CN214351725U

CN214351725U - Positioning fixture for grinding integral PCBN cutter

Info

Publication number: CN214351725U
Application number: CN202120196636.3U
Authority: CN
Inventors: 李剑; 郑晓迪; 郭增印; 王彦亭; 王秦生
Original assignee: Zhengzhou Vantrans Smart Manufacturing Technology Co ltd
Current assignee: Zhengzhou Vantrans Smart Manufacturing Technology Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-10-08
Anticipated expiration: 2031-01-25

Abstract

The utility model relates to a PCBN cutter machining anchor clamps technical field, concretely relates to whole PCBN is positioning fixture for cutter grinding, which comprises a fixing base, one side of fixed baseplate is equipped with left baffle, fixed baseplate's opposite side is equipped with right baffle, the level is equipped with set screw on left side baffle and the right baffle respectively, fixed baseplate's top is equipped with the location voussoir, the location voussoir adopts the right trapezoid massive structure, the constant head tank has been seted up at the inner wall top of right baffle, the inner wall top that the inclined plane of location voussoir passes through constant head tank and right baffle contacts, the vertical set screw that is equipped with on the location voussoir, the location voussoir passes through set screw to be fixed on fixed baseplate, be equipped with between location voussoir and the left baffle and treat grinding PCBN blade. The utility model provides a clamping is convenient, and stability is strong, reduces the clamping number of times of PCBN blade, has improved the accuracy of grinding PCBN blade greatly, is convenient for install or the whole PCBN for the cutter grinding positioning fixture who dismantles.

Description

Positioning fixture for grinding integral PCBN cutter

Technical Field

The utility model relates to a PCBN cutter adds clamping apparatus technical field, concretely relates to whole PCBN is positioning fixture for cutter grinding.

Background

When the side face of the PCBN blade is roughly ground at present, because the grinding amount of the blade is large, only one side face can be ground by one-time clamping of a traditional clamp, the structure of the clamp is complex, the size consistency of the ground blade is poor, the subsequent grinding precision is influenced, and the requirement on production efficiency is difficult to meet; and the operating mode of traditional anchor clamps is troublesome moreover, and the workman of being inconvenient carries out the clamping operation, leads to the efficiency of grinding PCBN blade to receive the influence.

Therefore, the fixture for grinding the integral PCBN cutter is convenient to produce, has strong stability, reduces the clamping times of the PCBN cutter, greatly improves the accuracy of grinding the PCBN cutter, is convenient to mount or dismount, and has wide market prospect.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a clamping is convenient, and stability is strong, reduces the clamping number of times of PCBN blade, has improved the accuracy of grinding PCBN blade greatly, is convenient for install or the whole PCBN for the cutter grinding positioning fixture who dismantles for overcome defect among the prior art.

The utility model adopts the technical proposal that: the utility model provides a whole PCBN is positioning fixture for cutter grinding, which comprises a fixed base, one side of fixed base is equipped with left baffle, fixed base's opposite side is equipped with right baffle, the level is equipped with fixing screw on left baffle and the right baffle respectively, left side baffle and right baffle are fixed on fixed base's lateral wall through fixing screw respectively, fixed base's top is equipped with the location voussoir, the location voussoir adopts right trapezoid block structure, the top surface length of location voussoir is not less than the bottom surface length of location voussoir, the constant head tank has been seted up at the inner wall top of right baffle, the inclined plane of location voussoir contacts through the inner wall top of constant head tank with right baffle, the vertical positioning screw that is equipped with on the location voussoir, the location voussoir passes through positioning screw to be fixed on fixed base, be equipped with between location voussoir and the left baffle and treat that the grinding PCBN blade presss from both sides tightly to be fixed on fixed base through location voussoir and left baffle.

The fixed base adopts a diamond-shaped block structure, the left baffle and the right baffle respectively adopt a diamond-shaped plate structure, the included angle of the bottom end of the fixed base is 95-105 degrees, and the cross section shapes of the left baffle and the right baffle are matched with the cross section shape of the fixed base.

The top of fixed baseplate seted up the fixed slot, the fixed slot is seted up to the other end of fixed baseplate along fixed baseplate's one end, wait that grinding PCBN blade and location voussoir are equipped with respectively in the fixed slot, wait that the cross-sectional shape of grinding PCBN blade one side and the cross-sectional shape of location voussoir are identical with the cross-sectional shape of fixed slot respectively.

The top of the fixed base is provided with an auxiliary groove, the auxiliary groove is arranged at the other end of the fixed base along one end of the fixed base, and the top end of the auxiliary groove is communicated with the bottom end of the fixed groove.

The side wall of the fixing base is provided with a screw fixing hole, the middle lower part of the fixing screw is sleeved in the screw fixing hole, the aperture of the screw fixing hole is matched with the diameter of the fixing screw, and the screw fixing hole is in threaded connection with the fixing screw.

The left baffle on be equipped with three set screw, wherein two set screw symmetries are equipped with the both sides of left baffle, another set screw establishes in the bottom of left baffle, has seted up left shelves spacing groove on the left baffle, left shelves spacing groove adopts cascaded circular groove-shaped structure, set screw's top suit is at left shelves spacing inslot, the diameter on set screw top is not less than the minimum diameter in left shelves spacing groove.

The right baffle on be equipped with two set screws, two set screws symmetry are equipped with the both sides of right baffle, have seted up right shelves fixed slot on the right baffle, right shelves fixed slot adopts cascaded circular slot-shaped structure, set screw's top suit is in right shelves fixed slot, the diameter on set screw top is not less than the minimum diameter of right shelves fixed slot.

The inclined plane of the positioning wedge block and the vertical plane form an included angle of 25-35 degrees, and the included angle of the top of the inner wall of the right baffle plate and the vertical plane is matched with the included angle of the inclined plane of the positioning wedge block and the vertical plane.

The top surface of the fixing base is provided with a screw positioning hole, the middle lower part of the positioning screw is sleeved in the screw positioning hole, the diameter of the screw positioning hole is matched with that of the positioning screw, the screw positioning hole is in threaded connection with the positioning screw, a positioning screw groove is formed in the positioning wedge block and adopts a stepped circular groove-shaped structure, the top of the positioning screw is sleeved in the positioning screw groove, and the diameter of the top end of the positioning screw is not smaller than the minimum diameter of the positioning screw groove.

The utility model has the advantages that: firstly, the utility model comprises a fixed base, one side of the fixed base is provided with a left baffle, the other side of the fixed base is provided with a right baffle, the left baffle and the right baffle are respectively horizontally provided with a fixing screw, the left baffle and the right baffle are respectively fixed on the side wall of the fixed base through the fixing screws, a positioning wedge block is arranged above the fixed base, the positioning wedge block adopts a right-angle trapezoid block structure, the length of the top surface of the positioning wedge block is not less than that of the bottom surface of the positioning wedge block, the top of the inner wall of the right baffle is provided with a positioning groove, the inclined surface of the positioning wedge block is contacted with the top of the inner wall of the right baffle through the positioning groove, the positioning wedge block is vertically provided with the positioning screw, the positioning wedge block is fixed on the fixed base through the positioning screw, a PCBN blade to be ground is arranged between the positioning wedge block and the left baffle, the PCBN blade to be ground is clamped and fixed on the fixed base through the positioning wedge block, the utility model is convenient for the installation or the disassembly of the left baffle and the right baffle through the arranged fixing screws, and is convenient for the installation or the disassembly of the positioning wedge block through the arranged positioning screws, thereby being convenient for the installation or the disassembly of the utility model, and is convenient for the clamping and the fixation of the PCBN blade to be ground through the arranged positioning wedge block; secondly, the utility model discloses a fixed baseplate that is equipped with adopts diamond-shaped block structure, and the cross sectional shape of left baffle and right baffle is identical with the cross sectional shape of fixed baseplate, is convenient for with the utility model discloses install fixed to the flat grinder workstation, set up the fixed slot through the top of fixed baseplate, be convenient for treat grinding PCBN blade carry on spacing, improved the accuracy of grinding treatment PCBN blade greatly to and reduce the number of times of clamping PCBN blade, treat grinding PCBN blade through a clamping promptly, treat grinding the both sides of PCBN blade and grind; thirdly, the utility model avoids the contact between the cutting edge of the grinding PCBN blade and the fixed base through the arranged auxiliary groove, namely the grinding-free PCBN blade and the fixed base are damaged, and the positioning wedge block is convenient to clamp the to-be-ground PCBN blade, thereby improving the clamping efficiency of the grinding PCBN blade; additionally, the utility model discloses a be equipped with three set screw on the baffle of a left side to and be equipped with two set screw on the baffle of the right side, ensure the fixed stability of baffle of a left side and baffle of the right side, and seted up the screw locating hole on the top surface through fixed baseplate, thereby be convenient for the location voussoir to treat that grinding PCBN blade carries on spacingly and fixed, improves the utility model discloses a stability makes the utility model discloses have fine society and economic benefits, be the product of easily using widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a schematic structural view of the right baffle of the present invention.

Fig. 4 is a schematic sectional view in the direction of a-a in fig. 3.

Fig. 5 is a schematic structural view of the middle fixing base of the present invention.

Fig. 6 is a schematic cross-sectional view taken along the direction B-B in fig. 5.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5 and 6, a positioning fixture for grinding an integral PCBN cutter comprises a fixed base 1, a left baffle 2 is arranged on one side of the fixed base 1, a right baffle 3 is arranged on the other side of the fixed base 1, a fixing screw 4 is respectively horizontally arranged on the left baffle 2 and the right baffle 3, the left baffle 2 and the right baffle 3 are respectively fixed on the side wall of the fixed base 1 through the fixing screw 4, so that the left baffle 2 and the right baffle 3 are convenient to mount or dismount, a positioning wedge block 5 is arranged above the fixed base 1, the positioning wedge block 5 adopts a right trapezoid block structure, the length of the top surface of the positioning wedge block 5 is not less than that of the bottom surface of the positioning wedge block 5, a positioning groove 6 is arranged at the top of the inner wall of the right baffle 3, an inclined surface of the positioning wedge block 5 is in contact with the top of the inner wall of the right baffle 3 through the positioning groove 6, a positioning screw 7 is vertically arranged on the positioning wedge block 5, the positioning wedge block 5 is fixed on the fixed base 1 through the positioning screw 7, the PCBN blade 8 to be ground is arranged between the positioning wedge block 5 and the left baffle 2, and the PCBN blade 8 to be ground is clamped and fixed on the fixed base 1 through the positioning wedge block 5 and the left baffle 2, so that the PCBN blade 8 to be ground is conveniently clamped.

The fixed base 1 adopts a diamond-shaped block structure, the left baffle 2 and the right baffle 3 respectively adopt a diamond-shaped plate structure, the included angle of the bottom end of the fixed base 1 is 95-105 degrees, and the cross sectional shapes of the left baffle 2 and the right baffle 3 are matched with the cross sectional shape of the fixed base 1, so that the utility model is convenient to install and fix on the surface grinding machine workbench; the top end of the fixed base 1 is provided with a fixed groove 9, the fixed groove 9 is arranged at the other end of the fixed base 1 along one end of the fixed base 1, a PCBN blade 8 to be ground and the positioning wedge block 5 are respectively sleeved in the fixed groove 9, and the cross-sectional shape of one side of the PCBN blade 8 to be ground and the cross-sectional shape of the positioning wedge block 5 are respectively matched with the cross-sectional shape of the fixed groove 9, so that the clamping stability of the PCBN blade 8 to be ground is improved, and the accuracy of grinding the PCBN blade 8 to be ground is greatly improved; the top of fixed baseplate 1 seted up auxiliary tank 10, auxiliary tank 10 sets up to the other end of fixed baseplate 1 along the one end of fixed baseplate 1, and two are expert mutually in the top of auxiliary tank 10 and the bottom of fixed slot 9, avoid treating that the cutting edge of grinding PCBN blade 8 contacts with fixed baseplate 1, avoid grinding PCBN blade 8 and fixed baseplate 1 to appear the damage to and be convenient for location voussoir 5 presss from both sides tightly treats grinding PCBN blade 8, improve the clamping efficiency of grinding PCBN blade 8.

The side wall of the fixing base 1 is provided with a screw fixing hole 11, the middle lower part of the fixing screw 4 is sleeved in the screw fixing hole 11, the aperture of the screw fixing hole 11 is matched with the diameter of the fixing screw 4, and the screw fixing hole 11 is in threaded connection with the fixing screw 4, so that the left baffle plate 2 and the right baffle plate 3 can be conveniently installed or detached; the left baffle plate 2 is provided with three fixing screws 4, two of the fixing screws 4 are symmetrically provided with two sides of the left baffle plate 2, the other fixing screw 4 is arranged at the bottom of the left baffle plate 2, the left baffle plate 2 is provided with a left gear limiting groove 12, the left gear limiting groove 12 adopts a stepped circular groove-shaped structure, the top of the fixing screw 4 is sleeved in the left gear limiting groove 12, and the diameter of the top end of the fixing screw 4 is not smaller than the minimum diameter of the left gear limiting groove 12, so that the fixing stability of the left baffle plate 2 is ensured; right baffle 3 on be equipped with two set screw 4, two set screw 4 symmetries are equipped with the both sides of right baffle 3, have seted up right shelves fixed slot 13 on the right baffle 3, right shelves fixed slot 13 adopts cascaded circular slot-shaped structure, set screw 4's top suit is in right shelves fixed slot 13, the diameter on set screw 4 top is not less than the minimum diameter of right shelves fixed slot 13 to ensure the stability that right baffle 3 is fixed.

The included angle between the inclined plane of the positioning wedge block 5 and the vertical plane is 25-35 degrees, and the included angle between the top of the inner wall of the right baffle 3 and the vertical plane is matched with the included angle between the inclined plane of the positioning wedge block 5 and the vertical plane; the top surface of the fixed base 1 is provided with a screw positioning hole 14, the middle lower part of the positioning screw 7 is sleeved in the screw positioning hole 14, the aperture of the screw positioning hole 14 is matched with the diameter of the positioning screw 7, the screw positioning hole 14 is in threaded connection with the positioning screw 7, so that the positioning wedge block 5 is convenient to mount or dismount, a positioning screw groove 15 is formed in the positioning wedge block 5, the positioning screw groove 15 is of a stepped circular groove-shaped structure, the top of the positioning screw 7 is sleeved in the positioning screw groove 15, the diameter of the top end of the positioning screw 7 is not smaller than the minimum diameter of the positioning screw groove 15, and therefore the positioning wedge block 5 is convenient to limit and fix the PCBN blade 8 to be ground.

The use method of the product is as follows: as shown in fig. 1, 2, 3, 4, 5 and 6, firstly, fixing a left baffle plate 2 and a right baffle plate 3 on two sides of a fixed base 1 respectively through fixing screws 4, placing a to-be-ground PCBN blade 8 into a fixed groove 9, enabling one side of the to-be-ground PCBN blade 8 to be in contact with the inner wall of the left baffle plate 2, placing a positioning wedge block 5 into the fixed groove 9, and clamping and fixing the to-be-ground PCBN blade 8 between the left baffle plate 2 and the positioning wedge block 5 by screwing down a positioning screw 7; then, fixing one bottom surface of the product on a surface grinding machine workbench, namely obliquely fixing the product on the surface grinding machine workbench so as to grind one group of side surfaces of the PCBN blade 8 to be ground, and after grinding is finished, fixing the other bottom surface of the product on the surface grinding machine workbench so as to finish grinding the other group of side surfaces of the PCBN blade 8 to be ground; then, the positioning screw 7 is unscrewed, the PCBN blade 8 to be ground is taken out and reversed, the reversed PCBN blade 8 to be ground is placed in the fixing groove 9, the PCBN blade 8 to be ground is clamped and fixed by screwing the positioning screw 7, the steps are repeated, two bottom surfaces of the product are fixed on a surface grinding machine workbench respectively, and therefore the PCBN blade 8 to be ground is processed, and the processing requirement of the PCBN blade is met.

The utility model discloses a clamping is convenient, and stability is strong, reduces the clamping number of times of PCBN blade, has improved the accuracy of grinding PCBN blade greatly, is convenient for install or the whole PCBN positioning fixture for cutter grinding of dismantling, makes the utility model discloses extensive market prospect has.

Claims

1. The utility model provides a whole PCBN positioning fixture for cutter grinding which characterized in that: comprises a fixed base (1), one side of the fixed base (1) is provided with a left baffle (2), the other side of the fixed base (1) is provided with a right baffle (3), the left baffle (2) and the right baffle (3) are respectively and horizontally provided with a fixing screw (4), the left baffle (2) and the right baffle (3) are respectively fixed on the side wall of the fixed base (1) through the fixing screw (4), a positioning wedge block (5) is arranged above the fixed base (1), the positioning wedge block (5) adopts a right-angled trapezoid block structure, the length of the top surface of the positioning wedge block (5) is not less than that of the bottom surface of the positioning wedge block (5), the top of the inner wall of the right baffle (3) is provided with a positioning groove (6), the inclined surface of the positioning wedge block (5) is contacted with the top of the inner wall of the right baffle (3) through the positioning groove (6), the positioning screw (7) is vertically arranged on the positioning wedge block (5), the locating wedge block (5) is fixed on the fixed base (1) through a locating screw (7), a PCBN blade (8) to be ground is arranged between the locating wedge block (5) and the left baffle (2), and the PCBN blade (8) to be ground is clamped and fixed on the fixed base (1) through the locating wedge block (5) and the left baffle (2).

2. The positioning jig for grinding of unitary PCBN tools as set forth in claim 1, wherein: the fixed base (1) adopts a diamond-shaped block structure, the left baffle (2) and the right baffle (3) respectively adopt a diamond-shaped plate structure, the included angle of the bottom end of the fixed base (1) is 95-105 degrees, and the cross section shapes of the left baffle (2) and the right baffle (3) are matched with the cross section shape of the fixed base (1).

3. The positioning jig for grinding of unitary PCBN tools as set forth in claim 1, wherein: the top of fixed baseplate (1) seted up fixed slot (9), the other end to fixed baseplate (1) is seted up along the one end of fixed baseplate (1) to fixed slot (9), wait that grinding PCBN blade (8) and location voussoir (5) overlap respectively in being equipped with fixed slot (9), wait that the cross sectional shape of grinding PCBN blade (8) one side and the cross sectional shape of location voussoir (5) are identical with the cross sectional shape of fixed slot (9) respectively.

4. A positioning jig for grinding of unitary PCBN tools as claimed in claim 3, in which: the top of the fixed base (1) is provided with an auxiliary groove (10), the auxiliary groove (10) is arranged at the other end of the fixed base (1) along one end of the fixed base (1), and the top end of the auxiliary groove (10) is communicated with the bottom end of the fixed groove (9).

5. The positioning jig for grinding of unitary PCBN tools as set forth in claim 1, wherein: the side wall of the fixing base (1) is provided with a screw fixing hole (11), the middle lower part of the fixing screw (4) is sleeved in the screw fixing hole (11), the aperture of the screw fixing hole (11) is matched with the diameter of the fixing screw (4), and the screw fixing hole (11) is in threaded connection with the fixing screw (4).

6. The positioning jig for grinding of unitary PCBN tools as set forth in claim 1, wherein: left baffle (2) on be equipped with three set screw (4), wherein two set screw (4) symmetry are equipped with the both sides of left baffle (2), the bottom at left baffle (2) is established in another set screw (4), left side shelves spacing groove (12) have been seted up on left baffle (2), left side shelves spacing groove (12) adopt cascaded circular slot-shaped structure, the top suit of set screw (4) is in left side shelves spacing groove (12), the diameter on set screw (4) top is not less than the minimum diameter of left side shelves spacing groove (12).

7. The positioning jig for grinding of unitary PCBN tools as set forth in claim 1, wherein: right baffle (3) on be equipped with two set screw (4), two set screw (4) symmetry are equipped with the both sides of right baffle (3), have seted up right shelves fixed slot (13) on right baffle (3), right shelves fixed slot (13) adopt cascaded circular slot-shaped structure, the top suit of set screw (4) is in right shelves fixed slot (13), the diameter on set screw (4) top is not less than the minimum diameter of right shelves fixed slot (13).

8. The positioning jig for grinding of unitary PCBN tools as set forth in claim 1, wherein: the included angle between the inclined plane of the positioning wedge block (5) and the vertical plane is 25-35 degrees, and the included angle between the top of the inner wall of the right baffle plate (3) and the vertical plane is matched with the included angle between the inclined plane of the positioning wedge block (5) and the vertical plane.

9. The positioning jig for grinding of unitary PCBN tools as set forth in claim 1, wherein: the top surface of the fixing base (1) is provided with a screw positioning hole (14), the middle lower part of the positioning screw (7) is sleeved in the screw positioning hole (14), the aperture of the screw positioning hole (14) is matched with the diameter of the positioning screw (7), the screw positioning hole (14) is in threaded connection with the positioning screw (7), a positioning screw groove (15) is formed in the positioning wedge block (5), the positioning screw groove (15) is of a stepped circular groove-shaped structure, the top of the positioning screw (7) is sleeved in the positioning screw groove (15), and the diameter of the top end of the positioning screw (7) is not smaller than the minimum diameter of the positioning screw groove (15).