CN216505065U

CN216505065U - Accurate cutting mechanism of cutter for numerical control lathe

Info

Publication number: CN216505065U
Application number: CN202122984833.4U
Authority: CN
Inventors: 孙年年
Original assignee: Tianjin Zhengdao Machinery Manufacture Co ltd
Current assignee: Tianjin Zhengdao Machinery Manufacture Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-05-13
Anticipated expiration: 2031-12-01

Abstract

The utility model relates to the technical field of numerical control lathes and discloses an accurate cutting mechanism of a cutter for a numerical control lathe, which comprises a cutter rest fixedly arranged in the lathe and a cutting knife slidably sleeved in the cutter rest, wherein a plurality of symmetrically arranged compression bolts are sleeved on the side wall of the cutter rest in a threaded manner, the tail ends of the compression bolts are in contact arrangement with the cutting knife, a connecting plate is fixedly arranged at the bottom of the cutter rest, a moving rod is arranged above the connecting plate, a pushing mechanism for pushing the moving rod to move is arranged between the connecting plate and the moving rod, a connecting hole is formed in the top of the moving rod, an inserting rod is arranged in the connecting hole, an inserting hole is formed in the top of the inserting rod, a marking pen is sleeved in the inserting hole, and a limiting mechanism is arranged between the inserting rod and the connecting hole. The scribing pen can be used for scribing and cutting the workpiece before cutting, and the surface of the workpiece is not damaged and influenced.

Description

Accurate cutting mechanism of cutter for numerical control lathe

Technical Field

The utility model relates to the technical field of numerical control lathes, in particular to a precise cutting mechanism of a cutter for a numerical control lathe.

Background

The numerically controlled lathe is one of widely used numerically controlled machines, can automatically process a part to be processed according to a processing program programmed in advance, and is a processing machine widely used in the existing numerically controlled processing.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology, the distance marking and positioning of the excircle is usually carried out by a cutter before the excircle is machined manually by the existing lathe, and a groove is formed on the surface of a workpiece after the marking position is wrong, so that the cutting machining quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that in the prior art, when a workpiece is scribed and positioned by a cutter, the surface quality of the workpiece is easily affected when scribing is wrong, and provides a cutter accurate cutting mechanism for a numerical control lathe.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an accurate cutting mechanism of cutter for numerical control lathe, locates the cutting knife of knife rest inside including fixed set up in the inside knife rest of lathe and slip cap, the lateral wall screw thread of knife rest has cup jointed the housing bolt that a plurality of symmetries set up, housing bolt's end and cutting knife contact set up, the fixed board that links that is equipped with in bottom of knife rest, the top of linking the board is provided with the carriage release lever, it is used for promoting to be provided with between board and the carriage release lever carries out the pushing mechanism who removes, the connecting hole has been seted up at the top of carriage release lever, be equipped with the inserted bar in the connecting hole, the jack has been seted up at the top of inserted bar, the jack endotheca is equipped with the marker, be equipped with stop gear between inserted bar and the connecting hole.

Preferably, the bottom of the marking pen is adhered to the bottom of the inner surface of the insertion hole through a double-sided adhesive tape.

Preferably, the pushing mechanism comprises a screw rod, the screw rod is in threaded sleeve connection with the connecting plate, the top of the screw rod is rotatably connected with the moving rod through a bearing, and the bottom of the screw rod is fixedly connected with a crank.

Preferably, the fixed push pedal that has cup jointed of lateral wall lower extreme of carriage release lever, the bottom both ends of push pedal all are fixed and are equipped with the slide bar, the lower extreme of slide bar slides and wears to locate even intralamellar part.

Preferably, stop gear includes the inserted block that two symmetries set up, the slot has all been seted up at the bottom both ends of inserted bar, the inserted block is located inside the slot, two the bottom of inserted block is all fixed and is equipped with the push rod, the other end of push rod passes the carriage release lever and removes to the outside, and fixed arm-tie that is equipped with, the fixed spring that is equipped with between the inner wall of push rod and connecting hole.

Preferably, the inserted block is a wedge-shaped block, and inclined planes are arranged at two ends of the bottom of the inserted rod.

Compared with the prior art, the utility model provides a precise cutting mechanism of a cutter for a numerical control lathe, which has the following beneficial effects:

1. this accurate cutting mechanism of cutter for numerical control lathe through the carriage release lever, pushing mechanism, slide bar and the crank that are equipped with and pushing mechanism and marking off the pen, can contact through promoting the marking off pen and work piece when the distance and accomplish marking off work, avoids adopting the cutter to rule the damage to the work piece.

2. This accurate cutting mechanism of cutter for numerical control lathe through inserted bar, jack, stop gear and the carriage release lever that is equipped with, can install fast and subsequent dismantlement change marking pen.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the device is convenient to operate, the workpiece can be scribed and cut by the scribing pen before cutting, the surface of the workpiece is not damaged, and the cutting accuracy of the cutter is improved.

Drawings

FIG. 1 is a schematic structural diagram of a precise cutting mechanism of a cutter for a numerically controlled lathe according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a knife rest 1, a cutting knife 2, a compression bolt 3, a connecting plate 4, a moving rod 5, an inserting rod 6, a marking pen 7, a double-faced adhesive tape 8, a screw rod 9, a crank 10, a push plate 11, a slide rod 12, an inserting block 13, a push rod 14, a pull plate 15 and a spring 16.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a precise cutting mechanism for a cutter of a numerical control lathe comprises a cutter frame 1 fixedly arranged in the lathe and a cutting knife 2 slidably sleeved in the cutter frame 1, a plurality of symmetrically arranged compression bolts 3 are sleeved on the side wall of the cutter frame 1 in a threaded manner, the tail ends of the compression bolts 3 are in contact arrangement with the cutting knife 2, the cutter 2 can be stably installed through the compression bolt 3, the connecting plate 4 is fixedly arranged at the bottom of the cutter frame 1, the moving rod 5 is arranged above the connecting plate 4, the pushing mechanism used for pushing the moving rod 5 to move is arranged between the connecting plate 4 and the moving rod 5, the top of the moving rod 5 is provided with a connecting hole, an inserting rod 6 is arranged in the connecting hole, the top of the inserting rod 6 is provided with a jack, a marking pen 7 is sleeved in the jack, and the workpiece can be quickly marked through the marking pen 7, meanwhile, the surface of the workpiece is not damaged, and a limiting mechanism is arranged between the inserted rod 6 and the connecting hole.

The bottom of the marking pen 7 is bonded with the bottom of the inner surface of the jack through the double faced adhesive tape 8, and the marking pen 7 can be quickly plugged and pulled out.

The pushing mechanism comprises a screw rod 9, the screw rod 9 is in threaded sleeve connection with a connecting plate 4, the top of the screw rod 9 is rotatably connected with the moving rod 5 through a bearing, the screw rod 9 and the moving rod 5 can rotate relatively, the bottom of the screw rod 9 is fixedly connected with a crank 10, and the screw rod 9 can be rotated through rotating the crank 10.

The fixed push pedal 11 that has cup jointed of lateral wall lower extreme of carriage release lever 5, the bottom both ends of push pedal 11 all are fixed and are equipped with slide bar 12, and inside the lower extreme of slide bar 12 slided to wear to locate link board 4, carried on spacingly through push pedal 11 and slide bar 12 to the removal of carriage release lever 5.

Stop gear includes the inserted block 13 that two symmetries set up, the slot has all been seted up at the bottom both ends of inserted bar 6, inserted block 13 is located inside the slot, the bottom of two inserted blocks 13 is all fixed and is equipped with push rod 14, push rod 14's the other end passes carriage release lever 5 and removes to the outside, and fixed arm-tie 15 that is equipped with, the fixed spring 16 that is equipped with between the inner wall of push rod 14 and connecting hole, can promote inserted block 13 through spring 16 and closely peg graft with the slot, improve inserted bar 6 and carriage release lever 5's stability of being connected.

The inserted block 13 is a wedge-shaped block, and inclined planes are arranged at two ends of the bottom of the inserted rod 6, so that the inserted block 13 can be in contact with the inserted rod 6, and the inserted rod 6 and the inserted block 13 are connected.

In the utility model, when a workpiece to be machined is machined, a cutter and a marking pen 7 are installed, then the workpiece starts to be machined in a rotating mode, in the process, a cutting knife 2 drives the marking pen 7 to move transversely, the marking pen 7 moves to the current distance, then a crank handle 10 is rotated, a screw rod 9 and a connecting plate 4 rotate and push a push plate 11, in the process, through the limiting sliding of a sliding rod 12 and the connecting plate 4, a moving rod 5 drives the marking pen 7 to move, the marking pen 7 is in contact with the workpiece, the marking and cutting of the workpiece are completed, then the crank handle 10 is reversed, the marking pen 7 returns to the initial position, two pull plates 15 are pulled, the pull plates 15 drive a push rod 14 to move, the push rod 14 drives an insert block 13 to be far away from an inserting slot, meanwhile, a spring 16 is compressed, and in the process, the insert rod 6 can be pulled, and the marking pen 7 is pulled out from the inserting rod 6, so that the marking pen 7 can be quickly replaced, and finally, all the parts are restored to the initial positions.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The accurate cutting mechanism of cutter for the numerical control lathe comprises a cutter rest (1) fixedly arranged in the lathe and a cutter (2) sleeved in the cutter rest (1) in a sliding manner, and is characterized in that a plurality of symmetrically arranged compression bolts (3) are sleeved on the side wall of the cutter rest (1) in a threaded manner, the tail ends of the compression bolts (3) are in contact with the cutter (2), a connecting plate (4) is fixedly arranged at the bottom of the cutter rest (1), a moving rod (5) is arranged above the connecting plate (4), a pushing mechanism used for pushing the moving rod (5) to move is arranged between the connecting plate (4) and the moving rod (5), a connecting hole is formed in the top of the moving rod (5), an inserting rod (6) is arranged in the connecting hole, an inserting hole is formed in the top of the inserting rod (6), and a scribing pen (7) is sleeved in the inserting hole, and a limiting mechanism is arranged between the inserted rod (6) and the connecting hole.

2. The cutter precise cutting mechanism for the numerical control lathe is characterized in that the bottom of the marking pen (7) is bonded with the bottom of the inner surface of the insertion hole through a double-sided adhesive tape (8).

3. The precise cutting mechanism of the cutter for the numerical control lathe according to claim 1, wherein the pushing mechanism comprises a screw rod (9), the screw rod (9) is in threaded sleeve connection with the connecting plate (4), the top of the screw rod (9) is rotatably connected with the moving rod (5) through a bearing, and a crank (10) is fixedly connected to the bottom of the screw rod (9).

4. The precise cutting mechanism of the cutter for the numerical control lathe according to claim 1, wherein a push plate (11) is fixedly sleeved at the lower end of the outer side wall of the movable rod (5), slide rods (12) are fixedly arranged at both ends of the bottom of the push plate (11), and the lower ends of the slide rods (12) are slidably arranged in the connecting plate (4).

5. The precise cutting mechanism of the cutter for the numerical control lathe according to claim 1, wherein the limiting mechanism comprises two symmetrically arranged insert blocks (13), two ends of the bottom of the insert rod (6) are provided with slots, the insert blocks (13) are located inside the slots, push rods (14) are fixedly arranged at the bottoms of the two insert blocks (13), the other ends of the push rods (14) penetrate through the movable rod (5) and move to the outside, pull plates (15) are fixedly arranged, and springs (16) are fixedly arranged between the push rods (14) and the inner wall of the connecting hole.

6. The precise cutting mechanism of the cutter for the numerical control lathe according to claim 5, characterized in that the insert block (13) is a wedge-shaped block, and two ends of the bottom of the insert rod (6) are provided with inclined surfaces.