CN213318974U

CN213318974U - Clamp for processing bit leg

Info

Publication number: CN213318974U
Application number: CN202022374450.0U
Authority: CN
Inventors: 黄敏
Original assignee: Suzhou Selecos Tools Co ltd
Current assignee: Suzhou Selecos Tools Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-01
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a clamp for processing a bit leg, which comprises a clamping plate and a portal frame, wherein the middle part of the clamping plate is provided with a limit hole matched with a V block, the clamping plate is also provided with a crack, and the crack penetrates through the limit hole; the clamping seam divides the clamping plate into a fixed plate part and a movable plate part, one end of the movable plate part is fixedly connected with the fixed plate part, and the other end of the movable plate part is connected with the fixed plate part through a fastener; the portal frame comprises a portal frame main body, two ends of the portal frame main body respectively extend downwards to form clamping arms, and the clamping arms extend inwards to form clamping protrusions matched with the clamping grooves in the V blocks; meanwhile, the portal frame main body is also in threaded connection with a locking bolt for clamping the bit leg. Compared with the prior art, the fixture can reduce the die change time, and further improve the machining efficiency of the bit leg.

Description

Clamp for processing bit leg

Technical Field

The utility model relates to a palm processing technology field, more specifically say, it relates to the anchor clamps of processing palm.

Background

In the course of working of bit leg, many positions of bit leg all need fix a position with the V piece, and the bottom of the V piece among the prior art is the cylinder, and the upper portion of V piece forms the V-arrangement recess that is used for fixing a position the bit leg. The installation angle of the V-shaped block is different when each part of the bit leg is processed, and meanwhile, the torsion angle of the bit leg per se needs the V-shaped block with different torsion angles, so that the V-shaped block needs to be replaced or the V-shaped block needs to be repositioned every time of die replacement, the die replacement time is prolonged, and the processing efficiency is influenced. In order to save the die change time and improve the working efficiency, a clamp capable of adjusting the angle of the V block is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fixture for processing the bit leg, the use of this fixture can reduce retooling time, and then can improve the machining efficiency of bit leg.

In order to achieve the above purpose, the utility model provides a following technical scheme: the fixture for machining the bit leg comprises a clamping plate and a portal frame, wherein a limiting hole matched with the V block is formed in the middle of the clamping plate, a crack is further formed in the clamping plate, and the crack penetrates through the limiting hole; the clamping seam divides the clamping plate into a fixed plate part and a movable plate part, one end of the movable plate part is fixedly connected with the fixed plate part, and the other end of the movable plate part is connected with the fixed plate part through a fastener;

the portal frame comprises a portal frame main body, two ends of the portal frame main body respectively extend downwards to form clamping arms, and the clamping arms extend inwards to form clamping protrusions matched with the clamping grooves in the V blocks; meanwhile, the portal frame main body is also in threaded connection with a locking bolt for clamping the bit leg.

In an actual process of machining the bit leg, firstly, the fixture is fixed on a fourth shaft of the machining center, and specifically, a fixing plate portion of the fixture is fixed on the fourth shaft; then, the bottom of the V block is embedded into the limiting hole, the movable plate part is locked through a fastener, and the V block is clamped in the limiting hole to prevent the V block from rotating; secondly, the bit leg is embedded into the V-shaped groove on the V-shaped block, the clamping protrusion on the clamping arm of the portal frame is clamped in the clamping groove on the V-shaped block, and meanwhile, the locking bolt is rotated to enable the locking bolt to abut against the bit leg, so that the bit leg is positioned on the V-shaped block. If the torsion angle of the V block needs to be adjusted, the locking end of the movable plate part is separated from the fixed plate part by adjusting the fastener, and at the moment, the installation angle of the V block can be adjusted (such as rotating the V block). Therefore, compared with the prior art, the fixture can reduce the die change time and further improve the machining efficiency of the bit leg.

Preferably, the other end of the movable plate part is further connected with an adjusting screw in a threaded manner, and the adjusting screw can be rotated to be close to or far away from the fixed plate part; the adjusting screw is close to and supports against the fixed plate part, and then the movable plate part can be urged to be far away from the fixed plate part.

Preferably, the fixing end of the movable plate part is one end fixedly connected with the fixed plate part, and a first through hole communicated with the gap is formed in the part, close to the fixing end of the movable plate part, of the clamping plate.

Preferably, an angle scale is arranged on the fixing plate portion around the limiting hole.

Preferably, the shape of the clamping plate is a quadrangle, and the gap is arranged along the diagonal line of the quadrangle.

Preferably, the bottom of the fixing plate part is provided with two first key slots which are perpendicular to each other, and a second key slot is formed in the fourth shaft corresponding to the first key slot; when the fixing plate part is assembled with the fourth shaft, a key strip is arranged in the second key groove, the upper end of the key strip is embedded into the first key groove, the lower end of the key strip is embedded into the second key groove, and then the fixing plate part is positioned on the fourth shaft.

Preferably, the fixing plate part is provided with a plurality of second through holes, and the fastening piece penetrates through the second through holes and is fixedly connected with the fourth shaft, so that the clamp is installed on the fourth shaft.

To sum up, the utility model discloses following beneficial effect has:

1. in the actual process of processing the bit leg, the clamp can reduce the time for changing the mold, thereby improving the processing efficiency of the bit leg;

2. the movable plate part of the clamp is in threaded connection with an adjusting screw, the adjusting screw is rotated to be abutted against the fixed plate part and to be driven to be far away from the fixed plate part, and the mounting angle of the V block can be adjusted, so that the whole operation is simple and rapid;

3. the clamp plate of the clamp is provided with a first through hole communicated with the crack, and the connecting part of the fixed plate part and the movable plate part is easy to deform due to the arrangement of the first through hole.

Drawings

FIG. 1 is a schematic structural view of a clamping bit leg of the fixture according to the present invention;

fig. 2 is a schematic structural view of the splint of the present invention.

Reference numerals: 1. a splint; 2. a gantry; 3. v block; 4. a limiting hole; 5. a V-shaped groove; 6. a fixed plate portion; 7. a flap portion; 8. a gantry body; 9. clamping arms; 10. a second through hole; 11. an adjusting screw; 12. an angle scale; 13. a first keyway.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The embodiment discloses a fixture for machining a bit leg, which comprises a clamping plate 1 and a portal frame 2, wherein a limiting hole 4 matched with a V-shaped block 3 is formed in the middle of the clamping plate 1, the bottom of the V-shaped block 3 is cylindrical, a V-shaped groove 5 used for positioning the bit leg is formed in the upper portion of the V-shaped block 3, and clamping grooves are formed in two opposite sides of the V-shaped block 3; the splint 1 is also provided with a crack which penetrates through the limiting hole 4; the splint 1 is divided into a fixed plate part 6 and a movable plate part 7 by the crack, one end of the movable plate part 7 is fixedly connected with the fixed plate part 6, and the other end of the movable plate part 7 is connected with the fixed plate part 6 through a fastener; the portal frame 2 comprises a portal frame main body 8, the portal frame main body 8 is of a beam structure, two ends of the portal frame main body 8 are respectively extended downwards to form clamping arms 9, a space for accommodating a bit leg is formed between the two clamping arms 9, and the clamping arms 9 are extended inwards to form clamping protrusions matched with clamping grooves in the V-shaped block 3; meanwhile, the portal frame main body 8 is also in threaded connection with a locking bolt for clamping the bit leg. Wherein, one end of the fixed connection between the movable plate part 7 and the fixed plate part 6 is a fixed end of the movable plate part 7, and the other end of the movable plate part 7 is a locking end of the movable plate part 7; the clamping plate 1 and the portal frame 2 are made of steel or other materials. In the actual process of processing the bit leg, firstly, the fixture is fixed on a fourth shaft of a processing center, specifically, a plurality of second through holes 10 are formed in the fixing plate portion 6, and a fastener penetrates through the second through holes 10 and is fixedly connected with the fourth shaft, so that the fixture is installed on the fourth shaft; then, the bottom of the V-shaped block 3 is embedded into the limiting hole 4, the movable plate part 7 is locked through a fastening piece, and the V-shaped block 3 is clamped in the limiting hole 4 to prevent the V-shaped block 3 from rotating; secondly, the bit leg is embedded into the V-shaped groove 5 on the V-shaped block 3, the clamping protrusions on the clamping arms 9 of the portal frame 2 are clamped in the clamping grooves on the V-shaped block 3, at the moment, the bit leg is located between the two clamping arms 9, and meanwhile, the locking bolt on the portal frame main body 8 is rotated to enable the bit leg to be abutted against the bit leg, so that the bit leg is positioned on the V-shaped block 3. If the torsion angle of the V-block 3 needs to be adjusted, the fastening member is adjusted to separate the locking end of the movable plate portion 7 from the fixed plate portion 6, and at this time, the installation angle of the V-block 3 can be adjusted (e.g., the V-block 3 is rotated). Therefore, compared with the prior art, the fixture can reduce the die change time and further improve the machining efficiency of the bit leg. The fixture is matched with a fourth shaft of a machining center, the four-shaft machining center is upgraded to five shafts, and fixed-shaft drilling or milling is realized on the bit legs with various specifications.

Preferably, the other end of the movable plate portion 7 is further connected with an adjusting screw 11 in a threaded manner, namely, the adjusting screw 11 is a locking end of the movable plate portion 7, and the adjusting screw 11 can be rotated to be close to or far away from the fixed plate portion 6; the adjustment screw 11 is brought close to and against the fixed plate portion 6, and is able to urge the movable plate portion 7 away from the fixed plate portion 6. When adjusting the twist angle of the V-block 3, first, the fastening member is adjusted to make the locking end of the movable plate portion 7 and the fixed plate portion 6 in a relaxed state; then, the adjusting screw 11 is rotated to be abutted against the fixed plate part 6, and the movable plate part 7 is forced to be far away from the fixed plate part 6, and at the moment, the installation angle of the V block 3 can be adjusted; after the V block 3 is adjusted to a proper installation angle, the movable plate part 7 is locked through the fastener, and then the V block 3 is clamped in the limiting hole 4 of the clamping plate 1 again. Therefore, the whole operation is simple and quick.

In the above technical solution, further, a first through hole communicated with the slit is provided at a position on the splint 1 near the fixed end of the movable plate portion 7. When the movable plate portion 7 is close to or far from the fixed plate portion 6, the connecting portion between the fixed plate portion 6 and the movable plate portion 7 is deformed; the arrangement of the first through hole can enable the connecting part to be easily deformed.

An angle scale 12 is provided around the stopper hole 4 on the fixed plate portion 6, and when the V block 3 is adjusted, the movable plate portion 7 is locked after aligning a reference line on the V block 3 with a scale line of a predetermined angle. The outer shape of the splint 1 is not particularly limited, and may be polygonal or other shapes; in this embodiment, the shape of the splint 1 is quadrilateral, which may be square, and the slit is arranged along the diagonal of the quadrilateral.

In order to avoid the rotation of the clamping plate, the bottom of the fixing plate part 6 is further provided with two first key grooves 13 which are vertical to each other, and a second key groove is formed on the fourth shaft corresponding to the first key groove 13; when the fixing plate portion 6 is assembled with the fourth shaft, a spline is provided in the second key groove, the upper end of the spline is embedded in the first key groove 13, and the lower end of the spline is embedded in the second key groove, thereby positioning the fixing plate portion 6 on the fourth shaft.

Wherein, the fastener is screw or bolt.

In the present invention, it should be understood that the terms "upper" and "lower" indicate the orientation or the position relationship based on the orientation or the position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and therefore, the present invention is not limited thereto.

The directions given in the present embodiment are merely for convenience of describing positional relationships between the respective members and the relationship of fitting with each other. It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The anchor clamps of processing bit leg, characterized by: the clamping device comprises a clamping plate (1) and a portal frame (2), wherein a limiting hole (4) matched with a V-shaped block (3) is formed in the middle of the clamping plate (1), a crack is further formed in the clamping plate (1), and the crack penetrates through the limiting hole (4); the clamping seam divides the splint (1) into a fixed plate part (6) and a movable plate part (7), one end of the movable plate part (7) is fixedly connected with the fixed plate part (6), and the other end of the movable plate part (7) is connected with the fixed plate part (6) through a fastener;

the portal frame (2) comprises a portal frame main body (8), two ends of the portal frame main body (8) respectively extend downwards to form clamping arms (9), and the clamping arms (9) extend inwards to form clamping protrusions matched with clamping grooves in the V-shaped blocks (3); meanwhile, the portal frame main body (8) is also in threaded connection with a locking bolt for clamping the bit leg.

2. The fixture for machining a bit leg as claimed in claim 1, wherein: the other end of the movable plate part (7) is also in threaded connection with an adjusting screw (11), and the adjusting screw (11) can be rotated to be close to or far away from the fixed plate part (6); the adjusting screw (11) is close to and abutted against the fixed plate part (6), and further can urge the movable plate part (7) to be far away from the fixed plate part (6).

3. The fixture for machining a bit leg as claimed in claim 1 or 2, wherein: the one end of using activity board portion (7) and fixed plate portion (6) fixed connection is the stiff end of activity board portion (7), splint (1) are gone up to be close to the position of the stiff end of activity board portion (7) seted up with the first through-hole that the crack is linked together.

4. The fixture for machining a bit leg as claimed in claim 1, wherein: an angle graduated scale (12) is arranged on the fixing plate part (6) around the limiting hole (4).

5. The fixture for machining a bit leg as claimed in claim 1, wherein: the shape of the clamping plate (1) is quadrilateral, and the crack is arranged along the diagonal line of the quadrilateral.

6. The fixture for machining a bit leg as claimed in claim 1, wherein: the bottom of the fixed plate part (6) is provided with two first key grooves (13) which are vertical to each other, and the fourth shaft corresponding to the first key grooves (13) is provided with a second key groove; when the fixing plate part is assembled with the fourth shaft, a key strip is arranged in the second key groove, the upper end of the key strip is embedded into the first key groove (13), the lower end of the key strip is embedded into the second key groove, and then the fixing plate part is positioned on the fourth shaft.

7. The fixture for machining a bit leg as claimed in claim 1, wherein: a plurality of second through holes (10) are formed in the fixing plate portion (6), the fasteners penetrate through the second through holes (10) and are fixedly connected with a fourth shaft, and then the clamp is installed on the fourth shaft.