CN217551836U

CN217551836U - Machining center frock

Info

Publication number: CN217551836U
Application number: CN202221392420.5U
Authority: CN
Inventors: 蒋大兵; 黄彬
Original assignee: Shanghai Yujin Environmental Protection Equipment Co ltd
Current assignee: Shanghai Yujin Environmental Protection Equipment Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-10-11
Anticipated expiration: 2032-05-25

Abstract

The utility model relates to a machining center frock relates to machining center's technical field, it including be used for with workstation fixed connection's fixing base, a loading board for bearing the work piece and be used for compressing tightly the work piece and fix the push down subassembly on the loading board, the one end and the fixing base of loading board rotate to be connected, the other end rotates and is connected with the arc rack, the tip of arc rack is worn out from the fixing base, rotate on the fixing base and install the jack catch, the jack catch cooperates with arc rack joint. This application is through setting up the loading board that inclination can adjust on the fixing base to the joint cooperation that utilizes arc rack and jack catch realizes fixed to loading board inclination, and the slope setting of hang plate makes its bearing end face suit with the outer wall of special-shaped workpiece, and it mutually supports with the push down subassembly, improves the stability fixed to special-shaped workpiece, improves the unstable problem of centre gripping of frock to special-shaped workpiece.

Description

Machining center frock

Technical Field

The application relates to the technical field of machining centers, in particular to a machining center tool.

Background

The machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts. The numerical control machining center is one of numerical control machines with the highest yield and the most extensive application in the world. The comprehensive processing capacity is stronger, a workpiece can finish more processing contents after being clamped once, the processing precision is higher, batch workpieces with medium processing difficulty can be processed, a plurality of pieces which cannot be processed by common equipment can be processed, and the method is more suitable for single-piece processing with complex shape and high precision requirement, or medium and small batch multi-variety production. The functions of milling, boring, drilling, tapping, cutting threads and the like are integrated on one device, so that the device has multiple processing procedures. The machining center can be used for carrying out finish machining on parts used in the assembling process of the centrifugal machine.

The positioning tool is generally fixedly mounted on a workbench of the machining center, and the positioning tool clamps, compresses and fixes the machined workpiece in the process of machining the workpiece by the machining center, so that the workpiece is prevented from being displaced in the machining process, and the machining precision of the machining center on the workpiece is improved.

In the related art, the positioning tool is generally a bench vice. The bench vice consists of a fixed seat, a fixed vice body fixedly arranged on the fixed seat, a movable vice body in plug-in fit with the fixed vice body, a lead screw nut fixedly arranged in the fixed vice body and a lead screw arranged in the movable vice body in a penetrating way, wherein the lead screw is in threaded fit with the lead screw nut. In the process of clamping and fixing the workpiece, the screw rod rotates to drive the movable clamp body to move towards the direction close to the fixed clamp body, and the movable clamp body and the fixed clamp body act together to clamp and fix the workpiece.

To the correlation technique among the above-mentioned, the inventor finds that the frock among the correlation technique can only press from both sides tight fixed to the work piece that the structure is fairly neat, and to the dysmorphism work piece that the structural configuration is comparatively complicated, its clamping area with frock clamp is less, and the atress is unstable, breaks away from with the frock very easily, has the unstable problem of frock to the centre gripping of dysmorphism work piece.

SUMMERY OF THE UTILITY MODEL

In order to improve the unstable problem of frock to special-shaped workpiece centre gripping, this application provides a machining center frock.

The application provides a machining center frock adopts following technical scheme:

the utility model provides a machining center frock, including be used for with workstation fixed connection's fixing base for carry on the loading board that bears the weight of the work piece and be used for compressing tightly the work piece and fix push down the subassembly on the loading board, the one end of loading board with the fixing base rotates to be connected, and the other end rotates and is connected with the arc rack, the tip of arc rack is followed the fixing base is worn out, rotate on the fixing base and install the jack catch, the jack catch with the cooperation of arc rack joint.

Through adopting above-mentioned technical scheme, when utilizing this drilling machine frock to press from both sides tight to the work piece, rotate the loading board, adjust the inclination of loading board, make it adapt to with the shape phase-match of special-shaped workpiece, later utilize jack catch and arc rack looks joint, realize fixing loading board inclination, utilize the subassembly to push down to special-shaped workpiece at last, compress tightly it and fix on the loading board. Through set up the loading board that inclination can adjust on the fixing base to utilize the joint cooperation of arc rack and jack catch to realize fixed to loading board inclination, the slope setting of hang plate makes its bearing end face suit with the outer wall of special-shaped workpiece, and it mutually supports with the push down subassembly, improves the stability fixed to special-shaped workpiece, improves the unstable problem of centre gripping of frock to special-shaped workpiece.

Optionally, the number of the bearing plates is set to be a plurality, every two bearing plates are set oppositely, and the arc-shaped racks are arranged at one ends of the two bearing plates, which are deviated from each other.

By adopting the technical scheme, the bearing end face formed by the plurality of bearing plates after adjustment is adaptive to the structure of the special-shaped workpiece by arranging the plurality of bearing plates which are matched with each other to adjust the inclination height, so that the stress stability of the special-shaped workpiece is improved.

Optionally, the pressing assembly includes a pressing bracket fixedly mounted on the fixing base, and a pressing rod mounted on the pressing bracket for pressing and fastening a workpiece.

Through adopting above-mentioned technical scheme, the during operation of pushing down the subassembly, the tip that compresses tightly the pole supports tightly on special-shaped workpiece to it is fixed with the support that pushes down to compress tightly the pole, and it is fixed to push down of special-shaped workpiece with this realization pushing down the subassembly, improves the stability of special-shaped workpiece installation on the fixing base.

Optionally, the number of the pressing rods is set to be multiple.

Through adopting above-mentioned technical scheme, a plurality of compressing rods press special-shaped workpiece from many angles jointly and fix, have improved the subassembly that pushes down and have supported fixed stability to special-shaped workpiece.

Optionally, the end ball of the pressing rod is hinged with a pressing plate, and the pressing plate abuts against the outer wall of the workpiece.

By adopting the technical scheme, the pressing rod acts on the special-shaped workpiece through the pressing plate, the abutting force of the pressing rod on the special-shaped workpiece is dispersed, and the problem that the special-shaped workpiece is damaged by the stress concentration phenomenon at the positions of the pressing rod and the special-shaped workpiece is reduced.

Optionally, a flexible pad is disposed on an end surface of the pressure plate.

Through adopting above-mentioned technical scheme, the rigid contact between flexible pad with clamp plate and work piece changes flexible contact into, reduces the damage of clamp plate to special-shaped workpiece, compares with the clamp plate, and flexible pad has higher coefficient of surface friction, improves the frictional force between its and the special-shaped workpiece, improves its stability fixed to special-shaped workpiece pushing down then.

Optionally, a compression nut is fixedly mounted on the lower pressing support, and the compression nut is in threaded fit with the compression rod.

Through adopting above-mentioned technical scheme, through setting up gland nut, utilize gland nut and compression rod's screw-thread fit, realize the adjustment and the fixed of compression rod on pushing down the support, easy operation is convenient, improves the fixed efficiency of pushing down the support to special-shaped workpiece.

Optionally, a screwing handle is arranged at the end of the pressing rod in a penetrating mode and is convenient for screwing the pressing rod to abut against the workpiece.

Through adopting above-mentioned technical scheme, the handle of screwing has improved the moment of torsion rotatory to compressing tightly the pole, is convenient for rotate compressing tightly the pole, improves the fixed effect of pushing down of push down subassembly to special-shaped workpiece, improves special-shaped workpiece fixed mounting's stability on the fixing base promptly.

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

1. the bearing plate with the adjustable inclination angle is arranged on the fixed seat, the inclination angle of the bearing plate is fixed by utilizing the clamping fit of the arc-shaped rack and the clamping jaw, the bearing end face of the inclined plate is matched with the outer wall of the special-shaped workpiece due to the inclined arrangement of the inclined plate, and the inclined plate is matched with the pressing component, so that the stability of fixing the special-shaped workpiece is improved, and the problem of unstable clamping of the tool on the special-shaped workpiece is solved;

2. by arranging the plurality of bearing plates which are matched with each other to adjust the inclination height, the bearing end face formed by the plurality of adjusted bearing plates is matched with the structure of the special-shaped workpiece, and the stress stability of the special-shaped workpiece is improved;

3. through set up the flexible pad on the clamp plate, the rigid contact between clamp plate and the work piece is changed into the flexible contact with the flexible pad, reduces the damage of clamp plate to special-shaped workpiece, compares with the clamp plate, and the flexible pad has higher coefficient of surface friction, improves the frictional force between its and the special-shaped workpiece, improves its stability fixed to special-shaped workpiece pushes down then.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Description of reference numerals: 1. a fixed seat; 2. a carrier plate; 3. pressing the assembly; 31. pressing the bracket downwards; 32. a hold down bar; 4. an arc-shaped rack; 5. a claw; 6. pressing a plate; 7. a flexible pad; 8. a compression nut; 9. the handle is screwed.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses machining center frock.

Referring to fig. 1, a machining center tool includes a fixing base 1, a bearing plate 2 rotatably installed on the fixing base 1, and a pressing assembly 3 installed on the fixing base 1 through a bolt.

When the fixture is used for clamping and fixing the special-shaped workpiece, the bearing plate 2 is rotated, the rotation angle of the bearing plate 2 is adjusted, then the bearing plate 2 is fixed, then the special-shaped workpiece is placed on the bearing plate 2, and the bearing plate 2 and the fixing seat 1 are matched with each other to support and fix the special-shaped workpiece. And finally, the pressing component 3 is used for acting above the special-shaped workpiece to realize pressing and fixing of the special-shaped workpiece. The slope setting of hang plate makes its bearing end face suit with the outer wall of special-shaped workpiece, and it and special-shaped workpiece mutually support, improve the stability fixed to special-shaped workpiece, improve the unstable problem of frock to special-shaped workpiece's centre gripping.

Fixing base 1 is the flat board that metal material made, has seted up a plurality of mounting holes on it, and the bolt of being convenient for on the one hand wears to establish and on the workstation with frock structure fixed mounting at machining center, and on the other hand is convenient for the bolt and wears to establish the installation that carries out push down subassembly 3.

The loading board 2 is a metal steel plate, and its one end passes through hinge structure and rotates and install on fixing base 1, and the other end passes through hinge structure and rotates installation arc rack 4, and the tip that loading board 2 was kept away from to arc rack 4 wears out from the terminal surface of fixing base 1, and the last articulated structure that rotates of fixing base 1 installs jack catch 5, jack catch 5 and the cooperation of arc rack 4 joint.

When utilizing this drilling machine frock to press from both sides tight to the work piece, rotate loading board 2, adjust the inclination of loading board 2, make it adapt to with the shape phase-match of special-shaped work piece, later utilize jack catch 5 and arc rack 4 looks joint, realize fixing loading board 2 inclination. The slope setting of hang plate makes its bearing end face suit with the outer wall of special-shaped workpiece, improves the stability fixed to special-shaped workpiece, improves the unstable problem of frock to special-shaped workpiece's centre gripping.

The quantity of loading board 2 sets up to a plurality ofly on fixing base 1, and is preferred, and the quantity of loading board 2 sets up to two, and two loading boards 2 set up relatively, and arc rack 4 is in the one end that two loading boards 2 deviate from each other. The plurality of bearing plates 2 are mutually matched to adjust the inclination height, so that the bearing end face formed by the plurality of bearing plates 2 after adjustment is adaptive to the structure of the special-shaped workpiece, and the stress stability of the special-shaped workpiece is improved.

The pressing component 3 comprises a pressing bracket 31 fixedly installed on the fixed seat 1 through bolts and a pressing rod 32 arranged on the pressing bracket 31 in a penetrating mode. The quantity of pushing down support 31 and compressing rod 32 all sets up to two, and two pushing down supports 31 set up relatively, and welded connection has gland nut 8 on the pushing down support 31, and compressing rod 32 and 8 screw-thread fit of gland nut.

The tip that the fixing base 1 was kept away from to compress tightly pole 32 slides and wears to be equipped with the handle 9 of screwing, and the tip ball that compresses tightly pole 32 is close to fixing base 1 articulates there is clamp plate 6, and the bonding is fixed with flexible pad 7 on the terminal surface of clamp plate 6, and in the embodiment of this application, flexible pad 7 is the rubber pad.

The handle 9 of screwing is convenient for the rotation to the compressing rod 32, the pressing plate 6 disperses the supporting force of the compressing rod 32 to the special-shaped workpiece, and the problem that the special-shaped workpiece is damaged by the stress concentration phenomenon at the compressing rod 32 and the special-shaped workpiece is reduced. The flexible pad 7 changes rigid contact between the pressing plate 6 and the workpiece into flexible contact, reduces damage of the pressing plate 6 to the special-shaped workpiece, and compared with the pressing plate 6, the flexible pad 7 has a higher surface friction coefficient, improves friction force between the flexible pad and the special-shaped workpiece, and then improves stability of pressing down and fixing the special-shaped workpiece.

The lower pressing component 3 presses and fastens the special-shaped workpiece at regular time, the pressing rod 32 is rotated by the screwing handle 9, the pressing rod 32 is in threaded fit with the pressing nut 8, the pressing plate 6 which is arranged at the end of the pressing rod is driven to move towards the direction close to the special-shaped workpiece, the flexible pad 7 at the end of the pressing plate 6 is abutted against the special-shaped workpiece, and the pressing and fixing of the special-shaped workpiece are realized.

The implementation principle of the machining center tool in the embodiment of the application is as follows: when the fixture structure is used for fixing the special-shaped workpiece, the included angle between the bearing plate 2 and the fixing seat 1 is adjusted according to the structure of the special-shaped workpiece, and the inclination angle of the bearing plate 2 is fixed by matching the arc-shaped rack 4 with the clamping jaw 5. Then, the special-shaped workpiece is placed on the bearing plate 2, the pressing component 3 is adjusted, the pressing rod 32 is pressed and fixed on the workpiece through the pressing plate 6 at the end part, the special-shaped workpiece is pressed and fixed on the bearing plate 2 through the pressing component 3, and the fixture structure is used for fixing the special-shaped workpiece.

Through set up inclination adjustable loading board 2 on fixing base 1 to utilize arc rack 4 and jack catch 5's joint cooperation to realize 2 inclination's of loading board fixed, the slope setting of hang plate makes its bearing end face suit with the outer wall of special-shaped workpiece, and it mutually supports with push down subassembly 3, fixes special-shaped workpiece, improves the stability fixed to special-shaped workpiece, improves the unstable problem of frock to special-shaped workpiece's centre gripping.

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: equivalent changes in 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 machining center frock, including be used for with workstation fixed connection's fixing base (1), its characterized in that: including being used for carrying on the loading board (2) that bear the weight of the work piece and being used for compressing tightly the work piece to be fixed push down subassembly (3) on loading board (2), the one end of loading board (2) with fixing base (1) rotates to be connected, and the other end rotates and is connected with arc rack (4), the tip of arc rack (4) is followed fixing base (1) is worn out, rotate on fixing base (1) and install jack catch (5), jack catch (5) with arc rack (4) joint cooperation.

2. The machining center tool according to claim 1, wherein: the number of the bearing plates (2) is set to be a plurality of, every two of the bearing plates are arranged oppositely, and the arc-shaped racks (4) are arranged at one ends of the two opposite bearing plates (2) which deviate from each other.

3. The machining center tool according to claim 1, wherein: the pressing component (3) comprises a pressing support (31) fixedly mounted on the fixing seat (1) and a pressing rod (32) mounted on the pressing support (31) and used for pressing and abutting against a workpiece.

4. The machining center tool according to claim 3, wherein: the number of the pressing rods (32) is set to be a plurality.

5. The machining center tool according to claim 3, wherein: the end part ball of the pressing rod (32) is hinged with a pressing plate (6), and the pressing plate (6) is tightly propped against the outer wall of the workpiece.

6. The machining center tool according to claim 5, wherein: and a flexible pad (7) is arranged on the end surface of the pressing plate (6).

7. The machining center tool according to claim 3, wherein: and a compression nut (8) is fixedly mounted on the lower pressing support (31), and the compression nut (8) is in threaded fit with the compression rod (32).

8. The machining center tool according to claim 3, wherein: the end part of the pressing rod (32) is provided with a screwing handle (9) which is convenient for screwing the pressing rod (32) and abuts against a workpiece.