CN222945271U

CN222945271U - Reversible flat grinding clamp for CBN (cubic boron nitride) cutter machining

Info

Publication number: CN222945271U
Application number: CN202422101442.7U
Authority: CN
Inventors: 李健; 袁平; 孙朝锋; 赵娜; 张伟娟; 魏倩; 张一�
Original assignee: Soboka Technology Co ltd
Current assignee: Soboka Technology Co ltd
Priority date: 2024-08-29
Filing date: 2024-08-29
Publication date: 2025-06-06
Anticipated expiration: 2034-08-29

Abstract

The utility model discloses a reversible flat grinding clamp for CBN cutter machining, which comprises a clamp frame, wherein a first turnover plate is arranged at one end of the clamp frame, a second turnover plate is arranged at the other end of the clamp frame, clamping and fixing mechanisms are arranged on the inner side surfaces of the first turnover plate and the second turnover plate, a flat grinding operation machine head is arranged below the clamping and fixing mechanisms, and the flat grinding operation machine head is of a lifting and adjusting structure. According to the utility model, through the turnover plate structure provided with convenient driving control, the clamping fixing mechanisms are arranged on the inner side surfaces of the two turnover plates, so that the CBN cutter can be clamped and locked conveniently and rapidly, and the CBN cutter which is clamped and fixed can be subjected to turnover control adjustment under the driving of the servo motor, so that the CBN cutter can be subjected to multi-angle flat grinding operation by the flat grinding operation mechanism with lifting adjustment at the lower part conveniently, the machining operation precision of the CBN cutter is improved, and the forming quality of the CBN cutter is further improved.

Description

Reversible flat grinding clamp for CBN (cubic boron nitride) cutter machining

Technical Field

The utility model relates to the technical field of CBN cutter machining, in particular to a reversible flat grinding clamp for CBN cutter machining.

Background

The CBN crystal and the diamond crystal are both zinc blende type, the lattice constants are similar, the chemical bond types are the same, so that the CBN has hardness and compressive strength close to those of diamond, and because the CBN is composed of N, B atoms, the CBN has higher thermal stability and chemical inertness than those of diamond, the CBN material is often used as a tool bit of a tool for compact processing, and a clamp is needed when the tool needs to be fixed in the mass production process of the CBN tool.

The utility model discloses a positioning fixture for processing an ultrahigh-hardness CBN (cubic boron nitride) cutter, which comprises a platform, wherein a guide base is fixedly connected to the top of the platform, a sliding fixture is movably connected to the side wall of the guide base, a connecting frame is fixedly connected to the upper side of the sliding fixture, a limiting frame is fixedly connected to the top of the platform, a top frame is movably clamped between the limiting frames, a movable cavity is formed in the top frame, one end of the connecting frame is fixedly connected with a sliding block, a pulley is fixedly installed on the sliding block, a sliding rail is fixedly installed in the movable cavity, the pulley is opposite to the sliding rail and is movably clamped, and an electric telescopic rod is fixedly connected to the upper portion of the top frame.

The prior art cannot carry out quick positioning, clamping and overturning control on the CBN cutter, so that the machining angle of the CBN cutter is limited, and multi-angle flat grinding operation cannot be carried out on the CBN cutter, and therefore a reversible flat grinding clamp for machining the CBN cutter needs to be developed.

Disclosure of utility model

The utility model aims to provide a reversible flat grinding clamp for processing a CBN cutter, which solves the problem that the prior art provided in the background art cannot be used for rapidly positioning, clamping and overturning the CBN cutter, so that the processing angle of the CBN cutter is limited, and multi-angle flat grinding operation cannot be performed on the CBN cutter.

In order to achieve the aim, the technical scheme is that the turnover flat grinding clamp for CBN cutter machining comprises a clamp frame, wherein a first turnover plate is arranged at one end of the clamp frame, a second turnover plate is arranged at the other end of the clamp frame, clamping and fixing mechanisms are arranged on the inner side surfaces of the first turnover plate and the second turnover plate, a flat grinding machine head is arranged below the clamping and fixing mechanisms, and the flat grinding machine head is of a lifting and adjusting structure.

Preferably, the center of the outer surface of the first turnover plate is fixedly connected with a bearing bracket through a first rotating shaft, a bearing piece is arranged in the bearing bracket and used for being fixedly connected with the first rotating shaft, and the bottom of the bearing bracket is fixedly connected with the clamp frame through a screw.

Preferably, the center of the outer surface of the second turnover plate is connected with a driven wheel through a second rotating shaft, a servo motor is installed on the clamp frame, the output end of the servo motor is connected with a driving wheel through the rotating shaft, and the surface of the driving wheel is connected with the driven wheel through a belt.

Preferably, the clamping and fixing mechanism comprises a limiting clamping plate, a clamping and fixing screw rod, an internal threaded pipe, a clamping block and a knob.

Preferably, the knob is installed and fixed on the top surface of the clamping and fixing screw, the clamping block and the installation are fixed on the lower end surface of the clamping and fixing screw, the limiting clamping plate is welded and fixed on the inner side surfaces of the first overturning plate and the second overturning plate, the internal thread pipe is installed and fixed on the limiting clamping plate, and the clamping and fixing screw is tightly screwed and fixed with the internal thread pipe through threads.

Preferably, a non-bar cylinder is arranged on the clamp frame, a lifting sliding sleeve is arranged on the surface of the non-bar cylinder, and a supporting base is arranged at the bottom of the non-bar cylinder.

Preferably, a flat grinding driving motor is arranged in the lifting sliding sleeve, and the output end of the flat grinding driving motor is fixedly connected with a flat grinding operation machine head through a transmission shaft.

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

According to the utility model, through the turnover plate structure provided with convenient driving control, the clamping fixing mechanisms are arranged on the inner side surfaces of the two turnover plates, so that the CBN cutter can be clamped and locked conveniently and rapidly, and the CBN cutter which is clamped and fixed can be subjected to turnover control adjustment under the driving of the servo motor, so that the CBN cutter can be subjected to multi-angle flat grinding operation by the flat grinding operation mechanism with lifting adjustment at the lower part conveniently, the machining operation precision of the CBN cutter is improved, and the forming quality of the CBN cutter is further improved.

Drawings

FIG. 1 is a schematic view of a fixture frame structure of the present utility model;

FIG. 2 is a schematic diagram of the front structure of the fixture frame of the present utility model;

FIG. 3 is a schematic side view of a fixture frame of the present utility model;

Fig. 4 is a schematic structural view of a clamping and fixing mechanism according to the present utility model.

In the figure, 1, a first overturning plate; 2, a first rotating shaft, 3, a bearing bracket, 4, a clamp rack, 5, a non-bar cylinder, 6, a lifting sliding sleeve, 7, a flat grinding operation machine head, 8, a second turnover plate, 9, a second rotating shaft, 10, a driven wheel, 11, a belt, 12, a driving wheel, 13, a servo motor, 14, a transmission shaft, 15, a supporting base, 16, a flat grinding driving motor, 17, a knob, 18, a clamping fixing screw rod, 19, an internal thread pipe, 20, a limiting clamping plate, 21, a clamping block, 22 and a clamping fixing mechanism.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an embodiment of the utility model provides a reversible flat grinding fixture for CBN tool machining, which comprises a fixture frame 4, wherein a first turnover plate 1 is installed at one end of the fixture frame 4, a second turnover plate 8 is installed at the other end of the fixture frame 4, clamping and fixing mechanisms 22 are installed on inner side surfaces of the first turnover plate 1 and the second turnover plate 8, a flat grinding machine head 7 is installed below the clamping and fixing mechanisms 22, and the flat grinding machine head 7 is of a lifting and adjusting structure.

Further, the bearing support 3 is fixedly connected to the center of the outer surface of the first turnover plate 1 through the first rotating shaft 2, a bearing piece is arranged in the bearing support 3 and is fixedly connected with the first rotating shaft 2, the bottom of the bearing support 3 is fixedly connected with the clamp frame 4 through a screw, and under the action of the first rotating shaft 2, the first turnover plate 1 is enabled to flexibly turn and adjust.

Further, the center of the outer surface of the second turnover plate 8 is connected with a driven wheel 10 through a second rotating shaft 9, a servo motor 13 is installed on the clamp frame 4, the output end of the servo motor 13 is connected with a driving wheel 12 through the rotating shaft, the surface of the driving wheel 12 is connected with the driven wheel 10 through a belt 11, and the driving wheel 12 can be driven and controlled to drive the driven wheel 10 to drive under the driving of the servo motor 13, so that the second turnover plate 8 can be turned and controlled to be regulated.

Further, the clamping and fixing mechanism 22 comprises a limiting clamp plate 20, a clamping and fixing screw 18, an internal thread pipe 19, a clamp block 21 and a knob 17, the knob 17 is installed and fixed on the top end surface of the clamping and fixing screw 18, the clamp block 21 and the installation are fixed on the lower end surface of the clamping and fixing screw 18, the limiting clamp plate 20 is welded and fixed on the inner side surfaces of the first overturning plate 1 and the second overturning plate 8, the internal thread pipe 19 is installed and fixed on the limiting clamp plate 20, the clamping and fixing screw 18 is tightly screwed and fixed with the internal thread pipe 19 through threads, the clamping and fixing screw 18 and the internal thread pipe 19 are controlled and adjusted through the knob 17 to be screwed and connected, the clamping and fixing screw 18 is driven to do linear motion in the vertical direction, and accordingly the clamp block 21 is driven to clamp and lock a CBN tool placed between the limiting clamp plates 20 fast, and the advantages of convenient and quick clamping and fixing are achieved.

Further, install the bumper cylinder 5 on the anchor clamps frame 4, the surface mounting of bumper cylinder 5 has lift sliding sleeve 6, support base 15 is installed to the bottom of bumper cylinder 5, the internally mounted of lift sliding sleeve 6 has flat grinding driving motor 16, flat grinding driving motor 16's output passes through transmission shaft 14 fixedly connected with flat grinding operation aircraft nose 7, be used for driving control lift sliding sleeve 6 to go on lifting adjustment through opening the bumper cylinder 5, can adjust the installation height of flat grinding driving motor 16, drive flat grinding operation aircraft nose 7 under the drive of flat grinding driving motor 16 carries out quick rotatory operation, thereby can carry out flat grinding operation to the CBN cutter after the top centre gripping is fixed.

When the clamp is used, the first turnover plate 1 is installed at one end of the clamp frame 4, the second turnover plate 8 is installed at the other end of the clamp frame 4, the clamping fixing mechanisms 22 are installed on the inner side surfaces of the first turnover plate 1 and the second turnover plate 8, the clamping fixing screw 18 is controlled and adjusted by the knob 17 to be in threaded connection with the internal thread pipe 19, the clamping fixing screw 18 is driven to perform linear motion in the vertical direction, the clamp block 21 is driven to perform quick clamping and locking on a CBN cutter placed between the limiting clamp plates 20, the advantage of convenient and quick clamping and fixing is achieved, the driving wheel 12 can be driven to drive the driven wheel 10 to drive under the driving of the servo motor 13, the second turnover plate 8 can be controlled and adjusted, the CBN cutter after the whole clamping and fixing is driven to be turned over, the flat grinding operation machine head 7 is installed below the clamping fixing mechanisms 22, the installation height of the flat grinding driving motor 16 can be adjusted by opening the non-bar cylinder 5 to be used for driving and controlling the lifting and adjusting the lifting sliding sleeve 6, the CBN cutter can be driven to rotate under the driving of the flat grinding driving motor 16, the CBN cutter head 7 can be driven to perform quick rotation, the CBN cutter can be fixed, and the machining precision can be further improved, and the CBN cutter can be processed.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Standard parts used in the document of the application can be purchased from the market, the specific connection modes of the parts are connected by adopting conventional means such as mature bolts, rivets and welding in the prior art, and the machines, the parts and the equipment are of conventional types in the prior art, and the circuit connection adopts the conventional connection modes in the prior art, so that the specific description is not made.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A reversible flat grinding fixture for CBN tool processing, comprising a fixture frame (4), characterized in that a first flip plate (1) is installed at one end of the fixture frame (4), and a second flip plate (8) is installed at the other end of the fixture frame (4), and a clamping and fixing mechanism (22) is installed on the inner surface of the first flip plate (1) and the second flip plate (8), and a flat grinding machine head (7) is installed below the clamping and fixing mechanism (22), and the flat grinding machine head (7) is a liftable and adjustable structure.

2. A reversible flat grinding fixture for CBN tool processing according to claim 1, characterized in that: a bearing bracket (3) is fixedly connected to the center of the outer surface of the first reversible plate (1) through a first rotating shaft (2), a bearing member is installed inside the bearing bracket (3) for connecting and fixing with the first rotating shaft (2), and the bottom of the bearing bracket (3) is fixedly connected to the fixture frame (4) by screws.

3. A reversible flat grinding fixture for CBN tool processing according to claim 1, characterized in that: the center of the outer surface of the second reversible plate (8) is connected to a driven wheel (10) through a second rotating shaft (9), a servo motor (13) is installed on the fixture frame (4), the output end of the servo motor (13) is connected to a driving wheel (12) through a rotating shaft, and the surface of the driving wheel (12) is connected to the driven wheel (10) through a belt (11).

4. A reversible flat grinding fixture for CBN tool processing according to claim 1, characterized in that the clamping and fixing mechanism (22) includes a limiting clamping plate (20), a clamping and fixing screw (18), an internal threaded tube (19), a clamping block (21) and a knob (17).

5. A reversible flat grinding fixture for CBN tool processing according to claim 4, characterized in that: the knob (17) is mounted and fixed on the top end surface of the clamping and fixing screw (18), the clamping block (21) is mounted and fixed on the lower end surface of the clamping and fixing screw (18), the limiting clamping plate (20) is welded and fixed to the inner side surfaces of the first flip plate (1) and the second flip plate (8), the internal threaded tube (19) is mounted and fixed on the limiting clamping plate (20), and the clamping and fixing screw (18) is tightly screwed and fixed to the internal threaded tube (19) through threads.

6. A reversible flat grinding fixture for CBN tool processing according to claim 1, characterized in that a barless cylinder (5) is installed on the fixture frame (4), a lifting sleeve (6) is installed on the surface of the barless cylinder (5), and a supporting base (15) is installed on the bottom of the barless cylinder (5).

7. A reversible flat grinding fixture for CBN tool processing according to claim 6, characterized in that a flat grinding drive motor (16) is installed inside the lifting sleeve (6), and the output end of the flat grinding drive motor (16) is fixedly connected to a flat grinding operation head (7) through a transmission shaft (14).