CN216542730U - Shallow hole bores stalk portion grinding fixture - Google Patents

Abstract

The application provides a shallow hole brill stalk portion grinding fixture includes: the first top point is butted against the end part of the drill shank of the shallow hole drill; the butting mechanism is butted against the end part of the tool bit of the shallow hole drill; the mechanism of butting includes: a base plate having an axis parallel to the axis of the first center and having an abutment surface for abutting against the end of the bit of the shallow hole drill; the pair of clamping pieces are arranged on the abutting surfaces and provided with clamping grooves for clamping the tool bit; the first fine adjustment assembly is arranged on the chassis and used for driving the clamping piece to move along a first direction; the second fine adjustment assembly is arranged on the chassis and used for driving the chassis to drive the clamping piece to move along a second direction; the first direction and the second direction are both parallel to the abutting surfaces and form included angles. The four-way fine adjustment of the shallow hole drill can be realized through the first fine adjustment assembly and the second fine adjustment assembly, and the condition that the drill body is damaged due to overlarge jumping amplitude in the grinding and rotating process of the drill handle of the shallow hole drill is prevented.

Description

Shallow hole bores stalk portion grinding fixture

Technical Field

The application relates to a shallow hole bores grinding technical field, concretely relates to shallow hole bores stalk portion grinding fixture.

Background

After the innovation, the manufacturing industry of China begins to rise rapidly, a plurality of domestic manufacturing industries and heavy industrial products are produced in large quantities, advertisements of various products begin to exist on televisions, and the market begins to have a situation of short supply and short demand. Hole machining is indispensable for all manufacturing industries because it has a particularly large specific gravity. The shallow hole drill in the drill also occupies a very large specific gravity, and the shallow hole drill is also called a u drill or a violent drill, so that the shallow hole drill is simple and rough, and has a wide application range. All trades can be involved and hunt, but the condition that shallow hole bores the confession and meets the demands appears, the leading cause is because the drill shank size requirement is more strict in the shallow hole bores manufacturing process, need grind to the required size, during the shank grinding, the shallow hole bores through both sides top-to-top with it be fixed in the grinding machine, thereby rotate shallow hole bores through the grinding machine drive shallow hole and carry out the grinding to shallow hole drill shank portion, if the top axis of both sides is inconsistent, the shallow hole bores does not align promptly, just can lead to the shallow hole to bore and beat and surpass reasonable scope, lead to the condition of shank damage.

Disclosure of Invention

In view of the above-mentioned drawbacks or deficiencies in the prior art, the present application is directed to a grinding clamp for a shank of a shallow hole drill, comprising:

the first top point is butted against the end part of the drill shank of the shallow hole drill;

the opposite-jacking mechanism is opposite-jacked at the end part of the tool bit of the shallow hole drill;

the mechanism of butting includes:

a base plate having an axis parallel to the axis of the first tip and having an abutment surface for abutting against the end of the bit of the shallow hole drill;

a pair of clamping pieces which are arranged on the abutting surfaces and are provided with clamping grooves for clamping the tool bit;

the first fine adjustment assembly is arranged on the chassis and used for driving the clamping piece to move along a first direction;

the second fine adjustment assembly is arranged on the chassis and used for driving the chassis to drive the clamping piece to move along a second direction;

the first direction and the second direction are both parallel to the abutting surfaces and form included angles.

According to the technical scheme provided by the embodiment of the application, a slot for inserting the second tip is formed in one side, far away from the abutting surface, of the chassis; one end of the second center, which is far away from the chassis, is inserted in the center of the driving shaft and is coaxially arranged with the driving shaft; the driving shaft is used for driving the chassis to rotate.

According to the technical scheme provided by the embodiment of the application, a stress rod radially extends out of the peripheral surface of the chassis; and a push rod extends out of the end surface of the driving shaft close to the chassis in parallel to the axis of the driving shaft and is abutted against the stress rod so as to transmit the rotating force of the driving shaft to the chassis.

According to the technical scheme provided by the embodiment of the application, the first fine tuning assembly comprises a side top adjusting block fixed on the side wall of the chassis and a first jackscrew penetrating through the side top adjusting block and parallel to the first direction, and the first jackscrew is abutted to the side wall of the clamping piece.

According to the technical scheme provided by the embodiment of the application, a first sliding groove is formed in the side, away from the abutting surface, of the base plate along the second direction, a through groove communicated with the first sliding groove is formed in the second direction and penetrates through the base plate, the second fine adjustment assembly comprises a sliding block arranged in the first sliding groove and a second jackscrew penetrating through the through groove, and the second jackscrew abuts against two opposite side walls of the sliding block; the second jackscrew can drive the sliding block and the chassis to move relatively along the second direction.

According to the technical scheme provided by the embodiment of the application, a second sliding groove is formed in the chassis along the first direction, and the clamping piece can slide along the second sliding groove.

According to the technical scheme provided by the embodiment of the application, a cover plate is arranged on the chassis, and the side of the chassis, which is relatively close to the second tip, is provided with a cover plate.

According to the technical scheme provided by the embodiment of the application, the clamping piece is provided with a waist-shaped hole along the first direction, the butt joint surface is provided with a bolt hole opposite to the waist-shaped hole, and the waist-shaped hole is internally provided with a pre-tightening inner hexagonal bolt matched with the bolt hole.

In conclusion, the application provides a shallow hole bores stalk portion grinding fixture, including locating the mechanism of butting of shallow hole bores the tool bit and locating the first top of drillstock, the mechanism of butting is provided with the chassis, locate a pair of holder on the chassis, first fine setting subassembly and second fine setting subassembly, be equipped with the draw-in groove that is used for the centre gripping tool bit between a pair of holder, can drive the holder through first fine setting subassembly and remove along the first direction, can drive the chassis through the second fine setting subassembly and drive the holder and remove along the second direction, because the centre gripping has the tool bit of shallow hole bores on the holder, and there is the contained angle between first direction and the second direction, so realized the four-way regulation to the shallow hole bores. The axis of the shallow hole drill and the axis of the first tip can be in the same straight line by adjusting the shallow hole drill in four directions, and the condition that the drill body is damaged due to overlarge jumping amplitude in the grinding and rotating process of the drill handle of the shallow hole drill is prevented.

Drawings

FIG. 1 is a schematic structural diagram of a grinding fixture for a shank of a shallow hole drill according to an embodiment of the present disclosure;

FIG. 2 is a schematic top view of a roof aligning mechanism according to an embodiment of the present disclosure;

fig. 3 is a schematic bottom view of the opposite-top mechanism provided in the embodiment of the present application;

fig. 4 is a schematic structural diagram of the opposite-vertex mechanism provided with the shallow hole drill according to the embodiment of the present application.

The text labels in the figures are represented as:

1. a first tip; 2. shallow hole drilling; 21. a cutter head; 22. a drill shank; 3. a butting mechanism; 31. a chassis; 311. an abutting surface; 312. a stress beam; 313. a second chute; 314. a cover plate; 32. a clamping member; 321. a card slot; 322. a kidney-shaped hole; 323. pre-tightening the hexagon socket head cap screw; 33. a first fine tuning assembly; 331. a side top adjusting block; 332. a first jackscrew; 34. a second fine tuning assembly; 341. a first chute; 342. a slider; 343. a second jackscrew; 344. a slot; 4. a second tip; 5. a drive shaft.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As mentioned in the background, the present application provides a grinding fixture for a shank of a shallow hole drill, as shown in fig. 1 and 2, which comprises:

a first tip 1 opposite to the end of the drill shank 22 of the shallow hole drill 2;

the butting mechanism 3 is butted against the end part of the tool bit 21 of the shallow hole drill 2;

the opposite vertex mechanism 3 comprises:

a bottom plate 31 having an axis parallel to the axis of the first center 1 and having an abutment surface 311 for abutting against an end of the tool bit 21 of the shallow hole drill 2;

a pair of holders 32 provided on the contact surface 311 and having a catching groove 321 formed therein for catching the tool bit 21;

a first fine adjustment assembly 33 arranged on the chassis 31 and used for driving the clamping piece 32 to move along a first direction;

the second fine adjustment component 34 is arranged on the chassis 31 and used for driving the chassis 31 to drive the clamping piece 32 to move along a second direction;

the first direction and the second direction are both parallel to the abutting surface 311 and form an included angle.

Preferably, the chassis 31 is circular, the clamping member 32 is rectangular, the first direction is a direction perpendicular to the long side of the clamping member 32, and the second direction is a direction parallel to the long side of the clamping member 32, so that the first direction is perpendicular to the second direction; the opposite sides of the pair of clamping pieces 32 are provided with inward concave corners matched with the outer wall of the cutter head 21, so that the clamping grooves 321 matched with the cutter head 21 are formed; as shown in fig. 3, a round hole groove is formed in the end of the drill shank 22 away from the butting mechanism 3, and the first tip 1 is inserted into the round hole groove and abuts against the shallow hole drill 2.

Through first fine setting subassembly 33 can drive holder 32 and follow the first direction removes, through second fine setting subassembly 34 can drive chassis 31 drives holder 32 is followed the second direction removes, because the holder 32 goes up the centre gripping has the tool bit 21 of shallow hole brill 2, and there is the contained angle between the first direction with the second direction, so realized to shallow hole brill 2's four-way regulation. The axis of the shallow hole drill 2 and the axis of the first tip 1 can be in a straight line by adjusting the shallow hole drill 2 in four directions, and the situation that the drill body is damaged due to overlarge jumping amplitude in the grinding and rotating process of the drill handle 22 of the shallow hole drill 2 is prevented.

Further, as shown in fig. 1 and 3, a slot 344 for inserting the second tip 4 is provided on a side of the bottom plate 31 away from the abutting surface 311; one end of the second tip 4, which is far away from the chassis 31, is inserted in the center of the driving shaft 5 and is arranged coaxially with the driving shaft 5; the driving shaft 5 is used for driving the chassis 31 to rotate. Specifically, the second tip 4 abuts against the opposite side of the base plate 31 to the first tip 1, the insertion groove 344 is a circular hole groove, and the head of the second tip 4 can be inserted into the circular hole groove, so that the base plate 31 can still rotate when the second tip 4 abuts against the base plate.

Further, as shown in fig. 1, a force-bearing rod 312 radially protrudes from the outer peripheral surface of the bottom plate 31; a push rod 51 extends from the end surface of the driving shaft 5 close to the chassis 31 in parallel to the axis thereof, and abuts against the force-bearing rod 312, so as to transmit the rotating force of the driving shaft 5 to the chassis 31. Preferably, the push rod 51 abuts against the force-bearing rod 312 relatively close to the first fine adjustment assembly 33, the driving shaft 5 drives the push rod 51 to rotate clockwise, so that the push rod 51 can rotate by the force-bearing rod 312, and the force-bearing rod 312 can drive the chassis 31 to rotate; the first tip 1 and the second tip 4 do not rotate, and a grinding tool is arranged on the periphery of the drill shank 22, so that when the chassis 31 drives the shallow hole drill 2 to rotate, the drill shank 22 can be ground.

Further, as shown in fig. 4 and fig. 331, the first fine adjustment assembly 33 includes a lateral top adjustment block 331 fixed to a sidewall of the chassis 31, and a first jackscrew 332 extending through the lateral top adjustment block 331 and arranged parallel to the first direction, wherein the first jackscrew 332 abuts against a sidewall of the holder 32. Preferably, the outer wall of each clamping member 32, which is far away from each other, is provided with the first fine adjustment assembly 33, the lateral roof adjustment block 331 is a rectangular parallelepiped, and is provided with two threaded through holes respectively opposite to the base plate 31 and the clamping members 32, the lateral roof adjustment block 331 is fixed on the side wall of the base plate 31 by a hexagon socket head cap screw, the first jackscrew 332 penetrates through the threaded through hole and abuts against the outer wall of the clamping member 32, preferably, the abutting point is the center of the outer wall of the clamping member 32, the clamping member 32 is moved along the first direction by rotating the first jackscrew 332, and the outer walls of the two clamping members 32 are both provided with the first jackscrew 332, so that the two clamping members 32 can be moved along two directions of the first direction at the same time.

Further, as shown in fig. 3, a first sliding groove 341 is formed in the bottom plate 31 along the second direction, the side of the bottom plate 31 away from the abutting surface 311, a through groove communicated with the first sliding groove 341 is formed through the bottom plate 31 along the second direction, the second fine adjustment assembly 34 includes a sliding block 342 arranged in the first sliding groove 341 and a second jackscrew 343 passing through the through groove, and the second jackscrew 343 abuts against two opposite side walls of the sliding block 342; the second jackscrew 343 can drive the slider 342 and the bottom plate 31 to move relatively in the second direction. The butting mechanism 3 abuts against the second tip 4 through a slot 344, the slot 344 is disposed in the center of the side of the slider 342 far from the abutting surface 311, preferably, the slot 344 is a circular slot, and the first sliding groove 341 is rectangular; the inner wall of the through groove is provided with a thread matched with the second jackscrew 343, the slide block 342 abuts against the second jackscrew 4, the second jackscrew 4 is fixed and fixed, so the slide block 342 cannot move, the second jackscrew 343 is in threaded connection with the through groove, so the chassis 31 moves along the second direction when the second jackscrew 343 is rotated, the second jackscrew 343 is arranged at both ends of the slide block 342, so the slide block 342 can move along two opposite directions of the second direction, and in operation, the shallow hole drill 2 is fixed on the chassis 31, so the shallow hole drill 2 can move along two opposite directions of the second direction through the second jackscrew 343.

Further, a second sliding groove 313 is disposed on the chassis 31 along the first direction, and the clamping member 32 can slide along the second sliding groove 313. As shown in fig. 4, the number of the second sliding grooves 313 is two, the two second sliding grooves are respectively provided at positions corresponding to the two end portions of the clamping members 32, and support legs are vertically provided at the bottom portions of the two end portions of each clamping member 32 toward the chassis 31, the support legs can be inserted into the second sliding grooves 313, and drive the clamping members 32 to move in the first direction in the second sliding grooves 313. Two the both ends of holder 32 are in remove in second spout 313, second spout 313 can restrict holder 32 is followed all the time first direction removes, and further, guarantee holder 32 laminates all the time the outer wall of tool bit 21 has avoided the condition of the shallow hole drill damage that the shallow hole drill 2 becomes flexible and leads to.

Further, as shown in fig. 3, a cover plate 314 is disposed on the bottom plate 31 on a side relatively close to the second tip 4, preferably, the cover plate 314 is circular, and is fixed to the bottom surface of the bottom plate 31 by four socket head cap screws, the cover plate 314 can cover the first sliding groove 341, so as to prevent the sliding block 342 from falling from an opening of the first sliding groove 341 or from being warped under the action of the second tip screw 343 when moving in the first sliding groove 341, and a circular hole is disposed in a center of the cover plate 314 on a side far from the sliding block 342, so as to reserve a space for the second tip 4 to abut against.

Further, as shown in fig. 2 and 4, a kidney-shaped hole 322 is formed in the clamping member 32 along the first direction, a bolt hole is formed in a position of the abutting surface 311 opposite to the kidney-shaped hole 322, and a pre-tightening hexagon socket head cap bolt 323 which can be matched with the bolt hole is arranged in the kidney-shaped hole 322. Specifically, the waist-shaped hole 322 is arranged at a position, relatively close to the second sliding groove 313, of each clamping piece 32, when the pre-tightening hexagon socket head cap screw 323 passes through the bolt hole, the head of the pre-tightening hexagon socket head cap screw 323 is arranged on a boss of the waist-shaped hole 322, so that the pre-tightening hexagon socket head cap screw 323 can press the boss by screwing the pre-tightening hexagon socket head cap screw 323, and the clamping pieces 32 are pre-tightened on the chassis 31; the chassis 31 is provided with a plurality of bolt holes corresponding to the waist-shaped holes 322, and different bolt holes can be selected according to the outer diameter of the cutter head 21 to clamp and fasten the cutter head 21, so that the applicability of the clamp is improved.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims (8)

1. A shallow hole drill shank grinding fixture, comprising:

the first top point (1) is opposite to the end part of the drill handle (22) of the shallow hole drill (2);

the opposite-propping mechanism (3) is opposite-propping to the end part of the tool bit (21) of the shallow hole drill (2);

the opposite-vertex mechanism (3) comprises:

a base plate (31) having an axis parallel to the axis of the first point (1) and having an abutment surface (311) for abutment with the end of the bit (21) of the shallow hole drill (2);

a pair of clamping pieces (32) which are arranged on the contact surface (311) and are provided with clamping grooves (321) for clamping the tool bit (21);

a first fine adjustment assembly (33) arranged on the chassis (31) and used for driving the clamping piece (32) to move along a first direction;

the second fine adjustment assembly (34) is arranged on the chassis (31) and used for driving the chassis (31) to drive the clamping piece (32) to move along a second direction;

the first direction and the second direction are both parallel to the abutting surface (311) and form an included angle.

2. The shallow hole drill shank grinding fixture of claim 1, wherein: a slot (344) for inserting the second tip (4) is formed in one side, away from the abutting surface (311), of the chassis (31); one end, far away from the chassis (31), of the second tip (4) is inserted in the center of the driving shaft (5) and is coaxially arranged with the driving shaft (5); the driving shaft (5) is used for driving the chassis (31) to rotate.

3. The shallow hole drill shank grinding fixture of claim 2, wherein: a stress rod (312) radially extends out of the outer peripheral surface of the chassis (31); and a push rod (51) extends out of the end surface of the driving shaft (5) close to the chassis (31) in parallel to the axis of the chassis, and is abutted against the stress rod (312) so as to transmit the rotating force of the driving shaft (5) to the chassis (31).

4. The shallow hole drill shank grinding fixture of claim 1, wherein: the first fine adjustment assembly (33) comprises a side top adjustment block (331) fixed on the side wall of the chassis (31) and a first jackscrew (332) penetrating through the side top adjustment block (331) and arranged in parallel to the first direction, and the first jackscrew (332) is abutted to the side wall of the clamping piece (32).

5. The shallow hole drill shank grinding fixture of claim 2, wherein: a first sliding groove (341) is formed in the side, away from the abutting surface (311), of the base plate (31) along the second direction, a through groove communicated with the first sliding groove (341) is formed in the base plate (31) along the second direction, the second fine adjustment assembly (34) comprises a sliding block (342) arranged in the first sliding groove (341) and a second jackscrew (343) penetrating through the through groove, and the second jackscrew (343) abuts against two opposite side walls of the sliding block (342); the second jackscrew (343) can drive the sliding block (342) and the bottom plate (31) to move relatively along the second direction.

6. The shallow hole drill shank grinding fixture of claim 1, wherein: a second sliding groove (313) is formed in the chassis (31) along the first direction, and the clamping piece (32) can slide along the second sliding groove (313).

7. The shallow hole drill shank grinding fixture of claim 2, wherein: and a cover plate (314) is arranged on the chassis (31) and is relatively close to the second tip (4).

8. The grinding jig for a shallow hole drill shank according to claim 1, wherein: waist-shaped holes (322) are formed in the clamping piece (32) along the first direction, bolt holes are formed in the positions, opposite to the waist-shaped holes (322), of the abutting surfaces (311), and pre-tightening inner hexagonal bolts (323) which can be matched with the bolt holes are arranged in the waist-shaped holes (322).

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