CN211727543U

CN211727543U - General lathe capable of accurately positioning cutter

Info

Publication number: CN211727543U
Application number: CN201922324888.5U
Authority: CN
Inventors: 王振煌
Original assignee: Quanzhou Pinyuan Machinery Technology Co ltd
Current assignee: Harbin Xiangtai power station equipment manufacturing Co.,Ltd.
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-23
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a can pinpoint lathe of cutter, including cutter and recess, the right side outer wall of cutter and the internal surface clearance fit of recess, slider and spout slip joint, the right side surface front end at the recess is seted up to the spout, the rigid coupling has the pointer in the middle of the right-hand member of clamp splice, the right-hand member summit department of pointer indicates there is the scale. This can pinpoint lathe of cutter, the pointer indicates digit zero hour on the scale, the cutter is located the center axis of work piece, fix the cutter, the lathe is when installing the cutter to the cutter has been solved, make the cutter can deviate the work piece center, cause the part after the processing to have the problem of handing over big error, two crossbands move simultaneously downwards in two rotor blocks and fix the cutter, current lathe is when fixed the cutter, because it supports tight fixedly to the cutter to need the multiunit screw, make the screw support to the cutter and tightly become the degree inequality, cause the cutter to break away from the problem of water flat line.

Description

General lathe capable of accurately positioning cutter

Technical Field

The utility model relates to a lathe technical field specifically is a lathe that can pinpoint the cutter.

Background

The common lathe is a horizontal lathe which can process various procedures for various workpieces such as shafts, discs, rings and the like, is usually used for processing the inner and outer rotating surfaces, end surfaces and various inner and outer threads of the workpieces, adopts corresponding cutters and accessories, and can also be used for drilling, reaming, tapping, knurling and the like. The common lathe is the most widely used lathe, which accounts for about 65% of the total number of lathes, and is called a horizontal lathe because the main shaft is horizontally arranged, but when the existing common lathe is used for installing a cutter, the cutter can deviate from the center of the workpiece because the center point of the cutter and the center point of the workpiece cannot be accurately positioned, so that the problem of large errors of the machined part is caused, and meanwhile, when the existing common lathe is used for fixing the cutter, because a plurality of groups of screws are needed for abutting and fixing the cutter, the cutter is abutted and fixed unevenly by the screws, so that the cutter is separated from the horizontal line.

Disclosure of Invention

An object of the utility model is to provide a lathe that can pinpoint the cutter to the lathe that proposes in solving above-mentioned background art is when the installation cutter, because can not make accurate location to the central point with the work piece of cutter, makes the cutter can deviate the work piece center, causes the part after the processing to have the problem of handing over big error.

In order to achieve the above object, the utility model provides a following technical scheme: a common lathe capable of accurately positioning a cutter comprises the cutter and a groove, wherein the outer wall of the right side of the cutter is in clearance fit with the inner surface of the groove, and a positioning mechanism is arranged on the right side of the cutter;

the positioning mechanism comprises a clamping block, a sliding groove, a pointer and a graduated scale;

the left side inner wall of clamp splice and the right side outer wall clearance fit of cutter, the right side rear end rigid coupling of clamp splice has the slider, slider and spout slip joint, the spout is seted up at the right side surface front end of recess, the rigid coupling has the pointer in the middle of the right-hand member of clamp splice, the right-hand member summit department of pointer indicates there is the scale.

Preferably, the sliding block and the sliding groove form a sliding structure.

Preferably, the groove is formed in the inner wall of the front end below the fixed block, and the fixed block is connected with a common lathe in a rotating mode.

Preferably, a supporting mechanism is arranged below the left side of the fixed block;

the supporting mechanism comprises a hexagonal block, a threaded rod and a top block;

the middle rigid coupling threaded rod in the middle of the top of hexagonal piece, the outer wall of threaded rod links to each other with the left side below inner wall screw thread of fixed block, the top rigid coupling of threaded rod has the kicking block, the top of kicking block is laminated with the bottom of cutter mutually.

Preferably, a fixing mechanism is installed at the top end of the fixing block;

the fixing mechanism comprises a first screw rod, a cross rod, a supporting block, a handle, a gear, a threaded pipe, a bearing, a rotating block, a second screw rod and a cross block;

the utility model discloses a cutting tool, including recess, first lead screw, supporting shoe, bearing, handle, first lead screw, second lead screw, first lead screw, the equal rigid coupling in bottom of supporting shoe is in the top left and right sides of fixed block, left side the handle has been cup jointed to the left side outer wall of horizontal pole, first lead screw links to each other two with a plurality of gear engagement the equal rigid coupling of the middle inner wall of gear has the screwed pipe, two the screwed pipe rotates with the fixed block through the bearing respectively and links to each other, the middle inner wall of screwed pipe all links to each other with the middle inner wall screw of commentaries on classics piece respectively, two the equal rigid coupling in rear end of commentaries on classics.

Preferably, the gear, the threaded pipe, the bearing, the rotating block, the second screw rod and the transverse block are symmetrically distributed on the left side and the right side by taking the center line of the first screw rod as the center.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the traditional technology, the common lathe capable of accurately positioning the cutter has the following advantages:

through the cooperation between cutter, the clamp splice, the slider, the spout, pointer and the scale, the cutter is put in the clamp splice, the clamp splice passes through the slider and drives the cutter and slide from top to bottom in the spout, the clamp splice drives the pointer and slides from top to bottom, the pointer indicates digit zero time on the scale, the cutter is located the center axis of work piece, fix a position the cutter, when having solved current ordinary lathe and installing the cutter, because can not make accurate location to the central point of cutter and work piece, make the cutter can deviate the work piece center, cause the part after the processing to have the problem of handing over big error.

Through the matching among the cutter, the hexagonal block, the threaded rod, the jacking block, the first lead screw, the cross rod, the supporting block, the handle, the gear, the threaded pipe, the bearing, the rotating block, the second lead screw and the cross block, the hexagonal block is rotated to drive the threaded rod to rotate, so that the threaded rod moves upwards on the fixed block, the threaded rod drives the jacking block to move upwards and be attached to the cutter, at the moment, the rotating handle drives the first lead screw to rotate on the supporting block through the cross rod, two gears are driven to rotate together through the meshing force between the first lead screw and the two gears, the two gears drive the two threaded pipes to rotate on the fixed block through the two bearings, so that the two second lead screws simultaneously move downwards in the two threaded pipes, the two second lead screws drive the two cross blocks to simultaneously move downwards in the two rotating blocks to fix the cutter, the cutter is uniformly stressed, and the problem that when the existing common, because the cutter needs to be tightly fixed by a plurality of groups of screws, the cutter is unevenly tightly pressed by the screws, and the cutter is separated from the horizontal line.

Drawings

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

Fig. 2 is a schematic structural view of the first lead screw, the gear and the threaded pipe in fig. 1.

Fig. 3 is a schematic structural view of the clamping block, the sliding block and the sliding groove in fig. 1.

Fig. 4 is a schematic structural view of the pointer and the scale in fig. 1.

In the figure: 1. the device comprises a fixed block, 2, a groove, 3, a cutter, 4, a positioning mechanism, 401, a clamping block, 402, a sliding block, 403, a sliding groove, 404, a pointer, 405, a graduated scale, 5, a supporting mechanism, 501, a hexagonal block, 502, a threaded rod, 503, a top block, 6, a fixing mechanism, 601, a first screw rod, 602, a cross rod, 603, a supporting block, 604, a handle, 605, a gear, 606, a threaded pipe, 607, a bearing, 608, a rotating block, 609, a second screw rod, 610, a transverse block, 7 and a common lathe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a common lathe capable of accurately positioning a cutter comprises a cutter 3 and a groove 2, the right outer wall of the cutter 3 is in clearance fit with the inner surface of the groove 2, the cutter 3 moves left and right in the groove 2, a positioning mechanism 4 is installed on the right side of the cutter 3, the positioning mechanism 4 comprises a clamping block 401, a sliding block 402, a sliding groove 403, a pointer 404 and a graduated scale 405, the left inner wall of the clamping block 401 is in clearance fit with the right outer wall of the cutter 3, the clamping block 401 fixes the cutter 3, the rear end of the right side of the clamping block 401 is fixedly connected with the sliding block 402, the sliding block 402 is in sliding clamping connection with the sliding groove 403, the sliding groove 403 is arranged at the front end of the right surface of the groove 2, the clamping block 401 moves up and down in the sliding groove 403 in the groove 2 through the sliding block 402, the sliding groove prevents the sliding block 402 from derailing, the pointer 404 is fixedly connected in the middle of the right end of the, when the number of the pointer 404 is zero on the graduated scale 405, the tool 3 is positioned on the central axis of the workpiece, the tool 3 is positioned, the sliding block 402 and the sliding groove 403 form a sliding structure, and the sliding block 402 slides up and down in the sliding groove 403.

The groove 2 is formed in the inner wall of the front end below the fixed block 1, the fixed block 1 is connected with a common lathe 7 in a rotating mode, and different cutters 3 can be replaced when the fixed block 1 rotates on the common lathe 7.

Supporting mechanism 5 is installed to the left side below of fixed block 1, supporting mechanism 5 includes hexagonal piece 501, threaded rod 502 and kicking block 503, rigid coupling threaded rod 502 in the middle of hexagonal piece 501's the top, it drives threaded rod 502 to rotate hexagonal piece 501, the outer wall of threaded rod 502 links to each other with the left side below inner wall screw thread of fixed block 1, threaded rod 502 rotates and reciprocates in fixed block 1, the top rigid coupling of threaded rod 502 has kicking block 503, threaded rod 502 drives kicking block 503 and reciprocates, the top of kicking block 503 is laminated mutually with the bottom of cutter 3, kicking block 503 supports cutter 3.

The top end of the fixed block 1 is provided with a fixing mechanism 6, the fixing mechanism 6 comprises a first screw rod 601, a cross rod 602, a supporting block 603, a handle 604, a gear 605, a threaded pipe 606, a bearing 607, a rotating block 608, a second screw rod 609 and a cross block 610, the first screw rod 601 is rotatably connected with the supporting block 603 through the cross rod 602, the first screw rod 601 rotates in the supporting blocks 603 on two sides through the cross rods 602 on two sides, the bottom ends of the supporting blocks 603 are fixedly connected with the left side and the right side of the top end of the fixed block 1, the fixed block 1 supports the two supporting blocks 603, the handle 604 is sleeved on the outer wall of the left side cross rod 602, the rotating handle 604 drives the first screw rod 601 to rotate through the left side cross rod 602, the first screw rod 601 is meshed with the two gears 605, the two gears 605 are driven to rotate simultaneously through the meshing force between the first screw rod, two threaded pipes 606 are respectively and rotatably connected with a fixed block 1 through bearings 607, two gears 605 respectively drive the two threaded pipes 606 to respectively rotate on the fixed block 1 through the bearings 607, the middle inner walls of the threaded pipes 606 are both and threadedly connected with the upper outer walls of the second lead screws 609, the two threaded pipes 606 rotate in the positive and reverse directions to enable the two second lead screws 609 to move up and down in the threaded pipes 606, the upper outer walls of the two second lead screws 609 are respectively and threadedly connected with the middle inner walls of a rotating block 608, the two second lead screws 609 respectively move up and down in the rotating block 608, the rear ends of the two rotating blocks 608 are both fixedly connected with the front end of the upper left surface of a groove 2, the groove 2 supports the two rotating blocks 608, the bottom ends of the second lead screws 609 are both fixedly connected with transverse blocks 610, the two second lead screws 609 respectively drive the transverse blocks 610 to move up and down, the bottom ends of the two transverse blocks 610 are both attached to the top end of the left side of a cutter 3, the cutter 3 is stressed evenly, and the gear 605, the threaded pipe 606, the bearing 607, the rotating block 608, the second screw rod 609 and the transverse block 610 are symmetrically distributed on the left side and the right side by taking the center line of the first screw rod 601 as the center.

When the lathe capable of accurately positioning the cutter is used, firstly, the cutter 3 with equal size is manually placed in a clamping block 401, the clamping block 401 drives the cutter 3 to slide up and down in a sliding groove 403 through a sliding block 402, the clamping block 401 drives a pointer 404 to slide up and down, the pointer 404 points to zero number on a graduated scale 405, the cutter 3 is arranged on the central point of a workpiece, a hexagonal block 501 is rotated to drive a threaded rod 502 to rotate, the threaded rod 502 moves upwards on a fixed block 1, the threaded rod 502 drives a top block 503 to move upwards to be attached to the cutter 3, at the moment, a handle 604 is manually rotated to drive a first lead screw 601 to rotate on a supporting block 603 through a cross rod 602, two gears 605 are driven to rotate together through the meshing force between the first lead screw 601 and the two gears 605, the two gears 605 drive two threaded pipes 606 to rotate on the fixed block 1 through two bearings 607, and two second lead screws 609 move downwards in the two threaded pipes 606 simultaneously, the two second screws 609 drive the two cross blocks 610 to move downwards and simultaneously in the two rotating blocks 608 to fix the cutter 3.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not 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 construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A general lathe capable of accurately positioning a cutter comprises a cutter (3) and a groove (2), and is characterized in that: the outer wall of the right side of the cutter (3) is in clearance fit with the inner surface of the groove (2), and a positioning mechanism (4) is arranged on the right side of the cutter (3);

the positioning mechanism (4) comprises a clamping block (401), a sliding block (402), a sliding groove (403), a pointer (404) and a graduated scale (405);

the left side inner wall of clamp splice (401) and the right side outer wall clearance fit of cutter (3), the right side rear end rigid coupling of clamp splice (401) has slider (402), slider (402) and spout (403) slip joint, the right side surface front end at recess (2) is seted up in spout (403), the rigid coupling has pointer (404) in the middle of the right-hand member of clamp splice (401), the right-hand member summit department of pointer (404) indicates scale (405).

2. A machine tool capable of accurately positioning a tool as set forth in claim 1, wherein: the sliding block (402) and the sliding groove (403) form a sliding structure.

3. A machine tool capable of accurately positioning a tool as set forth in claim 1, wherein: the groove (2) is formed in the inner wall of the front end below the fixing block (1), and the fixing block (1) is connected with a common lathe (7) in a rotating mode.

4. A machine tool capable of accurately positioning a tool as set forth in claim 3, wherein: a supporting mechanism (5) is arranged below the left side of the fixed block (1);

the supporting mechanism (5) comprises a hexagonal block (501), a threaded rod (502) and a top block (503);

rigid coupling threaded rod (502) in the middle of the top of hexagonal piece (501), the outer wall of threaded rod (502) links to each other with the left side below inner wall screw thread of fixed block (1), the top rigid coupling of threaded rod (502) has kicking block (503), the top of kicking block (503) is laminated with the bottom of cutter (3) mutually.

5. A machine tool capable of accurately positioning a tool as set forth in claim 3, wherein: a fixing mechanism (6) is arranged at the top end of the fixing block (1);

the fixing mechanism (6) comprises a first screw rod (601), a cross rod (602), a supporting block (603), a handle (604), a gear (605), a threaded pipe (606), a bearing (607), a rotating block (608), a second screw rod (609) and a cross block (610);

the first screw rod (601) is rotatably connected with a supporting block (603) through a cross rod (602), the bottom ends of the supporting block (603) are fixedly connected to the left side and the right side of the top end of a fixed block (1), a handle (604) is sleeved on the outer wall of the left side of the cross rod (602) on the left side, the first screw rod (601) is meshed with a plurality of gears (605), threaded pipes (606) are fixedly connected to the inner walls of the middle parts of the two gears (605), the two threaded pipes (606) are rotatably connected to the fixed block (1) through bearings (607), the inner wall of the middle part of each threaded pipe (606) is fixedly connected to the outer wall of the upper part of a second screw rod (609) in a threaded manner, the outer walls of the upper parts of the two second screw rods (609) are respectively in threaded connection with the inner wall of the middle part of a rotating block (608), the rear ends of the two rotating blocks (608) are fixedly connected to the front end of the upper surface of the left side of a groove (2), the bottom ends of the two transverse blocks (610) are attached to the top end of the left side of the cutter (3).

6. A lathe capable of accurately positioning a tool as set forth in claim 5, wherein: the gear (605), the threaded pipe (606), the bearing (607), the rotating block (608), the second screw rod (609) and the transverse block (610) are symmetrically distributed on the left side and the right side by taking the center line of the first screw rod (601) as the center.