CN215824848U

CN215824848U - Positioning fixture of multi-wire cutting machine

Info

Publication number: CN215824848U
Application number: CN202121738492.6U
Authority: CN
Inventors: 王卫锋; 王钰; 吴学珍; 杨琴英
Original assignee: Suzhou Huifeng Machinery Equipment Co ltd
Current assignee: Suzhou Huifeng Machinery Equipment Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-02-15
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a positioning clamp of a multi-wire cutting machine, which is applied to the field of clamping tools of the multi-wire cutting machine and solves the technical problems that a product can only be placed on the traditional clamping tool, a workpiece to be processed cannot be well fixed and clamped, the clamping is unstable, and the processing precision is difficult to ensure, and the technical scheme has the key points that: the bearing plate is provided with a sliding block matched with the sliding groove in a sliding manner; the upper surface of the bearing plate is provided with a limiting groove; the connecting plate is provided with a clamping assembly connected with the machine tool platform and a limiting assembly used for limiting the position of a workpiece in the length direction of the connecting plate; the clamping device has the technical effects that a product to be processed can be stably clamped, the processing stability is well guaranteed, and the processing precision is improved.

Description

Positioning fixture of multi-wire cutting machine

Technical Field

The utility model relates to the field of multi-wire cutting machine clamping tools, in particular to a positioning clamp of a multi-wire cutting machine.

Background

At present, the chinese utility model patent of No. CN202185992U announces a multi-wire saw's L type anchor clamps, including the backup pad that transversely sets up and the push pedal of vertical setting, the lower extreme fixed connection backup pad of push pedal, the upper end disjunctor of push pedal sets up the swash plate, and swash plate and backup pad set up respectively in the both sides of push pedal, set up one at least elongated slot in the backup pad.

The traditional fixture can only place a product on the fixture, can not well fix and clamp a workpiece to be processed, is unstable in clamping and is difficult to ensure the processing precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamping fixture which has the advantages that a product to be machined can be stably clamped, machining stability is better guaranteed, and machining precision is improved.

The technical purpose of the utility model is realized by the following technical scheme: a positioning clamp of a multi-wire cutting machine,

the bearing plate is provided with a sliding block in sliding fit with the sliding groove;

the upper surface of the bearing plate is provided with a limiting groove;

and the connecting plate is provided with a clamping assembly connected with the machine tool platform and a limiting assembly used for limiting the position of a workpiece.

According to the technical scheme, the clamping assembly is used for clamping the connecting plate on the workbench of the machine tool, the sliding groove is used for limiting the position of the sliding block, and the bearing plate can slide out of the connecting plate through the sliding groove so as to be replaced after the bearing plate is cut and damaged after machining; the connecting plate is used for supporting a bearing plate, the bearing plate is used for supporting a workpiece to be machined, and the limiting groove is used for limiting the position of the workpiece in the width direction of the bearing plate; the limiting assembly is used for limiting the position of the workpiece in the length direction of the bearing plate, so that the position of the workpiece is well limited, the workpiece can be processed more stably, and the processing precision is well guaranteed.

The utility model is further configured to: the limiting assembly comprises a limiting end plate and a buffer plate in sliding fit with the limiting end plate, and two ends of the limiting assembly in the length direction of the connecting plate are respectively provided with a group;

the buffer board slides along the length direction of the connecting board, and an elastic buffer piece is arranged between the buffer board and the limiting end plate.

Through the technical scheme, the limiting end plate is used for installing the buffer plate, and the buffer piece can push the buffer plate to move towards the workpiece to be processed, so that the two buffer pieces can stably clamp the workpiece.

The utility model is further configured to: one side of the buffer plate, which faces the limiting end plate, is connected with a sliding column and a guide column, a sliding hole in sliding fit with the sliding column is formed in the limiting end plate, and a guide hole in sliding fit with the guide column is formed in the limiting end plate;

the buffer piece is a compression spring which is sleeved on the sliding column.

Through the technical scheme, the sliding column is matched with the sliding hole, the guide column is matched with the guide hole, so that the buffer plate and the limiting end plate can slide relatively more stably, and the compression spring can elastically deform better so as to clamp a workpiece to be processed; meanwhile, the workpiece expands after being cut, and the buffer of the compression spring can not damage the workpiece due to over-tightness of clamping.

The utility model is further configured to: the clamping assembly comprises an L-shaped clamping plate and a clamping bolt, and the clamping bolt penetrates through the clamping plate and is in threaded fit with the connecting plate;

and two groups of clamping components are respectively arranged at two ends of the connecting plate in the length direction.

Through above-mentioned technical scheme, clamping bolt can be with the clamp plate fastening on the workstation of lathe, and two clamp plates make the more stable firm of centre gripping, further improvement the stability of processing work piece.

The utility model is further configured to: be provided with between the inner wall in groove and the loading board of sliding, screw-thread fit has adjusting screw on the connecting plate, adjusting screw's axis sets up along the width direction of connecting plate, adjusting screw and loading board butt, adjusting screw keeps away from the one end of loading board and sets up and revolves the piece.

Through the technical scheme, the bearing plate can slide in the width direction of the connecting plate by adjusting the gap, so that the relative position of the workpiece and a machine tool can be adjusted conveniently, the screwing piece is convenient for a human hand to hold, and the adjusting screw rod can be rotated more conveniently.

The utility model is further configured to: the V-arrangement is personally submitted in the cross section of spacing groove, spacing tank bottom intercommunication has the chip groove, the chip groove that leads with chip groove intercommunication is seted up to the inside wall of spacing groove, chip groove bottom intercommunication has the chip removal hole, the chip removal hole runs through the loading board setting downwards, the chip outlet hole has been seted up to the connecting plate bottom, the aperture in chip outlet hole is greater than the aperture in chip removal hole.

Through above-mentioned technical scheme, the V-arrangement sets up the both sides that make the inner wall of spacing groove all can with the work piece butt to more stable position of restriction work piece, the chip groove is arranged in guiding the piece that the cutting work piece produced and flows into the chip collecting groove, and the chip collecting groove is arranged in collecting the piece that the processing produced, so that the piece is discharged through chip removal hole and chip discharge hole.

The utility model is further configured to: one side of the buffer plate, which is far away from the limiting end plate, is provided with a butt rubber pad.

Through above-mentioned technical scheme, the butt rubber pad can with treat the work piece butt of processing, because the rubber pad is in order to produce elastic deformation, rubber materials has better adhesive force moreover for more stably centre gripping work piece.

The utility model is further configured to: one end of the adjusting screw rod, which faces the bearing plate, is rotatably connected with a positioning block, and the positioning block is a round table which is coaxially arranged with the adjusting screw rod;

the side of the bearing plate is provided with a positioning groove matched with the positioning block, and one end of the positioning block inserted into the positioning groove is a small-diameter end.

Through above-mentioned technical scheme, the locating piece can be inserted and establish into the constant head tank to the round platform form makes and need not locating piece and constant head tank and aligns completely, through pressing from both sides tight guide, the tight loading board of clamp that can be accurate.

In conclusion, the utility model has the following beneficial effects:

1. the limiting groove on the bearing plate can well place a round bar-shaped workpiece, the clamping assembly is used for clamping and fixing the clamping assembly with a machine tool, and the limiting assembly is used for limiting the position of the workpiece in the length direction of the connecting plate so as to better limit the position of the workpiece, thereby ensuring the machining precision;

2. the buffer board can be with the centre gripping of work piece on the loading board, and elastic deformation can take place for the bolster simultaneously to reserve inflation space when taking place the inflation along its length direction after giving the work piece cutting, avoid the centre gripping tension and take place cracked condition.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment;

FIG. 2 is a full sectional view of the present embodiment taken along the axis of the adjusting screw;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a full cross-sectional view of the embodiment taken in the axial direction of the clearance hole;

FIG. 5 is a schematic diagram of the position relationship between the chip guide groove and the chip collecting groove of the present embodiment;

fig. 6 is a schematic structural diagram of the limiting assembly of the present embodiment.

Reference numerals: 1. a connecting plate; 2. a carrier plate; 3. a sliding groove; 4. a sliding block; 5. a limiting groove; 6. a clamping assembly; 7. a limiting component; 8. a limiting end plate; 9. a buffer plate; 10. sliding the column; 11. a guide post; 12. a compression spring; 13. a clamping plate; 14. clamping the bolt; 15. adjusting the screw rod; 16. screwing the sheet; 17. a chip collecting groove; 18. chip removal holes; 19. a chip outlet hole; 20. abutting against the rubber pad; 21. positioning blocks; 22. positioning a groove; 23. chip guide grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, the positioning fixture of the multi-wire cutting machine comprises a connecting plate 1 and a bearing plate 2, wherein the connecting plate 1 is rectangular and plate-shaped as a whole; a group of clamping assemblies 6 and a group of limiting assemblies 7 are arranged at two ends of the connecting plate 1 in the length direction, the clamping assemblies 6 are used for clamping and fixing the connecting plate 1 on a machine tool, and the limiting assemblies 7 are used for limiting the position of a workpiece in the length direction of the connecting plate 1.

Referring to fig. 1, the clamping assembly 6 comprises an L-shaped clamping plate 13 and clamping bolts 14, wherein two ends of the clamping assembly 6 in the length direction of the connecting plate 1 are respectively provided with one group, and the clamping bolts 14 penetrate through the clamping plate 13 and are in threaded fit with the connecting plate 1; the horizontal sections of the clamping plates 13 in the two sets of clamping assemblies 6 are arranged in pairs, and the two clamping plates 13 can be fastened on the edge of a machine tool so as to more firmly connect the connecting plate 1 on the machine tool.

Referring to fig. 2, a sliding groove 3 is formed in the upper surface of the connecting plate 1 along the length direction thereof, the cross section of the sliding groove 3 is in a convex shape, and both ends of the sliding groove 3 in the length direction are open; bearing board 2 and connecting plate 1 cooperation of sliding, the both sides integrated into one piece that is close to the bottom of bearing board 2 have with 3 cooperation sliding blocks 4 that slide of sliding groove.

Referring to fig. 2 and 3, an adjusting gap is formed between the inner wall of the sliding groove 3 and the bearing plate 2 and the sliding block 4 in the width direction of the connecting plate 1, an adjusting screw 15 is in threaded fit with the connecting plate 1, and two adjusting screws 15 are arranged on two sides of the connecting plate 1; the axis of adjusting screw 15 sets up along the width direction of connecting rod, and adjusting screw 15 rotates towards the one end of loading board 2 and is connected with locating piece 21, and locating piece 21 is the round platform form, and locating piece 21 and adjusting screw 15 coaxial setting, the one end that adjusting screw 15 was kept away from to locating piece 21 are the path end. The side surface of the bearing plate 2 is provided with a positioning groove 22, the positioning block 21 can be inserted into the positioning groove 22, and the outer side wall of the positioning block 21 is attached to the inner side wall of the positioning groove 22; the matching of the truncated cone-shaped positioning block 21 and the positioning slot 22 makes it unnecessary to align precisely when assembling, and the positioning block 21 can guide the bearing plate 2 to slide to a preset position along the length direction thereof. One end of the adjusting screw 15, which is far away from the positioning block 21, is welded with a screwing piece 16, and the adjusting screw 15 can be conveniently rotated through the screwing piece 16, so that the bearing plate 2 is pushed to slide along the width direction of the bearing plate, and the position of the bearing plate 2 in the width direction of the connecting plate 1 is adjusted.

Referring to fig. 4 and 5, a limit groove 5 is formed on the bearing plate 2, the length direction of the limit groove 5 is arranged along the length direction of the bearing plate 2, the cross section of the limit groove 5 is arranged in a V shape, and both ends of the limit groove 5 in the length direction are open; the bottom of the limiting groove 5 is communicated with chip collecting grooves 17, the cross section of each chip collecting groove 17 is arc-shaped, chip guide grooves 23 communicated with the chip collecting grooves 17 are formed in the inner side wall of the limiting groove 5, the length direction of each chip guide groove 23 is perpendicular to the length direction of the limiting groove 5, and a plurality of chip guide grooves 23 are uniformly arranged along the length direction of the limiting groove 5; the bottom of the bearing plate 2 is provided with a chip removal hole 18 in a downward penetrating manner, and the chip removal hole 18 is communicated with the chip collection groove 17. A scrap outlet hole 19 is formed in the bottom of the connecting plate 1, and the scrap outlet hole 19 is a through hole; chips generated by cutting the product can flow into the chip collecting groove 17 through the chip guide groove 23 and then are discharged through the chip discharge holes 18 and the chip discharge holes 19; the situation that the accumulation of the chips affects the processing is better avoided.

Referring to fig. 6, the limiting assembly 7 includes a limiting end plate 8 and a buffer plate 9, a buffer is disposed between the limiting end plate 8 and the buffer plate 9, the limiting assembly 7 is provided with a group at each of two ends of the connecting plate 1, the limiting end plate 8 is welded at the end of the connecting plate 1, and the buffer plate 9 is in a shape of a circular plate; one side of the buffer plate 9, which faces the connecting end plate, is welded with a sliding column 10 and two guide columns 11, the sliding column 10 and the buffer plate 9 are coaxially arranged, the number of the guide columns 11 is two, and the two guide columns 11 are symmetrically arranged on two sides of the sliding column 10; the bolster is compression spring 12, and compression spring 12 cover is established on sliding column 10, compression spring 12's both ends respectively with spacing end plate 8 and buffer board 9 butt, and buffer board 9 deviates from one side of spacing end plate 8 and bonds and have butt rubber pad 20, and a side edge that butt rubber pad 20 deviates from buffer board 9 is provided with the direction inclined plane to the work piece can be easier place between two sets of spacing subassemblies 7.

The installation process briefly describes: firstly, sliding the bearing plate 2 to the middle position of the connecting plate 1 along the sliding groove 3, aligning the positioning block 21 with the positioning groove 22, and then rotating the adjusting screw 15 to clamp the bearing plate 2 on the connecting plate 1; then the connecting plate 1 is placed on a workbench of a machine tool, and the connecting plate 1 is locked on the workbench of the machine tool through a clamping bolt 14 and a clamping plate 13; and finally, placing a workpiece to be processed into the limiting groove 5 on the bearing plate 2, and pressing the workpiece to enable the workpiece to be abutted against the inner wall of the limiting groove 5.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A positioning clamp of a multi-wire cutting machine,

the device is characterized by comprising a connecting plate (1) and a bearing plate (2) arranged on the connecting plate (1) in a sliding manner, wherein a sliding groove (3) is formed in the upper surface of the connecting plate (1) along the length direction of the connecting plate, and a sliding block (4) matched with the sliding groove (3) in a sliding manner is arranged on the bearing plate (2);

the upper surface of the bearing plate (2) is provided with a limiting groove (5);

the connecting plate (1) is provided with a clamping assembly (6) connected with a machine tool platform and a limiting assembly (7) used for limiting the position of a workpiece in the length direction of the connecting plate (1).

2. The multi-wire sawing machine positioning fixture as claimed in claim 1, wherein the limiting assemblies (7) comprise limiting end plates (8) and buffer plates (9) in sliding fit with the limiting end plates (8), and the limiting assemblies (7) are respectively provided with one group at two ends of the connecting plate (1) in the length direction;

buffer board (9) slide along the length direction of connecting plate (1) and set up, be provided with elastic bolster between buffer board (9) and spacing end plate (8).

3. The multi-wire saw positioning fixture as claimed in claim 2, wherein a sliding column (10) and a guide column (11) are connected to one side of the buffer plate (9) facing the limiting end plate (8), a sliding hole in sliding fit with the sliding column (10) is formed in the limiting end plate (8), and a guide hole in sliding fit with the guide column (11) is formed in the limiting end plate (8);

the buffer piece is a compression spring (12), and the compression spring (12) is sleeved on the sliding column (10).

4. The multi-wire saw positioning fixture according to claim 1, characterized in that the clamping assembly (6) comprises an L-shaped clamping plate (13) and a clamping bolt (14), the clamping bolt (14) is in threaded fit with the connecting plate (1) through the clamping plate (13);

and the two ends of the clamping component (6) in the length direction of the connecting plate (1) are respectively provided with one group.

5. The multi-wire cutting machine positioning fixture as claimed in claim 1, wherein an adjusting gap is arranged between the inner wall of the sliding groove (3) and the bearing plate (2) and the sliding block (4), an adjusting screw (15) is screwed on the connecting plate (1), the axis of the adjusting screw (15) is arranged along the width direction of the connecting plate (1), the adjusting screw (15) abuts against the bearing plate (2), and a screw piece (16) is arranged at one end of the adjusting screw (15) far away from the bearing plate (2).

6. The multi-wire saw positioning fixture as claimed in claim 1, wherein the cross section of the limiting groove (5) is arranged in a V shape, the bottom of the limiting groove (5) is communicated with a chip collecting groove (17), the inner side wall of the limiting groove (5) is provided with chip guide grooves (23) communicated with the chip collecting groove (17), and a plurality of chip guide grooves (23) are uniformly arranged along the length direction of the limiting groove (5);

chip removal hole (18) have been communicated to chip collector groove (17) bottom, chip removal hole (18) run through the setting of loading board (2) downwards, chip removal hole (19) have been seted up to connecting plate (1) bottom, the aperture in chip removal hole (19) is greater than the aperture in chip removal hole (18).

7. The multi-wire saw positioning fixture as claimed in claim 2, wherein an abutting rubber pad (20) is arranged on one side of the buffer plate (9) far away from the limiting end plate (8).

8. The multi-wire saw positioning fixture as claimed in claim 5, wherein a positioning block (21) is rotatably connected to one end of the adjusting screw (15) facing the bearing plate (2), and the positioning block (21) is a circular table coaxially arranged with the adjusting screw (15);

the side of the bearing plate (2) is provided with a positioning groove (22) matched with the positioning block (21), and one end, inserted into the positioning groove (22), of the positioning block (21) is a small-diameter end.