CN215033677U

CN215033677U - Cutter fixing device of horizontal lathe

Info

Publication number: CN215033677U
Application number: CN202121602816.3U
Authority: CN
Inventors: 黄宝永
Original assignee: Qian'an Jinhaoyuan Hydraulic Machinery Equipment Co ltd
Current assignee: Qian'an Jinhaoyuan Hydraulic Machinery Equipment Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-07
Anticipated expiration: 2031-07-14

Abstract

The application relates to a cutter fixing device of a horizontal lathe, which belongs to the technical field of horizontal lathes and comprises an upper cutter frame and a supporting plate, wherein a rotating shaft is fixed in the middle of the upper cutter frame, the rotating shaft upwards penetrates through the supporting plate and is fixed with the supporting plate, a cutter is positioned between the upper cutter frame and the supporting plate, and a fixing component for fixing the cutter is arranged on the supporting plate; the fixed subassembly includes the threaded rod, first bevel gear and second bevel gear, and the threaded rod runs through the backup pad and the butt is close to the surface that the backup pad was close to the cutter, and first bevel gear is located the backup pad and keeps away from the surface of top rest, and the one end that first bevel gear is close to the backup pad is fixed with the turning block that is located the backup pad inside, and the threaded rod runs through first bevel gear and with first bevel gear threaded connection, and second bevel gear and first bevel gear meshing are fixed with drive second bevel gear pivoted second motor in the backup pad. This application has the effect that the cutter was changed to the convenience.

Description

Cutter fixing device of horizontal lathe

Technical Field

The application relates to the technical field of horizontal lathes, in particular to a cutter fixing device of a horizontal lathe.

Background

The horizontal lathe can be used for processing various workpieces such as shafts, discs, rings and the like in various procedures, is usually used for processing internal and external rotating surfaces, end surfaces and various internal and external threads of the workpieces, adopts corresponding cutters and accessories, and can also be used for drilling, reaming, tapping, knurling and the like.

Chinese utility model patent that publication number is CN203409284U discloses a lathe tool fixing device, including top rest and cutter top support frame, be fixed with the axis of rotation between top rest and the cutter top support frame, a plurality of cutters are fixed between top rest and cutter top support frame, are provided with clamp bolt on the cutter top support frame, clamp bolt run through cutter top support frame and with the top rest butt. When the tool is replaced, the compression bolt needs to be unscrewed through a wrench, a new tool is replaced, and then the compression bolt is screwed through the wrench.

Aiming at the related technologies, the inventor thinks that the defects of inconvenience, time waste and labor waste caused by the fact that a spanner is needed to screw a compression bolt when a cutter is replaced exist.

SUMMERY OF THE UTILITY MODEL

In order to replace the cutter conveniently, the application provides a cutter fixing device of a horizontal lathe.

The application provides a horizontal lathe's cutter fixing device adopts following technical scheme:

a cutter fixing device of a horizontal lathe comprises an upper cutter frame and a supporting plate, wherein a rotating shaft is fixed in the middle of the upper cutter frame, the rotating shaft upwards penetrates through the supporting plate and is fixed with the supporting plate, a cutter is positioned between the upper cutter frame and the supporting plate, and a fixing component for fixing the cutter is arranged on the supporting plate;

the fixed subassembly includes the threaded rod, first bevel gear and second bevel gear, and the threaded rod runs through the backup pad and the butt is close to the surface that the backup pad was close to the cutter, and first bevel gear is located the backup pad and keeps away from the surface of top rest, and the one end that first bevel gear is close to the backup pad is fixed with the turning block that is located the backup pad inside, and the threaded rod runs through first bevel gear and with first bevel gear threaded connection, and second bevel gear and first bevel gear meshing are fixed with drive second bevel gear pivoted second motor in the backup pad.

Through adopting above-mentioned technical scheme, when changing the cutter, motor drive second bevel gear rotates, and second bevel gear drives first bevel gear and rotates, and first bevel gear drives the threaded rod upward movement, makes the bottom of threaded rod break away from the cutter surface, then changes new cutter, and the motor drives the threaded rod downward movement, makes the bottom of threaded rod support tight cutter surface. The cutter is fixed through the fixing component, the cutter is convenient to replace, and the working efficiency is improved.

Optionally, one side of the cutter close to the threaded rod is provided with a tight abutting plate, one end of the threaded rod close to the cutter abuts against the tight abutting plate, and the tight abutting plate abuts against the cutter.

Through adopting above-mentioned technical scheme, support tight board and support tight cutter, support tight board and increase the area of contact of threaded rod and cutter, make the cutter more stable.

Optionally, a plurality of springs are arranged between the abutting plate and the supporting plate, one end of each spring is fixed to the supporting plate, and the other end of each spring is fixed to the abutting plate.

Through adopting above-mentioned technical scheme, support and be provided with a plurality of springs between tight board and the backup pad, before the threaded rod lower extreme supported tightly supporting the tight board, the spring gave and supported tight board elasticity, made to support tight board and supported tight cutter earlier, the motor drives the threaded rod again and supports tightly supporting the tight board, makes things convenient for the threaded rod to support tightly the board.

Optionally, two sides of the abutting plate are both fixed with baffle plates, and the cutter is clamped between the two baffle plates.

Through adopting above-mentioned technical scheme, the cutter card is between two baffles, will support tight board when the threaded rod and support tight back, and the baffle can reduce the cutter and take place the possibility of rocking.

Optionally, a rubber pad is fixed on one side of the abutting plate close to the cutter.

Through adopting above-mentioned technical scheme, when fixing the cutter, support tight board butt cutter surface, the rubber pad contacts with the cutter surface, can increase the frictional force that supports tight board and cutter surface, makes the cutter more stable.

Optionally, a positioning block is fixed on one side of the abutting plate close to the cutter, and a positioning groove for inserting the positioning block is formed in one side of the cutter close to the abutting plate.

By adopting the technical scheme, when the cutter is installed, the cutter is placed on the upper cutter frame, then the positioning groove is aligned with the positioning block, the positioning block is inserted into the positioning groove, the clamping plate is clamped against the cutter under the action of the elastic force of the spring, and the cutter is conveniently installed.

Optionally, the end of one end of the positioning block close to the positioning groove is gradually reduced.

Through adopting above-mentioned technical scheme, the tip that the locating piece is close to the one end of constant head tank dwindles gradually, when installing the cutter, aligns back with the constant head tank with the locating piece, because the locating piece is kept away from the one end of tightly supporting the board less, so insert the constant head tank in easily for the installation rate.

Optionally, a plurality of cutters are arranged between the upper tool rest and the supporting plate, the plurality of cutters are uniformly arranged along the circumferential direction of the upper tool rest, and each cutter corresponds to one fixing assembly.

By adopting the technical scheme, the requirements on production and processing are met by arranging the plurality of groups of cutters on the upper cutter frame, the space on the upper cutter frame is fully utilized, more than four cutters can be arranged on the upper cutter frame, and the workpiece can be conveniently cut.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cutter is fixed through the fixing component, so that the cutter is convenient to replace, and the working efficiency is improved;

2. the abutting plate abuts against the cutter, and the abutting plate increases the contact area of the threaded rod and the cutter, so that the cutter is more stable;

3. the upper tool rest is provided with a plurality of groups of tools, so that the requirements on production and processing are met, the space on the upper tool rest is fully utilized, more than four tools can be arranged on the upper tool rest, and the workpiece can be conveniently cut.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a schematic view of a securing assembly embodying the present application.

FIG. 3 is a schematic view of a baffle embodying the present application.

Description of reference numerals: 1. an upper tool rest; 2. a lower tool rest; 3. a support plate; 4. a rotating shaft; 41. rotating the handle; 5. a fixing assembly; 51. a threaded rod; 52. a first bevel gear; 521. rotating the block; 53. a second bevel gear; 54. a motor; 55. a propping plate; 551. a rubber pad; 6. a baffle plate; 61. a card slot; 7. positioning blocks; 71. positioning a groove; 8. a spring; 9. and (4) a cutter.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses cutter fixing device of horizontal lathe. Referring to fig. 1, the fixing device comprises an upper tool rest 1 and a lower tool rest 2, the lower tool rest 2 is positioned below the upper tool rest 1 and fixed with the lower tool rest 2, a supporting plate 3 is arranged above the upper tool rest 1, and a plurality of cutters 9 are uniformly arranged between the upper tool rest 1 and the supporting plate 3 along the circumferential direction of the upper tool rest 1. A rotating shaft 4 is fixed between the upper tool rest 1 and the supporting plate 3, and the rotating shaft 4 upwards penetrates through the supporting plate 3 and is fixed with a rotating handle 41.

The one end that the twist grip 41 was kept away from to pivot 4 runs through upper cutter frame 1 and links to each other with lower cutter frame 2, and pivot 4 is fixed with upper cutter frame 1, and rotatory twist grip 41, lower cutter frame 2 rotate along with twist grip 41, and lower cutter frame 2 drives cutter 9 and rotates, and twist grip 41 can realize using by turns of different cutters 9.

Referring to fig. 1 and 2, a fixing assembly 5 is provided above each tool 9, and the fixing assembly 5 is mounted to the surface of the support plate 3 remote from the upper tool holder 1. The fixing component 5 comprises a threaded rod 51, the threaded rod 51 penetrates through the support plate 3, a first bevel gear 52 is arranged above the support plate 3, a rotating block 521 is fixed below the first bevel gear 52, the rotating block 521 is located inside the support plate 3 and is in rotating connection with the support plate 3, therefore, the first bevel gear 52 is in rotating connection with the support plate 3, and the rotating block 521 can prevent the first bevel gear 52 from being separated from the support plate 3.

A second bevel gear 53 is arranged on one side of the first bevel gear 52, the second bevel gear 53 is meshed with the first bevel gear 52, and a motor 54 for driving the second bevel gear 53 to rotate is fixed on the support plate 3. The threaded rod 51 penetrates through the middle position of the first bevel gear 52 and is in threaded connection with the first bevel gear 52.

One end of the cutter 9 far away from the upper cutter frame 1 is provided with a propping plate 55, and the bottom end of the threaded rod 51 props against the propping plate 55, so that the cutter 9 is fixed. When the cutter 9 is installed, the cutter 9 is firstly placed between the upper cutter frame 1 and the supporting plate 3, then the motor 54 is started, the motor 54 drives the second bevel gear 53 to rotate, the second bevel gear 53 drives the first bevel gear 52 to rotate, the first bevel gear 52 drives the threaded rod 51 to move downwards, the bottom end of the threaded rod 51 abuts against the tight plate 55, the tight plate 55 abuts against the cutter 9, and therefore the cutter 9 is fixed.

Referring to fig. 2 and 3, two baffles 6 are arranged at one end of the abutting plate 55 close to the cutter 9, the two baffles 6 are respectively located at two sides of the cutter 9, the two baffles 6 and the abutting plate 55 form a clamping groove 61, and the cutter 9 is located in the clamping groove 61. The threaded rod 51 abuts against the abutting plate 55, the cutter 9 is located in the clamping groove 61, and stability of the cutter 9 is improved. A rubber pad 551 is fixed on one side of the abutting plate 55 close to the cutter 9, and the rubber pad 551 is in contact with the surface of the cutter 9, so that the cutter 9 is more stable.

A positioning block 7 is fixed on one side of the abutting plate 55 close to the cutter 9, the positioning block 7 penetrates through the rubber pad 551, a positioning groove 71 is formed on one side of the cutter 9 close to the abutting plate 55, and the positioning block 7 is in inserting fit with the positioning groove 71. The locating piece 7 is square, and the one end cross-section that the locating piece 7 is close to cutter 9 diminishes gradually, makes things convenient for the locating piece 7 to insert in the constant head tank 71.

A plurality of springs 8 are arranged between the abutting plate 55 and the supporting plate 3, one end of each spring 8 is fixed to the abutting plate 55, the other end of each spring 8 is fixed to the supporting plate 3, the abutting plate 55 can further abut against the cutter 9 under the action of the elastic force of the spring 8, and the cutter 9 is fixed.

The implementation principle of the cutter fixing device of the horizontal lathe in the embodiment of the application is as follows: when the cutter 9 is installed, the cutter 9 is firstly placed below the abutting plate 55, the positioning block 7 is inserted into the positioning groove 71, the abutting plate 55 abuts against the cutter 9 under the action of the elastic force of the spring 8, then the motor 54 is started, the motor 54 drives the second bevel gear 53 to rotate, the second bevel gear 53 drives the first bevel gear 52 to rotate, the second bevel gear 53 drives the threaded rod 51 to move downwards, the bottom end of the threaded rod 51 abuts against the abutting plate 55, and therefore the cutter 9 is fixed.

When the cutter 9 is disassembled, the motor 54 drives the threaded rod 51 to move upwards, so that the bottom end of the threaded rod 51 is separated from the abutting plate 55, and then the cutter 9 is drawn out from between the upper cutter frame 1 and the supporting plate 3 and replaced by a new cutter 9.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a horizontal lathe's cutter fixing device, includes top rest (1) and backup pad (3), the intermediate position of top rest (1) is fixed with pivot (4), and pivot (4) upwards run through backup pad (3) and fixed with backup pad (3), its characterized in that: the cutter (9) is positioned between the upper cutter frame (1) and the support plate (3), and the support plate (3) is provided with a fixing component (5) for fixing the cutter (9);

fixed subassembly (5) include threaded rod (51), first bevel gear (52) and second bevel gear (53), threaded rod (51) run through backup pad (3) and butt to cutter (9) are close to the surface of backup pad (3), first bevel gear (52) are located backup pad (3) and keep away from the surface of top rest (1), the one end that first bevel gear (52) are close to backup pad (3) is fixed with and is located inside turning block (521) of backup pad (3), threaded rod (51) run through first bevel gear (52) and with first bevel gear (52) threaded connection, second bevel gear (53) and first bevel gear (52) meshing, be fixed with second motor (54) of drive second bevel gear (53) pivoted on backup pad (3).

2. The tool holding device for a horizontal lathe according to claim 1, wherein: one side of the cutter (9) close to the threaded rod (51) is provided with a tightly-abutting plate (55), one end of the threaded rod (51) close to the cutter (9) tightly abuts against the tightly-abutting plate (55), and the tightly-abutting plate (55) tightly abuts against the cutter (9).

3. The tool holding device for a horizontal lathe according to claim 2, wherein: a plurality of springs (8) are arranged between the abutting plate (55) and the supporting plate (3), one end of each spring (8) is fixed to the supporting plate (3), and the other end of each spring (8) is fixed to the abutting plate (55).

4. The tool holding device for a horizontal lathe according to claim 2 or 3, wherein: baffle plates (6) are fixed on two sides of the abutting plate (55), and the cutter (9) is clamped between the two baffle plates (6).

5. The tool holding device for a horizontal lathe according to claim 4, wherein: a rubber pad (551) is fixed on one side of the abutting plate (55) close to the cutter (9).

6. The tool holding device for a horizontal lathe according to claim 4, wherein: a positioning block (7) is fixed on one side of the abutting plate (55) close to the cutter (9), and a positioning groove (71) for inserting the positioning block (7) is formed in one side of the cutter (9) close to the abutting plate (55).

7. The tool holding device for a horizontal lathe according to claim 6, wherein: the end part of one end of the positioning block (7) close to the positioning groove (71) is gradually reduced.

8. The tool holding device for a horizontal lathe according to claim 1, wherein: a plurality of cutters (9) are arranged between the upper tool rest (1) and the supporting plate (3), the cutters (9) are uniformly arranged along the circumferential direction of the upper tool rest (1), and each cutter (9) corresponds to one fixing component (5).