CN216780361U

CN216780361U - High durable multiple change cutting mechanism

Info

Publication number: CN216780361U
Application number: CN202220051499.9U
Authority: CN
Inventors: 谭照和
Original assignee: Guangzhou Yuexin Crankshaft Manufacturing Co ltd
Current assignee: Guangzhou Yuexin Crankshaft Manufacturing Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-21
Anticipated expiration: 2032-01-10

Abstract

The utility model relates to the technical field of lathe cutters, in particular to a high-durability multi-change cutting mechanism. The technical scheme comprises the following steps: the novel knife handle comprises a knife handle body, a knife blade groove, a pressing plate, a knife pad and a knife blade body, wherein the knife blade groove is formed in the upper end of the knife handle body, a mounting hole is formed in the middle position of the knife blade groove, the knife blade body is placed in the knife blade groove, a groove hole is formed in the knife blade body, the knife blade body is fixed on the mounting hole through a bolt, a fixing hole is formed in the knife handle body, the pressing plate is fixed on the fixing hole through a fixing bolt, a pressing block is welded on the lower surface of one end of the pressing plate, the bottom end of the pressing block is pressed in the groove hole, an anchor bolt is welded on the lower surface of the other end of the pressing plate, and the anchor bolt is connected to the knife handle body in an inserting mode. According to the utility model, through the replaceability of the matched blades among the structures, the auxiliary time for sharpening is shortened, the labor intensity is reduced, and the use requirements of personnel are met.

Description

High durable multiple change cutting mechanism

Technical Field

The utility model relates to the technical field of lathe cutters, in particular to a high-durability multi-change cutting mechanism.

Background

The crankshaft is the most important component in an engine. It receives the force from the connecting rod and converts it into torque to be output by crankshaft and drive other accessories on engine. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, gas inertia force of periodic variation and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load. Therefore, the crankshaft is required to have sufficient strength and rigidity, and the surface of the journal needs to be wear-resistant, work uniformly and balance well.

Through retrieval, the publication number is CN203109265U and relates to a vehicle crankshaft journal fillet cutter, which comprises a cutter body, fillet forming blades and a cutter bar arranged on a machine tool cutter platform, wherein a dovetail groove is arranged on the cutter bar, four corners of the front end surface of the cutter body are respectively provided with a cutter groove, four fillet forming blades are respectively arranged in the cutter grooves and are pressed and fixed through screws, and the rear part of the cutter body is provided with a dovetail-shaped bulge; the cutter body is matched with the dovetail groove of the cutter bar through the dovetail-shaped bulge, inserted into the cutter bar and pressed and fixed through the pressing mechanism on the cutter bar. When the utility model works, the fillet of the crankshaft journal is turned by the two fillet forming blades at the upper part.

The turning crankshaft cutter is special, belongs to section cutting, and a blade is easy to break, so that the time spent on grinding the cutter is most, and the use requirement of personnel cannot be met.

Therefore, a high-durability variable cutting mechanism is provided to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-durability variable cutting mechanism aiming at the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high durable variability cutting mechanism, includes hilt, blade groove, clamp plate, shim and blade body, the blade groove has been seted up to the upper end of hilt, the mounting hole has been seted up to the intermediate position department in blade groove, the blade body is placed at the blade inslot, the slotted hole has been seted up on the blade body, the blade body passes through the bolt fastening on the mounting hole, the fixed orifices has been seted up on the hilt, the clamp plate passes through the gim peg to be fixed on the fixed orifices, the one end sub-surface welding of clamp plate has the briquetting, the bottom of briquetting is pressed down in the slotted hole, the other end sub-surface welding of clamp plate has the crab-bolt, the crab-bolt is pegged graft on the hilt.

The lower surface of the blade can be attached with a cutter pad, the cutter pad and the cutter pad are placed in a blade groove, the position of the blade is fixed through the threaded engagement effect between a bolt and a mounting hole, at the moment, the position of a pressing plate can be fixed on the fixing hole through a fixing bolt, the fixing bolt is gradually screwed, the bottom end of a pressing block enters the position of a blade pressed in a groove hole, so that the blade is further fixed in the position, the non-grinding blade has four cutting edges, when one cutting edge is worn, the blade is detached and then is reversely rotated by an angle to be installed again, the machining can be continued, and the blade can be used for four times.

Preferably, the tool holder is provided with an anchor groove matched with the anchor bolt, and the anchor bolt is movably inserted into the anchor groove. In the crab-bolt entering anchor groove on the clamp plate, the anchor groove carries on spacingly to the crab-bolt to avoid the clamp plate to produce and deflect.

Preferably, a strip-shaped groove is formed in the middle of the back of the knife handle, and threaded holes are formed in the strip-shaped groove at equal intervals. Through the mutual cooperation between bar groove and the screw hole, can fix the position of handle of a knife on external cutter connection structure.

Preferably, the slotted hole is internally provided with a bolt, the lower end of the bolt is fixed in the mounting hole in a threaded manner, and the bottom end of the pressing block is inserted into the upper end of the slotted hole and extrudes the top end of the bolt. Through the design of the pressing block, the pressing block further extrudes the blade to fix the position of the blade.

Preferably, a shim is attached to the lower surface of the blade body, and the other surface of the shim is in contact with the blade groove. Through the design of the knife pad, the knife pad avoids direct contact between the blade and the knife handle, and abrasion between the blade and the knife handle is avoided.

Preferably, a through hole matched with the bolt is formed in the cutter pad, and the bolt in the groove hole penetrates through the through hole. The position of the knife pad is convenient to fix.

Compared with the prior art, the utility model has the following beneficial effects:

1. the high-durability changeable cutting mechanism of the utility model can be attached with the knife pad on the lower surface of the blade in the using process, then the two are placed in the blade groove, and then the position of the blade is fixed by the screw engagement effect between the bolt and the mounting hole, at this time, the position of the pressing plate can be fixed on the fixing hole through the fixing bolt, the bottom end of the pressing block enters the groove hole to press the position of the blade through gradually screwing the fixing bolt, thereby further fixing the position of the blade, the anchor bolt on the pressure plate enters the anchor groove, the anchor groove limits the anchor bolt, thereby avoiding the deflection of the pressure plate, the throwaway tip has four cutting edges, when one cutting edge is worn, the tip can be continuously processed after being disassembled and then being re-assembled by reversing an angle, the novel knife sharpener can be used for four times, and the blades can be replaced, so that the knife sharpening auxiliary time is shortened, the labor intensity is reduced, and the use requirements of personnel are met.

Drawings

FIG. 1 is a front view of the handle of the present invention;

FIG. 2 is a side view of the handle of the present invention;

fig. 3 is a schematic view of the mounting structure of the blade body of the present invention.

Reference numerals: 1. a hilt; 2. a fixing hole; 3. an insert pocket; 4. mounting holes; 5. an anchor groove; 6. a strip-shaped groove; 7. an anchor bolt; 8. pressing a plate; 9. briquetting; 10. a shim; 11. a slot; 12. a blade body; 13. and (6) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1-3, the high-durability and high-variability cutting mechanism provided by the utility model comprises a hilt 1, a blade groove 3, a pressing plate 8, a shim 10 and a blade body 12, wherein the upper end of the hilt 1 is provided with the blade groove 3, the middle position of the blade groove 3 is provided with a mounting hole 4, the blade body 12 is placed in the blade groove 3, the blade body 12 is provided with a slotted hole 11, the blade body 12 is fixed on the mounting hole 4 through a bolt, the hilt 1 is provided with a fixing hole 2, the pressing plate 8 is fixed on the fixing hole 2 through a fixing bolt 13, the lower surface of one end of the pressing plate 8 is welded with a pressing block 9, the bottom end of the pressing block 9 is pressed in the slotted hole 11, the lower surface of the other end of the pressing plate 8 is welded with an anchor bolt 7, and the anchor bolt 7 is inserted in the hilt 1.

The working principle based on the embodiment 1 is as follows: the lower surface of the blade can be attached with a knife pad 10, then the knife pad and the knife pad are placed in the blade groove 3, then the position of the blade is fixed through the thread engagement effect between the bolt and the mounting hole 4, at the moment, the position of the pressure plate 8 can be fixed on the fixing hole 2 through the fixing bolt 13, the throwaway blade is provided with four cutting edges, when one cutting edge is worn, the blade can be detached and then is reversely rotated by an angle to be remounted, and the processing can be continued and can be used for four times.

Example two

As shown in fig. 1 to 3, the present invention provides a highly durable variable cutting mechanism, compared to the first embodiment, the present embodiment further includes: offer the anchor groove 5 with 7 looks adaptations of crab-bolt on the handle of a

knife

1, 7 activities of crab-bolt are pegged graft in anchor groove 5, bar groove 6 has been seted up to the back intermediate position department of handle of a knife 1, equidistant threaded hole has been seted up on bar groove 6, the bolt is installed to slotted hole 11 internal thread, the lower extreme screw thread of bolt is fixed in mounting hole 4, peg graft in slotted hole 11 upper end and the top of extrusion bolt in the bottom of briquetting 9, the lower surface laminating of blade body 12 has the cutting pad 10, the another side and the 3 mutual contacts in cutting blade groove of cutting pad 10, set up the through-hole with bolt looks adaptation on the cutting pad 10, the bolt in the slotted hole 11 runs through the through-hole.

In this embodiment, through screwing up gim peg 13 gradually for the bottom of briquetting 9 gets into the position that the blade was pressed to slotted hole 11 in, thereby further fixed blade position, crab-bolt 7 on the clamp plate 8 gets into in anchor groove 5, and anchor groove 5 carries on spacingly to crab-bolt 7, thereby avoids clamp plate 8 to produce the deflection.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

The working principle is as follows: when the high-durability and changeability cutting mechanism is used, a cutter pad 10 can be attached to the lower surface of a cutter blade, the cutter pad and the cutter blade are placed in a cutter blade groove 3, the position of the cutter blade is fixed through the threaded engagement effect between a bolt and a mounting hole 4, the position of a pressure plate 8 can be fixed on a fixing hole 2 through a fixing bolt 13, the bottom end of a pressure block 9 enters a position of the cutter blade pressed in a groove hole 11 through gradually screwing down the fixing bolt 13, so that the position of the cutter blade is further fixed, an anchor bolt 7 on the pressure plate 8 enters an anchor groove 5, the anchor groove 5 limits the anchor bolt 7, the pressure plate 8 is prevented from deflecting, the cutter blade is not abraded by four cutter edges, when one cutter edge is abraded, the cutter blade is detached and then is reversely rotated by an angle to be installed again, and the cutter blade can be continuously processed for four times.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high durable variability cutting mechanism, includes handle of a knife (1), blade groove (3), clamp plate (8), shim (10) and blade body (12), its characterized in that: blade groove (3) have been seted up to the upper end of handle of a knife (1), mounting hole (4) have been seted up to the intermediate position department of blade groove (3), blade body (12) are placed in blade groove (3), slotted hole (11) have been seted up on blade body (12), blade body (12) pass through the bolt fastening on mounting hole (4), fixed orifices (2) have been seted up on handle of a knife (1), clamp plate (8) are fixed on fixed orifices (2) through gim peg (13), the one end lower surface welding of clamp plate (8) has briquetting (9), the bottom of briquetting (9) is pressed in slotted hole (11), the other end lower surface welding of clamp plate (8) has crab-bolt (7), crab-bolt (7) are pegged graft on handle of a knife (1).

2. The highly durable, versatile cutting mechanism of claim 1, further comprising: the knife handle (1) is provided with an anchor groove (5) matched with the anchor bolt (7), and the anchor bolt (7) is movably inserted into the anchor groove (5).

3. The highly durable, versatile cutting mechanism of claim 1, further comprising: a strip-shaped groove (6) is formed in the middle of the back face of the hilt (1), and threaded holes are formed in the strip-shaped groove (6) at equal intervals.

4. The highly durable, versatile cutting mechanism of claim 1, further comprising: the slotted hole (11) is internally provided with a bolt, the lower end of the bolt is fixed in the mounting hole (4) in a threaded manner, and the bottom end of the pressing block (9) is inserted into the upper end of the slotted hole (11) and extrudes the top end of the bolt.

5. The highly durable, versatile cutting mechanism of claim 1, further comprising: the lower surface of the blade body (12) is attached with a knife pad (10), and the other surface of the knife pad (10) is in mutual contact with the blade groove (3).

6. The highly durable, versatile cutting mechanism of claim 1, further comprising: the knife pad (10) is provided with a through hole matched with the bolt, and the bolt in the slotted hole (11) penetrates through the through hole.