CN212887150U - Multi-station tensioning positioning device - Google Patents

Abstract

The utility model relates to a multistation positioner that rises, comprises a workbench, be equipped with a plurality of stations that are used for to the work piece location on the workstation, every the left and right sides of station is equipped with the seat and the positioning seat that rise that are used for the left and right sides location to the work piece respectively, every the front and back side of station is equipped with fixing base and the locating piece that is used for the front and back side location to the work piece respectively, interval between locating piece and the fixing base is adjustable, and the locating piece can push the work piece to the fixing base and carry out spacingly when the clamping work piece. The utility model has the characteristics of convenient processing, press from both sides the dress simply and laborsaving etc.

Description

Multi-station tensioning positioning device

Technical Field

The utility model belongs to a positioner, concretely relates to multistation positioner that rises.

Background

When the upper surface of a workpiece is machined, a conventional clamping device can clamp the upper surface of the workpiece, so that the workpiece can be clamped, the machining of the upper surface of the workpiece is interfered, the workpiece needs to be moved, the clamping position of the workpiece is changed, and the workpiece is very inconvenient to machine and very complicated and laborious.

Disclosure of Invention

The utility model aims to provide a multistation tight positioner that rises has solved the processing that prior art exists inconvenient, press from both sides the loaded down with trivial details and hard scheduling problem of dress.

The above technical purpose of the present invention is mainly solved by the following technical solutions: a multi-station tensioning and positioning device comprises a workbench, wherein a plurality of stations for positioning workpieces are arranged on the workbench, tensioning seats and positioning seats for positioning the left side and the right side of each station are respectively arranged on the left side and the right side of each station, a fixing seat and a positioning block for positioning the front side and the rear side of each station are respectively arranged on the front side and the rear side of each station, the distance between each positioning block and each fixing seat is adjustable, and the positioning blocks can push the workpieces to the fixing seats and limit the workpieces when the workpieces are clamped; through the setting of the tight seat that rises for the work piece can be by the side clamp tightly, avoid pressing from both sides dress to the upper surface of work piece and cause the influence to the upper surface machining of work piece, the setting of above-mentioned positioning seat, so as to fix a position one side of work piece, the work piece takes place to shift and can't carry out accurate processing to the work piece when avoiding pressing from both sides tight dress to the work piece, through the setting of above-mentioned locating piece and fixing base, so as to press from both sides tightly the front and back side of work piece, avoid skew around the work piece, and the locating piece can carry out pre-compaction to the work piece, guarantee the position accuracy of work piece when pressing from.

Preferably, a plurality of contour columns for supporting the bottom of the workpiece are arranged on the station, and the contour columns are fixedly arranged on the upper surface of the workbench; through the setting of the equal-height columns, the bottom of the workpiece is supported, the bottom of the workpiece is of a point supporting structure, the levelness of the workpiece during clamping is guaranteed, the workpiece is more stable, and the machining precision is improved.

Preferably, a V-shaped groove is formed in the upper end of the tensioning seat, and a V-shaped block used for expanding the V-shaped groove is placed on the V-shaped groove; through the arrangement of the V-shaped groove and the V-shaped block, the V-shaped groove can be expanded outwards through the V-shaped block, the workpiece is tensioned, the contact area is increased, the tensioning strength is enhanced, and the clamping quality of the workpiece is ensured.

Preferably, the V-shaped block is connected with the bottom of the tensioning seat through a bolt, a slot is formed in the tensioning seat below the V-shaped block, and a thin wall is formed between the side wall of the slot and the outer wall of the tensioning seat; through the connection setting of the V-shaped block and the tensioning seat, the tensioning degree of the tensioning seat can be adjusted through the bolt, controllability is improved, and due to the grooved setting, the elastic deformation capacity of the thin wall can be improved, so that the edge of the V-shaped groove on the tensioning seat can be more easily expanded, and the side wall is prevented from being cracked when the V-shaped groove is expanded.

Preferably, one side of the positioning block, which is abutted to the workpiece, is of a concave V-shaped structure; through the arrangement of the V-shaped structure, a linear contact structure is formed between the positioning block and the workpiece, so that the workpiece side wall bending structure is adapted to the bending of the workpiece side wall surface, the complete in-place pre-pressing of the workpiece is guaranteed, the contact area is reduced, the influence of vibration of the workpiece during machining on the positioning block is reduced, and the loss of the positioning block is reduced.

Preferably, the positioning block is arranged on the base, a connecting part is arranged on the other side of the positioning block, and the connecting part extends to a telescopic groove arranged on the base; through the arrangement of the connecting part, the positioning block can stably move towards the workpiece on the base, and the situation that the workpiece cannot be pressed in place due to the deflection of the positioning block is avoided.

Preferably, the positioning block is fixedly provided with an axially arranged pull rod, the pull rod penetrates through the base and extends to the outside of the base, the outer end of the pull rod is provided with a handle, and the connecting part is provided with a compression spring which is connected with the base and coaxially arranged with the pull rod and an accommodating groove which is used for accommodating the compression spring and axially arranged; through the setting of above-mentioned pull rod and pressure spring for above-mentioned locating piece can realize the elastic expansion on the base through pressure spring, so that adapt to the work piece of different specifications, and keep compressing tightly constantly to the work piece through pressure spring, the setting of pull rod and handle, so that manual operation, very simple and convenient.

Preferably, one side of the tension seat, which is not in contact with the workpiece, is abutted against the positioning seat; through the arrangement of the structure, one side of the tension seat, which is not in contact with the workpiece, can be supported, so that the tension strength of the side wall of the workpiece is enhanced.

Therefore, the utility model has the characteristics of convenient processing, press from both sides simple and laborsaving etc.

Drawings

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

fig. 2 is a schematic structural view of the tightening seat and the positioning seat in fig. 1.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

As shown in fig. 1-2, a multi-station tensioning and positioning device comprises a workbench 1, wherein the workbench 1 is provided with a plurality of stations 11 for positioning a workpiece, the left and right sides of each station are respectively provided with a tensioning seat 21 and a positioning seat 22 for positioning the left and right sides of the workpiece, the front and back sides of each station are respectively provided with a fixing seat 31 and a positioning block 32 for positioning the front and back sides of the workpiece, the distance between the positioning block 32 and the fixing seat 31 is adjustable, when the workpiece is clamped, the positioning block 32 can push the workpiece to the fixing seat 31 and limit the position, the workpiece can be clamped by the side faces through the arrangement of the tensioning seat, the workpiece is prevented from being clamped to the upper surface of the workpiece to cause influence on the upper surface processing of the workpiece, the positioning seats are arranged to facilitate the positioning of one side of the workpiece, and the workpiece is prevented from being displaced to fail to precisely process the workpiece when the workpiece is tensioned and clamped, through the arrangement of the positioning block and the fixing seat, the front side and the rear side of the workpiece can be clamped conveniently, the front and rear deviation of the workpiece is avoided, the positioning block can pre-press the workpiece, and the position accuracy of the workpiece in tensioning clamping is ensured; the station 11 is provided with a plurality of equal-height columns 111 for supporting the bottoms of the workpieces, the equal-height columns 111 are fixedly arranged on the upper surface of the workbench 1, and the equal-height columns are arranged to support the bottoms of the workpieces conveniently, so that the bottoms of the workpieces are of point supporting structures, the levelness of the workpieces during clamping is ensured, the workpieces are more stable, and the machining precision is improved.

When clamping a workpiece, the workpiece is placed on the contour columns, one side of the workpiece abuts against the fixed seat, the fixed seat is fixed on the workbench through the bolt and the bolt, the positioning block is contracted firstly, then the workpiece is placed, the positioning block is released, the positioning block compresses the workpiece, after the position of the workpiece is adjusted, the left side or the right side of the workpiece abuts against the positioning seat, and then the other side of the workpiece is tensioned through the tensioning seat to be clamped.

As shown in fig. 2, a V-shaped groove 211 is formed in the upper end of the tensioning seat 21, a V-shaped block 212 for expanding the V-shaped groove 211 is disposed on the V-shaped groove 211, and the V-shaped groove and the V-shaped block are arranged so that the V-shaped groove can be expanded outwards by the V-shaped block to tension a workpiece, so that the contact area is increased, the tensioning strength is enhanced, and the clamping quality of the workpiece is ensured; the V-shaped block 212 is connected with the bottom of the tension seat 21 through a bolt, a slot 213 is formed in the tension seat 21 and located below the V-shaped block 212, a thin wall is formed between the side wall of the slot 213 and the outer wall of the tension seat 21, the tension degree of the tension seat can be adjusted through the bolt due to the connection of the V-shaped block and the tension seat, controllability is improved, the edges of the V-shaped slot in the tension seat can be easily expanded due to the arrangement of the slot, stress is concentrated, the side wall is prevented from being broken when the V-shaped slot is expanded, and one side of the tension seat 21, which is not in contact with a workpiece, abuts against the positioning seat 22; through the arrangement of the structure, one side of the tension seat, which is not in contact with the workpiece, can be supported, so that the tension strength of the side wall of the workpiece is enhanced; when the workpiece is tensioned and clamped, the bolt is rotated to move downwards, the bolt drives the V-shaped block to move downwards, the V-shaped groove is expanded, and gradually abuts against the side wall of the workpiece, so that tensioning, clamping and clamping of the workpiece are completed.

As shown in fig. 1, one side of the positioning block 32, which is abutted to the workpiece, is of a concave V-shaped structure, and a linear contact structure is formed between the positioning block and the workpiece through the arrangement of the V-shaped structure, so as to adapt to the bending of the side wall surface of the workpiece, ensure that the workpiece is completely pre-pressed in place, reduce the contact area, reduce the influence of vibration during workpiece processing on the positioning block, and reduce the loss of the positioning block; the positioning block 32 is arranged on the base 33, the other side of the positioning block 32 is provided with a connecting part 321, the connecting part 321 extends to a telescopic groove 331 arranged on the base 33, and the positioning block can stably move on the base towards a workpiece through the arrangement of the connecting part, so that the workpiece cannot be pressed in place due to the deflection of the positioning block; the positioning block 32 is fixedly provided with a pull rod 322 which is axially arranged, the pull rod 322 penetrates through the base 33 and extends to the outside of the base 33, the outer end of the pull rod 322 is provided with a handle 323, the connecting part 321 is provided with a compression spring 324 which is connected with the base 33 and coaxially arranged with the pull rod 322 and an accommodating groove 325 which is used for accommodating the compression spring 324 and axially arranged, through the arrangement of the pull rod and the compression spring, the positioning block can elastically stretch out and draw back on the base through the compression spring, so that the positioning block can adapt to workpieces with different specifications, the workpieces are kept to be compressed constantly through the compression spring, and the arrangement of the pull rod and the handle is convenient for manual operation and is very.

Before a workpiece is placed on the contour column, the handle is pulled firstly, the handle drives the positioning block to move through the pull rod, the compression spring contracts to increase the distance between the positioning block and the fixing seat, then the workpiece is placed on the contour column, the workpiece abuts against the fixing seat, the handle is released, the compression spring stretches to drive the positioning block to compress the workpiece.

Claims (8)

1. The utility model provides a multistation positioner that rises, includes workstation (1), its characterized in that: the automatic workpiece clamping device is characterized in that a plurality of stations (11) used for positioning workpieces are arranged on the workbench (1), each station is provided with a tension seat (21) and a positioning seat (22) used for positioning the left side and the right side of each workpiece, each station is provided with a fixing seat (31) and a positioning block (32) used for positioning the front side and the rear side of each workpiece, the distance between each positioning block (32) and each fixing seat (31) is adjustable, and the positioning blocks (32) can push the workpieces to the fixing seats (31) and limit the workpieces when the workpieces are clamped.

2. The multi-station tensioning and positioning device according to claim 1, wherein: the station (11) is provided with a plurality of contour columns (111) for supporting the bottoms of the workpieces, and the contour columns (111) are fixedly arranged on the upper surface of the workbench (1).

3. The multi-station tensioning and positioning device according to claim 1, wherein: the upper end of the tensioning seat (21) is provided with a V-shaped groove (211), and a V-shaped block (212) used for expanding the V-shaped groove (211) is placed on the V-shaped groove (211).

4. The multi-station tensioning and positioning device according to claim 3, wherein: the V-shaped block (212) is connected with the bottom of the tensioning seat (21) through a bolt, a slot (213) is formed in the position, below the V-shaped block (212), of the tensioning seat (21), and a thin wall is formed between the side wall of the slot (213) and the outer wall of the tensioning seat (21).

5. The multi-station tensioning and positioning device according to claim 1, wherein: one side of the positioning block (32) abutted to the workpiece is of a concave V-shaped structure.

6. The multi-station tensioning and positioning device according to any one of claims 1 to 5, wherein: the positioning block (32) is arranged on the base (33), a connecting part (321) is arranged on the other side of the positioning block (32), and the connecting part (321) extends to a telescopic groove (331) formed in the base (33).

7. The multi-station tensioning and positioning device according to claim 6, wherein: set firmly pull rod (322) that the axial set up on locating piece (32), pull rod (322) pass base (33) and extend to base (33) outside, the outer end of pull rod (322) is equipped with handle (323), be equipped with on connecting portion (321) be connected with base (33) and with pull rod (322) coaxial setting compress spring (324) and be used for holding compress spring (324) and axial setting's holding tank (325).

8. The multi-station tensioning and positioning device according to claim 1, 3 or 4, wherein: one side of the tensioning seat (21) which is not contacted with the workpiece is abutted against the positioning seat (22).

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