CN211540374U

CN211540374U - CNC machining center rectangular hole adds clamping apparatus

Info

Publication number: CN211540374U
Application number: CN202020173916.8U
Authority: CN
Inventors: 胡学高
Original assignee: Shenzhen Chengyu Precision Machinery Co ltd
Current assignee: Shenzhen Chengyu Precision Machinery Co ltd
Priority date: 2020-02-15
Filing date: 2020-02-15
Publication date: 2020-09-22
Anticipated expiration: 2030-02-15

Abstract

The utility model discloses a CNC machining center rectangular hole adds clamping apparatus, including main shaft locating support and lock sword mouth, the bottom fixedly connected with cutter of lock sword mouth, the right side of main shaft locating support is provided with the locating plate. The utility model discloses a handle of a knife drives the platband tail eccentric shaft and rotates, the eccentric rotation of CNC machining center main shaft is wound to platband tail eccentric shaft area bearing housing, U-shaped notch and cutter can not rotate by main shaft locating support and locating lever location, the U-shaped notch luffing motion of seting up along main shaft locating support surface is driven by the bearing, utilize the R angle of the external force processing rectangular groove four sides that the cutter luffing motion produced, final CNC machining center processes out the rectangle, this CNC machining center rectangular hole adds clamping apparatus possesses the advantage of workable rectangular groove, make CNC machining center possess the ability of processing rectangular hole, processing step has been simplified in the in-service use process, the production technology has been optimized, the manufacturing cost of enterprise has been reduced.

Description

CNC machining center rectangular hole adds clamping apparatus

Technical Field

The utility model relates to a CNC processing technology field specifically is a CNC machining center rectangular hole adds clamping apparatus.

Background

The general CNC machining generally refers to computer digital control precision machining, CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines and the like, wherein a numerical control lathe feeding machining route refers to a route through which a turning tool moves from a tool setting point (or a fixed origin of a machine tool) to a point and returns to the point and a machining program is finished, the route comprises a cutting machining route and non-cutting idle stroke routes such as cutting in and cutting out of a tool, and a fine machining feeding route is basically carried out along the contour sequence of parts of the fine machining route, so that the determination of the feeding route is the determination of a rough machining route and an idle stroke, in the numerical control lathe machining, the determination of the machining route generally follows the following principles, the precision and the surface roughness of a machined workpiece can be guaranteed, the machining route is shortest, the idle stroke time is shortened, the machining efficiency is improved, and the numerical calculation workload is simplified as much as possible, the processing procedure is simplified and for some re-used procedures, a subroutine should be used.

Machining means the process that changes the overall dimension or the performance of work piece through a mechanical equipment, can divide into cutting process and pressure equipment according to the difference in the processing mode, CNC machining center is the device of using cutting process theory of operation, the slot is hardly processed out at the course of working to most of current CNC machining centers, need quote other processing equipment when having led to processing the slot and accomplish the processing of slot, consequently, the loaded down with trivial details of enterprise's processing step has been caused, the manufacturing cost of enterprise has been improved, for solving above-mentioned problem, a CNC machining center slot adds clamping apparatus and waits to be developed urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a CNC machining center slot adds clamping apparatus possesses the advantage of workable slot, has solved most current CNC machining centers and has hardly processed out the slot in the course of working, need quote other processing equipment when having leaded to processing the slot and accomplish the processing of slot, consequently, has caused the loaded down with trivial details of enterprise's processing step, has improved the manufacturing cost's of enterprise problem.

In order to achieve the above object, the utility model provides a following technical scheme: a CNC machining center rectangular hole machining clamp comprises a main shaft positioning support and a cutter locking nozzle, wherein a cutter is fixedly connected to the bottom of the cutter locking nozzle, a positioning plate is arranged on the right side of the main shaft positioning support, a groove is formed in the left top of the main shaft positioning support, two fastening bolts I are arranged in the inner cavity of the groove in a penetrating mode, one end of each fastening bolt I penetrates into the positioning plate, a fastening bolt II is arranged on one side of the positioning plate in a penetrating mode, a cutter locking screw is arranged on the top of the cutter locking nozzle, a bearing sleeve is connected to the surface of the cutter locking screw in a threaded mode, a mounting hole matched with the cutter locking screw is formed in the bottom of the bearing sleeve, a bearing is connected to the inner cavity of the bearing sleeve in a threaded mode, a fixing seat is connected to the top of the surface of the bearing in a threaded mode, a threaded hole matched with the, the surface of the flat tail eccentric shaft is sleeved with a cutter handle, and the bottom of the cutter handle is fixedly connected with a bearing sleeve.

Preferably, the top of the knife locking mouth is in threaded connection with a positioning rod, and the positioning rod is cylindrical.

Preferably, the bottom of the left side of the knife locking nozzle is provided with a U-shaped notch, and the surface of the U-shaped notch is provided with an arc surface.

Preferably, the bottom of the knife handle is provided with a circular groove matched with the flat tail eccentric shaft.

Preferably, the center points of the cutter locking mouth, the cutter locking screw, the bearing sleeve, the mounting hole, the bearing and the fixed seat are all located on the same axis.

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

1. the utility model drives the flat tail eccentric shaft to rotate through the knife handle, the flat tail eccentric shaft is provided with the bearing sleeve to eccentrically rotate around the main shaft of the CNC machining center, the U-shaped notch and the cutter are positioned by the main shaft positioning bracket and the positioning rod and can not rotate, the bearing drives the U-shaped notch arranged along the surface of the main shaft positioning bracket to swing up and down, the R angles of the four sides of the rectangular groove are machined by utilizing the external force generated by the vertical swing of the cutter, finally the CNC machining center machines a rectangle, the rectangular hole machining clamp of the CNC machining center has the advantage of machining the rectangular groove, so that the CNC machining center has the capability of machining the rectangular hole, the machining steps are simplified in the actual use process, the production technology is optimized, the production cost of an enterprise is reduced, the problem that the rectangular hole is difficult to machine by most of the existing CNC machining centers in the machining process is solved, other machining equipment is required to complete the machining of the rectangular hole when, therefore, the processing steps of enterprises are complicated, and the production cost of the enterprises is improved.

2. The utility model discloses a setting of locating lever has played and has carried out spacing effect to the lock sword mouth, has played the effect of restraining rotation, through the setting of U-shaped notch, has played the effect to locating lever complex, has made things convenient for the user to place the locating lever to and carry out the effect of direction to the locating lever.

Drawings

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

FIG. 2 is a schematic perspective view of the spindle positioning bracket and the positioning plate of the present invention;

FIG. 3 is a schematic perspective view of the structure of the knife locking mouth and the knife handle of the present invention;

fig. 4 is a schematic view of the present invention showing a partial structure.

In the figure: 1. a main shaft positioning bracket; 2. locking the knife mouth; 3. positioning a plate; 4. a groove; 5. fastening a first bolt; 6. fastening a second bolt; 7. a cutter locking screw; 8. a bearing housing; 9. mounting holes; 10. positioning a rod; 11. a bearing; 12. a fixed seat; 13. a threaded hole; 14. a flat tail eccentric shaft; 15. a knife handle; 16. positioning holes; 17. a U-shaped notch; 18. and (4) a cutter.

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 CNC machining center rectangular hole machining clamp comprises a main shaft positioning support 1 and a cutter locking mouth 2, wherein the top of the cutter locking mouth 2 is in threaded connection with a positioning rod 10, the positioning rod 10 is cylindrical, the cutter locking mouth 2 is limited through the arrangement of the positioning rod 10, the rotation is inhibited, a U-shaped notch 17 is formed in the bottom of the left side of the cutter locking mouth 2, the surface of the U-shaped notch 17 is provided with an arc surface, the positioning rod 10 is matched through the arrangement of the U-shaped notch 17, a user can conveniently place the positioning rod 10 and guide the positioning rod 10, a cutter 18 is fixedly connected to the bottom of the cutter locking mouth 2, a positioning plate 3 is arranged on the right side of the main shaft positioning support 1, a groove 4 is formed in the top of the left side of the main shaft positioning support 1, two fastening bolts one 5 are arranged in an inner cavity of the groove 4 in a penetrating manner, one end of each fastening bolt one 5 penetrates into the positioning plate, one side of locating plate 3 runs through and is provided with fastening bolt two 6, the top of lock sword mouth 2 is provided with lock sword screw 7, the surperficial threaded connection of lock sword screw 7 has bearing housing 8, mounting hole 9 with lock sword screw 7 looks adaptation is seted up to the bottom of bearing housing 8, the inner chamber threaded connection of bearing housing 8 has bearing 11, the top threaded connection on bearing 11 surface has fixing base 12, lock sword mouth 2, lock sword screw 7, bearing housing 8, mounting hole 9, the central point of bearing 11 and fixing base 12 all is located the same axis, screw hole 13 with bearing 11 looks adaptation is seted up to the bottom of fixing base 12, the top of fixing base 12 is provided with tang eccentric shaft 14, the surface cover of tang eccentric shaft 14 is equipped with handle of a knife 15, the circular slot with tang eccentric shaft 14 looks adaptation is seted up to the bottom of handle of a knife 15, the bottom and the bearing housing 8 fixed connection of.

The working principle is as follows: when the utility model is used, a user fixes the main shaft positioning support 1 on a CNC processing center shaft through screws, installs the tool handle 15 on the CNC main shaft, puts the positioning rod 10 on the tool locking nozzle 2 into the U-shaped notch 17 formed on the surface of the main shaft positioning support 1, determines the direction of a rectangular hole to be processed according to the direction of the U-shaped notch 17, starts the CNC processing center, sets parameters, drives the tool handle 15 to rotate through the main shaft of the CNC processing center, the tool handle 15 is a BT40-TMA tool handle, drives the flat tail eccentric shaft 14 to rotate through the tool handle 15, the flat tail eccentric shaft 14 with the bearing sleeve 8 eccentrically rotates around the main shaft of the CNC processing center, the U-shaped notch 17 and the tool 18 are positioned by the main shaft positioning support 1 and the positioning rod 10 and can not rotate, drives the U-shaped notch 17 formed on the surface of the main shaft positioning support 1 to swing up and down through the bearing 11, and utilizes the external, and finally, machining a rectangle by the CNC machining center.

In summary, the following steps: the rectangular hole machining clamp for the CNC machining center drives the flat tail eccentric shaft 14 to rotate through the cutter handle 15, the flat tail eccentric shaft 14 is provided with the bearing sleeve 8 to eccentrically rotate around a main shaft of the CNC machining center, the U-shaped notch 17 and the cutter 18 are positioned by the main shaft positioning support 1 and the positioning rod 10 and cannot rotate, the bearing 11 drives the U-shaped notch 17 formed in the surface of the main shaft positioning support 1 to swing up and down, the R angles of the four sides of the rectangular groove are machined by utilizing external force generated by the vertical swing of the cutter 18, and finally the rectangular hole is machined by the CNC machining center, the rectangular hole machining clamp for the CNC machining center has the advantages of being capable of machining the rectangular groove, so that the CNC machining center has the capability of machining the rectangular hole, the machining steps are simplified in the actual use process, the production technology is optimized, the production cost of enterprises is reduced, and the problem that the rectangular hole is difficult to machine by most, other processing equipment is needed to be introduced to complete the processing of the rectangular hole when the rectangular hole is processed, so that the processing steps of an enterprise are complicated, and the production cost of the enterprise is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 CNC machining center rectangular hole adds clamping apparatus, includes main shaft locating support (1) and lock tool bit (2), its characterized in that: the bottom of the cutter locking nozzle (2) is fixedly connected with a cutter (18), the right side of the main shaft positioning support (1) is provided with a positioning plate (3), the left top of the main shaft positioning support (1) is provided with a groove (4), the inner cavity of the groove (4) is provided with two fastening bolts (5) in a penetrating manner, one end of each fastening bolt (5) penetrates into the positioning plate (3), one side of the positioning plate (3) is provided with a fastening bolt II (6) in a penetrating manner, the top of the cutter locking nozzle (2) is provided with a cutter locking screw (7), the surface of the cutter locking screw (7) is in threaded connection with a bearing sleeve (8), the bottom of the bearing sleeve (8) is provided with a mounting hole (9) matched with the cutter locking screw (7), the inner cavity of the bearing sleeve (8) is in threaded connection with a bearing (11), and the top of the surface of the bearing (11) is in threaded, the tool is characterized in that a threaded hole (13) matched with the bearing (11) is formed in the bottom of the fixing seat (12), a flat tail eccentric shaft (14) is arranged at the top of the fixing seat (12), a tool shank (15) is sleeved on the surface of the flat tail eccentric shaft (14), and the bottom of the tool shank (15) is fixedly connected with the bearing sleeve (8).

2. The CNC machining center rectangular hole machining fixture of claim 1, wherein: the top of the knife locking nozzle (2) is in threaded connection with a positioning rod (10), and the positioning rod (10) is cylindrical.

3. The CNC machining center rectangular hole machining fixture of claim 2, wherein: the bottom of the left side of the knife locking nozzle (2) is provided with a U-shaped notch (17), and the surface of the U-shaped notch (17) is provided with an arc surface.

4. The CNC machining center rectangular hole machining fixture of claim 1, wherein: the bottom of the knife handle (15) is provided with a circular groove matched with the flat tail eccentric shaft (14).

5. The CNC machining center rectangular hole machining fixture of claim 1, wherein: the center points of the cutter locking nozzle (2), the cutter locking screw (7), the bearing sleeve (8), the mounting hole (9), the bearing (11) and the fixing seat (12) are all located on the same axis.