CN210848354U

CN210848354U - Tool rest for lathe

Info

Publication number: CN210848354U
Application number: CN201921627337.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Shanxi Weite Electromechanical Engineering Co Ltd
Current assignee: Shanxi Weite Electromechanical Engineering Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-26
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a knife rest for lathe, which comprises a knife rest base, wherein the middle part of the upper surface of the knife rest base is fixedly connected with a fixed platform, a through groove is arranged on the fixed platform, the front surface and the back surface of the inside of the through groove are respectively provided with a sliding groove, the insides of the two sliding grooves are respectively connected with a sliding block in a sliding way, a sliding fixture block is fixedly connected between the two sliding blocks corresponding to the inside of the through groove, a threaded hole is arranged on the sliding fixture block, a knife tightening screw is connected on the sliding fixture block through a threaded hole in a threaded way, the knife tightening screw longitudinally penetrates through; the utility model discloses avoided the form that adopts the increase and decrease gasket to make the knife tip align with the main shaft center of lathe, realized accurate dress sword, operating time is short, does not influence machining efficiency, avoids the rigidity of traditional knife rest lock screw simultaneously, can be different according to the cutter arbor length of cutter, the difference of the atress condition, the condition such as the difference of depth of cut and adjust.

Description

Tool rest for lathe

Technical Field

The utility model relates to a lathe equipment technical field specifically is a knife rest for lathe.

Background

The lathe is a device for turning a rotating workpiece mainly by using a cutter, a tool rest is a very important part of a numerical control lathe, the tool rest is used for fixing the cutter of the lathe, the main function is to complete various even all processing procedures in one-time clamping of the workpiece so as to shorten the processing time, reduce the error caused by mounting the workpiece for many times in the processing process, thereby improving the processing efficiency and the processing precision of the machine tool, being an indispensable device in the processing of the existing lathe, leading the tool nose to be aligned with the center of the main shaft of the machine tool by adopting the mode of increasing and decreasing the gasket in the tool mounting process of the existing tool rest, being difficult to find the proper gasket to realize accurate tool mounting, having long operation time and influencing the processing efficiency, meanwhile, the position of a traditional tool rest cutter tightening screw is fixed, and the adjustment can not be carried out according to different conditions of different cutter bar lengths, different stress conditions, different cutting depths and the like of the cutter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a knife rest for lathe to solve the current knife rest that proposes among the above-mentioned background art and can adopt the form of increase and decrease gasket to make the knife tip align with the main shaft center of lathe at the dress sword in-process, hardly find suitable gasket and realize accurate dress sword, operating time is long, influence machining efficiency, the rigidity of the tight sword screw of traditional knife rest simultaneously, can't be different according to the cutter arbor length of cutter, the difference of the atress condition, the condition such as the difference of depth of cut and the problem of adjusting.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a knife rest for lathe, includes knife rest base, knife rest base's upper surface middle part fixedly connected with fixed platform, logical groove has been seted up on the fixed platform, all seted up the spout on the surface around leading to the inside in groove, two the equal sliding connection in inside of spout has a sliding block, two correspond the inside fixedly connected with slip fixture block that leads to the groove between the sliding block, set up threaded hole on the slip fixture block, there is the tight sword screw through screw hole threaded connection on the slip fixture block, the tight sword screw vertically runs through in the slip fixture block, knife rest base's lower fixed surface is connected with the mount pad.

Preferably, the fixed platform is provided with a mounting groove, the top ends of the two sides of the inner cavity of the mounting groove are fixedly connected with rotating seats, the two rotating seats are rotatably connected with screw rods, the two screw rods longitudinally penetrate through the tool rest base and the mounting seat, the bottom ends of the two screw rods are fixedly connected with driven bevel gears corresponding to the inner part of the mounting seat, one side of the inner cavity of the mounting seat is fixedly connected with a bearing seat, a rotating shaft is rotatably connected with the bearing seat, the rotating shaft transversely penetrates through the mounting seat and extends to the outer side of the mounting seat, the outer surface wall of the rotating shaft is respectively sleeved with a driving bevel gear corresponding to the driven bevel gear, the two driving bevel gears are respectively engaged and connected with the two driven bevel gears, a sliding plate is slidably connected with the screw rods, and the upper surface of the sliding plate is, the upper surface of the supporting plate is fixedly connected with a cutter placing plate.

Preferably, a chuck is fixedly connected to one end of the rotating shaft, which is far away from the bearing seat.

Preferably, a clamping rod is inserted into the chuck, the clamping rod transversely penetrates through the chuck, and a spring is sleeved on one side, corresponding to the chuck, of the outer surface wall of the clamping rod.

Preferably, a plurality of clamping grooves matched with the clamping rods are formed in one side of the mounting seat corresponding to the radial outer side of the rotating shaft, and the clamping grooves are clamped with the clamping rods.

Preferably, one end of the clamping rod, which is far away from the spring, is fixedly connected with a poking disc.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, drive initiative conical gear through rotating the axis of rotation and rotate, drive driven conical gear and rotate, make the lead screw rotate, drive the sliding plate rebound to drive backup pad and cutter and place the board rebound, change the mode of traditional gasket dress sword, improved the accuracy of tool setting, the adjustment of being convenient for realizes no gasket dress sword, operating time is short, does not influence machining efficiency, has improved work efficiency.

2. The utility model discloses, through when the depth of cut is too big or the atress is too big when the cutter cutting, can be manual adjust the tight sword screw to suitable clamping position with the cooperation of sliding block and slip fixture block under the effect of spout and press from both sides tightly, it is firm to guarantee the cutter clamp, can be according to the rigidity of the tight sword screw of clamping position control knife rest of cutter, the quantity that has reduced the tight sword screw of knife rest and the time of dress sword, and the work efficiency is improved, be convenient for simultaneously install and dismantle, and convenient operation, therefore, the clothes hanger is strong in practicability.

3. The utility model discloses, the cooperation through draw-in groove and kelly carries out the block under the effect of spring to make the axis of rotation fix, play fixed effect, can effectually avoid the lathe when vibrations appear in the course of the work, avoid the cutter the not hard up condition to appear, improved the stability of cutter, drive the kelly through pulling the dial plate and remove simultaneously, make the spring compress, make kelly and draw-in groove separate, thereby can rotate chuck and operate the use, simple structure, convenient to use.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a sectional view of the connecting structure of the base and the mounting seat of the tool holder of the present invention;

FIG. 3 is a sectional view of the fixing platform structure of the present invention;

FIG. 4 is a schematic view of the connection structure of the sliding block and the sliding block of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a tool holder base; 2. a fixed platform; 3. a mounting seat; 4. mounting grooves; 5. a rotating seat; 6. a screw rod; 7. a driven bevel gear; 8. a bearing seat; 9. a rotating shaft; 10. a driving bevel gear; 11. a chuck; 12. a sliding plate; 13. a support plate; 14. a cutter placing plate; 15. a chute; 16. a slider; 17. sliding the clamping block; 18. tightening a cutter screw; 19. a threaded hole; 20. a card slot; 21. a clamping rod; 22. a spring; 23. a dial plate; 24. a through groove.

Detailed Description

In order to avoid current cutter frame to adopt the form of increase and decrease gasket to make the main shaft center of knife tip and lathe align at the dress sword in-process, avoid hardly finding suitable gasket and realize accurate dress sword, operating time is short, does not influence machining efficiency, avoids the rigidity of traditional cutter frame tight sword screw simultaneously, avoids unable cutter arbor length difference according to the cutter, the difference of the atress condition, the condition such as the difference of depth of cut and adjust, the embodiment of the utility model provides a cutter frame for lathe. 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.

Example 1

Referring to fig. 1-5, the present embodiment provides a tool rest for a lathe, including a tool rest base 1, a fixing platform 2 fixedly connected to a middle portion of an upper surface of the tool rest base 1, a through slot 24 formed on the fixing platform 2, sliding slots 15 formed on front and rear surfaces of an inner portion of the through slot 24, sliding blocks 16 slidably connected to inner portions of the two sliding slots 15, a sliding block 17 fixedly connected to an inner portion of the through slot 24 between the two sliding blocks 16, a threaded hole 19 formed on the sliding block 17, a tightening screw 18 threadedly connected to the sliding block 17 through the threaded hole 19, the tightening screw 18 longitudinally penetrating through the sliding block 17, a mounting seat 3 fixedly connected to a lower surface of the tool rest base 1, a mounting slot 4 formed on the fixing platform 2, rotating seats 5 fixedly connected to top ends of two sides of an inner cavity of the mounting slot 4, and a screw rod, two lead screws 6 vertically run through in knife rest base 1 and mount pad 3, the equal fixedly connected with driven bevel gear 7 in inside of mount pad 3 is corresponded to the bottom of two lead screws 6, inner chamber one side fixedly connected with bearing frame 8 of mount pad 3, the last rotation connection of bearing frame 8 has axis of rotation 9, axis of rotation 9 transversely runs through in mount pad 3 and extends to the outside of mount pad 3, initiative bevel gear 10 has been cup jointed respectively to the position that corresponds driven bevel gear 7 on the outer table wall of axis of rotation 9, two initiative bevel gear 10 are connected with two driven bevel gear 7 meshing respectively, sliding connection has sliding plate 12 on the lead screw 6, sliding plate 12's last fixed surface is connected with backup pad 13, board 14 is placed to the last fixed surface cutter of backup pad 13.

In the embodiment, when the tool needs to be replaced, the tool is placed on the tool placing plate 14, the manual chuck 11 drives the rotating shaft 9 to drive the driving bevel gear 10 to rotate and drive the driven bevel gear 7 to rotate, so that the screw rod 6 rotates and drives the sliding plate 12 to move upwards, thereby driving the supporting plate 13 and the tool placing plate 14 to move upwards, the traditional mode of installing the tool on the gasket is changed, the accuracy of tool setting is improved, the adjustment is convenient, the operation time is short, the working efficiency is improved, the tool placed on the tool placing plate 14 is driven to lift in the lifting process of the tool placing plate 14, after the height of the tool is adjusted to be at the same height with the rotating axis of the workpiece, the tool tightening screw 18 can be manually adjusted to be clamped to a proper clamping position by the matching of the sliding block 16 and the sliding clamping block 17 under the action of the sliding groove 15 according to the requirements of actual conditions, tightly screw 18, make tightly screw 18 and cutter place board 14 and press from both sides the cutter tightly for the cutter is difficult to produce at the in-process of cutting the work piece and rocks, thereby reach the purpose that improves the machining precision, it is firm to guarantee that the cutter presss from both sides tightly, can be according to the position fixing of the tight sword screw of clamping position adjustment knife rest of cutter, reduced the quantity of the tight sword screw of knife rest and the time of dress sword, improved work efficiency, the installation and the dismantlement of being convenient for simultaneously, convenient operation.

Example 2

Referring to fig. 1-5, a further improvement is made on the basis of embodiment 1: the end of the rotating shaft 9 far away from the bearing seat 8 is fixedly connected with a chuck 11, the rotation of the rotating shaft 9 can be facilitated through the chuck 11, the operation is facilitated, a clamping rod 21 is inserted on the chuck 11, the clamping rod 21 transversely penetrates through the chuck 11, a spring 22 is sleeved on one side of the outer surface wall of the clamping rod 21 corresponding to the chuck 11, the clamping of the clamping rod 21 is facilitated under the action of the spring 22 through the arrangement of the spring 22, the phenomenon that the clamping rod 21 and a clamping groove 20 fall off when a lathe shakes in work is avoided, the clamping stability of the clamping rod 21 is improved, a plurality of clamping grooves 20 matched with the clamping rod 21 are formed in one side of the mounting seat 3 corresponding to the radial outer side of the rotating shaft 9, the clamping grooves 20 are clamped with the clamping rod 21, the clamping grooves 20 are matched with the clamping rod 21, the chuck 11 can be conveniently fixed, the reverse rotation of the rotating shaft 9 is avoided, a poking disc 23 is fixedly, through the setting of stirring dish 23, the condition of skidding avoids appearing in the operation of can being convenient for.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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 knife rest for lathe, includes knife rest base (1), its characterized in that: upper surface middle part fixedly connected with fixed platform (2) of knife rest base (1), logical groove (24) have been seted up on fixed platform (2), spout (15), two have all been seted up on the inside front and back surface that leads to groove (24) the equal sliding connection in inside of spout (15) has sliding block (16), two correspond inside fixedly connected with slip fixture block (17) that lead to groove (24) between sliding block (16), threaded hole (19) have been seted up on slip fixture block (17), there is tight sword screw (18) through threaded hole (19) threaded connection on slip fixture block (17), tight sword screw (18) vertically run through in slip fixture block (17), the lower fixed surface of knife rest base (1) is connected with mount pad (3).

2. The tool post for a lathe according to claim 1, wherein: the tool rest is characterized in that a mounting groove (4) is formed in the fixed platform (2), the top ends of two sides of an inner cavity of the mounting groove (4) are fixedly connected with rotating seats (5), two rotating seats (5) are rotatably connected with lead screws (6), the two lead screws (6) vertically penetrate through the tool rest base (1) and the mounting seat (3), the bottoms of the two lead screws (6) are fixedly connected with driven bevel gears (7) corresponding to the insides of the mounting seats (3), one side of the inner cavity of the mounting seat (3) is fixedly connected with a bearing seat (8), a rotating shaft (9) is rotatably connected on the bearing seat (8), the rotating shaft (9) transversely penetrates through the mounting seats (3) and extends to the outer side of the mounting seats (3), and driving bevel gears (10) are respectively sleeved on the positions, corresponding to the driven bevel gears (7), on the outer surface wall of the rotating shaft (, the two driving bevel gears (10) are respectively meshed with the two driven bevel gears (7), the screw rod (6) is connected with a sliding plate (12) in a sliding mode, the upper surface of the sliding plate (12) is fixedly connected with a supporting plate (13), and the upper surface of the supporting plate (13) is fixedly connected with a cutter placing plate (14).

3. The tool post for a lathe according to claim 2, wherein: and a chuck (11) is fixedly connected to one end of the rotating shaft (9) far away from the bearing seat (8).

4. The tool post for a lathe according to claim 3, wherein: the clamping rod (21) is inserted into the chuck (11), the clamping rod (21) transversely penetrates through the chuck (11), and a spring (22) is sleeved on one side, corresponding to the chuck (11), of the outer surface wall of the clamping rod (21).

5. The tool post for a lathe according to claim 1, wherein: one side of the mounting seat (3) corresponding to the radial outer side of the rotating shaft (9) is provided with a plurality of clamping grooves (20) matched with the clamping rods (21), and the clamping grooves (20) are clamped with the clamping rods (21).

6. The tool post for a lathe according to claim 5, wherein: one end of the clamping rod (21) far away from the spring (22) is fixedly connected with a poking disc (23).