the back of the one side in opposite directions of activity case 6, and the inner chamber swing joint of recess 12 has activity strip 13, and activity strip 13 is fixed in the surface of stripper plate 9, utilizes activity strip 13 to slide in the inner chamber of recess 12, not only can carry on spacingly to stripper plate 9, ensures stripper plate 9's stability, can assist stripper plate 9 to reciprocate simultaneously.

Mounting hole 14 has all been seted up from last to down in proper order to one side that stripper plate 9 was kept away from to fly leaf 8, and the inner chamber swing joint of mounting hole 14 has installation screw 15, and stripper plate 9 sets up the screw hole 16 that cooperation installation screw 15 used with fly leaf 8 one side in opposite directions, utilizes installation screw 15, connects in the mounting hole 14 of different positions, can adjust the height of stripper plate 9, and the convenience is fixed a position the work piece of co-altitude not.

Limiting groove 17 has been seted up to stripper plate 9's bottom, and limiting plate 11 is located the inner chamber of limiting groove 17, utilizes limiting plate 11 to accomodate at the inner chamber of limiting groove 17, can accomodate limiting plate 11, prevents that limiting plate 11 from influencing stripper plate 9 to the location effect of work piece, can fix a position limiting plate 11 simultaneously.

Sliding sleeves are embedded in the two sides of the movable block 5, a sliding rod 18 is connected to the inner cavity of the sliding sleeve in a sliding mode, the two ends of the sliding rod 18 are fixed to the two sides of the inner cavity of the fixed base 1, the movable block 5 slides on the surface of the sliding rod 18 through the sliding sleeves, the movable block 5 is convenient to limit, and the movable block 5 is prevented from rotating on the surface of the positive and negative threaded rod 4 along with the threaded sleeves to affect the stability of the positioning device.

One side of the movable box 6, which is far away from the movable plate 8, is fixed with a supporting block 19, the bottom of the supporting block 19 is movably connected with the top of the fixed base 1, and the supporting block 19 is used for supporting the movable box 6, so that the movable box 6 is prevented from inclining towards two sides when the extrusion plate 9 and the limiting plate 11 are used for positioning a workpiece, and the positioning device is prevented from being unstable.

When the metal workpiece machining fixture is used, a user places a metal workpiece to be machined on the top of the fixed base 1, then the worm 2 is rotated, then the worm 2 drives the worm wheel 3 to rotate, meanwhile, the worm wheel 3 drives the positive and negative threaded rod 4 to rotate, then the positive and negative threaded rod 4 drives the threaded sleeve to move towards the middle on the surface of the positive and negative threaded rod 4, then the threaded sleeve drives the movable block 5 to move towards the middle, meanwhile, the movable block 5 drives the movable box 6 to move towards the middle, then the movable box 6 drives the movable plate 8 to clamp and position the workpiece, then the rotary handle is rotated, then the rotary handle 72 drives the screw rod 71 to rotate, meanwhile, the screw rod 71 drives the screw sleeve 73 to move up and down, then the screw sleeve 73 drives the movable block 74 to move down, meanwhile, the movable block 74 drives the movable block 8 to move down through the connecting block, then the movable plate drives the extrusion plate 9 to move down and preliminarily position the workpiece, the workpiece is limited from moving up and down, then, according to the positioning effect, the screw rod 10 is rotated, then the screw rod 10 drives the limiting plate 11 to move down and is contacted with the top of the workpiece, the workpiece is limited through multipoint positioning, and the workpiece is ensured to be stable during machining.

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 positioner is used in metal work piece processing, includes unable adjustment base (1), its characterized in that: the inner chamber of unable adjustment base (1) rotates through the bearing and is connected with worm (2), the bottom meshing of worm (2) has worm wheel (3), the center department of worm wheel (3) is fixed with positive and negative threaded rod (4), the both ends of positive and negative threaded rod (4) are all through causing the both sides of rotating in unable adjustment base (1) inner chamber, the surperficial threaded connection of positive and negative threaded rod (4) has the thread bush, and the outside of thread bush is fixed with movable block (5), unable adjustment base (1) is run through and movable box (6) are fixed with at the top of movable block (5), the inner chamber of movable box (6) is provided with lifting unit (7), movable box (6) are run through and be fixed with fly leaf (8) in one side that lifting unit (7) are opposite, the surface of fly leaf (8) can be dismantled and be connected with stripper plate (9), the top threaded connection of stripper plate (9) has lead screw (10), the bottom of lead screw (10) is run through stripper plate (9) and is rotated through the bearing and is connected with limiting plate (11).

2. The positioning device for machining a metal workpiece according to claim 1, wherein: the lifting assembly (7) comprises a screw rod (71), the screw rod (71) rotates at the top and the bottom of an inner cavity of the movable box (6) through a bearing, the top of the screw rod (71) penetrates through the movable box (6) and is fixedly provided with a rotating handle (72), the surface of the screw rod (71) is in threaded connection with a threaded sleeve (73), a movable block (74) is fixedly arranged on the surface of the threaded sleeve (73), a connecting block is fixedly arranged on one opposite side of the movable block (74), and one opposite side of the connecting block penetrates through the movable box (6) and is fixedly arranged on the surface of the movable plate (8).

3. The positioning device for machining the metal workpiece as set forth in claim 1, wherein: the movable box (6) is provided with a groove (12) on the front and the back of one opposite side, the inner cavity of the groove (12) is movably connected with a movable strip (13), and the movable strip (13) is fixed on the surface of the extrusion plate (9).

4. The positioning device for machining the metal workpiece as set forth in claim 1, wherein: mounting hole (14) have all been seted up in proper order down from last to one side that stripper plate (9) were kept away from in fly leaf (8), the inner chamber swing joint of mounting hole (14) has mounting screw (15), screw hole (16) that cooperation mounting screw (15) used are seted up to one side in opposite directions in stripper plate (9) and fly leaf (8).

5. The positioning device for machining the metal workpiece as set forth in claim 1, wherein: the bottom of the extrusion plate (9) is provided with a limiting groove (17), and the limiting plate (11) is positioned in an inner cavity of the limiting groove (17).

6. The positioning device for machining the metal workpiece as set forth in claim 1, wherein: sliding sleeves are embedded in two sides of the movable block (5), sliding rods (18) are connected to inner cavities of the sliding sleeves in a sliding mode, and two ends of each sliding rod (18) are fixed to two sides of an inner cavity of the fixed base (1).

7. The positioning device for machining a metal workpiece according to claim 1, wherein: a supporting block (19) is fixed on one side of the movable box (6) far away from the movable plate (8), and the bottom of the supporting block (19) is movably connected with the top of the fixed base (1).