CN218873776U

CN218873776U - Sled mould position is with improved generation cutter structure

Info

Publication number: CN218873776U
Application number: CN202223378943.7U
Authority: CN
Inventors: 龙志华
Original assignee: Guangdong Jingfang Technology Co ltd
Current assignee: Guangdong Jingfang Technology Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-04-18
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses an improved generation cutter structure for sled mould position relates to lathe machined part technical field, including fixed axle, working head and sword grain, fixed axle and working head integrated into one piece make a whole, the working head is one section cylinder structure with the fixed axle, has seted up the round depressed groove on it, and its tip processing of keeping away from the fixed axle has the chamfer, a breach is respectively seted up along the axial by the terminal surface in the working head both sides, the internally mounted of breach has the locating piece, install positioning bolt on the locating piece, the locating piece passes through positioning bolt and constitutes fixedly with the breach. The utility model discloses in, all be the cutting of some sword of cutting of point with traditional processing inclined plane and change into the cutting of accomplishing the face with the adjustment of sword grain to lifting efficiency and quality make sled mould position finish reach Rz ≦ 6.3um, can finely tune the position of sword grain simultaneously, thereby guarantee sled mould position processing surface quality.

Description

Sled mould position is with improved generation cutter structure

Technical Field

The utility model relates to a lathe machined part technical field especially relates to a sled mould position is with improved generation cutter structure.

Background

In the prior art, only a small lower tool amount can be selected for guaranteeing the smoothness of a mold blank prying position, the efficiency is very low, the quality requirement is improved (the surface smoothness of the prying position is equal to or less than Rz 6.3 um), and on the premise of improving the efficiency, a special tool for the prying position is designed and manufactured to improve the efficiency by five times, and the quality is improved.

The existing patent (publication number: CN 108655426A) provides a special tool for prying a die position and a prying die position processed by the special tool, the tool comprises a fixed shaft, a working head and a tool bit, the fixed shaft and the working head are integrally formed into a whole, the working head is a section of cylinder, the end part of the cylinder is processed into a chamfer, a circle of concave groove is formed at the junction of the chamfer and the cylinder, two sides of the working head are respectively provided with a notch along the axial direction by the end surface, two smooth planes are respectively formed at two sides of the working head, one of the smooth planes at opposite sides of the two notches is provided with a groove matched with the shape of the tool bit, the center of the groove is provided with a screw hole, the tool bit is fixed in the groove through a screw, so that the edge of the tool bit extends out of the chamfer, the scheme changes the traditional cutting (one point cutting) that the processing inclined plane is a point into the cutting that the tool bit is adjusted to achieve the surface cutting, thereby improving the efficiency and the quality, and enabling the surface finish degree of the prying die position to reach Rz ≦ 6.3um.

The special cutter for the mold prying position has the following defects in use: the tool bit fine adjustment structure is not provided, one of factors which greatly affect the quality of the machining surface of the prying die position is the problem of the position consistency of the end edge of the tool bit, and the manufacturing errors of the tool bit exist in the manufacturing process, so that the consistency of the position of the end edge of the assembled tool bit is difficult to ensure no matter how high the manufacturing precision is, the machining surface quality is affected, and therefore the improved tool structure for the prying die position is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an improved generation cutter structure for sled mould position has solved the fine setting structure that possesses the tool setting grain, has one of the factor of very big influence just two sword grain end sword uniformity problems to sled mould position processing surface quality, because the sword grain all has manufacturing error in manufacturing process, consequently, no matter how high manufacturing accuracy, all difficult uniformity in order to guarantee two sword grain assembly rear end sword to influence the technical problem of the surface quality of processing.

For solving the technical problem, the utility model provides a pair of sled mould position is with improved generation cutter structure, including fixed axle, working head and sword grain, fixed axle and working head integrated into one piece make a whole, the working head is one section cylinder structure with the fixed axle, has seted up the round depressed slot on it, and its tip processing of keeping away from the fixed axle has the chamfer, a breach is respectively seted up by the terminal surface along the axial in the working head both sides, the internally mounted of breach has the locating piece, install positioning bolt on the locating piece, the locating piece passes through positioning bolt and constitutes fixedly with the breach, set up on the locating piece with the identical recess of sword grain shape, recess central authorities set up the installation screw, the sword grain is fixed in the recess through installation bolt and is made the edge of sword grain one corner stretch out the chamfer.

Preferably, the internally mounted of breach has the wedge, the shape of wedge is right trapezoid, the right angle waist and the laminating of breach inner wall of wedge, one side that the locating piece is close to the wedge is provided with the regulation inclined plane, the oblique waist and the regulation inclined plane laminating of wedge, run through on the wedge and set up threaded through-hole, the internal thread of threaded through-hole is connected with the regulation double-screw bolt.

Preferably, the included angle of the notch is 90 degrees, the number of the notches is two, and the radial depth of the notch does not exceed one half of the radius of the working head.

Preferably, the positioning block is provided with two heat dissipation holes.

Preferably, the cutter particles are in a square sheet shape, and the outer surfaces of the cutter particles are provided with AlTiN coatings.

Preferably, the positioning block is provided with a step hole for the positioning bolt to pass through, and the notch is internally provided with a positioning screw hole for the positioning bolt to be screwed in.

Compared with the prior art, the utility model provides a pair of sled mould position is with improved generation sword structure has following beneficial effect:

the wedge block is driven to move along the height direction of the wedge block by rotating the adjusting stud, the inclined waist of the wedge block generates a component force perpendicular to the moving direction of the wedge block on the adjusting inclined plane, the positioning block is forced to move, the cutter particles are fixed on the positioning block, and therefore the cutter particles also move, and the function of adjusting the positions of the single cutter particles is achieved.

Drawings

FIG. 1 is a schematic bottom view of an improved tool structure for a mold prying position;

FIG. 2 is a left side view schematic diagram of an improved tool structure for a mold prying position;

FIG. 3 is a schematic view of an improved tool structure for prying a mold position with a tool grain added thereto;

fig. 4 is a schematic structural view of an end face of a working head of an improved tool structure for a mold prying position.

The reference numbers in the figures: 1. a fixed shaft; 2. a working head; 3. a recessed groove; 4. chamfering; 5. a notch; 6. positioning blocks; 7. positioning the bolt; 8. a groove; 9. mounting a screw hole; 10. heat dissipation holes; 11. a wedge block; 12. a threaded through hole; 13. adjusting the stud; 14. adjusting the inclined plane; 15. cutting grains; 16. and (7) installing a bolt.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are used in the orientation or positional relationship indicated on the basis of the drawings, it is only for convenience of description and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the first embodiment, as shown in fig. 1-4, an improved cutter structure for prying a mold position comprises a fixed shaft 1, a working head 2 and cutter particles 15, wherein the fixed shaft 1 and the working head 2 are integrally formed into a whole, the working head 2 and the fixed shaft 1 are of a one-section cylindrical structure, a circle of concave groove 3 is formed in the concave groove, a chamfer 4 is machined at the end far away from the fixed shaft 1, notches 5 are respectively formed in the two sides of the working head 2 along the axial direction of the end surface, a positioning block 6 is installed inside each notch 5, a positioning bolt 7 is installed on each positioning block 6, each positioning block 6 is fixed with each notch 5 through the corresponding positioning bolt 7, a groove 8 matched with the shape of each cutter particle 15 is formed in each positioning block 6, a mounting screw hole 9 is formed in the center of each groove 8, each cutter particle 15 is fixed in each groove 8 through a mounting bolt 16, so that the edge of one corner of each cutter particle 15 extends out of each chamfer 4, a wedge block 11 is installed inside each notch 5, the wedge block 11 is in a right trapezoid shape, the right-angled waist of the wedge block 11 is attached to the inner wall of the notch 5, one side of the wedge block 6, the wedge block is provided with an adjusting inclined plane, the taper 12, the smooth-angle of the wedge block is connected with a screw thread, the cutting through hole for adjusting screw thread, the smooth adjusting screw thread of the positioning block 6, and the traditional cutter particles, and the smooth adjusting screw thread of the traditional cutter particles, and the traditional cutter particles, the smooth adjusting screw thread is connected with a micrometer screw thread lifting screw hole for adjusting screw bolt for adjusting screw thread, and the smooth adjusting screw thread of each positioning block, and the traditional cutter adjusting screw thread for adjusting screw bolt for adjusting screw thread for adjusting position, and the machining of each positioning block, and the traditional cutter adjusting screw thread for adjusting screw bolt for adjusting position, thereby, the traditional cutter adjusting screw.

The included angle of the notches 5 is 90 degrees, the number of the notches 5 is two, and the radial depth of the notches 5 does not exceed one half of the radius of the working head 2.

The positioning block 6 is provided with two heat dissipation holes 10, and the heat dissipation of the cutter particles 15 can be accelerated.

The cutter particles 15 are in a square sheet shape, and the outside surfaces of the cutter particles 15 are provided with AlTiN coatings so as to improve the wear resistance and hardness of the cutter particles 15 and further improve the service life of the cutter particles 15.

The positioning block 6 is provided with a stepped hole for the positioning bolt 7 to pass through, and the inside of the notch 5 is provided with a positioning screw hole for the positioning bolt 7 to be screwed in, so that the positioning block 6 is conveniently fixed inside the notch 5.

The working principle is as follows: the traditional cutting (one point cutter) that all machined inclined planes are point is changed into cutting of adjusting cutter particles 15 to achieve surfaces, so that efficiency and quality are improved, the surface finish degree of a prying die position reaches Rz ≦ 6.3um, the wedge block 11 is driven to move along the height direction of the wedge block 11 by rotating the adjusting stud 13, a component force perpendicular to the moving direction of the wedge block 11 is generated on the adjusting inclined plane 14 by the inclined waist of the wedge block 11, the positioning block 6 is forced to move, the cutter particles 15 are fixed on the positioning block 6, the cutter particles 15 also move, and therefore the position of a single cutter particle 15 is adjusted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sled mould position is with improved generation cutter structure, includes fixed axle (1), working head (2) and sword grain (15), its characterized in that, fixed axle (1) and working head (2) integrated into one piece make a whole, working head (2) are one section cylinder structure with fixed axle (1), have seted up round depressed groove (3) on it, and its tip processing of keeping away from fixed axle (1) has chamfer (4), a breach (5) is respectively seted up along the axial by the terminal surface in working head (2) both sides, the internally mounted of breach (5) has locating piece (6), install positioning bolt (7) on locating piece (6), locating piece (6) constitute fixedly through positioning bolt (7) and breach (5), set up on locating piece (6) and knife grain (15) shape anastomotic recess (8), installation screw (9) are seted up to recess (8) central authorities, sword grain (15) are fixed in recess (8) through installation bolt (16) and are made the edge of sword grain (15) one corner stretch out chamfer (4).

2. The improved cutter structure for the prying die position is characterized in that a wedge block (11) is installed inside the notch (5), the wedge block (11) is in a right trapezoid shape, the right-angle waist of the wedge block (11) is attached to the inner wall of the notch (5), an adjusting inclined surface (14) is arranged on one side, close to the wedge block (11), of the positioning block (6), the inclined waist of the wedge block (11) is attached to the adjusting inclined surface (14), a threaded through hole (12) is formed in the wedge block (11) in a penetrating mode, and an adjusting stud (13) is connected to the inner thread of the threaded through hole (12).

3. The improved cutter structure for the mold prying position as claimed in claim 1, wherein the included angle of the notches (5) is 90 degrees, the number of the notches (5) is two, and the radial depth of the notches (5) is not more than one half of the radius of the working head (2).

4. The improved cutter structure for the mold prying position as recited in claim 1, wherein the positioning block (6) is provided with two heat dissipation holes (10), and the number of the heat dissipation holes (10) is two.

5. An improved tool structure for a mold prying location according to claim 1, wherein the tool grains (15) are square sheets, and the outer surfaces of the tool grains (15) are provided with AlTiN coatings.

6. The improved cutter structure for the mold prying position as claimed in claim 1, wherein a stepped hole for a positioning bolt (7) to pass through is formed in the positioning block (6), and a positioning screw hole for the positioning bolt (7) to be screwed in is formed in the notch (5).